GT-S7390/2 Service Manual

(1)

8-1

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

(2)

8-2. PCB Diagrams

8-2-1. Top

(3)

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-3

(4)

8-3. LOGIC

8-3-1. Power On

Power switch on

NG

Connect the jig box. Check the current consum

ption >= 100mA?

Download

NO

Check the voltage and Resolder

U401

check

the initial operation

END

Resolder or Replace UCP300

Resolder OSC400

Check the PMIC

related to PS_HOLD

Change the battery

Yes

NO

C443(CSR_1V2)=1.2V? C419(SDSR2_1V2)=1.2V? C417(IOSR1_1V8)=1.8V? R418(SDSR1_1V2)=1.2V? C424(MMSR_1V2)=1.2V?

Yes

NO

Check the clock at

OSC400 = 32KHz ?

NO

Check the GPIO_2

5 of UCP300 PS_

HOLD pin is 2.6V?

NO

Check the battery

voltage

>= 3.45?

Yes

Change the main PBA

NO

(5)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-5

C 3 2 7 _C306 C 3 2 2 C 3 3 6 2 V 1 _ R S C C 3 2 6 C 3 2 1 C 3 3 0 2 V 1 _ 1 R S D S C 3 3 8 C 3 2 5 C 3 2 4 C 3 2 3 C 3 3 7 C 3 4 0 C 3 3 5 C 3 3 9 2 V 1 _ 2 R S D S C 3 3 2 C 3 1 8 9 0 3 C C 3 2 0 3 3 3 C C 3 0 8 2 V 1 _ R S M M C 3 4 2 C 3 4 1 C3 0 7 C 3 3 1 8 V 1 _ 1 R S O I C 3 1 7 C 3 2 9 C 3 3 4 C 3 2 8 C 3 1 9 2 V 1 _ 1 R S D S 8 V 1 _ 1 R S O I 2 V 1 _ 2 R S D S 2 2 4 C MMSR_1V2 9 1 4 C D D V O D _ 0 M A C 8 1 4 C 4 2 4 C 7 1 4 C CCCCCC 33333333 00 0 0 0000 000 0 000 C 3 0 1 CCC 0 CCC 33333333 000 0 000 111 C 3 0 2 CCCCCC 333333 0 33 000000 2222222 C 3 0 3 CCCCCC 33 0 33333 C 3 000000 33333333 C304 C C C C C C C C333333330 C303000000004444 C 3 0 5 CCCCCC 3 0 3333333 0000000 5555555 C306 C C C C C C C0 C33333333 C303000060000666666666 C307 C C0 C C C C C C33333333 C30300000000077 CCCCC 0 8 C 3333333 C 3 000000 88 0 88 0 8888888888 C309 C C C C C C C C33333333 C303000000090999999999 C 3 1 0 CCCCCC 33333333 111 000 0 00000 C 3 1 1 CCCCCC 33333333 111 111 C 3 1 2 CCCCCC 33333333 111 2222222 C 3 1 3 CCCCCC 33333333 111 33333333 C 3 1 4 CCCCC 4 C 33333333 111 444 C 3 1 5 CCCCCC 3333333 C 3 111 5555555 C 3 1 6 CCCCCC 3333333 C 3 11 6 1 66666666 C317 C C C C C C C C33333333 C311177 C318 C C C C C C C C33333333 C3118188888888888888 C 3 1 9 CCCC 3333333 C 3 11 999999 C320 C C C C C C C C33333333 C32222222020000000000 C321 C C C C C C C C33333333 C33223221122221 C322 C C C C C C C C33333333 C33223222222222222222 C 3 23 CCCCCC 333333 C 3 222 3 2 3 233333333 C324 C C C C C C C C333333334 C33223232422222424 C 3 2 5 CCCCCC 333333333 2222 3 2 3 2 5555555 C 3 2 6 CCCCCC 3333333 6 C 33 2222 3 2 3 2 66666666 C327 C C C C C C C C33333333 C332232322772222 CCCC 333 8 3333 C 3 222 3 2 3 2888888888888 C329 C C C C C C C C33333333 C332232322992222292299999 C 3 3 0 CCCCCC 3333333 C 3 333 0 33333 000 0 000 C 3 3 1 CCCCCC 3333333 C 3 33333333 111 C 3 3 2 CCCCCC 3333333 C 3 33333333 222222 C 3 3 3 CCCCCC 3333333 C 3 33333333 33333333 C334 C C C C C C C C333333334 C3333433333333434 C335 C C C C C C C C33333333 C333353335533533333555 CC3C3CCCCCCC336333333333336333333666666666 C337 C C C C C C C C33333333 C333333377333333 CCCCCC 3333333 C 3 3333333 3 3 8 88388388838838838838 C339 C C C C C C C C33333333 C333333333333993933999999 C340 C C C C C C C C33333333 C343434400404400000 C 3 4 1 CCCCCC 333333 4 3 C 3 444 111 C 3 4 2 CCCCCC 4 3333333 C 3 444 222222 C 3 4 3 CCCCCC 33 4 333333 444 33333333 C 3 4 4 CCCCCC 33333 4 333 444 4 444 C 3 4 5 CCCCCC 33333333 44 3 4 5555555 C 3 4 6 CCCCCC 3333333 C 3 444 66666666 C 3 4 7 CCCCCC 333 4 3333 C 3 444 7 C 3 4 8 CCCCCC 333 4 3333 C 3 4 3 4 3 4 8 88 4 88 4 8888888888 C350 C C C C C C C C33333333 C35353550555550505000000 C3 5 1 CCCCCC 3333333 C 3 5555555 111 C 3 5 2 CCCCCC 333333333 5 3 555555 222222 C353 C C C C C C C C33333333 C35353555555333333333 C333533535333355555454544 C 3 5 5 CCCCCC 3333333 C 33 5 3 55555 3 55 5 5 555555 C 3 5 6 CCCCCC 33333 6 333 5555555 66666666 C 3 5 7 CCCCCC 33333333 5555555 7 CCCCCC 33333333 55555 8 55 88888888888888 C359 C C C C C C C C333333339 C3533535555559959559999 C360 C C C C C C C C3333333360 C363666660660066666000000 C 3 6 1 CCCCCC 3333333 C 3 6 66666666 111 CCCCCCCC3C3623363333336626666662222222 C 3 6 3 CCCCCC 33333333 6 3 666666 3 6 33333333 C 4 0 0 CCCCCC 4 C 4 C 4 000 0 0 0 4 00 00 0 00 0 00 C 4 0 1 CC 4 0 CCCC 4 C 4 C 4 0000 4 00 111 C402 C C C C C C40 C4 C4 C40404400000002020222222 C403 C C C C C C40 C4 C4 C404000003000033333333 C 4 0 4 CCCCCC 4 0 4 4 C 4 C 44 0000 4 0 4 0 4 0 4 0 4 C 4 0 5 CCCCCC 4 C 4 C 4 0 4 0000 4 0 4 00 5 0 55555 0 5 C407 C C C C C C C4 C4 C440404040000000077 C 40 8 CCCCCC 4 C 4 C 4400004040 88 0 88 0 888 0 88 0 88 0 88 0 8 C 4 0 9 CCCCCC 4 C 4 C 4 00000 4 000 99999 0 999 C410 C C C C C C C4 C4 C4111000000000 C411 C C C C C C C4 C4 C4111111 C 4 1 2 CCCCCC 4 4 C 44 111 222222 C413 C C C C C C C4 C4 C4111333333333 C414 C C C C C C C444111444 C415 C C C C C C C4 C4 C411155555555 C416 C C C C C C C4164 C4 C4111666666666 C417 C C C C C C C4 C4 C411177 C 4 1 8 CCCCCC 4 C 4 8 C 4 111 88888888888888 C 4 1 9 CCC 4 CCC 44 C 4 111 9 99999999 C 4 2 0 4 C 4 C 4 2 0 22222 000 0 000 C 4 2 2 CCC 4 CCC 4 C 4 C 4 222222 222222 C 4 2 3 CC 44 C 4 22222 4 2 33333333 C424 C C C C C C C44 C4222222224444 C 4 2 6 CCCCCC 44 C 4 222222 66666666 C427 C C C C C C C4 C4 C42222222277 C428 C C C C C C C4 C4 C4242822222288888888888888 C429 C C C C C C C4 C4 C4222229222999999999 C430 C C C4 C C C C4 C4 C4433333033330000000000 C 4 3 1 CCCCCC 44 C 4 33333333 111 C432 C C C C C C4 C4 C4 C433333333322222222 C 4 3 3 CCCCC 4 C 4 C 4 C 4 3333333 4 3 33333333 C 4 3 4 CCCCCC 4 C 4 C 4 333333 4 3 4 3 444 C 4 3 5 CCCCCC 4 C 4 C 4 333333333 5 3 555555 C436 C C C C C C C4 C4 C43333333363666666666 C 4 3 7 CCCCCC 4 C 4 C 4 33333333 7 C 4 3 8 CCCCCC 4 C 4 C 4 33333333 88888888888888 C439 C C C C C C C4 C4 C43333333393999999999 C 4 4 0 CCCCCC 4 C 4 C 4 444 000000 C 4 4 1 CCCCCC 4 C 4 C 4 44 4 4 111 C 4 4 2 CCCCCC 4 C 4 C 4 444 222222 C 4 4 3 CCCCCC 4 C 4 4 C 4 44 4 4 33333333 C 4 4 4 CCCCCC 4 C 4 C 4 4 4 44 4 4 444 C445 C C C C C C C44 C4 C4444454555555 C 4 4 6 CCCCCC 4 C 4 C 4 4 6 44 4 4 66666666 C 4 4 7 C 4 CCCCC 4 C 4 4 C 4 4 4 4 4 4 7 C 4 4 8 CCC 4 4 CCC 4 C 4 C 4 4 4 4 4 4 8 88 4 88 4 8888888888 C449 C C C C C C C44 C44449499999999 C 4 5 3 CCCCCC 4 C 4 C 44 5 4 555555 33333333 C 5 20 CCCCCCC 5 C 55555 C 5 0 222 5 2 5 2000000 C 5 2 1 CCCCCC 5555555 222222 111 C 5 2 2 CCCCCCC 5555555 222222 222222 C 5 2 3 CCCCCCC 5 C 555555 222222 33333333 C 5 2 5 CCCCCC 5555555 222222 5555555 C 5 2 6 CCCCCC 55555 6 55 222222 66666666 C530 C C C C C C C5 C C555550 C5535303333333000000000 C 5 3 1 CCCCCCC 5 C 555555 33333333 111 C 5 3 5 CCCCCCC 5 C 555555 33333333 5555555 CCCCCC 6 C 666666 0 8 C 6 000000 88888888888888

