LCD Repair Tips

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Diamond View LCD Monitor

DV172 / DV172B

(B=Black Cosmetic)

Service Guide

February 2003

Distributed by Mitsubishi Electric Australia Pty. Ltd. A.B.N. 58 001 215 792

348 Victoria Road RYDALMERE NSW 2116 Australia Telephone 1300 605 808

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ii

Copyright

ã 1996 by the Company. All rights reserved. No part of this publication may be

reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or

computer language, in any form or by any means, electronic, mechanical, magnetic, optical,

chemical, manual or otherwise, without the prior written permission of the Company.

Disclaimer

The Company makes no representations or warranties, either expressed or implied, with respect to

the contents hereof and specifically disclaims any warranties, merchantability or fitness for any

particular purpose. Further, the Company reserves the right to reserve this publication and to make

changes from time to time in the contents hereof without obligation of the Company to notify any

person of such revision or changes.

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iii

Diamond View LCD Monitor

DV172 / DV172B

(B = Black Cosmetic’s)

Manual Contents

Section

1. Engineering Specifications

2. Circuit Operation Theory

3. Alignment procedure

4. Trouble Shooting

5. Parts Lists (DV172 & DV172B)

6. Schematic Diagrams

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Engineering Specification

1 Table of Contents

1. INTRODUCTION ...2

2. ELECTRICAL CHARACTERISTICS ...3

2.1 P

OWER SUPPLY

...3

2.2 S

IGNAL INTERFACE

...3

2.3 V

IDEO PERFORMANCE

...5

2.4 S

CAN RANGE

...5

2.5 P

LUG

& P

LAY

DDC2B S

UPPORT

...5

2.6 S

UPPORT

T

IMINGS

...5

3. OPERATIONAL & FUNCTIONAL SPECIFICATION ...6

3.1 V

IDEO PERFORMANCE

...6

3.2 B

RIGHTNESS

A

DJUSTABLE

R

ANGE

...6

3.3 A

COUSTICAL

N

OISE

...6

3.4 A

UDIO PERFORMANCE

...7

4. LCD CHARACTERISTICS ...7

4.1 T

HE

P

HYSICAL DEFINITION

& T

ECHNOLOGY SUMMARY OF

LCD

PANEL

...7

5. USER CONTROLS ...8

5.1 U

SER

’

S HARDWARE CONTROL DEFINITION

: ...8

5.2 OSD

CONTROL FUNCTION DEFINITION

...8

6. MECHANICAL CHARACTERISTICS ...9

6.1 D

IMENSION

...9

6.2 W

EIGHT

...9

6.3 P

LASTIC

...9

6.4 C

ARTON

...9

7. CERTIFICATION ...9

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Engineering Specification

2

1. Introduction

This specification describes DV172, a 17.0” dual interface color TFT LCD monitor with speakers supported. The display supports up to 1280x1024/75Hz resolution & refresh rate and 262144 colors with dithering. The features summary is as below,

Feature items Specifications Remark

Panel supplier & Panel type of supplier AUO M170EN05 TN with Film type

Actual Size Diagonal display 17.0" Panel display size

Actual Resolution display SXGA(1280x1024) Panel display resolution

Viewing Angle (at Contrast Ratio ≧ 10)

+/- 70 degrees Horizontal (typ.) +/- 70 degrees Vertical (typ.) +/- 60 degrees Horizontal (min.)

+/- 60 degrees Vertical (min.) Panel spec

Analog interface with Scaling supported Yes With 15 pin D-sub connector

DVI interface with Scaling supported Yes With 24 pin DVI connector.

Video interface with Scaling supported No N.A.

Max resolution mode supported 1280 x 1024 at 75Hz

Number of Display Colors supported 262144 (with dithering) Panel driver is 6 bit

Contrast Ratio 250:1 (min.), 500:1 (typ.)

Luminance 200 cd/m2 (min.), 260 cd/m2 (typ.) (Default “User” color setting) At R,G,B saturated condition

AC power input Yes 90-264 Volts, 47-63 Hz.

DC power input(with AC power adapter) No N.A.

DPMS supported Yes < 3 watts

LED indicator for power status showed Yes Green/Amber/Non

OSD for control & information supported Yes

Multi-language supported for OSD Yes 6 languages

Buttons control supported Yes

6 buttons including 1 monitor power on/off control button.

Flywheel control supported No N.A.

Scaling function supported Yes Genesis gm5120

Auto adjustment function supported Yes “Auto” key function

DDC function supported(EDID ver. 1.3) Yes DDC2B only

Audio speakers supported Yes

Audio Jack(input connector) supported Yes

Earphone Jack(input connector) supported No N.A.

Microphone function supported No N.A.

Mechanical Tilt base design Yes From 0 to +20 degree

VESA wall mounting design Yes

Mechanical Rotate design No N.A.

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Engineering Specification

3

2. Electrical Characteristics

2.1 Power supply

Item Condition Spec OK N.A Remark

Input Voltage range Universal input full range 90~264VAC /47~63Hz √

Input Current range 90 ~ 264VAC < 2.0 Arms √

Power Consumption Normal “On” operation < 50 Watts √ LED: Green

DPMS DPMS “Off” state < 3 Watts √ LED: Amber

Inrush Current 110 VAC

220 VAC < 30 A (peak) < 60 A (peak) √ Cold-start

Earth Leakage Current 264 VAC/50Hz < 3.5 mA √

Hi-Pot 1. 1500VAC, 1 sec

2. Ground test: 30A, 1sec Without damage < 0.1 ohm √ (on-line (in-lab test) test)

Power Line Transient IEC1000-4-4 1KV

_√

IEC1000-4-5 (Surge) Common: 2KV,

Differential: 1KV

√

CCFL operation range 90 ~ 264VAC 6mA ~ 15mA

_√

Each connector

CCFL Frequency 90 ~ 264VAC 40KHz ~ 80KHz

_√

Power cord Color: White or Black

Length: 1800 +/- 20 mm

√ Depends on shipping requirement (99 level)

2.2 Signal interface

Signal Cable 15 pin D-Sub Color: White or Black

Length: 1600 +/- 20 mm

√

Depends on shipping requirement (99 level)

15 pin D-sub connector See Note-1

_√

For 15 pin D-sub

Pin assignment

24 pin DVI connector See Note-2

_√

For 24 pin DVI

Video input Signal type-1 Separate analog R,G,B signals

_√

_{For 15 pin D-sub}

Level(R,G,B signals) 700 mV (peak to peak)

_√

Impedance(R,G,B signals) 75 Ohms +/- 1.5 Ohms

_√

Signal type-2 TMDS signals

_√

For 24 pin DVI

Single-ended input swing voltage (V-swing)

200mV≤V-swing≤780mV

_√

Impedance(TMDS signals) 100 Ohms +/- 10 Ohms

_√

Sync input Signal type Separate H/V-sync

Composite H/V-sync (Positive/Negative)

√

For 15 pin D-sub

Level Logic High: 2.4V ~ 5.5V

Logic Low: 0V ~ 0.5V (TTL level)

√

Refer to VESA VSIS

Standard V1R1

Impedance Minimum 2.2KΩ(pull down)

_√

10KΩ for application

Sync Pulse Width (SPW) 0.7μs < H-SPW

1H < V-SPW

√

Note-1: The pin assignment of 15 pin D-sub connector:

5 1

10 6

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Engineering Specification

4

Pin Signal Assignment Pin Signal Assignment

1 Red video 9 PC5V (+5 volt power)

2 Green video 10 Sync Ground

3 Blue video 11 Ground

4 Ground 12 SDA

5 Ground 13 H-Sync (or H+V)

6 Red Ground 14 V-sync

7 Green Ground 15 SCL

8 Blue Ground

Note-2: The pin assignment of 24 pins DVI connector: (C1 ~ C5 are NC)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 C1 C2 C3 C4 C5

Pin Signal Assignment Pin Signal Assignment

1 TMDS RX2- 16 Hot Plug Detect

2 TMDS RX2+ 17 TMDS RX0- 3 TMDS Ground 18 TMDS RX0+ 4 Floating 19 TMDS Ground 5 Floating 20 Floating 6 DDC Clock 21 Floating 7 DDC Data 22 TMDS Ground 8 Floating 23 TMDS Clock+ 9 TMDS RX1- 24 TMDS Clock- 10 TMDS RX1+ C1 Floating (NC) 11 TMDS Ground C2 Floating (NC) 12 Floating C3 Floating (NC) 13 Floating C4 Floating (NC) 14 +5V Power C5 Floating (NC) 15 Ground

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Engineering Specification

5

2.3 Video performance

Max. support Pixel rate 135 MHz

_√

Max. Resolution 1280 x 1024

_√

Rise time + Fall time < 3.7 ns

(50% of minimum pixel clock period)

√

1280x1024 @ 75Hz

(max. support timing)

Settling Time after overshoot /undershoot

< 5% final full-scale value

_√

Refer to VESA VSIS

Standard V1R1

Overshoot/Undershoot < 12% of step function

voltage level over the full voltage range

√

Refer to VESA VSIS

Standard V1R1

2.4 Scan range

Horizontal 31 ~ 81KHz

_√

Vertical 56 ~ 75 Hz

_√

Without Frame buffer

2.5 Plug & Play DDC2B Support

DDC channel type DDC2B

_√

EDID Version 1.3

_√

Refer to FP767-MEA

DV172 C212 S/W spec document to see the detailed EDID data definition..

