8. Level 3 Repair 8-1. Block Diagram
8-1
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Level 3 Repair
8-2. PCB Diagrams 8-2-1. Top
8-2
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Level 3 Repair
8-2-2. Bottom
8-3
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Level 3 Repair
8-3. LOGIC 8-3-1. Power On Power switch on NG Connect the jig box. Check the current consum ption >= 100mA?
NO
Download
Yes Check the battery voltage >= 3.45?
NO
Change the battery
NO
Check the PMIC related to PS_HOLD
Yes Check the GPIO_2 5 of UCP300 PS_ HOLD pin is 2.6V? Yes Check the clock at OSC400 = 32KHz ?
NO Resolder OSC400
Yes
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?
NO
Check the voltage and Resolder U401
Yes check the initial operation
NO
Yes
Resolder or Replace UCP300 NO
END
Change the main PBA
8-4
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C449 C449 C44 449
U602 U 60 602 60 02 2
R411 R41 R4
R410 R410 R41 R4 C439 C439 C43 C4
C427 C427 C42 C4
C428 C428 C42 C4 428 C436 C436 C43 C4
C432 C432 C43 C4
C429 C429 C42 C4 C5 C520 C5 520 52 20
C40 C402 C40 C4 40 02 2
C416 C416 C41 C4 416
C415 C415 C41 C4 C418 C418 C4 C41
L402 L402 02
L403 L403
R3 R R309 309 30 09
L404 L404 C422 C C42 C4 422
C401 C C40 C4 401 40
C40 C400 C40 C4 400 00
L400 L400
C41 C419 C 419
C424 C424 C42
310 R3 R R310
U401 U 40 4 01
R3 R R307 30 307 30
C40 C409 C40 C4 409 09
408 408 08 C40 C408 C4
C417 C417 C41 C4
08 R3 R R308 308 308 30
L406 L406 L405 L405
L40 L401 401
R332 R332 R33
C42 C C426 426
C40 C404 C4 40 404 04
C36 C C361 361
R3 R R329 329 32 29
C330 C330 C33
C332 C332 C33
C362 C362
C45 C453 C4 453
C433 C433 C43 C4 433
ADC PVTMON TP P P PV PVTMO VTMON A D
C333 C333 C33
C331 C331 C33
C3 C322 C3 32 2 22 2
C444 C444 C4 444
TP P U UART ART TX TXD XD
R30 R300 R30 300
C34 C348 C34 348 348 48
C347 C347 C34
C325 C 325 325 32
C338 C33 338 38
UME3 UME300 ME3 ME E30 30 00 0 C301 C 301
C3 C C326 326 326 32
363 36 363 C363 C
C315 C315 C31
R32 R327 R32 32 327
R326 R326 R32
C316 C316 C31 16
C526 C526
357 C357 C
C356 C356
C 300
C302 C302
C303 C303 C30
C314 C314 C3
C30 C305 305
R305 R305
3 00 TP P EMMC EMM C D3 EM D D30 30 D300
R31 R R311 311
C313 C313
C312 C312
C310 C 310
C311 C311
R301 R301 R30
R302 R302 R30
C351 C351 C35
523 C5 C C523
522 C522 C
C5 C C531 531
R331 R331
330 R33 R R330
C335
C334
C308
C307
C306
C342
C341
C332
C331
C330
C340
C339
C329
C328
C327
C338
C326
C325
C324
C323
C322
IOSR1_1V8
SC4 C4 40 00 0 0 OSC40 O
C40 C407 C40 C4 407
C443 C443 C44 443
UCP UCP300 CP P3 300
C 437 C437 C43 C4
TP_MUS_INT T P M MU US INT
C342 C342 C34
C358
535 C5 C C535
518 R51 R R518 R5 C525 C 525
SDSR2_1V2
C441 C441 C44 C4 441