L400

L

L4

40

4

0

00

0

00

0

L 4 0 1 LL 4 0 44 0000 1 00 111 L402 L L4402400200000002222222 L403 L L440400300000033333333 L404 L L444000000000444 L 4 0 5 LL 444 0000000 5 5555555

L406

L

L4

40

4

0

06

0

6

L 5 0 9 LL 5555555 000000 9999999 L510 L L555555515110000000000 L602 L L66 L66666660000200000022222222 L 6 0 7 LL 66666 0 666 000000 7 O S C 4 0 0 0 OOOOOO SSSSSSSSSS CCCCCC 4 C 4 C 444 00 0 0 4 0 0 44 000 0 0 0 00 00 0 Q 6 0 0 QQQQQQQQQ 6 QQ 6666 0 0 6 Q 66 0000 6 0 66 0 000 0 00 0 00 R 3 0 0 RRRRRR 3333333 R 3 00000 3 00 0000 0 000 R 3 0 1 RRRRR 3333333 R 3 000000 111 R 3 0 2 RRRRR 3333333 R 3 000000 222222 R 3 0 3 RRRRR 3333333 R 3 000000 33333333 R 3 0 4 R 3 0 5 RRRRR 33333333 0 000000 5555555 R 3 0 7 RRRRR 3333333 R 33 0000 0 3 0 3 0 7 R 3 0 8 RRRRR 3333333 R 33 0000 0 8 3 0 3 0 88 0 88 0 8888888888 R 3 0 9 RRRRR 3333333 R 33 0000 3 0 3 00 9999 0 999 R 3 1 0 RRRRR 3333333 R 3 0 111 000 0 0000 R 3 1 1 RRRRR 3333333 R 3 111 111 R 3 1 6 RRRR 333333 R 3 11 6666666 R 3 1 8 RRRR 333 8 333 R 3 11 888888888888 R 3 1 9 RRRRR 3333 9 333 R 3 11 999999 R 3 2 0 RRRRR 3333 0 333 R 3 222 3 2 3 2 000000 R 3 2 2 RRRRR 3333333 R 3 222222 222222 R 3 2 3 RRRRR 3333333 R 33 2222 3 2 3 2 33333333 R 3 2 6 RRRRRR 3333333 R 3 2222 6 222 66666666 R 3 2 7 RRRRRR 3333333 R 3 22222 3 2 3 2 7 R 3 2 9 RRRRR 3333333 R 33 2222 3 2 3 22 9999 2 9 2 99 R 3 3 0 RRRRR 3333333 R 3 33333333 0 000000 R 3 3 1 RRRRR 33333333 33333333 111 R332 R R R R R R R R33333333 R333333333322222222 R400 R R R R R R R4 R4 R44040040400000000000000000 R401 R R R R R R R40 R4 R440404401000001 R402 R R R R R R R4 R4 R4040404020000002222222 R403 R R R R R R R4 R4 R440404040000000333333333 R404 R R R R R R R40 R4 R4404044040000040404 R 4 0 6 RRRRR 4 R 4 R 4 000000 66666666 R408 R R R R R R R4 R4 R4408404080808080808000000888888 R 4 0 9 RRRRR 4 R 4 R 4 000 0 000 99 9 99999 R410 R R R R R R R4 R4 R41100000000 R R R R R R R4 R4 R4111111 RRRRR 4 R 4 R 4 111 4 444 R415 R R R R R R R4 R4 R4115555555 R416 R R R R R R R46 R4 R4111666666666 R 4 1 8 RRRRR 4 8 R 4 R 4 11 888888888888 R419 R R R R R R R4 R4 R4111999999999 R 5 1 8 RRRRRR 5 R 5555 8 5 R 5 111 88888888888888 R519 R R R R R R9 R5 R5 R55555 R5111999999999 R520 R R R R R R R5 R R555550 R55252022222200000000 R521 R R R R R R R5 R R55555 R552525212222211 R 5 2 2 RRRRRR 5 R 55555 R 5 222222 222222 R523 R R R R R R R5 R5 R55555 R52525232222233333333 R524 R R R R R R R5 R R55555 R5525252222224444 R525 R R R R R R R5 R R55555 R525222222255555555 R526 R R R R R R R5 R R55555 R52522222262666666666 R 5 2 7 RRRRRR 5 R 55555 R 5 2222 7 R 6 0 5 RRR 6 0 RRR 6 R 6 R 66666 R 6 000000 5555555 R606 R R R60 R R R R6 R6 R R66666 R66060660600060000600660666 R 6 0 7 RRRRRR 6 6 0 R 6 R 66666 R 6 000000 7 RRRRRR 6 R 6 R 6 0 8 6666 R 6 000000 8888888888888 R609 R R R R R R R6 R6 R R66666 R6606060609000000900999999 R 6 1 4 RRRRRR 6 R 6 R 666 4 66 R 6 111 444 R 6 1 5 RRRRRR 6 R 6 R 66666 R 6 111 5555555 R617 R R R R R R R6 R6 R6 R66666 R611177 R618 R R R R R R R6 R6 R6 R66666 R61118888888888888888 TP 300 T TPPPPPP 3P33030333330333300000000000000000000 TP_301 T TPPPPPPP 330133030333333330000001 T P B O O T P B O O T PPP BB O BB O B O B O BBB OOOOOOO O O OOOO O OO TP EMM C D 300 EMM C D PPP EEMEMEMMMMMMMM CC MMM CC DDDD 3 D 3 D 30 D 3 D 3 D 3 DD 33303033000 0 000000 TP_MUS_INTP MU TTPPPPPP MMMMMMMUUUUSUUUSUUUSSSIINNNNT P PM U BA TRMB PM U BA TRM T PPP PPMMPMMMM UUUUU BBBBBBBBBABAA TTRRTTRRRRRMMMMMMMM TP PMU CLASSG PWR PMU CLA P PPPPMMMMMMUMUUUUU CCLCCCCCLLLAAAASASSSSSSSSSSSSSSSSSSSSG PW GGGGG PPPPPWPWW W WWWWW TP_PMU_INT_NP PMU IN TTPPPPPP PPPPPPMMMMMMUUU NNNTTT NNN TP PM U PC 300 P PM U PC 30 TPPP PPPMPMMMMMM UUUUU PPCPPPCC 3 CCC 3 C 3 CC 3333033000000000 TP PMU PC301 P PMU PC3 PPP PPMMPMMMMMUUUUUU PPCPCPPCC3CCC3C3CC330033000 TP_PMU_PC400P PMU PC40 TPPPPP PPPMPMPMMMMUUUUU PPPPPCPCPPPPCCCC4440444440000000000 TP PMU STA T300 P PMU STA T3 PPP PPMPMPMMMMMUUUUU SSSSSSSTTATAA T3TTTT3TTT33330 0 333000000 0 0000 TP PM U STAT301 T P PM U STAT3 PPP PPPMMPMMMMM U M UUUUU SSSSSSSTTTAATAATTTTTTTT33333333000 TP PVT MON ADC PVT MO P PPVVPVVVTT MMMMMO ON OOOOOONNN AA A AAAADDDD P TPPUART TXP UUUUUAAAAAARRRRRRTT TTXTXXDDXDXX TP205 T TPPPPPP2PP20P2222220050000005555555 U 4 0 0 UUUUU 444 0000 0 00 000000