2.6 Support Timings

Input Timing Actual Output

Resolution Horizontal Frequency (KHz) Vertical Frequency (Hz) Dot Clock Frequency (MHz) Actual display Resolution OK N.A Remark 640x350 31.47(P) 70.08(N) 25.17 1280x943

√

DOS 720x400 31.47(N) 70.08(P) 28.32 1280x1024

√

DOS 640x480 31.47(N) 60.00(N) 25.18 1280x1024

√

DOS 640x480 35.00(N) 67.00(N) 30.24 1280x1024

√

Macintosh 640x480 37.86(N) 72.80(N) 31.5 1280x1024

√

VESA 640x480 37.50(N) 75.00(N) 31.5 1280x1024

√

VESA 800x600 37.88(P) 60.32(P) 40.00 1280x1024

√

VESA 800x600 48.08(P) 72.19(P) 50.00 1280x1024

√

VESA 800x600 46.86(P) 75.00(P) 49.50 1280x1024

√

VESA 832X624 49.72(N) 74.55(N) 57.29 1280x1024

√

Macintosh 1024x768 48.36(N) 60.00(N) 65.00 1280x1024

√

VESA 1024x768 56.48(N) 70.10(N) 75.00 1280x1024

√

VESA 1024x768 60.02(P) 75.00(P) 78.75 1280x1024

√

VESA

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Engineering Specification

6

Input Timing Actual Output

Resolution Horizontal Frequency (KHz) Vertical Frequency (Hz) Dot Clock Frequency (MHz) Actual display Resolution OK N.A Remark 1024X768 60.24(N) 74.93(N) 80.00 1280x1024

√

Macintosh 1152x864 67.50(P) 75.00(P) 108.00 1280x1024

√

VESA 1152x870 68.68(N) 75.06(N) 100.00 1280x1024

√

Macintosh 1152x900 61.80(N) 66.00(N) 94.50 1280x1024

√

SUN 66 1152x900 71.81(N) 76.14(N) 108.00 1280x1024

√

SUN 1280x1024 64.00(P) 60.00(P) 108.00 1280x1024

√

VESA 1280x1024 75.83(N) 71.53(N) 128.00 1280x1024

√

IBM1 1280x1024 80.00(P) 75.00(P) 135.00 1280x1024

√

VESA 1280x1024 81.18(N) 76.16(N) 135.09 1280x1024

√

SPARC2

Note-2: “P”, “N” stands for “Positive”, “Negative” polarity of incoming H-sync/V-sync (input timing)

3. Operational & Functional Specification

3.1 Video performance

Resolution Any input resolution modes

which are under 1280x1024

1280 x1024

_√

Contrast ratio _{250:1(min.), 500:1 (typ.)}

_√

Brightness At R,G,B saturated condition

(Default “User” color setting) 200 cd/m2(min.) 260 cd/m2(typ.)

√

Response time Rising + Falling time 16 ms(typ.), 25ms(max.)

_√

Viewing angle At Contrast ratio ≧ 10 R/L: 60 degrees (min.)

70 degrees (typ.)

√

At Contrast ratio ≧ 10 U/D: 60 degrees (min.)

70 degrees (typ.)

√

CIE coordinate of White (0.31, 0.33) +/- (0.03, 0.03)

_√

Display colors 262144 color with dithering

_√

18 bits with

dithering

3.2 Brightness Adjustable Range

Brightness adjustable range At Max. Contrast level &

Full-white color pattern (Max. brightness value – Min. brightness value) ≧ 40 cd/㎡

√

3.3 Acoustical Noise

Acoustical Noise At 1 meter distance

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Engineering Specification

7

3.4 Audio performance

Preamp + Power amp

(1)Output power 1 Wrms/CH @ 1KHz

_√

Real output

(2)THD (@ 1W) <10%

_√

(3)S/N ratio 40dB

_√

Speaker Driver

(1)Nominal impedance 8 ohm

_√

(2)Maximum input power 2W/CH

_√

(3)Frequency response 12KHz

_√

(4)Mean sound pressure level 83 ± 3 dB

_√

(5)Size 28x 40 mm

_√

Audio Control

(1)Volume range 0 ~100 levels

_√

(2)Mute On/Off

_√

4. LCD Characteristics

4.1 The Physical definition & Technology summary of LCD panel

Item Condition Spec OK N.A Remark

LCD Supplier AUO

_√

Panel type of Supplier M170EN05

_√

Screen Diagonal 432mm(17.0”)

_√

Display area Unit=mm 337.920(H) x 270.336(V)

_√

Physical Size Unit=mm 358.5(W) x 296.5(H) x 19.0(V)

_√

Weight Unit=gram 1900 (typ.)

_√

Technology TN with Film

_√

Pixel pitch Unit=mm 0.264 x 0.264

_√

Per one triad

Pixel arrangement R,G,B vertical stripe

_√

Display mode Normally white

_√

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Engineering Specification

8

5. User Controls

5.1 User’s hardware control definition:

Monitor Power button

_√

Enter button

_√

▲/Inc. button

_√

▼/Dec. button

_√

Exit button

_√

Auto button

_√

Mute button

_√

Input source select button

_√

5.2 OSD control function definition

Contrast

_√

See Table 3

Brightness

_√

Horizontal Position

_√

Vertical Position

_√

Pixel Clock

_√

Phase

_√

Color Temperature C1: 9300 C2: 6500 C3: 5800

User: Separate R,G,B adjustment

√

OSD Position OSD Horizontal position

OSD Vertical position

√

Language 6 languages

_√

OSD Time From 5 sec to 60 sec

_√

Volume

_√

Hot key for Contrast

_√

Hot key for Brightness

_√

Hot key for Volume

_√

Auto adjustment Auto-Geometry/Color

_√

Information For input timing

_√

Mute

_√

Input Source select

_√

Recall

_√

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Engineering Specification

9

6. Mechanical Characteristics

6.1 Dimension

Bezel opening 340x272.4 mm

_√

Refer to Table 6

Monitor without Stand L x W x H mm 382.7x118x402.85 mm

_√

Monitor with Stand L x W x H mm 382.7x200x404.3 mm

_√

Carton Box (outside) L x W x H mm 495x450x158 mm

_√

Tilt and Swivel range Tilt : 0/20 degree

Swivel:0 degrees

√

6.2 Weight

Monitor (Net) 4.7Kg

_√

Monitor with packing (Gross) 6.5Kg

_√

6.3 Plastic

Flammability 94HB

_√

Heat deflection To ABS _{65 ℃}

_√

UV stability ABS Delta E < 8.0

_√

MPR2/TCO

Resin MPR2 : ABS

(VW55/VE0856/D350)

√

Texture MT-11030

_√

Color Pearl White

_√

6.4 Carton

Color Kraft

_√

Material B Flute

_√

Compression strength 530 KGF

_√

Burst Strength 16 KGF/cm2

_√

Stacked quantity 13 Layers

_√

7. Certification

Environment Green design API Doc. 715-C49

_√

ISO14000

Requirement

Blue Angel German Standard

_√

E-2000 Switzerland

_√

EPA USA Standard

_√

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Engineering Specification

10

TCO92/95

_√

TCO99

_√

PC-Monitor Microsoft Windows PC98/99

_√

DPMS VESA

_√

DDC 2B Version 1.3

_√

USB External

_√

Safety UL (USA) UL 1950 3rd edition

_√

CSA (Canada) C22.2 No. 950-M95

_√

FIMKO EN60950

_√

IEC950

_√

EN60950

_√

73/23/EEC

_√

CB

_√

TUV/GS EN60950

_√

CCIB (China)

_√

EIAJ/JEIDA (Japan)

_√

NOM (Mexico)

_√

JEON (Korea)

_√

EZU

_√

PSB

_√

EMC CE Mark 89/336/EEC

_√

FCC (USA) Class B

_√

EN55022 Class B

_√

CISPR 22 Class B

_√

VCCI (Japan) Class B

_√

BSMI (Taiwan)

_√

C-Tick (Australia) AS3548

_√

RRL (Korean)

_√

X- Ray Requirement DHHS (21 CFR) USA X- Ray Standard

_√

DNHW

_√

PTB German X- Ray standard

_√

MPRII

_√

MPRIII

_√

Ergonomics ZH1/618 German ergonomic

_√

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Engineering Specification

11

Appendix: Physical Dimension Front View and Side view

3 8 2 . 7 3 4 0 . 0 2 5 0 3 5 7 . 5 7 8 . 5 2 0 0 2 7 2 . 4

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Circuit Operation Theory

1

I. Introduction:

DV172 model is a 17” SXGA (1280x1024) 18 bits color TFT LCD monitor with multi-media function. The features of DV172 are as below,

(a)Dual signal input supported for a 15pins D-sub and a DVI-D input connectors.

(b)It’s compliant with VESA DPMS spec to offer a smart power management and power saving function. (c)OSD menu supported for users to control the adjustable items and get some information about this monitor. (d)”Auto” button function supported to offer users an easy method to set all adjustable & controlled items well

by just pressing one button, “Auto”. (e)VESA DDC2B function supported. (f)Audio function supported with 2 speakers.

II. Block diagram

DV172 consists of a head and a stand (base). The head consists of a LCD module with 4 lamps, a power board (include AC-DC, inverter power & audio circuit), a control board and an interface board. The block diagram is shown as below.