R40 R400 R4 40 400 00 0
R40 R404 R4 404 04
C40 C405 C40 C4 405 05
R40 R401 R4 401 01
C434 C434 C43 C4 434
R40 R402 R40 R4 402 402 02
C412 C412 C4
R40 R403 R4 403
C410 C410 C41 C4 C442 C442 C44 C4
C411 C411 C41 C4
R52 R523 R5 R52 523 523
C431 C431 C43
R419 R419 R41 R4
C438 C438 C43 C4
TP T P 30 3 300 0 00 0
C336 C336 C3
C440 C440 C44 C4
C320 C320 C32
341 C34 C C341
C3 C321 C3 32 21
C435 C435 C43 C4 35
TP 30 TP_301 301 01 C3 C359 C35 35 5 59 9
R409 R409 R40 R4
C318 C318 C31
6 60 00 00 Q6 Q600 Q
C319 C319 C31
C3 C337 C3 33 37
608 R60 R R608 R6
4 447 C44 C4 C447 C44
527 R52 R R527 R5
C346 C346 C34
C321
C337
C 422
C420 C4 420
R415 R415 R41 R4 L510 L510
C423 C423 C42 423
R416 R416 R41 R4 R418 R418 R41 R4
C3 C324 C3 324 32 2 24 4
R524 R R5 5 524 52 24
U400 U400
R609 R R6 6 609 60 0 09 9
C317 C317 C31 C3 C360 C36 36 60 60
R52 R R522 R5 522
R617 R617 R6 R61 C3 C335 C33 335 35 35
R520 R R5 5 520 20
R60 R R607 R6 607
R408 R408 R4 08 R521 R R5 5 521 52 21
L509 L 509
R618 R618 R6 R61
448 448 44 8 C4 C448 C C44
C44 C445 C44 C4 45 45 C3 C334 C33 334 34 34
C530 C C5 5 530 30
R60 R605 R R6 60 6 05
TP_PMU_INT_N T P PMU PMU IN NT N NT
C308 C3 C30 08
C521 C521
343 C343 C
C344 C344
C320
CSR_1V2
VR500 V R500 R5 00
U60 U U6 60 60 00 0
C3 C309 C30 30 09
C32 C323 C32 323 323
C307 C C30 3 30 07
BOO TP P BOOT BO BO OO O
C3 C327 C3 32 27
C30 C306 C3 C30 306
40 4 04 U404 U
C3 C339 C33 33 39 39
TP P PM P MU STAT3 STA TAT T3 300 00 PMU STAT300
C3 C329 C3 32 2 29 9
M PWR CLASSG TP P P PMU MU U CLA CLA AS SSG PW P W
C3 C340 C34 34 40 40
00 PC30 TP P P PM MU P C300 C3 PC300 PMU
TP2 TP205 P205 P20
BATRMB BATRM TP P P PM PMU MU B BA ATRM
R406 R406 R40 R4
R525 R R52 5 52 25
01 60 VR601 V R60 R R6 1
C3 C C355 355 35 55
614 R61 R R614 R6
R526 R R52 5 52 26
VR602 V R6 R6 60 02 02
TP P P PM MU STAT3 MU STA TAT30 PMU STAT301
TP P P PM MU PC3 P PC C3 0 C3 PC301 PMU
C60 C6 C60 08 8
R519 R519 R5 R51
R414 R41 R4
L602 L602 L6
R319 R319 R31
R3 R R323 323 323 32
C430 C C4 430
R61 R R615 R6 615
R606 R R6 6 60 06 06
R316 R316 R31
C32 C32 328 328
C3 C350 C35 35 50 50
601 60 01 01 ZD6 Z D6 D6 D60
R322 R322 R32
C3 C353 C35 35 53
C446 C446 C4 446
L607 L607
C352 C 352 35
C345 C345 345
C3 354 35 54
R318 R318 R31
R32 R320 R32 320 320
R303 R303 R30
R304
C336
C319
C318
C317
Level 3 Repair
C 417 IOSR1_1V8
C 418 SDSR1_1V2
C 419 CA M0_DOVDD
SDSR2_1V2
MMSR_1V2
C 424
SDSR1_1V2 MMSR_1V2
C333 C309
TP_PMU_PC400 TP P PM P PMU MU PC40 PC400 PC
C3 C304 C30 30 04
C40 C403 C40 C4 03
C414 C414
C413 C413 C41 C4
8-5
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Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Level 3 Repair
8-3-2. LCD Working
Power Switch On
LCD Display On?