U401

U

40 U

U

U4

4

40

0

01

1

1 U

4

0

4 U

UU

4

0 UUU

444 0000

4

000

444

00 U60 U U U6000 U U6 U6 U U6666 U660600660000000000000000000 U60202 U600 U U U U666666666060260000000002222222

UCP300

U

UC

CP

C

CP

C

P3

P

P3

3

30

3

30

3

0

00

0

0 U

UM

U

UME300

M

ME

ME3

E3

E

E3

30

3

30

3

300

3

00

0

00

0

00

0

00

0

V R 5 0 0 VV RRRR 0 RRR 55555 R 55 0000 0 55 00 000 0 0 0 0 0 0 V R 6 0 1 VV R 6 0 RRRRR 6 RR 66666 R 66 000 0 0 66 0 111 V R 6 0 2 VV RRR 6 0 RRR 6 RR 6 R 6666 R 66 0000 66 00 2222 0 2 0 2 6 0 1 Z D 6 ZZ 6 0 D 6 DDDDD 6 D 6 D 66666 D 6 0000 66 0 111

(6)

8-3-2. LCD Working

Power Switch On

Replace U603 & Check

R619,R620,L605,L606

NO

Yes

CHECK

LCD DATALINE

(LCD_SDA,SCL)

C619

LED_P_26V=26V?

NO

correctly connect

NO

LCD Display

On?

Yes

NO

Resolder or replace UCP300

Yes

Replace LCD

Replace PBA

Replace or Resolder

R619,R620,L605,L606

&

NO

LCD FPCB

connector is co

rrectly connecti

ned?

(7)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-7

4 0 6 L 9 1 6 R 0 1 6 C 4 1 6 C 5 0 6 L 0 2 6 R 9 0 6 C 6 0 6 L 6 1 6 R T A B M V 1 1 6 C 5 D N G 7 G N D X L 6 N I V 2 3 T U O V 3 0 6 U 1 L R T C B F 4 M W P _ L B V 6 2 _ P _ D E L N _ D E L L 6 0 0 1 0 6 C N _ K L C _ I P I M _ P T 7 88 9 9 3 1 N C N C 3 2 N C 3 3 ₃4 N C 7 2 2828 9 2 9 2 3 3 0 3 30 4 4 5 5 6 6 7 2 0 2 0 2 1 2 21 2222 3 2 3 2 2424 5 2 5 2 2626 7 2 3 1 13 1414 5 1 5 1 1616 7 1 17 1818 9 1 9 1 2 0 0 6 D C L 1 W A 4 2 1 0 3 6 E X A 1 1 0 1 10 1 1 1 1 1212 5 0 6 C 6 0 6 C 8 V 1 _ 1 R S O I 0 V 3 _ P S I D N _ T E S E R _ D C L _ P T V 0 . 3 _ H C U O T V 4 0 6 R L 6 0 1 0 0 6 P D _ D _ I P I M _ P T 0 0 6 M D _ D _ I P I M _ P T 1 0 6 M D _ D _ I P I M _ P T 4 0 6 C 2 0 6 R M W P _ D C L _ P T 8 V 1 _ 1 R S O I 3 0 6 R P _ K L C _ I P I M _ P T 1 0 6 P D _ D _ I P I M _ P T N _ T S R _ D C L 5 V 4 1 _ H G V _ D C L V 6 2 _ P _ D E L N _ D E L Q R I _ H C U O T A D S _ 4 C S B L C S _ 4 C S B M W P _ L B M C _ 0 S I D 1 P D _ 0 S I D E T 0 S I D 0 P D _ 0 S I D 0 M D _ 0 S I D 1 M D _ 0 S I D P C _ 0 S I D

(8)

8-3-3. TSP

Operate TSP

NG

Check

TSP Connecting

NO

Reconnecting TSP

YES

Check

LCD Connecting

Reconnecting LCD

NO

Check

VTOUCH_3.0V

YES

Resolder or Replace

U401

Check

TSP_SCL,SDA

Resolder or Replace

_UCP300

YES

Replace LCD

YES

NO

_{Replace PBA}

(9)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-9

8-3-4. Audio Working

 Speaker Working

Operate speaker

NG

Check Speaker

Connection

Change SPK

NO

YES

Speaker break

down?

Change Speaker

Signal on in

IHF_SPKOUTP

& IHF_SPKOU

TN?

Resolder

L500, L501

UCP300, U401

YES

NO

EAR SOUND

OK?

Resolder

R505, R506

YES

NO

Change main PBA

NO

_{CHANGE PBA}

YES

(10)

2 0 5 D Z 0 0 5 K P S 1 0 5 C 3 0 5 C 0 0 5 L 1 0 5 D Z 1 0 5 L P T U O K P S _ F H I N T U O K P S _ F H I 5 0 5 R 8 V 1 _ 1 R S O I 3GND|DET 4GND|DET T E D | T F E L 6 7LEFT|DET 2MIKE T H G I R 5 0 0 5 R 5 0 5 L 4 0 5 L 3 0 5 L 2 0 5 L 6 0 5 R 0 0 5 U

(11)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-11

 Receiver Working

Operate Receiver

NG

Check Receiver

soldering

Resolder HDC500

NO

YES

Receiver break

down?

YES

Change Receiver

NO

Check

UCP300

Change main PBA

YES

Check

C500,C504,

ZD500,ZD503

Resolder or Replace

C500,C504,ZD500,ZD503

Resolder or Replace

UCP300

NO

(12)



MIC Working

Operate MIC

NG

Pollute

MIC Hole?