Inverter + AC-DC board +

Audio circuit

TFT-LCD module with 4 CCFL(backlight)

Control board AC input EEPROM Flash ROM Scaler (Genesis gm5120) Interface board To backlight D-sub connector Analog RGB signals AC socket Power sequence circuit Scaler Power ADC DDC IC Audio IN Speaker Speaker LVDS xtmr DVI-D connector TMDS rcvr DDC IC DVI-D(TMDS) signals

III. Circuit operation theory for electrical circuits in HEAD of DV172:

A.) Interface board diagram:

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Circuit Operation Theory

2 Interface Board A/D TMDS MCU Scaling OSD To LCD module EE P R O M FLA S H - ROM Gm5120 DD C DD C RX0 RX1 RX2 RXC Red Green Blue Vsync Hsync (H+V) SCL SDA DSCL DSDA

(a) Circuit operation theory: (The scaling IC used in DV172 is Genesis gm5120)

A basic operation theory for this interface board in Analog input signals processing, the scaling IC inside A/D converter will convert analog input signals of Red, Green and Blue to 8 bits digital signals of Red, Green and Blue, and for interface board in DVI-D(TMDS) digital input signals processing, the scaling IC inside TMDS receiver will convert TMDS signals to 8 bits digital signals of Red, Green and Blue. Then no matter input signals Analog or DVI-D(TMDS) format are, they have been converted to 8 bits digital Red, Green and Blue signals, and the scaling IC inside MCU and scaling control circuit will start to do timing signal detecting and calculating to output the proper LCD panel signals to LCD panel circuit.

The timing signal detecting function in the scaling IC is to detect whether input H-sync, V-sync or digital pixel clock signals’ status have been changed by host PC system, then it will do short-time picture blanking, signal processing and converting again if input signals have been changed.

The scaling IC inside OSD circuit will be programmed to an OSD menu which can be showed on the screen to offer adjustable functions to end-users to control and adjust some picture settings by themselves.

After the scaling IC internal signal processing is done, it will output the digital RGB data, the H-sync, V-sync, pixel clock and DE(data enable) signal to LVDS transmitter and then to LCD panel driver circuit.

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Circuit Operation Theory

3

data, we also call it, DDC IC, and another is to store OSD common data and those picture controlled and data.

Flash-Rom is to store the source code which will be accessed by the scaling IC inside MCU to run program.

(b) IC introduction:

1.) DDC (Display Data Channel) function: We use DDC IC to support DDC/2B function. DDC data is stored in 24C02(EEPROM). Those data related to LCD monitor specification. PC can read them by “SDA” and “SCL”(“DSDA” & “DSCL” for DVI-D input port) serial communication for I 2C communication for DDC2B.

2.) Gm5120 IC: There are A/DC, TMDS receiver, Scaling, OSD, MCU in the gm5120 IC. Scaling IC is revolutionary scaling engine, capable of expanding any source resolution to a highly uniform and sharp image or down scaling from UXGA, combined with the critically proven integrated 8 bit triple-ADC and patented Rapid-lock digital clock recovery system. It also support detect mode and DPMS control. MCU control unit, it controls all the functions of this interface board, just like the OSD display setting, the adjustable items, adjusted data storage, the external IIC communication, support DDC2B.

3.) EEPROM: All the adjustable data and user settings are stored in EEPROM (24C16).

4.) FLASH ROM: To store source code which will be accessed by Scaling IC inside MCU to run program.

B.) Power board diagram:

EMI Filter Rectifier and filter

Isolation power transformer

Rectifier and filter Audio Amp and Pre-Amp

PWM controller Switching element

Feedback Isolation

Inverter circuit Rectifier and filter

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Circuit Operation Theory

4

(a) EMI Filter

This circuit (fig. 2) is designed to inhibit electrical and magnetic interference for meeting FCC, VDE, VCCI standard requirements.

Fig. 2 (b) Rectifier and filter

AC Voltage (90-264V) is rectified and filtered by BD601, C605 (See Fig 3) and the DC Output voltage is 1.4*(AC input). (See Fig.3)

Fig. 3 (c) Switching element and Isolation power transformer

When the Q601 turns on, energy is stored in the transformer. During Q601 turn-off period, the stored energy is delivered to the secondary of transformer. R607, C607 and D601 is a snubber circuit. R615 is current sense resistor to control output power. (See Fig.4)

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Circuit Operation Theory

5

Fig. 4

(d) Rectifier and filter

D701 and C703 are to produce DC output. L701 and C704 are to suppress high Frequency switching spikes. (See Fig.5)

Fig. 5

(e) PWM Controller

The current mode control IC UC3842B is used to control PWM. When the VCC terminal of it gets 16V, IC601 turns on. +5V will be set up at Pin8 through soft start circuit, which includes R617, C611, D606 and D605. R616 and C610 generate a fixed frequency saw-tooth wave at Pin4.

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Circuit Operation Theory

6

Fig. 6

(f) Feedback circuit

PC123 is a photo-coupler and TL431 is a shunt regulation. They are used to detect the output voltage change and be the primary and secondary isolation. When output voltage changes, the feedback voltage will be compared and duty cycle will be decided to control the correct output voltage. (See Fig.7)

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Circuit Operation Theory

7 (g) Audio circuit: DC POWER INPUT POWER IC TDA7496 AUDIO INPUT Connect with 8 ohm/2W Speaker Connect with PC Audio output

The Audio circuit is in Power board. The Audio Speaker has DC Volume control, use 28mmX40mm Speaker (2W per channel), power supply from AC-DC board and Audio input from PC Audio output (Line Out).

1.)Power IC: Use ST POWER IC TDA7496.The IC are stereo Class AB output amplifiers with DC

Volume control. The devices are designed for use in TV and monitor, but are also suitable for battery-Fed portable recorders and radios. Use +15V from AC-DC Board and connect speaker to offer 1W per channel.

2.)DC Power Input: To supply +15V to be VCC source Voltage for TDA7496 and built-in AC-DC board. 3.)Audio Input: connect with PC Audio output in 3.5mm to 3.5mm signal line.

4.)Speaker: Use 8 ohm and 28mmX40mm speaker (2W/per channel) 5.)DC Volume Control: The voltage range is 1 – 5 V (From MC)

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DV172 LCD Monitor Service Guide

Circuit Operation Theory

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Circuit Operation Theory

9 (h) Inverter circuit: 1.) Block Diagram: 2.) General Specification Input Voltage: 15V Input Current: 2A max. ON/OFF Voltage: 3.3V PWM Duty: 3.3V/47KHz

Output Requirement:

Max. Output Current: 15mA Min. Output Current: 6mA Lamp Working Voltage: 600Vrms Open Lamp Voltage: 1800Vrms Frequency: 55KHz 15Vin ON/OFF switching OSCILATOR CIRCUIT TRANSFORMER CCFL PWM CONTROLLER TL1451 CIRCUIT PROTECTION AND DETECT ON/OFF BRT_ADJ

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Circuit Operation Theory

10

3.)Circuit Operation Theorem

3.1) ON/OFF SWITCH

The turn-on voltage was controlled by R756 and R757.The inverter was turned on or off by the switching transistors Q761 and Q757, Also regulator IC751 is control by Q761 and Q757 decide supply 15V to inverter part or instead.

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Circuit Operation Theory

11

3.2) PWM Control circuit

TL1451 is a dual PWM controller.C765 and R765 decide the working frequency.BLT_ADJ signal is from control board, control pulse width then decide how much energy delivery to CCFL also decide CCFL brightness. Q741 and Q742 be the buffer to rise the drive capability and the totem poles circuit can improve a capable of driving for Q743.C770 decide the striking time delay.

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Circuit Operation Theory

12

3.3) Oscillator Circuit

Royer circuit uses the characteristic of transformer saturation to oscillate. When the DC power inject, Q759 or Q760 will turns on, and the current Ic increases. After a period, the transistor will leave the saturation status and Vce increase. The result causes the voltage of primary coil get lower. Finally the transistor turn off, and another transistor turn on. These statuses are repeated and the pin7 and pin8 of T751 will get a Sin Wave to turn on CCFL.

C.) Control board introduction:

The main parts of the control board are a push button, and a led.

(a) Push button: It’s a simple switch function, pressing it for “ON” to do the auto adjustment

function, releasing it for “OFF” to do nothing.

(b) Led: It indicates the DPMS status of this LCD monitor; green light means DPMS on (Normal

operating condition). Amber light means DPMS off (Power off condition).

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Alignment procedure

1

Table of Contents

1. Alignment procedure (for function adjustment)...2 A. Preparation: ...2 B. Timing adjustment: (Analog only, it’s no need for DVI-D input source) ...2 C. Auto color balance adjustment: (Analog only, it’s no need for DVI-D input source) ...2 D. Color adjustment: (Analog only)...2 E. Writing EDID file: (Analog and DVI-D both) ...3 F. Command definition for Auto Alignment:...3 2. Wire Dressing...4 3. Add Glue ...7 4.Touch Up...8

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Alignment procedure

2

1. Alignment procedure (for function adjustment)

The list of necessary alignment for a LCD monitor:

Items Description Remark

1 Timing adjustment Preset timing 2 Auto color balance adjustment SVGA2 60Hz 3 Color temperature adjustment C1, C2 & C3 4 Writing EDID file Analog and Digital

A. Preparation:

1. Setup input timing to any preset modes, any patterns.

2. Enter factory mode (press “EXIT” & “ENTER” at the same time, then press “power” button to turn on monitor). 3. Move blue cursor into “BURN IN MODE” tag and select “YES” to enable burn-in mode.