LCD FPCB connector is co rrectly connecti ned?
NO
correctly connect NO
Yes
Yes
C619 LED_P_26V=26V?
NO Yes CHECK LCD DATALINE (LCD_SDA,SCL) Yes Replace LCD
Replace U603 & Check R619,R620,L605,L606 NO NO
&
Replace or Resolder R619,R620,L605,L606
Resolder or replace UCP300 Replace PBA
8-6
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Level 3 Repair
L600
VTOUCH_3.0VIOSR1_1V8
L601
DISP_3V0 IOSR1_1V8
R602 L CD600 A XE630124A W1 1 1 2 3 3 4 5 5 6 7 7 8 10 9 9 11 11 12 13 13 14 15 15 16 17 17 18 19 19 20 21 21 22 23 23 24 25 25 26 27 27 28 30 29 29
DIS0TE TP_MIPI_D_DP600 TP_MIPI_D_DM600
DIS0_DP1 DIS0_DM1
TP_MIPI_CL K _P TP_MIPI_CL K _N
DIS0_CP DIS0_CM
TP_MIPI_D_DP601 TP_MIPI_D_DM601
R604
TOUCH_IRQ B SC4_SDA B SC4_SCL B L _PWM L CD_RST_N L CD_VGH_14V5
TP_L CD_PWM TP_L CD_RESET_N
L ED_P_26V
L ED_N
31 32 33 34
NC NC NC NC
DIS0_DP0 DIS0_DM0
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
R603
C604
C605 C606
C601
VM B A T
L 604
L 605
L 606 C609
L ED_P_26V
C610
U603
2 3
LX GN D
VIN V OU T
FB
6 5 4
7
C611
CTRL
GND
1
B L _PWM
R620
R616
L ED_N
R619
C6 1 4
8-7
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Level 3 Repair
8-3-3. TSP
Operate TSP NG
Check TSP Connecting
NO
Reconnecting TSP
YES Check LCD Connecting
NO
Reconnecting LCD
YES Check VTOUCH_3.0V
NO
Resolder or Replace U401
NO
Resolder or Replace UCP300
NO
Replace PBA
YES Check TSP_SCL,SDA YES Replace LCD
8-8
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Level 3 Repair
8-3-4. Audio Working Speaker Working Operate speaker NG
Check Speaker Connection
NO
Change SPK
YES
Signal on in IHF_SPKOUTP & IHF_SPKOU TN?
NO
Resolder L500, L501 UCP300, U401
YES
EAR SOUND OK?
Resolder R505, R506
NO
NO
CHANGE PBA
YES
Speaker break down?
YES Change Speaker
NO Change main PBA
8-9
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Level 3 Repair
C 501 L 500
SPK 500
IHF_SPK OUTP
L 501 IHF_SPK OUTN
C5 0 3
Z D5 0 1
Z D 5 02
IOSR1_1V8
R 50 0
2 3 7 6 5 4
M IK E GND| DET L EFT|DET L EFT|DET R IG H T GND| DET
R 50 6
U 500 L 502 L 503 L 504 L 505
R5 0 5
8-10
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Level 3 Repair
Receiver Working Operate Receiver NG
Check Receiver soldering
Check C500,C504, ZD500,ZD503
Resolder HDC500
NO
Resolder or Replace C500,C504,ZD500,ZD503
YES
Receiver break down?
YES
Change Receiver
NO Check UCP300
NO
Resolder or Replace UCP300
YES Change main PBA
8-11
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Level 3 Repair
MIC Working
Operate MIC NG Pollute MIC Hole?
YES
Clean up MIC hole
NO
Signal on in VR500,C528, C529?