YES

Clean up

MIC hole

NO

Check Voltage

of L509 Voltage

is 1.8V ?

NO

YES

Change main PBA

Signal on in

C522, C523 ?

Change UCP300

YES

NO

Signal on in

VR500,C528,

C529?

Resoldering

VR500,C528,C529

NO

YES

MIC

break down

YES

Resolder or Replace

MIC

NO

(13)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-13

9 0 5 L 9 2 5 C 0 0 5 R V C527 R522 3 2 5 C T U O 4 R W P 0 0 5 C I M D N G 2 3 D N G 5 D N G D N G 6 1 3 2 5 R 8 2 5 C S A I B C I M 2 2 5 C 1 N C I M 1 P C I M

(14)



Stereo Headset Working

Hands-free stereo

headset

NG

YES

_{Resolder or Replace}

UCP300

Button NG?

NO

Check

U500

MIC NG?

NO

YES

Check U502

YES

Resoldering EAR500

NO

Signal on

in L504, L505

SPK NG?

_{Resolder or Replace}

L504, L505

YES

NO

The End

Resolder or Replace

PM400

(15)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-15

Z D 5 0 5 5 0 5 R 8 V 1 _ 1 R S O I D 5 0 1 3 1 5 R 0 0 5 R A E 3GND|DET 4GND|DET T E D | T F E L 6 7LEFT|DET 2MIKE T H G I R 5 Z D 5 0 6 7 1 5 R R 5 1 4 Z D 5 0 7 0 0 5 R 4 3 5 C Z D 5 0 9 7 0 5 C G S2 5 1 5 R 8 V 1 _ 1 R S O I Q5 00 3 D 1 7 0 5 R 1 1 5 R Z D 5 1 0 2 0 5 R 5 0 5 L 8 V 1 _ 1 R S O I 7 0 5 L -N I C N5 T U O 1 VDD6 S S V 2 8 V 1 _ 1 R S O I 1 0 5 U + N I 3 4 0 2 5 C 2 1 5 R 4 0 5 L 2 1 5 C 1 0 5 R 3 0 5 R 3 0 5 L 8 V 1 _ 1 R S O I 2 0 5 L 8 0 5 R 6 0 5 C 5 0 5 C 6 0 5 R Z D 5 0 4 L 5 0 8 9 1 5 C 0 0 5 U A 1 B 3 2GND 4 Y T U O 5 C C V 5 0 6 U 6 0 5 L 8 0 5 D Z 8 0 5 C O L _ S H _ D U A S M C _ S H _ D U A T X E _ X R _ M F T E D _ D N G T E D _ R A E O R _ S H _ D U A N I _ C I M X U A N I _ K C A J T E D _ D N G N I _ C I M X U A T E D _ R A E

(16)

8-3-5. KEY Working

 Power KEY

Press Power Key

NG

Check the P/K

Soldering State

It is OK ?

YES

Resoldering the P/K FPCB

NO

Re-check the P/K

FPCB STATE

It is OK ?

Change P/K FPCB

NO

YES

Change main PBA

Check

R610

Resolder or Replace

R610

NO

YES

Check

ON_SW

NO

Resolder or Replace

UCP300

YES

(17)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-17

3

4

5

6

1 S

2

0

6 C

A

T

0

1

6 R

1

0

6 U

b

Y

E

K

N

O

P

(18)

 Volume Key and Other Sub key

Press Volume Key

and Other Sub Key

Volume Key NG?

Yes

NO

home Key

NG?

Yes

NO

Menu&Back Key

NG?

GO TO 8-3-3.TSP

Yes

NO

Resolder or Replace TACT600 , TACT601

Resolder or Replace CN301, L602

Resolder or Replace UCP300

Replace PBA

(19)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-19

1 0 6 R C 6 1 9 C 6 2 0 4 5 6 1 1 S S22 1 0 6 C A T 3 6 1 1 S S22 0 0 6 C A T 3 4 5 0 0 6 R ) 0 ( C B K KBR(4) ) 1 ( R B K ) 0 ( C B K 1 0 3 N C 11 2 2 33 8 V 1 _ 1 R S O I 0 0 6 U 6 0 6 R 2 0 6 L Z D 6 0 1 9 0 6 R E M O H

(20)

8-

3 -6. Vibrator Working

Operate Vibrator

NO

Check

Vibrator Motor

Change Vibrator Motor

NO

Yes

No

Yes

VIBRA_3V0

=3.0V

(C441) = 3.0V?

Check PMIC (PM400)

Check

D500,C502

Resolder or Replace

D500,C502

NO

(21)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-21

0 V 3 _ A R B I V 2 0 5 C 0 0 5 T O M 1₁ 2 2 3 3 0 0 5 D 1 1 2₂ 3 3 1 0 5 T O M 9 3 4 C 0 V 3 _ A R B I V 1 4 4 C 3 V 3 _ N E S 0 4 4 C D D V _ O 3 V 3 _ B S U

(22)

8-3-7. T-Flash Card Working

Insert & Operate

microSD card

NG

YES

CD600

break down ?

Change CD600

NO

YES

Change SD700

10thPin of SD700

= High ?

NO

4thPin of CD600

= 2.85V ?

NO

Resolder or Replace

_PM400(PMIC)

YES

Check

UCP300

(23)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-23

2 0 6 C 8 V 1 _ 1 R S O I 3 0 6 C T E D 0 1 1 1 D N G D N G 2 1 3 1 D N G D N G 4 1 9 T W S D D V 4 6

0

6 D

C

3 T A D | D C 2 5 K L C 3 D M C 7 0 T A D 1 T A D 8 1 _D_A_T₂ 0 V 3 _ D S 0 0 6 C N _ T E D _ D R A C _ D S ) 3 ( A T A D _ D S O R C I M D M C _ D S O R C I M ) 0 ( A T A D _ D S O R C I M ) 1 ( A T A D _ D S O R C I M ) 2 ( A T A D _ D S O R C I M

T

C

E

MICROSD_CLK

(24)

8-3-8. SIM Card Working

Check PM400(PMIC)

SIM Connector

Break down?

NO

Change SIM500

YES

No

Yes

C510, C511 =

3.0V

NG

Resolder SIM500

Insert & Operate

SIM card

Check data,clk,reset line

Yes

Resolder or Replace

PM400

No

Change PBA

YES

(25)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-25

D D V _ O D L 1 M I S 1 1 2 1 D N G D N G 13 O I 7 T S R 2 1 C C V P P V 6 0 0 5 M I S 3 K L C 5 D N G 8 D N G D N G 9 0 1 D N G D N G C 5 1 3 C 5 1 0 0 1 5 R C 5 1 7 C 5 1 5 C 5 1 8 9 0 5 R D D V _ O D L 2 M I S C 5 1 1 O I 7 T S R 2 1 C C V P P V 6 3 K L C 5 D N G 8 D N G D N G 9 0 1 D N G D N G 11 2 1 D N G 3 1 D N G 1 0 5 M I S C 5 1 6 C 5 1 4 T S R _ 1 M I S A T A D _ 1 M I S K L C _ 1 M I S T S R _ 2 M I S A T A D _ 2 M I S K L C _ 2 M I S

(26)

8-3-9 CAMERA Working

Operate CAMERA

NG

Camera connector

is connected correct?

Re-connect

NO

Yes

C615 = 1.8V

C616 = 1.25V

C617 = 2.8V

Check PM400(PMIC)

NO

Yes

CAM0_CLK (R614)

= 26 MHz ?