4. Power off the monitor, then power on again. 5. Setup unit and keep it warm up at least 30 minutes.

B. Timing adjustment: (Analog only, it’s no need for DVI-D input source)

1. Enter factory mode (press “EXIT” & “Enter” at the same time, then press “power” button to turn on monitor). 2. Select timing from figure-1. The timing marked with star sign (*) have to be adjusted with Analog signals from

Chroma video pattern generator..

3. Press AUTO key to run “AUTO adjustment” function. 4. Clear user area in EEPROM.

5. Check the phase of the image; if phase is not perfect adjust it to the best condition. 6. Adjust the settings to following values:

CONTRAST = 55 BRIGHTNESS = 90 OSD TIME = 20 VOLUME = 20 COLOR = USER

7. Press “EXIT” key until the “SAVE” shows on the OSD to save factory parameters and turn off the monitor power. 8. Turn on the power enter user mode.

C. Auto color balance adjustment: (Analog only, it’s no need for DVI-D input source)

1. Setup input timing SVGA2 (800x600@60Hz), pattern 1(crosshatch pattern with white color frame) with Analog signals from Chroma video pattern generator.

2. Enter factory mode (press “EXIT” & “Enter” at the same time, then press “power” button to turn on monitor). 3. Move blue cursor into “BURN IN MODE” tag and select “YES” to enable burn-in mode.

4. Set color pointer to USER mode

5. Press “ ▼ ” button to do white balance for auto color balance adjustment.

D. Color adjustment: (Analog only)

1. Setup input timing to any preset modes, pattern 41(full white color pattern) with Analog signals from Chroma video pattern generator.

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Alignment procedure

3

2. Enter factory mode (press “EXIT” & “ENTER” at the same time, then press “power” button to turn on monitor). 3. Confirm auto color balance adjustment had already been done.

4. Measure each color temperature (C1, C2 & C3) by Minolta CA-110 (or equivalent equipment).

5. Two methods can be used to adjust RED, GREEN, BLUE value of each color temperature, C1, C2 & C3 to meet

following spec requirement, the 1st method is by using external PC and IIC alignment protocol to do automatic

adjustment, and the 2nd method is by manually and must be in factory mode.

X+- 0.283+(-) 0.03

Color temperature

(C1, 9300K set on OSD) Y+- 0.297+(-) 0.03

X+- 0.313+(-) 0.03

Color temperature

(C2, 6500K set on OSD) Y+- 0.329+(-) 0.03

X+- 0.326+(-) 0.03

Color temperature

(C3, 5800K set on OSD) Y+- 0.342+(-) 0.03

6. Turns off the monitor power.

E. Writing EDID file: (Analog and DVI-D both)

1. Setup a PC with DDC card.

2. Connect PC to monitor with a D-sub signal cable. 3. Please refer to the C212 for the correct EDID file.

4. Runs the writing program to write the EDID file into EEPROM for analog input. 5. Read both EEPROM data and confirm if it’s matched with the C212 definition.

6. Repeat the above step 1 to step 5 with DVI-D signal cable connected.

F. Command definition for Auto Alignment:

1. PC Host will send 0x7C IIC slave address and then following 4 bytes command

I2C Send Command Byte1 Byte2 Byte3 Byte4

Change Color Temperature to C1 CC 1 XX checksum

Change C/T to User CC 4 XX checksum

User mode to factory mode 1A 5A XX checksum

Auto Color (Offset1, Offset2, Gain) 1B 5A XX checksum

Factory mode to User mode 1E 5A XX checksum

Clear user area data 1F 5A XX checksum

Off burn in mode CE 2 XX checksum

Change language setting 66 0~5 XX checksum

Note A: Byte4(Checksum) = Byte1 + Byte2 + Byte3 Note B: Data = The value write to MCU

Note C: XX = don't care, any value(<=0xFF).

Note D: The Byte-2 definition of “Change Language Setting” is as below, 0=DE, 1=EN, 2=ES, 3=FR, 4=IT, 5=JA

2. When PC Host sends 0x7D command to MCU, MCU must return as following (2 bytes)

Return Code R-Byte1 R-Byte2

Checksum error code FC AA

Normal return code the above Byte3 (/data) FC

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Alignment procedure

4

3. The Table is for alignment machine to read data from EEPROM to check if the alignment process and write data are

correct.

I2C Send Command Byte1 Byte2 Byte3 Byte4

Read EEPROM Contrast A3 92 XX checksum

Read EEPROM Brightness A3 93 XX checksum

Read EEPROM C/T Point A3 94 XX checksum

Read EEPROM OSD-Hpos A3 95 XX checksum

Read EEPROM OSD-Vpos A3 96 XX checksum

Read EEPROM Language A3 97 XX checksum

Read EEPROM OSD Timer A3 98 XX checksum

Read EEPROM Volume A3 99 XX Checksum

Figure-1: Preset Timing modes list

Resolution Horizontal Frequency (KHz) Vertical Frequency (Hz) Dot Clock Frequency (MHz) Remark Actual display resolution 640x350 31.47(P) 70.08(N) 25.17 DOS 1280x943 720x400 31.47(N) 70.08(P) 28.32 DOS 640x480 31.47(N) 60.00(N) 25.18 DOS 640x480 35.00(N) 67.00(N) 30.24 Macintosh 640x480 37.86(N) 72.80(N) 31.5 VESA 640x480 37.50(N) 75.00(N) 31.5 VESA 800x600 37.88(P) 60.32(P) 40.00 VESA 800x600 48.08(P) 72.19(P) 50.00 VESA 800x600 46.86(P) 75.00(P) 49.50 VESA 832X624 49.72(N) 74.55(N) 57.29 Macintosh 1024x768 48.36(N) 60.00(N) 65.00 VESA 1024x768 56.48(N) 70.10(N) 75.00 VESA 1024x768 60.02(P) 75.00(P) 78.75 VESA 1024X768 60.24(N) 74.93(N) 80.00 Macintosh 1152x864 67.50(P) 75.00(P) 108.00 VESA 1152x870 68.68(N) 75.06(N) 100.00 Macintosh 1152x900 61.80(N) 66.00(N) 94.50 SUN 66 1152x900 71.81(N) 76.14(N) 108.00 SUN 1280x1024 64.00(P) 60.00(P) 108.00 VESA 1280x1024 75.83(N) 71.53(N) 128.00 IBM1 1280x1024 80.00(P) 75.00(P) 135.00 VESA 1280x1024 81.18(N) 76.16(N) 135.09 SPARC2 Full screen 1280x1024

2. Wire Dressing

A point for attention is marked in yellow circle and wire allocation are shown as below: a.) Internal structure of LCD monitor

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Alignment procedure

5

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Alignment procedure

6

c.) LVDS wire

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Alignment procedure

7

e.) Control wire

3. Add Glue

The below attached figure shows the location of added glue component.

a.)The location of add glue component have L602, L603, C605, C603, C604, C615, C703, C704, and C707.

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Alignment procedure

8

4.Touch Up

Remark: The manufacturing site should base on their experience and pass the necessary testing to add or reduce some touchup points.

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Trouble Shooting

1

1. No Display or display is unstable:

1.1 Interface Board:

Y N N Y N Y N Y N Y N Y N

Y

2. BUTTON function:

No picture or picture unstable

Power off? _{Turn On Power}

Check Panel or replace it Does Cable plug in connector?

Plug all wire then turn on power again

Is power stable? Check J5 connector or

power BD

Is LED light green? Check control BD

Check (U3) DDC data of digital input

Check crystal (Y1) CKT or replace it Does crystal work

correctly?

Check 7414 related circuit or replace it Does 7414 (U2) work

well?

Cables used in DV172: (1) Internal:

(a)LVDS wire to panel:J6 & J7 (b)Wire to control BD: J4

(2) External: Signal cable: J1 and J2

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Trouble Shooting

2

2.1 Control Board

OSD is not working

Yes

Is control BD connecting? No Plug control BD then retry

Yes

Is bottom switch normally? Yes Replace control BD then retry

No Replace Control BD Is OSD working?? No Check Interface BD

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Trouble Shooting

3

3. OSD function:

OSD doesn’t work

Is control BD working? No Replace control BD

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Trouble Shooting

4

4.Power Board

Backlight didn't shine

LED shined?

3.3V existed? IS I/F board connected? IC751 PIN 9 IS 15V? Replace Q761 PWM existed? (BLT_ADJ) Plug CN701 again or checking I/F BD

Turn on level existed? (BLT_ON)

Insert them again Check CN752, CN753_{was pluged properly?} Plug CN701 again or

checking I/F BD

Replace IC751,Q751

Replace new fuse Replace new fuse

Check IC701 OK?