NO
Resoldering VR500,C528,C529
YES
MIC break down
YES
Resolder or Replace MIC
NO
Signal on in C522, C523 ?
NO Change UCP300
YES
Check Voltage of L509 Voltage is 1.8V ?
NO
YES Change main PBA
8-12
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Level 3 Repair
MICB IA S
L 509
MIC500 OU T GN D GN D PW R GN D GN D
1 2 3 4 5 6
VR500
C522 C523
C527
C 528
C529
R522
MICP1 MICN1
R5 2 3
8-13
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Level 3 Repair
Stereo Headset Working
Hands-free stereo headset NG YES Button NG?
Resolder or Replace UCP300
NO
YES MIC NG?
NO
Check U500
Check U502 YES
NO
Resoldering EAR500
YES SPK NG?
Signal on in L504, L505
NO Resolder or Replace L504, L505
YES NO
Resolder or Replace PM400
The End
8-14
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Level 3 Repair
IO SR1 _1V8 I OSR1_1V8 IOSR1 _1V8
I OS R 1_1 V 8
R500 R501
1
E A R _D E T 2 3 7 6 5 4
M IK E G ND| DE T L EF T|D ET L EF T|D ET R IG HT G ND| DE T
U 500 L 502 L 503 L 504 L 505
R506
2
A UXMIC _IN GN D _D E T
R505
3
R507
A UD _H S_ L O A UD _H S_ RO
R508
C506
R512
VDD
VSS
NC
IN+
IN-
R503
6 5 4
C505
R511
R513
ZD505
ZD510
D501 ZD507
ZD506
C507
O UT
FM_R X_EXT
C519
L 506
ZD509
C508
ZD504
C512 C534
R502
U501
EA R5 00
IOSR1_1V8
1 2
A UD_H S_CMS G ND_D ET
A
V CC
5
G ND
3 B
3 D G 1
EA R_D ET
O UTY 4
A UX MIC _I N
Q500
U 60 5
R515
2
ZD508
S
L508
R514
L 50 7
J A CK _ IN
R 51 7
C520
8-15
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Level 3 Repair
8-3-5. KEY Working
Power KEY
Press Power Key
NG Check the P/K Soldering State It is OK ?
NO Resoldering the P/K FPCB
YES
Check R610
NO
Resolder or Replace R610
YES
Re-check the P/K FPCB STATE It is OK ?
NO
Change P/K FPCB
YES Check ON_SW
Resolder or Replace
NO
UCP300
YES Change main PBA
8-16
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Level 3 Repair
PONK EYb
R610
T A C 60 2
U 6 01
3 4 5 6
S1 1 S2 2
8-17
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Level 3 Repair
Volume Key and Other Sub key
Press Volume Key and Other Sub Key
Volume Key NG?
Yes Resolder or Replace TACT600 , TACT601
NO
home Key NG?
Yes Resolder or Replace CN301, L602
Yes NO
Resolder or Replace UCP300
Yes Replace PBA
Menu&Back Key NG?
NO
GO TO 8-3-3.TSP
8-18
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Level 3 Repair
TA C600
R 600
C619
3 4 5 6
K B R(4)
C620
K B C(0)
S1 1 S2 2
TA C601 R 601
K B C(0) 3 4 5 6
K B R(1)
S1 1 S2 2
IOSR1_1V8
R 606
HOME
L 602 CN301 1 1 2 2 3 3 R609
ZD601
U 600
8-19
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Level 3 Repair
8-3-6. Vibrator Working
Operate Vibrator
NO Check
NO
Vibrator Motor
Change Vibrator Motor
Yes Check
No
D500,C502
Resolder or Replace D500,C502
Yes
VIBRA_3V0
NO
=3.0V
Check PMIC (PM400)
(C441) = 3.0V?
8-20
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Level 3 Repair
VIB RA _3V0
O_VDD SEN_3V3 USB _3V3 VIB RA _3V0 D500
C502
1 1MOT500 2 3
2 3
1 1MOT501
C4 3 9
2 2 3
C440
C4 4 1
3
8-21
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Level 3 Repair
8-3-7. T-Flash Card Working
Insert & Operate microSD card
NG YES
CD600 break down ?