_{Change UCP300}

Yes

Re-assy or replace the came

ra module

(27)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-27

3 0 6 L 4 1 6 R 55₆ 6 77 8 8 99 7 2 27 8 2 8 2 9 2 29 33 0 3 30 1 3 1 3 2 3 32 4 4 9 1 2 2 0 2 0 2 1 2 21 2 2 2 2 3 2 23 4 2 4 2 5 2 25 6 2 6 2 1 1 2 1 2 1 3 1 3 1 4 1 4 1 5 1 15 6 1 6 1 7 1 17 8 1 8 1 9 1 0 0 6 M A C 11 0 1 0 1 1 1 8 V 2 _ M A C N D W P _ 0 M A C _ P T N T S R _ 0 M A C _ P T A D S _ 1 C S B _ P T L C S _ 1 C S B _ P T 6 1 6 C D D V O D _ 0 M A C 7 1 6 C 8 0 6 C 8 V 1 _ 0 M A C 5 1 6 C A D S _ 1 C S B L C S _ 1 C S B K L C M _ M A C _ M 3 0 P D _ M _ 0 2 I S C M C _ M _ 0 2 I S C K L C M _ M A C _ M 3 CAM0_XCLK P C _ M _ 0 2 I S C 0 M D _ M _ 0 2 I S C N D W P _ 0 M A C N T S R _ 0 M A C

(28)

8-4-1. GSM850 Rx

Resolder C108, 109 or RFS100 Check RFcable No

U101 PIN13 ≥ -65dBm?

(C108, 109 using spectrum ana lyzer) Continuous Rx ON Channel : 190 CH Cell power : -60dBm U101 PIN7, C122 ≥ -68dBm? Yes Resolder C122 or Change U101 No F100 PIN3, 4 L113, L118, L114 ≥ -75dBm? Yes Resolder L113, L118, L114 or Change F100 No

Check the U101`s Ant. selection diagram

No

Check Main chip(UCP300) Yes

Change U101 Yes

(29)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-29

8-4-2. GSM900 Rx

Resolder C108, 109 or RFS100 Check RFcable No U101 PIN13 ≥ -65dBm?

(C108, 109 using spectrum ana lyzer) Continuous Rx ON Channel : 37 CH Cell power : -60dBm U101 PIN8, C111, C112, L107 ≥ -68dBm? Yes Resolder C111 or Change U101 No DUF100 PIN8,1 L100, L103, C104 ≥ -75dBm? Yes Resolder L100, L103, C104 or Change DUF100 No

No

Check Main Chip(UCP300) Yes

Change U101 Yes

(30)

8-4-3. DCS Rx

U101 PIN13 ≥ -65dBm?

(C108, 109 using spectrum ana lyzer) Continuous Rx ON Channel : 698 CH Cell power : -60dBm U101 PIN10, C133 ≥ -68dBm? Yes Resolder C133 or Change U101 No F103 PIN8,9 C130, C132, L122 ≥ -75dBm? Yes Resolder C130, C132, L122 or Change F101 No

No

Change U100 Yes

(31)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-31

8-4-4. PCS Rx

(C108, 109 using spectrum ana lyzer) Continuous Rx ON Channel : 661 CH Cell power : -60dBm U100 PIN10, C133 ≥ -68dBm? Yes Resolder C133 or Change U101 No F101 PIN6,7 C134, C136, L124 ≥ -75dBm? Yes Resolder C134, C136, L124 or Change F101 No

No

Change U101 Yes

(32)

9 6 1 C 4 0 1 L 8 5 1 C 1 L T C 1 2 L T C 5 G N D 3 2 1 T R O P 6 P O R T 2 4 3 T R O P C N -1 0 6 0 L D -H S 1 3 8 0 M X -f r 3 0 1 U 0 3 1 C C 1 4 5 8 0 1 R 0 0 1 S F R 2 AC 1 G 3 G 4 6 0 1 C 0 0 1 _ P T 9 5 1 C 7 1 1 R T R O H S 5 0 1 R T R O H S 4 0 1 R 2 V 1 _ 1 R S D S 5 0 1 C 6 3 1 C 0 0 1 A T A D X T _ P T N E K L C _ S Y S _ F R _ P T C 1 6 0 C 1 1 8 9OUT 5 G 2 G 3 G 0 1 G 1 N I 6OUT 7OUT T U O 8 1 0 1 F G 4 0 0 1 L E S _ T N A 2 0 1 A T A D _ X R _ P T C 1 5 3 4 2 1 L 7 5 1 C 8 1 1 L 8 6 1 C L 1 2 9 5 V M O D E 1 G N D 6 7 T R X 1 T R X 2 8 9 G N D N I F R _ B L 28 9 2 P M A R V 3 V _ 3 G 0 L T C 30 1 3 1 L T C 2 3 2 L T C 3 3 D N G V M O D E 0 4 G N D 2 021 G N D G N D 2 223 G N D G N D 2 425 G N D D N G 26 7 2 N I F R _ B H 3 1 ANT D N G 4 1 5 1 GND D N G 6 1 7 1 GND 1 8 G N D 1 9 G N D V B A T 2 1 0 1 U 1 C T L3 4 X R T 0 1 1 1 TRX5 D N G 2 1 7 V 2 _ O D L F R 9 0 1 C 6 0 1 R T R O H S A T A D _ I R S _ F R _ P T 1 6 1 C 5 6 1 C F R _ T A B V 8 2 1 L C 1 6 7 K L C _ I R S _ F R _ P T 3 3 1 C 7 V 2 _ O D L F R C 1 4 8 11 2 2 2 0 1 L E S _ T N A 1 0 1 T N A C 1 4 6 C 1 4 7 6 0 1 L 9 2 1 C 5 3 1 C 2 1 1 L 1 2 1 R 1 2 1 L 6 2 1 C C 1 4 9 4 6 1 C 1 3 1 C 8 1 1 R T R O H S 3 1 1 L C 1 6 2 0 0 1 A T A D X T R _ P T 2 3 1 C T R O H S N E _ I R S _ F R _ P T 4 1 1 C 3 1 1 R 2 2 1 L 3 1 1 C T R O H S 4 1 1 R R 1 1 0 9 0 1 R 8 V 1 _ 1 R S O I 0 0 1 N E X T R _ P T 1 7 1 C T R O H S 7 0 1 R 0 7 1 C 2 0 1 R 6 6 1 C C 1 1 7 3 K 2 B H _ X T K5 TX 1P 2_C OM P K6 VS S K7 VS SC 8 K 1 D X T _ A T A D X T R 9 K 2 D X T _ N E X T R J5 VS S J6 VS SC 7 J 0 D X T 8 J 8 X C _ K L C 9 J 2 D X R K1 VS S K 10 VS SC 2 K 1 B H _ X T H2 T XV CO 1P 4_C OM P 8 H 1 D X R 9 H 0 D X R 1 J 2 B L _ X T J1 0 D IG _VD D 1P8 J2 VS S J3 VS S J4 TX _V DD 2P7 G2 VS S 4 G 1 T E D V 5 G A 2 A N E _ S Y S _ A N A 6 G N E T O L S _ T S F R 7 G N _ T S R 9 G N E _ K L C S Y S 1 H 1 B L _ X T H 10 VS SC 4 F 2 T E D V 5 F B 2 A N E _ S Y S _ A N A 6 F 1 A N E _ S Y S _ A N A 7 F N E _I R S 8 F K L C _ I R S 9 F K L C S Y S G1 TX LO 1P 2_CO M P G 10 D IG 1P 2_C OM P E2 VS S 4 E N V N E V 5 E P V N E V 6 E E D O M _ T S E T 7 E T A D _ I R S E9 VS SC F 10 VS SC F2 TX _V DD 1P8 0 1 D 2 K L C _ S Y S _ A N A 2 D P _ 1 B L _ X R D4 RX _V DD 2P7 5 D S E R _ T X E _ R G B 6 D 1 T S E T _ A N A 7 D 2 T S E T _ A N A 9 D 1 K L C _ S Y S _ A N A E1 RX _V DD 1P8 B7 R XV CO 1P 4_C OM P B8 RX PLL _VD D1 P8 B9 VS S 1 C P _ 2 B L _ X R C 10 DC XO 1P 2_C OM P 2 C N _ 1 B L _ X R C6 RX PLL 1P2_ CO M P C9 VS S 9 A I L A T X 1 B N _ 2 B L _ X R 0 1 B O L A T X B2 R X1P 2_C OM P 3 B N _ 2 B H _ X R 4 B P _ 2 B H _ X R B5 VS S B6 RX LO 1P2 _CO M P 2 NC A1 VS S A 10 VS S 2 A N _ 1 B H _ X R 3 A P _ 1 B H _ X R 5 A N _ 3 B H _ X R 6 A P _ 3 B H _ X R A8 VS S 4 0 1 U NC 1 1 1 22 3 0 1 R 0 0 1 T N A 3 0 1 L E S _ T N A C 1 5 2 2 7 1 C 3 2 1 L 4 1 1 L L 1 3 0 C 1 6 3 2 2 1 C N _ T E S E R _ P T C 1 5 1 4 2 1 3 O S C 1 0 0 N I 1 3OUT 4OUT 8 0 1 C 0 0 1 F 2 G 5 G 1 0 1 A T A D _ X R _ P T 7 0 1 C 4 3 1 C G 3 _ T A B V C 1 5 0 1 0 1 L E S _ T N A 0 0 1 A T A D _ X R _ P T 8 0 1 L T N A _ 0 0 1 2 S T M U U M T S 9 00 _ G S M 9 0 0 _A N T K L C _ S Y S _ F R P _ X R _ S C P _ 0 0 9 1 S T M U N _ X R _ S C P _ 0 0 9 1 S T M U 1 E D O M V _ G 3 2 E D O M V _ G 3 B _ X T _ B H _ G 2 B _ X T _ B L _ G 2 T N A _ S C P _ 0 0 9 1 S T M U P _ 0 5 8 M S G _ X R N _ 0 5 8 M S G _ X R P _ 0 0 8 1 S C D _ X R N _ 0 0 8 1 S C D _ X R P _ 0 0 9 1 S C P _ X R N _ 0 0 9 1 S C P _ X R N _ 0 0 9 1 S C P _ X R N _ 0 0 8 1 S C D _ X R P _ 0 0 8 1 S C D _ X R N _ 0 5 8 M S G _ X R P _ 0 5 8 M S G _ X R N _ X R _ 0 0 9 M S G _ 0 0 9 S T M U P _ X R _ 0 0 9 M S G _ 0 0 9 S T M U 2 L T C 0 L T C P M A R V _ G 2 3 L T C 1 L T C P _ X R _ 0 0 1 2 S T M U N E _ 2 B _ G 3 3G_B1_EN B _ X T _ 2 B _ G 3G_B1_TX_B Q E R _ K L C _ C F N Q E R _ K L C _ N A L W P _ 0 0 9 1 S C P _ X R 2 _ G 3 A T A D X T _ G 2 N E X T R 1 _ G 3 A T A D X T _ G 2 A T A D X T R 0 _ G 3 A T A D X T N _ T E S E R Z H M 6 2 _ T B L W B _ X T _ B H _ G 2 B _ X T _ B L _ G 2 B _ X T _ B L _ G 3 N _ X R _ 0 0 1 2 S T M U 8 X C _ K L C _ F R N E K L C _ S Y S _ F R A T A D _ I R S _ F R K L C _ I R S _ F R N E _ I R S _ F R 0 _ G 3 A T A D _ X R 1 _ G 3 A T A D _ X R 2 _ G 3 A T A D _ X R T S F R _ G 3 _ G 2