Checking F601 Broke? Check IC601 Vcc existed? Replace IC602, IC702,D701 or check I/F BD Replace IC701

Replace new fuse

Replace IC601,Q602,Q603 R602 Y N N N N Y Y Y Y N Y Y _N N Y Y Y N N N

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1

Model: DV172

No. PART NO. DESCRIPTION LOCATION 1 55.L5301.021 PCBA I/F BD MAXDATA

2 09.10612.01B CAPACITOR EL 10U 25V M RF2.5 C69 C72 C79 C85

3 09.22612.01B CAP EL 22U 25V M RF2.5 C14 C17 C23 C28 C33 C40 C41 3 09.22612.01B CAP EL 22U 25V M RF2.5 C88 C90 C97 C99

4 09.47612.01V CAP EL 47U 25V M RT2.5 C83 5 20.22003.024 CONN RECE DVI-A 24+6P RT MOLE J2 6 20.24012.A15 CONN D FML 3R15P RT BLU S WO/ J1 7 20.60089.108 HEAD BLK 1R 8P D2 3S H6 J7 8 20.60091.109 HEAD BLK 1R9P RT D2 3S H4.8 J4 9 20.72060.207 HEAD FML 2R14P D2.54 H8.4 J5 10 45.10101.071 LABEL(B)SERIAL ART 12*5 ALL

11 47.L5305.001 GASKET 6X10X2T

12 55.L5301.M21 PCBA I/F BD MAXDATA M/I

13 71.05120.00E IC LCD CTRL GM5120 PQFP 208P U4 14 71.06383.00I IC LVDS 24B THC63LVDM83A TSSO IC1 IC2 15 72.02402.C01 IC EEPROM AT24C02N-10SI-1.8SO U1 U3 16 72.02416.N01 IC EEPROM AT24C16N-10SI-1.8SO U7 17 73.07414.061 IC CMOS 74LVC14A SO-N 14P U2 18 74.01206.07C IC LDO IRU1206-25CY SOT-223 3 U5 19 74.06300.C3B IC RESET V6300C LO-2.8V SOT23 U9 20 72.39010.V33 IC FLASH SST39VF010-70 PLCC32 U6 21 55.L5302.021 PCBA SPS BD FR-1

22 04.01451.070 IC PWM CTRL TL1451ACN DIP 16P IC751 23 04.03842.044 IC VR UC3842BN DIP 8P IC601 24 04.07496.010 IC AMP TDA7496 SIP 15P IC501 25 05.00123.010 IC OPTO PC123F1 DIP 4P IC602

26 06.05707.010 XTOR SW 2SC5707 NPN TP 3P Q740 Q760 Q739 Q759 27 06.09024.020 FET MOS IRFU9024 PC TO-251AA Q743 Q751

28 06.2R060.151 DIODE BRI 2KBP06ML-530 600V 2 BD601 29 06.3R006.110 DIODE S.B. SB360 60V 3A DO-20 D751 D761 30 08.2703M.34D CAP DISC 27P3KV J SL 125 RF7. C736 C737 C756 C757 31 08.33216.354 CAP DISC Y1 3300P 250V RF10 D C603 C604 32 08.47216.354 CAP DISC Y1 4700P 250V RF10 D C615 33 09.1071M.L84 CAP EL 100U 450V M 105 25*25S C605

34 09.10813.L9C CAP EL 1000U35V RF5 L 13*25EL C703 C707 C704 35 09.1081D.09C CAP EL1000U16V RF5 105C 10*20 C508 C710 36 11.2241N.11E CAP X 0.22U U/V/FI 275V RF15 C602 37 13.10135.07E RES MOFM 100 2W J AF15 MINI R625 38 13.3R335.07E RES MOFM 3.3 J 2W AF15 MINI R513 39 13.68335.07E RES MOFM 68K J 2W AF15 MINI R607 R602 40 13.R2235.07E RES MOFM 0.22 J 2W AF15 MINI R615 41 17.60021.8R0 THERM 8 NTC 11.5D TR601 42 19.20267.001 XFORM PWR 450UH EI-30 T601

43 19.26038.001 XFORM INVERT 9.5UH EE19 T752 T754 T753 T751 44 19.40091.011 CHOKE 180UH T68-26 L602 L603

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2

46 19.40179.001 CHOKE 71UH DR10*8 L752 L751 47 19.42008.011 LINE FILTER 30MH EE25 L601 48 20.60091.104 HEAD BLK 1R4P RT D2 3S H4.8 CN502

49 20.63174.104 HEAD ML 1R4P(-1#3) RT D4 4S H CN753 CN752 50 21.62052.207 HEAD ML 2R14P L RT D2.54 L10. CN701

51 22.10165.081 SKT EARJACK RT7P/PT284C BLU JK503 52 25.70029.001 BEAD 3T D6*10 Z580/100M L606 L607 53 26.12001.932 FUSE2A250V CERA ST20 T/LA RF2 F601 54 55.L5302.A21 PCBA SPS BD FR-1

55 60.L4606.001 ASSY HSK+UGF10DCT D701 D7021 56 60.L5308.011 ASSY AC SKT+WIRE+CORE E171FPB CN601 57 60.L5309.001 ASSY HSK+G960T IC701 58 55.L5303.031 PCBA CTRL BD FR-1

59 06.066GY.14X LED D5*8.3 GRN/YEL KTL-66GY-1 LD8601

60 22.40069.431 SW TACT 4.75MM RT TSVR-2 SW8601 SW8602 SW8603 SW8604 SW8605 SW8606

61 45.00091.021 LABEL ART 25*4.5 ALL 62 48.L5303.A00 PCB CTRL BD FR-1 63 50.L5301.011 WIRE 9/10P 1007#26 280MM NO-C CN8601 64 23.4L530.001 SPK*2 8 OHM 2W 470/150MM FP75 65 31.L5308.001 SPG-G SUS301 0.1T 66 33.L5306.001 BKT PNL SECC0.8T 67 34.L3703.001 SPG SUS301 0.1T 68 34.L5302.002 SHD SPTE0.4T

69 38.04121.001 TAPE 15*0.05MM KAPTON YEL 70 40.L3303.171 LBL SPEC LR DIAMOND 71 42.L5321.001 WIRE HLD ABS 002 I

72 42.L5325.001 WIRE-CLIP NYLON66 94V0 E171FP 73 42.L5326.001 MYLAR PET 35X20X0.4T E171FPB 74 47.L5306.001 AL TAPE 35X45 0.08T

75 47.L5307.001 AL TAPE 70X45 0.08T

76 50.L5302.001 WIRE 20+8/30P 1571 #28 120MM 77 56.91L53.001 LCDM 17" M170EN05/AUO 78 60.L5307.013 ASSY UC ABS 002 DVI 79 60.L5310.002 ASSY COLUMN ABSHB 002 B 80 60.L5316.001 ASSY BZL ABS HB 002 MEA 81 60.L5320.001 ASSY BASE W/PACK MEA

82 27.81318.011 CORD SAA #18*3C 10A 250V AUS 83 42.20019.002 BAG PE 250*350 LD

84 42.L0811.002 PE-HD BAG 600*650*0.05T 24LNG 85 44.L4001.131 CTN B DIAMOND(DV172)

86 45.00050.002 LABEL CTN ART 105*82 ALL(KB) 87 46.L0301.001 CARD WARR TFT LCD 88 47.L5301.002 CSN L EPS 89 47.L5302.002 CSN R EPS 90 49.L5303.001 INSTRUCTION MANUAL DV172 91 50.74405.201 CABLE AUDIO 284C/577C 002 140 92 50.L2308.201 SIGNAL/C 15/15P W/C 002/

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1

Model: DV172B

(B = Black Cosmetic’s)

NO. PART NO. DESCRIPTION LOCATION

=== ============ ============================== ===================================== 1 55.L5301.021 PCBA I/F BD MAXDATA

2 09.10612.01B CAPACITOR EL 10U 25V M RF2.5 C69 C72 C79 C85

3 09.22612.01B CAP EL 22U 25V M RF2.5 C14 C17 C23 C28 C33 C40 C41 3 09.22612.01B CAP EL 22U 25V M RF2.5 C88 C90 C97 C99

4 09.47612.01V CAP EL 47U 25V M RT2.5 C83 5 20.22003.024 CONN RECE DVI-A 24+6P RT MOLE J2 6 20.24012.A15 CONN D FML 3R15P RT BLU S WO/ J1 7 20.60089.108 HEAD BLK 1R 8P D2 3S H6 J7 8 20.60091.109 HEAD BLK 1R9P RT D2 3S H4.8 J4 9 20.72060.207 HEAD FML 2R14P D2.54 H8.4 J5 10 45.10101.071 LABEL(B)SERIAL ART 12*5 ALL

11 47.L5305.001 GASKET 6X10X2T

12 55.L5301.M21 PCBA I/F BD MAXDATA M/I

13 71.05120.00E IC LCD CTRL GM5120 PQFP 208P U4 14 71.06383.00I IC LVDS 24B THC63LVDM83A TSSO IC1 IC2 15 72.02402.C01 IC EEPROM AT24C02N-10SI-1.8SO U1 U3 16 72.02416.N01 IC EEPROM AT24C16N-10SI-1.8SO U7 17 73.07414.061 IC CMOS 74LVC14A SO-N 14P U2 18 74.01206.07C IC LDO IRU1206-25CY SOT-223 3 U5 19 74.06300.C3B IC RESET V6300C LO-2.8V SOT23 U9 20 72.39010.V33 IC FLASH SST39VF010-70 PLCC32 U6 21 55.L5302.021 PCBA SPS BD FR-1

22 04.01451.070 IC PWM CTRL TL1451ACN DIP 16P IC751 23 04.03842.044 IC VR UC3842BN DIP 8P IC601 24 04.07496.010 IC AMP TDA7496 SIP 15P IC501 25 05.00123.010 IC OPTO PC123F1 DIP 4P IC602