(33)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

(34)

8-4-5. WCDMA Band1 (2100) Rx

U101 PIN13 ≥ -65dBm?

(C108, 109 using spectrum ana lyzer) Continuous Rx ON Channel : 10700 CH Cell power : -60dBm U101 PIN11, L109, C121,C116 ≥ -68dBm? Yes Resolder L109, C121, C116 or Change U101 No DUF101 PIN1, L111, L115, L116, L119≥ -75dBm? Yes Resolder L111, L115, L116, L119 or Change DUF101 No

No

Change U100 Yes

(35)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-35

8-4-6. WCDMA Band8 (900) Rx

(C108, 109 using spectrum ana lyzer) Continuous Rx ON Channel : 3012 CH Cell power : -60dBm U101 PIN8, C111, C112, L107 ≥ -68dBm? Yes Resolder C111, C112, L107 or Change U101 No DUF100 PIN8,1 L100, L103, L102≥ -75dBm? Yes Resolder L100, L103, L102 or Change DUF100 No

No

Change U101 Yes

(36)

9 6 1 C 8 5 1 C 1 L T C 1 2 L T C 5 G N D 3 2PORT1 6 P O R T 2 4 3 T R O P C N -1 0 6 0 L D -H S 1 3 8 0 M X -f r 3 0 1 U C 1 4 5 2 V 1 _ 1 R S D S C 1 5 3 7 5 1 C 8 6 1 C L 1 2 9 7 V 2 _ O D L F R 1 6 1 C 5 6 1 C C 1 6 7 7 V 2 _ O D L F R C 1 4 8 C 1 4 6 C 1 4 7 1 2 1 R C 1 4 9 4 6 1 C C 1 6 2 T R O H S 3 1 1 R R 1 1 0 1 7 1 C 0 7 1 C 6 6 1 C 3 K 2 B H _ X T K 5 T X 1P 2_ C O M P K 6 V S S K 7 V S S C 8 K 1 D X T _ A T A D X T R 9 K 2 D X T _ N E X T R J 5 V S S J 6 V S S C 7 J 0 D X T 8 J 8 X C _ K L C 9 J 2 D X R K 1 V S S K 10 V S S C 2 K 1 B H _ X T H 2 T X V C O 1 P 4 _C O M P 8 H 1 D X R 9 H 0 D X R 1 J 2 B L _ X T J 10 D IG _ V D D 1 P 8 J 2 V S S J 3 V S S J4 T X _ V D D 2 P 7 G 2 V S S 4 G 1 T E D V G5 A 2 A N E _ S Y S _ A N A 6 G N E T O L S _ T S F R 7 G N _ T S R 9 G N E _ K L C S Y S 1 H 1 B L _ X T H 10 V S S C 4 F 2 T E D V 5 F B 2 A N E _ S Y S _ A N A 6 F 1 A N E _ S Y S _ A N A 7 F N E _ I R S 8 F K L C _ I R S 9 F K L C S Y S G 1 T X L O 1 P 2 _C O M P G 1 0 D IG 1 P 2 _ C O M P E 2 V S S 4 E N V N E V 5 E P V N E V 6 E E D O M _ T S E T 7 E T A D _ I R S E 9 V S S C F1 0 V S S C F2 T X _ V D D 1 P 8 0 1 D 2 K L C _ S Y S _ A N A 2 D P _ 1 B L _ X R D 4 R X _V D D 2 P 7 5 D S E R _ T X E _ R G B 6 D 1 T S E T _ A N A 7 D 2 T S E T _ A N A 9 D 1 K L C _ S Y S _ A N A E 1 R X _V D D 1 P 8 B 7 R X V C O 1 P 4 _ C O M P B 8 R X P L L_ V D D 1 P 8 B 9 V S S 1 C P _ 2 B L _ X R C 1 0 D C X O 1P 2 _ C O M P 2 C N _ 1 B L _ X R C 6 R X P L L 1P 2 _ C O M P C 9 V S S 9 A I L A T X 1 B N _ 2 B L _ X R 0 1 B O L A T X B 2 R X 1 P 2_ C O M P 3 B N _ 2 B H _ X R 4 B P _ 2 B H _ X R B 5 V S S B 6 R X L O 1 P 2 _C O M P 2 N C A 1 V S S A 10 V S S 2 A N _ 1 B H _ X R 3 A P _ 1 B H _ X R 5 A N _ 3 B H _ X R 6 A P _ 3 B H _ X R A 8 V S S 4 0 1 U N C 1 C 1 5 2 L 1 3 0 C 1 5 1 C 1 5 0 N _ 0 0 9 1 S C P _ X R N _ 0 0 8 1 S C D _ X R P _ 0 0 8 1 S C D _ X R N _ 0 5 8 M S G _ X R P _ 0 5 8 M S G _ X R N _ X R _ 0 0 9 M S G _ 0 0 9 S T M U P _ X R _ 0 0 9 M S G _ 0 0 9 S T M U P _ X R _ 0 0 1 2 S T M U N E _ 2 B _ G 3 3G_B1_EN B _ X T _ 2 B _ G 3G_B1_TX_B P _ 0 0 9 1 S C P _ X R B _ X T _ B H _ G 2 B _ X T _ B L _ G 2 B _ X T _ B L _ G 3 N _ X R _ 0 0 1 2 S T M U 6 1 1 C X R 8 3_T_X 1 0 1 F U D 6 A N T G 24 G G 5 7 G G 9 1 X R 6 1 1 L C 1 0 0 7 G N D 8 G N D 9 G N D G N D 18 V C C 19 2 VMODE0 V B A T T 20 G N D 21 3 1 E D O M V 4 B L _ N E V 5 VEN_HB 6 R FIN _ H B 1 1 T U O _ L P C 2 1 D N G 3 1 B H _ T U O F R 4 1 D N G 5 1 N I _ L P C 16 R F O U T_ L B G N D 17 0 0 1 U 1 B L _ N I F R 1 0 G N D G 3 _ T A B V 9 0 1 L 4 0 1 C 5 1 1 L 8 2 1 C 1 0 1 R G G 5 7 G G 9 X R 1 8 X R X T 3 0 0 1 F U D T N A 6 G 2 4 3 0 1 L 7 2 1 C C 1 2 4 L 1 1 0 1 1 1 C 0 1 1 C 0 0 1 R C 1 0 1 C 1 0 3 1 1 1 L L 1 0 2 1 2 1 C 0 0 1 L C 1 2 3 5 0 1 L C 1 0 2 7 1 1 L F R _ T A B V 5 1 1 C 7 0 1 L L 1 2 0 C 1 1 9 9 1 1 L 5 2 1 C 1 0 1 L C 1 2 0 2 1 1 C B _ X T _ 1 B _ G 3 T N A _ 0 0 1 2 S T M U B _ X T _ B L _ G 3 P _ X R _ 0 0 1 2 S T M U N _ X R _ 0 0 1 2 S T M U N _ X R _ 0 0 9 M S G _ 0 0 9 S T M U P _ X R _ 0 0 9 M S G _ 0 0 9 S T M U 1 E D O M V _ G 3 2 E D O M V _ G 3 N E _ 8 B _ G 3 N E _ 1 B _ G 3 T N A _ 0 0 9 M S G _ 0 0 9 S T M U 4 0 1 L 0 0 1 S F R 2 AC 1 G 3 G 4 6 0 1 C 5 0 1 C 5 V M O D E 1 G N D6 7 T R X 1 T R X 28 9 G N D N I F R _ B L 28 9 2 P M A R V 3 V _ 3 G 0 L T C 30 1 3 1 L T C 2 3 2 L T C 3 3 D N G V M O D E 04 G N D 2 0 2 1 G N D G N D 2 2 2 3 G N D G N D 2 4 2 5 G N D GND26 7 2 N I F R _ B H 3 1 T N A D N G 4 1 5 1 GND D N G 6 1 7 1 D N G 1 8 G N D 1 9 G N D V B A T2 1 0 1 U 1 C T L 3 4 X R T 0 1 1 1 TRX5 D N G 2 1 9 0 1 C 11 2 2 1 0 1 T N A 6 0 1 L C114 3 1 1 C 1 1 22 0 0 1 T N A 8 0 1 C 7 0 1 C 8 0 1 L U M T S 9 0 0 _ G S M 9 0 0 _ A N T

(37)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

(38)

8-4-7. GSM850/900 Tx

Check Main ant. contact & L104, C106, C107, L108 Yes

Check Output power of RFS100 ≥ 31.5 dBm ? Continuous TX ON

Check Output power at

L121≥ 11dBm ?

No

Yes

Check the Ant. switching diagram of U101

TP_ANT_SEL

No

Check GPIO control (UCP300) No

Check UCP300

Yes

CONTINOUS TX ON CONDITION TX POWER DAC:14500 CODE

APPLIED GSM850 CH : 190 GSM900 CH : 62 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm ATT. : 20dB

U101 normally is operated. Change U101

No

Yes

(39)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-39

8-4-9. DCS/PCS Tx

CONTINOUS TX ON CONDITION TX POWER DAC:14500 CODE

APPLIED DCS CH : 685 PCS CH : 661 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm ATT. : 20dB

Check Main ant. contact & L104, C1 06, C107, L108

Yes Check Output power of RFS100

≥ 28.5 dBm ? Continuous TX ON

U101 PIN 27 ≥ 8dBm ?

No

Yes

TP_ANT_SEL

No

Check GPIO control (UCP300) No

Check UCP300

Yes

U101 normally is operated. Change U101

No

Yes

(40)

4 0 1 L 0 0 1 S F R 2 AC 1 G 3 G 4 6 0 1 C 4 0 1 R 5 0 1 C C 1 1 8 0 0 1 L E S _ T N A 5 V M O D E 1 G N D 6 7 T R X 1 T R X 2 8 9 G N D N I F R _ B L 28 9 2 P M A R V 3 V _ 3 G 0 L T C 30 1 3 1 L T C 2 3 2 L T C 3 3 D N G V M O D E 0 4 G N D 2 0 21 G N D G N D 2 2 23 G N D G N D 2 4 25 G N D D N G 26 7 2 N I F R _ B H 3 1 T N A D N G 4 1 5 1 D N G D N G 6 1 7 1 GND 1 8 G N D 1 9 G N D V B A T 2 1 0 1 U 1 C T L 3 4 X R T 0 1 1 1 5 X R T D N G 2 1 9 0 1 C 6 0 1 R T R O H S F R _ T A B V 11 2 2 2 0 1 L E S _ T N A 1 0 1 T N A 6 0 1 L 9 2 1 C 1 2 1 L 4 1 1 C 3 1 1 C 2 0 1 R C 1 1 7 1 1 22 3 0 1 R 0 0 1 T N A 3 0 1 L E S _ T N A 8 0 1 C 7 0 1 C VBAT_3G 1 0 1 L E S _ T N A 8 0 1 L U M T S 9 0 0 _ G S M 9 0 0 _ A N T 1 E D O M V _ G 3 2 E D O M V _ G 3 B _ X T _ B H _ G 2 B _ X T _ B L _ G 2 T N A _ S C P _ 0 0 9 1 S T M U 2 L T C 0 L T C P M A R V _ G 2 3 L T C 1 L T C

(41)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-41

8-4-9. WCDMA Band1 (2100) Tx

_{CONTINOUS TX ON CONDITION}

TX POWER DAC:14500 CODE APPLIED WCDMA Band1 CH : 9750 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm ATT. : 20dB

Check Output power of RFS100 ≥ 20dBm ?

Continuous TX ON (target power 24 dBm)

L107, C111, C112≥ 20dBm ?

No

Yes

TP_ANT_SEL

No

Check GPIO control (UCP300) No Check U101 Yes Check L101, C110, L105 ≥ 17dBm ? Resolder or Change DUF100, L101, C110, L105 Yes No Check C125, C167

≥ 5dBm ? Resolder or Change U100, C125, C167

Yes No

(42)

8-4-10. WCDMA Band8 (900) Tx

_{CONTINOUS TX ON CONDITION}

TX POWER DAC:14500 CODE APPLIED WCDMA Band8 CH : 2788 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm ATT. : 20dB

Check Output power of RFS100 ≥ 20dBm ?