26 06.05707.010 XTOR SW 2SC5707 NPN TP 3P Q740 Q760 Q739 Q759 27 06.09024.020 FET MOS IRFU9024 PC TO-251AA Q743 Q751

28 06.2R060.151 DIODE BRI 2KBP06ML-530 600V 2 BD601 29 06.3R006.110 DIODE S.B. SB360 60V 3A DO-20 D751 D761 30 08.2703M.34D CAP DISC 27P3KV J SL 125 RF7. C736 C737 C756 C757 31 08.33216.354 CAP DISC Y1 3300P 250V RF10 D C603 C604 32 08.47216.354 CAP DISC Y1 4700P 250V RF10 D C615 33 09.1071M.L84 CAP EL 100U 450V M 105 25*25S C605

34 09.10813.L9C CAP EL 1000U35V RF5 L 13*25EL C703 C707 C704 35 09.1081D.09C CAP EL1000U16V RF5 105C 10*20 C508 C710 36 11.2241N.11E CAP X 0.22U U/V/FI 275V RF15 C602 37 13.10135.07E RES MOFM 100 2W J AF15 MINI R625 38 13.3R335.07E RES MOFM 3.3 J 2W AF15 MINI R513 39 13.68335.07E RES MOFM 68K J 2W AF15 MINI R607 R602 40 13.R2235.07E RES MOFM 0.22 J 2W AF15 MINI R615 41 17.60021.8R0 THERM 8 NTC 11.5D TR601 42 19.20267.001 XFORM PWR 450UH EI-30 T601

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2

44 19.40091.011 CHOKE 180UH T68-26 L602 L603 45 19.40155.001 CHOK 2.7UH DR6*10 L701 L702 46 19.40179.001 CHOKE 71UH DR10*8 L752 L751 47 19.42008.011 LINE FILTER 30MH EE25 L601 48 20.60091.104 HEAD BLK 1R4P RT D2 3S H4.8 CN502

49 20.63174.104 HEAD ML 1R4P(-1#3) RT D4 4S H CN753 CN752 50 21.62052.207 HEAD ML 2R14P L RT D2.54 L10. CN701

51 22.10165.081 SKT EARJACK RT7P/PT284C BLU JK503 52 25.70029.001 BEAD 3T D6*10 Z580/100M L606 L607 53 26.12001.932 FUSE2A250V CERA ST20 T/LA RF2 F601 54 55.L5302.A21 PCBA SPS BD FR-1

55 60.L4605.001 ASSY HSK+STP7NC70ZFP Q601

56 60.L4606.001 ASSY HSK+UGF10DCT D701 D7021 57 60.L5308.011 ASSY AC SKT+WIRE+CORE E171FPB CN601 58 60.L5309.001 ASSY HSK+G960T IC701 59 55.L5303.031 PCBA CTRL BD FR-1

60 06.066GY.14X LED D5*8.3 GRN/YEL KTL-66GY-1 LD8601

61 22.40069.431 SW TACT 4.75MM RT TSVR-2 SW8601 SW8602 SW8603 SW8604 SW8605 SW8606 62 45.00091.021 LABEL ART 25*4.5 ALL

63 48.L5303.A00 PCB CTRL BD FR-1 64 50.L5301.011 WIRE 9/10P 1007#26 280MM NO-C CN8601 65 23.4L530.001 SPK*2 8 OHM 2W 470/150MM FP75 66 31.L5308.001 SPG-G SUS301 0.1T 67 33.L5306.001 BKT PNL SECC0.8T AU(DVI 68 34.L3703.001 SPG SUS301 0.1T 69 34.L5302.002 SHD SPTE0.4T AUO

70 38.04121.001 TAPE 15*0.05MM KAPTON YEL 71 40.L3303.171 LBL SPEC LR DIAMOND 72 42.L5321.001 WIRE HLD ABS 002

73 42.L5325.001 WIRE-CLIP NYLON66 94V0 E171FP 74 42.L5326.001 MYLAR PET 35X20X0.4T E171FPB 75 47.L5306.001 AL TAPE 35X45 0.08T

76 47.L5307.001 AL TAPE 70X45 0.08T

77 50.L5302.001 WIRE 20+8/30P 1571 #28 120MM 78 56.91L53.001 LCDM 17" M170EN05/AUO 79 60.L5307.023 ASSY UC ABSHB P861 M-DV 80 60.L5310.032 ASSY COLUMN ABSHB P861 81 60.L5316.011 ASSY BZL ABSHB P861 MEA 82 60.L5320.011 ASSY BASE W/P P861 MEA

83 27.01318.081 CORD 3ASL10A250V1800MMAUS W/S 84 42.20019.002 BAG PE 250*350 LD

85 42.L0811.002 PE-HD BAG 600*650*0.05T 24LNG 86 44.L4001.131 CTN B DIAMOND(DV172)

87 45.00050.002 LABEL CTN ART 105*82 ALL(KB) 88 45.75801.021 LBL BLACK 100*50 DIAMOND 89 46.L0301.001 CARD WARR TFT LCD

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3 91 47.L5302.002 CSN R EPS

92 49.L5303.001 INSTRUCTION MANUAL DV172 93 50.74405.201 CABLE AUDIO 284C/577C 002 140 94 50.L2308.501 SIGNAL/C 15/15P W/C BLK

95 50.L2508.501 SIGNAL/C DUAL DVI-D/DVI-D 200 96 53.L5304.001 F DISK MEA DV172

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5 4 3 2 1 D D C C B B A A +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +5V +5V +3.3V +3.3V +3.3V +3.3V ER7 ER5 EG0 EG1 EG2 EG6 EG7 EG3 EG4 EG5 EB0 EB6 EB7 EB1 EB2 EB3 EB4 EB5 DHS_TTL DVS_TTL DEN_TTL DCLK_TTL ER6 ER0 ER1 ER2 ER3 ER4 E0-E0+ E1-E1+ E2-E2+ ECLK-ECLK+ E3-E3+ O3+ OR3 O0-DHS_TTL OG2 OB0 DVS_TTL OG0 OR6 OG5 OR4 O1+ O3- OCLK-OB2 OG7 OR0 OB6 O2-DEN_TTL OB5 OG6 OR1 OR5 O2+ OB7 OR2 OG1 OB1 DCLK_TTL OG3 OB4 OCLK+ O0+ OB3 O1-OR7 OG4 LVDS_EN LCD_PW E3+ O0-O0+ O1-O1+ O2-O2+ OCLK-OCLK+ O3-O3+ E3-ECLK+ ECLK-E2+ E2-E1+ E1-E0+ E0-LCD_PW LCD_ON Interface Board DV172

Dimand View Monitor "L" Falling edge trigger

"H" Rising edge trigger

C96 0.1U 16V K J6 20D0017210 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 L7 BEAD L13 BEAD +C85 10U 16V 1 2 L11 BEAD C95 0.1U 16V K C91 0.1U 16V K +C88 22U 16V 1 2 +C99 22U 16V 1 2 C84 0.1U 16V K R61 100K C98 0.1U 16V K C87 0.1U 16V K T.L. IC1 THC63LVDM83A VCC 1 TXIN5 2 TXIN6 3 TXIN7 4 GND 5 TXIN8 6 TXIN9 7 TXIN10 8 VCC 9 TXIN11 10 TXIN12 11 TXIN13 12 GND 13 TXIN14 14 TXIN15 15 TXIN16 16 VCC 17 TXIN17 18 TXIN18 19 TXIN19 20 GND 21 TXIN20 22 TXIN21 23 TXIN22 24 TXIN23 25 VCC 26 TXIN24 27 TXIN25 28 TXIN4 56 TXIN3 55 TXIN2 54 GND 53 TXIN1 52 TXIN0 51 TXIN27 50 LVDS GND 49 TXOUT0- 48 TXOUT0+ 47 TXOUT1- 46 TXOUT1+ 45 LVDS VCC 44 LVDS GND 43 TXOUT2- 42 TXOUT2+ 41 TXCLK OUT- 40 TXCLK OUT+ 39 TXOUT3- 38 TXOUT3+ 37 LVDS GND 36 PLL GND 35 PLL VCC 34 PLL GND 33 PWR DWM 32 TXCLK IN 31 TXIN26 30 GND 29 C94 0.1U 16V K + C83 47U 16V 1 2 C86 0.1U 16V K R66 OPEN L8 BEAD R62 20K L14 BEAD +C90 22U 16V 1 2 C100 0.1U 16V K T.L. U8 GF4435 S 1 S 2 S 3 G 4 D 8 D 7 D 6 D 5 C82 0.1U 16V K R67 10K R65 10K +C97 22U 16V 1 2 L12 BEAD T.L. IC2 THC63LVDM83A VCC 1 TXIN5 2 TXIN6 3 TXIN7 4 GND 5 TXIN8 6 TXIN9 7 TXIN10 8 VCC 9 TXIN11 10 TXIN12 11 TXIN13 12 GND 13 TXIN14 14 TXIN15 15 TXIN16 16 VCC 17 TXIN17 18 TXIN18 19 TXIN19 20 GND 21 TXIN20 22 TXIN21 23 TXIN22 24 TXIN23 25 VCC 26 TXIN24 27 TXIN25 28 TXIN4 56 TXIN3 55 TXIN2 54 GND 53 TXIN1 52 TXIN0 51 TXIN27 50 LVDS GND 49 TXOUT0- 48 TXOUT0+ 47 TXOUT1- 46 TXOUT1+ 45 LVDS VCC 44 LVDS GND 43 TXOUT2- 42 TXOUT2+ 41 TXCLK OUT- 40 TXCLK OUT+ 39 TXOUT3- 38 TXOUT3+ 37 LVDS GND 36 PLL GND 35 PLL VCC 34 PLL GND 33 PWR DWM 32 TXCLK IN 31 TXIN26 30 GND 29 C89 0.1U 16V K J7 2060089108 1 2 3 4 5 6 7 8 R64 OPEN Q1 2N3904 1 3 2 R63 10K

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5 4 3 2 1 D D C C B B A A +3.3V +5V +3.3V +2.5V LED_GRN KEY_ENTER KEY_LEFT LED_ORG KEY_RIGHT KEY_EXIT KEY_AUTO SOFT_SW LCD_ON BL_ON BRT_ADJ VOLUME VOL_ON/OFF

Interface Board

DV172

Dimand View Monitor

PWM output first, it must be "H" when no work.