Continuous TX ON (Target power 24 dBm)

L109, C116, C121≥ 20dBm ? No No Change U101 Check L117, C127, C128 ≥ 20dBm ? Resolder or Change DUF101, L117, C127, C128 Yes No

Check C115≥ 5dBm ? Resolder or Change

U100, C115 Yes

No

Yes

TP_ANT_SEL

No

Check GPIO control (UCP300)

Yes

(43)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-43

6 1 1 C X R 8 3 X T 1 0 1 F U D 6 A N T G 24 G G 5 7 G G 9 1 X R 6 1 1 L C 1 0 0 7 G N D 8 G N D 9 G N D G N D 1 8 V C C 1 9 2 0 E D O M V V B A T T 2 0 G N D 2 1 3 1 E D O M V 4 B L _ N E V 5 VEN_HB 6 R FIN _ H B 1 1 T U O _ L P C 2 1 D N G 3 1 B H _ T U O F R 4 1 D N G 5 1 N I _ L P C 1 6 R F O U T_ L B G N D 1 7 0 0 1 U 1 B L _ N I F R 10 G N D G 3 _ T A B V 9 0 1 L 4 0 1 C 5 1 1 L 8 2 1 C 1 0 1 R G G 5 7 G G 9 X R 1 8 X R X T 3 0 0 1 F U D T N A 6 G 2 4 3 0 1 L 7 2 1 C C 1 2 4 L 1 1 0 1 1 1 C 0 1 1 C 0 0 1 R C 1 0 1 C 1 0 3 1 1 1 L L 1 0 2 1 2 1 C 0 0 1 L C 1 2 3 5 0 1 L C 1 0 2 7 1 1 L F R _ T A B V 5 1 1 C 7 0 1 L L 1 2 0 C 1 1 9 9 1 1 L 5 2 1 C 1 0 1 L C 1 2 0 2 1 1 C B _ X T _ 1 B _ G 3 T N A _ 0 0 1 2 S T M U B _ X T _ B L _ G 3 P _ X R _ 0 0 1 2 S T M U N _ X R _ 0 0 1 2 S T M U N _ X R _ 0 0 9 M S G _ 0 0 9 S T M U P _ X R _ 0 0 9 M S G _ 0 0 9 S T M U 1 E D O M V _ G 3 2 E D O M V _ G 3 N E _ 8 B _ G 3 N E _ 1 B _ G 3 T N A _ 0 0 9 M S G _ 0 0 9 S T M U

(44)

8-4-11. FM RADIO

Radio does not work

Check voltage of C224 = about 1.2V? No Check PM400 Yes Check earphone. Earphone OK? No change earphone Yes EAR500 is connected correctly?. No Yes Check EAR500 or Reconnect earjack connector

Soldering is ok? L506, L507, C519. No Yes Resolder L506, L507, C519 Soldering is ok? L215 No Yes Resolder L215 Change U204

(45)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

8-45

Z D 5 0 5 5 0 5 R 8 V 1 _ 1 R S O I D 5 0 1 3 1 5 R 0 0 5 R A E 3GND|DET 4GND|DET T E D | T F E L 6 7LEFT|DET 2MIKE T H G I R 5 Z D 5 0 6 7 1 5 R R 5 1 4 Z D 5 0 7 0 0 5 R 4 3 5 C Z D 5 0 9 7 0 5 C G S2 5 1 5 R 8 V 1 _ 1 R S O I Q 5 00 3 D 1 7 0 5 R 1 1 5 R Z D 5 1 0 2 0 5 R 5 0 5 L 8 V 1 _ 1 R S O I 7 0 5 L -N I C N5 T U O 1 VDD6 S S V 2 8 V 1 _ 1 R S O I 1 0 5 U + N I 3 4 0 2 5 C 2 1 5 R 4 0 5 L 2 1 5 C 1 0 5 R 3 0 5 R 3 0 5 L 8 V 1 _ 1 R S O I 2 0 5 L 8 0 5 R 6 0 5 C 5 0 5 C 6 0 5 R Z D 5 0 4 L 5 0 8 9 1 5 C 0 0 5 U A 1 B 3 2GND 4 Y T U O 5 C C V 5 0 6 U 6 0 5 L 8 0 5 D Z 8 0 5 C O L _ S H _ D U A S M C _ S H _ D U A T X E _ X R _ M F T E D _ D N G T E D _ R A E O R _ S H _ D U A N I _ C I M X U A N I _ K C A J T E D _ D N G N I _ C I M X U A T E D _ R A E 5 0 2 P T 7 0 2 P T 2 0 2 P T 5 1 2 L 0 0 2 I _ M F 9 0 2 P T 1 0 2 I _ M F 4 0 2 P T 6 0 2 P T 4 M 3 _ L R T C _ W S _ F R 2 _ L R T C _ W S _ F R 4 L 3 K 4 _ L R T C _ W S _ F R 4 K 5 K 0 _ L R T C _ W S _ F R 6 K C N Y S _ M C P 5 _ L R T C _ W S _ F R 5 J T U O _ M C P 6 J N I _ M C P 9 J 5 _ O I P G _ T B 0 1 K N O _ G E R _ T B 6 _ O I P G _ T B 9 H 3 _ O I P G _ T B 2 J 1 _ L R T C _ W S _ F R 3 J 6 _ L R T C _ W S _ F R 4 J 2 _ O I P G _ T B 2 1 H 4 _ O I P G _ T B 6 H K L C _ M C P 8 H 8 G 7 _ O I P G _ T B 0 1 H 0 1 G N _ T S R _ T B 1 1 D P X R _ M F 2 1 D N X R _ M F W R F _LO G E N _A _V D D1 P 2 2 1 C X T _ M F 2 1 B 2 T U O A _ M F W R F_ LN A2 G _V D D1 P 2 9 A F R _ T B

4

0

2 U

2 1 A 1 T U O A _ M F 8 0 2 P T S W _ S 2 I _ M FM_I2S_CLK F 0 3 3 4 _ X T _ N A L W _ W S 0 3 3 4 _ X R _ N A L W _ W S SW_BT_4330 0 3 3 4 _ F R _ T B N O _ G E R _ T B N _ T S R _ T B T X E _ X R _ M F N I _ M C P _ T B T U O _ M C P _ T B K L C _ M C P _ T B C N Y S _ M C P _ T B C 2 2 4 V 2 . 1 _ M F _ D D V

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8-4-12. Bluetooth

Bluetooth Function ON

Bluetooth function enabled ?

Yes

No

Check the BT_PCM TP. BT_PCM TP is ok? No Change UCP300 The voltage of C217 = about 1.2V Yes Check U400 No Yes Check C239 ≥ 5 dBm ? No

Resolder or replace U205, C239

Yes

Check the voltage of R210 = 3.3 V No Check U400 Yes Check ANT201 ≥ 3 dBm ? No Resolder or replace C228 Yes

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Confidential and proprietary-the contents in this service guide subject to change without prior notice.

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8-4-13. WiFi

WiFi Function ON

WiFi function enabled ?

Yes

No

Check the TP_WLAN.. TP_WLAN is ok?

No

Change UCP300

Check the supply voltage of L209

The supply voltage is ok? Yes Check U400 No Yes Check C254 is 26MHz Clock is ok? No Resolder or replace C254 Yes Check ANT201 ≥ 14 dBm ? No Resolder or replace C228, L240 Yes Change Rear case

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Confidential and proprietary-the contents in this service guide subject to change without prior notice.

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8-4-14. GPS

GPS function on

Check UCP300 Check the voltage of C211

= 3.3V No Check U400 Change U202 No Check U202 is ok? Yes Resolder L216, F201, L202, L201, F200, L217 GPS function is ok? Yes No

Change the rear case Repair is complete

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