OPEN OPEN L22 C75 0.1U 50V Z C64 100P 50V J R57 1K + C79 10U 16V 1 2 U5 IRU1206-25CY IN 1 GND 2 OUT 3 R54 100 U2E 74LVC14A 11 10 14 7 C73 0.1U 50V Z C63 100P 50V J J5 20.72060.207 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C81 0.1U 50V Z L23 R55 1K L20 C70 0.1U K C62 100P 50V J C67 0.1U 16V K C76 0.1U 50V Z R60 1K C61 100P 50V J +C72 10U 16V 1 2 R58 1K L19 C68 0.1U 16V K +C69 10U 16V 1 2 C66 100P 50V J L24 C71 0.1U K L21 R56 1K J4 2060091109 1 2 3 4 5 6 7 8 9 C74 0.1U 50V Z L15 L18 R23 0 C65 100P 50V J U2F 74LVC14A 13 12 14 7 C77 0.1U 50V Z C78 0.1U 50V Z R59 1K R53 200

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5 4 3 2 1 D D C C B B A A FLASH_WE RMA DDR[0..15] RMDATA[0 ..7] RMADDR5 RMDATA0 RMADDR7 RMADDR11 RMADDR9 RMADDR10 TXD RMADDR11 RMDATA7 RMADDR14 RMDATA7 RMDATA2 SDA SDA RMADDR5 RMADDR10 RMDATA6 RMADDR2 RMDATA5 RMADDR12 BANK RMADDR1 RMADDR8 RMADDR1 RMADDR2 RMADDR8 RMDATA1 SCL RMDATA1 RMDATA3 RMADDR3 RMADDR14 RMDATA3 RMDATA0 RMADDR6 RMADDR15 RMADDR13 ROM_OEn RMADDR6 RMADDR7 RXD RMDATA2 RMADDR12 RMDATA6 RMDATA4 RMADDR3 RMDATA4 RMADDR4 RMADDR9 RMADDR13 RMADDR15 RMADDR8 SCL RMDATA5 RMADDR14 BANK RMADDR9 RMADDR0 RMADDR0 RMADDR4 FLASH_WE 3.3V_DDDS 3.3V_SDDS 3.3V_RDDS 3.3V_RGB 3.3V_DVI 2.5V_RXPL TXD RXD D EN D CLK TCLK XTAL 3.3V_DVI D HS DVS Res et +3.3V +2.5V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +2.5V +2.5V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V GREEN-P.2 BLUE+ P.2 BLUE-P.2 VS P.2 HS P.2 RED+ P.2 RED-P.2 GREEN+ P.2 BRT_ADJ BL_ON DSUB_SCL DSUB_SDA LED_ORG LED_GRN VOL_ON/OFF SOFT_SW KEY_ENTER KEY_AUTO KEY_LEFT KEY_RIGHT VOLUME DCLK_TTL DEN_TTL DVS_TTL OB7 OB6 OB5 OB4 OB3 OB2 OB1 OB0 OG7 OG6 OG5 OG4 OG3 OG2 OG1 OG0 OR7 OR6 OR5 OR4 OR3 OR2 OR1 OR0 EB7 EB6 EB5 EB4 EB3 EB2 EB1 EB0 EG7 EG6 EG5 EG4 EG3 EG2 EG1 EG0 ER7 ER6 ER5 ER4 ER3 ER2 ER1 ER0 LVDS_EN KEY_EXIT LCD_ON RXCP P.2 RXCM P.2 RX2P P.2 RX2M P.2 RX1P P.2 RX1M P.2 RX0M P.2 RX0P P.2 DHS_TTL Cable-Detect Interface Board DV172

Dimand View Monitor

ROM_ADDR9

Available for reading from a status register 1

ROM_ADDR7 If using 6-wire host protocol, program this bit to 1

OCM_START

GPIO(22:16) is on "Host Port" pins x

HOST_PORT_EN

1 = All 48K of ROM is in external ROM 0

Reserved

HOST_PROTOCOL

x ROM_ADDR8

0 = XTAL and TCLK pins are connected 1

DESCRIPTION

x ROM_ADDR6

1

Available for reading from a status register NAME

x

0

ADDRESS SET

USER_BITS(4:0)

Determines polarity of HCLK signal

OCM_ROM_CFG(1)

If using 6-wire host protocol, program this bit to 0

USER_BITS(7:5) ROM_ADDR14 R e set Circuit BOOTSTRAP SIGNALS SCLPOL ROM_ADDR13

FLASH/ Prom-Jet Socket

ROM_ADDR(4:0)

32-Pin PLCC Socket

ROM_ADDR(12:10) ROM_ADDR5

OSC_SEL

1 = OCM becomes active after OCM_CLK is stable Close to respective power Pins Close to respective power Pins

RS232 OPEN OPEN OPEN R e set Circuit OPEN OPEN C49 0.1U 16V K +C14 22U 16V 1 2 C50 0.1U 16V K Q2 2N3906 3 2 1 C21 47P OPEN C58 0.1U 16V K C16 0.1U 16V K R69 51K + C28 22U 16V 1 2 C34 0.1U 16V K C55 0.1U 16V K R24 2.7K R50 10K C18 0.1U 16V K C N1 22P OPEN 8 1 7 2 6 3 5 4 RN10 100 1 2 3 4 8 7 6 5 J3 CON_3P_S 1 2 3 R46 10K R34 10K R99 4.7K + C41 22U 16V 1 2 CN5 22P OPEN 8 1 7 2 6 3 5 4 CN12 22P OPEN 8 1 7 2 6 3 5 4 R N7 100 1 2 3 4 8 7 6 5 R21 0 R33 0 C57 0.1U 16V K C N2 22P OPEN 8 1 7 2 6 3 5 4 CN10 22P OPEN 8 1 7 2 6 3 5 4 RN3 100 1 2 3 4 8 7 6 5 R40 10K +C33 22U 16V 1 2 R70 10K C51 0.1U 16V K C54 0.1U 16V K L1 BEAD R44 10K C N8 22P OPEN 8 1 7 2 6 3 5 4 R36 1KF C25 0.1U 16V K C15 0.1U 16V K C36 4.7P J C31 0.1U 16V K R35 10K RN4 100 1 2 3 4 8 7 6 5 C20 0.1U 16V K L2 BEAD C53 0.1U 16V K R47 10K C39 0.1U 16V K C26 0.1U 16V K C30 0.1U 16V K Int_Test U4 GM5120 710212000E RED+ 171 RED-170 GREEN+ 167 GREEN-166 BLUE+ 163 BLUE-162 RX2+ 179 RX2-180 RX1+ 185 RX1-186 RX0+ 191 RX0-192 XTAL 151 TCLK 152 GPIO0/PWM0 40 GPIO1/PWM1 41 GPIO2/PWM2 42 GPIO3/TIMER1 43 GPIO4/UART_D1 44 GPIO5/UART_D0 45 GPIO6/EXTCLKGPIO7 46 47 GPIO10/TCON_ROE3 49 GPIO11 50 GPIO12 51 GPIO13 52 DCLK/TCON_OCLK 118 DEN/TCON_ECLK 115 DVS/TCON_FSYNC 117 DHS/TCON_LP 116 RXC-195 RXC+ 194 REXT 174 TCON_OPOL 120 TCON_OINV 121 TCON_ESP 122 TCON_EPOL 123 TCON_EINV 124 TCON_RSP2 125 TCON_RSP3 126 TCON_RCLK 127 TCON_ROE 128 GPIO20/HDATA3 206 GPIO19/HDATA2 207 GPIO18/HDATA1 208 GPIO17/HDATA0 1 GPIO16/HFS 205 GPIO22/HCLK 204 RESETn 5 GPIO21/IRQn 4 DDC_SCL 6 DDC_SDA 7 GPIO9/TCON_ROE2 48 GPIO8/IRQINn 39 CLKOUT 201 ROM_ADDR0 25 ROM_ADDR1 24 ROM_ADDR2 23 ROM_ADDR3 22 ROM_ADDR4 19 ROM_ADDR5 18 ROM_ADDR6 17 ROM_ADDR7 16 ROM_ADDR8 15 ROM_ADDR15 8 ROM_DATA0 35 ROM_DATA1 34 ROM_DATA2 33 ROM_DATA3 32 ROM_DATA4 31 ROM_DATA5 30 ROM_DATA6 29 ROM_DATA7 28 ROM_ADDR14 9 ROM_ADDR13 10 ROM_ADDR9 14 ROM_ADDR11 12 ROM_ADDR10 13 ROM_ADDR12 11 ROM_OEn 36 VDD1_ADC_2.5 155 VDD2_ADC_2.5 153 AGND_GREEN 165 AGND_RED 169 AGND_BLUE 161 AGND_ADC 158 SGND_ADC 157 AGND_RX2 178 RVDD 2 RVDD 20 RVDD 53 RVDD 67 RVDD 81 RVDD 97 RVDD 111 RVDD 129 CVDD 26 CVDD 88 CVDD 134 CVDD 203 VDD_RX2_2.5 176 PPWR 113 PBIAS 114 AGND_IMB 175 VDD_RX1_2.5 182 AGND_RX1 184 VDD_RX0_2.5 188 AGND_RX0 190 AGND_RXC 197 AGND_RXPLL 198 VDD_RXPLL_2.5 199 AVDD_RPLL 150 AVSS_RPLL 149 VDD_DPLL_3.3 148 AVDD_SDDS 146 VDD_SDDS_3.3 144 AVDD_DDDS 141 VDD_DDDS_3.3 139 AVSS_SDDS 145 AVSS_DDDS 140 HSYNC 137 VSYNC 136 RVSS 3 RVSS 21 RVSS 38 RVSS 54 RVSS 68 RVSS 82 RVSS 98 RVSS 112 RVSS 130 CVSS 89 CVSS 133 CVSS 202 CVSS 135 GND1_ADC 156 GND2_ADC 154 GND_RX2 177 GND_RX1 183 GND_RX0 189 VSS_DPLL 147 VSS_SDDS 143 VSS_DDDS 138 N/C 200 ADC_TEST 159 PD6/ER6 61 PD7/ER7 62 PD10/EG2 65 PD11/EG3 66 PD12/EG4 69 PD13/EG5 70 PD14/EG6 71 PD15/EG7 72 PD33/OG1 94 PD32/OG0 93 PD18/EB2 75 PD19/EB3 76 PD20/EB4 77 PD21/EB5 78 PD22/EB6 79 PD23/EB7 80 PD17/EB1 74 PD16/EB0 73 PD26/OR2 85 PD27/OR3 86 PD28/OR4 87 PD29/OR5 90 PD30/OR6 91 PD31/OR7 92 PD25/OR1 84 PD24/OR0 83 PD34/OG2 95 PD35/OG3 96 PD36/OG4 99 PD37/OG5 100 PD38/OG6 101 PD39/OG7 102 PD9/EG1 64 PD8/EG0 63 PD42/OB2 105 PD43/OB3 106 PD44/OB4 107 PD45/OB5 108 PD46/OB6 109 PD47/OB7 110 PD41/OB1 104 PD40/OB0 103 TCON_OSP 119 CVSS 27 Reserved 131 N/C 142 Reserved 132 AVDD_IMB 173 AVDD_RX2 181 AVDD_RX1 187 AVDD_RX0 193 AVDD_RXC 196 AVDD_BLUE 164 AVDD_GREEN 168 AVDD_RED 172 AVDD_ADC 160 PD5/ER5 60 PD4/ER4 59 PD3/ER3 58 PD2/ER2 57 PD1/ER1 56 PD0/ER0 55 RVDD 37 C60 0.1U 16V K R27 10K R52 10K C101 1U 10V Z R N1 100 1 2 3 4 8 7 6 5 U7 AT24C16 16K NC 1 NC 2 NC 3 GND 4 SDA 5 SCL 6 WP 7 VCC 8 RN11 100 1 2 3 4 8 7 6 5 C52 0.1U 16V K C38 0.1U 16V K RN8 100 1 2 3 4 8 7 6 5 C37 0.1U 16V K R25 10K C35 4.7P J R51 10K R68 10K RN13 100 1 2 3 4 8 7 6 5 R29 100K R48 10K + C23 22U 16V 1 2 C29 0.1U 16V K R42 10K C N3 22P OPEN 8 1 7 2 6 3 5 4 L6 BEAD R38 10K U9 V6300L OPEN NC 1 VSS 2 NC 3 VDD 5 RES 4 R N9 100 1 2 3 4 8 7 6 5 R41 10K Y1 14.318MHZ R39 10K C27 0.1U 16V K C N6 22P OPEN 8 1 7 2 6 3 5 4 CN11 22P OPEN 8 1 7 2 6 3 5 4 R N5 100 1 2 3 4 8 7 6 5 L4 BEAD R22 1KF RN12 100 1 2 3 4 8 7 6 5 R N2 100 1 2 3 4 8 7 6 5 L3 BEAD R31 3KF C N4 22P OPEN 8 1 7 2 6 3 5 4 C N9 22P OPEN 8 1 7 2 6 3 5 4 + C40 22U 16V 1 2 C N7 22P OPEN 8 1 7 2 6 3 5 4 R37 10K U6 SST 39VF010 A15 3 A14 29 A13 28 A12 4 A11 25 A10 23 A9 26 A8 27 A7 5 A6 6 A5 7 A4 8 A3 9 A2 10 A1 11 A0 12 DQ7 21 DQ6 20 DQ5 19 DQ4 18 DQ3 17 DQ2 15 DQ1 14 DQ0 13 OE 24 WE 31 VCC 32 NC 1 GND 16 A16 2 NC/A17 30 CE 22 C32 0.1U 16V K C59 0.1U 16V K + C17 22U 16V 1 2 C19 0.1U 16V K R43 10K R49 10K R28 10K D9 1N4148 1 2 R32 0 R45 10K C42 0.1U 16V K RN6 100 1 2 3 4 8 7 6 5 C43 0.1U 16V K L5 BEAD C22 47P OPEN C44 0.1U 16V K C56 0.1U 16V K C45 0.1U 16V K C46 0.1U 16V K C47 0.1U 16V K R26 10K C48 0.1U 16V K C24 0.1U 16V K

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5 4 3 2 1 D D C C B B A A G- R-R+ G+ B-B+ PC5V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V DSUB_SDA DSUB_SCL RED-RED+ GREEN- BLUE-BLUE+ HS VS GREEN+ RX2-RX2+ RX1-RX1+ RX0-RX0+ RXC+ RXC-DVISCL DVISDA RX0-RX0+ RX1-RX1+ RX2-RX2+ RXC-RXC+ RX0M RX0P RX1M RX1P RX2M RX2P RXCM RXCP DVIPC5V DVIPC5V DVISCL DVISDA Cable-Detect Interface Board DV172

Dimand View Monitor

OPEN OPEN R8 56 R20 10K R15 100 U2A 74LVC14A 1 2 14 7 DN100 BAV99 1 3 2 J2 DVI 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 C3 27 C1 25 C5_ 30 C5 29 C4 28 C2 26 31 31 32 32 DN13 BAV99 1 3 2 R13 22 U2B 74LVC14A 3 4 14 7 DN8 BAV99 1 3 2 D5 TZMC5V1 1 2 C10 0.1U 16V K D6 TZMC5V1 1 2 C1 0.1U 16V K C7 0.01U50V K D3 TZMC5V1 1 2 R12 56 DN6 BAV70LT1 2 3 1 DN1 BAV99 1 3 2 DN11 BAV99 1 3 2 C2 0.01U50V K R18 4.7K C4 0.01U50V K J1 D-Sub15 1 7 2 8 3 9 4 10 5 11 12 13 14 15 6 16 17 D8 TZMC5V1 1 2 R17 10K C9 47P 50V J R14 100 D2 TZMC5V1 1 2 R5 2.7K R1 75 C11 47P 50V J DN5 BAV99 1 3 2 DN9 BAV99 1 3 2 U2C 74LVC14A 5 6 14 7 C13 0.1U 16V K R19 4.7K DN4 BAV70LT1 2 3 1 U1 AT24C02A A0 1 A1 2 A2 3 VSS 4 VCC 8 WP 7 SCL 6 SDA 5 R3 75 R7 22 C5 0.01U50V K U2D 74LVC14A 9 8 14 7 DN12 BAV99 1 3 2 DN7 BAV99 1 3 2 C12 47P 50V J DN2 BAV99 1 3 2 R4 56 R9 47 C8 47P 50V J U3 AT24C02A A0 1 A1 2 A2 3 VSS 4 VCC 8 WP 7 SCL 6 SDA 5 R10 22 D4 TZMC5V1 1 2 R2 75 DN10 BAV99 1 3 2 D1 TZMC5V1 1 2 R6 2.7K C6 0.01U50V K R11 47 D7 TZMC5V1 1 2 C3 0.01U50V K R16 10K DN3 BAV99 1 3 2

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5 4 3 2 1 D D C C B B A A Interface Board DV172

Dimand View Monitor

Optical Points Screw Holes H4 HOLE-V8 1 2 3 4 5 6 7 8 9 OP OP4 OP OP14 OP OP7 H2 HOLE-V8 1 2 3 4 5 6 7 8 9 H1 HOLE-V8 1 2 3 4 5 6 7 8 9 OP OP2 OP OP10 OP OP12 OP OP13 OP OP1 OP OP5 OP OP3 OP OP8 OP OP9 H3 HOLE-V8 1 2 3 4 5 6 7 8 9 OP OP11 OP OP6