Change CD600
NO YES
10thPin of SD700 = High ?
Change SD700
NO
4thPin of CD600 = 2.85V ?
NO
Resolder or Replace PM400(PMIC)
YES
Check UCP300
8-22
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Level 3 Repair
SD _ 3 V0 IOSR1_1V8
CD600
C 600
MICROSD_DA TA (2) MICROSD_DA TA (3) MICROSD_CMD
ECT
MICROSD_CL K MICROSD_DA TA (0) MICROSD_DA TA (1) SD_CA RD_DET_N C602 C 603
1 2 3 4 5 6 7 8 9 10 11 12 13 14
D A T2 CD|DA T3 C MD VDD CL K D A T0 D A T1 S WT D ET GND GND GND GND
8-23
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Level 3 Repair
8-3-8. SIM Card Working
Insert & Operate SIM card
NG
NO
SIM Connector Break down?
Change SIM500
YES
No
C510, C511 = 3.0V
Check PM400(PMIC)
YES
Resolder SIM500
Yes
No Check data,clk,reset line
Resolder or Replace PM400
Yes
Change PBA
8-24
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Level 3 Repair
SIM1L DO_VDD
SIM2L DO_VDD
R509
R510
SIM501
SIM2_DA TA
8 9 10 11 12 13
C518
C515
C513
GND GND GND GND GND GND
SIM2_RST SIM2_CL K
C517
SIM1_DA TA
C514
SIM500
1 2 3 5 6 IO 7
8 9 10 11 12 13
C510
GND GND GND GND GND GND
VCC RST CL K GND VPP
SIM1_RST SIM1_CL K
C516
1 2 3 5 6 IO 7
C511
VCC RST CL K GND VPP
8-25
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Level 3 Repair
8-3-9 CAMERA Working
Operate CAMERA NG
Camera connector is connected correct?
NO Re-connect
Yes
C615 = 1.8V C616 = 1.25V C617 = 2.8V
NO Check PM400(PMIC)
Yes
CAM0_CLK (R614) = 26 MHz ?
NO Change UCP300
Yes
Re-assy or replace the came ra module
8-26
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Level 3 Repair
CA M_2V8 CA M0_DOVDD CA M0_1V8
L 603
CA M600
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
TP_B SC1_SCL TP_B SC1_SDA
B SC1_SCL B SC1_SDA
R 614 3M_CA M_MCL K
CA M0_XCL K C608
TP_CA M0_PWDN CA M0_PWDN
CSI20_M_CP CSI20_M_CM CSI20_M_DM0 CSI20_M_DP0
3M_CA M_MCL K
TP_CA M0_RSTN
C615
C 616
CA M0_RSTN
C6 1 7
8-27
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Level 3 Repair
8-4-1. GSM850 Rx
Continuous Rx ON Channel : 190 CH Cell power : -60dBm
U101 PIN13 ≥ -65dBm? (C108, 109 using spectrum ana lyzer)
No
Resolder C108, 109 or RFS100 Check RFcable
Yes
U101 PIN7, C122 ≥ -68dBm?
No
Check the U101`s Ant. selection diagram
No
Yes Check Main chip(UCP300)
Yes Resolder C122 or Change U101
No
F100 PIN3, 4 L113, L118, L114 ≥ -75dBm?
Resolder L113, L118, L114 or Change F100
Yes
Change U101
8-28
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Level 3 Repair
8-4-2. GSM900 Rx
Continuous Rx ON Channel : 37 CH Cell power : -60dBm
U101 PIN13 ≥ -65dBm? (C108, 109 using spectrum ana lyzer)
No
Resolder C108, 109 or RFS100 Check RFcable
Yes
U101 PIN8, C111, C112, L107 ≥ -68dBm?
No
Check the U101`s Ant. selection diagram
No
Yes Check Main Chip(UCP300)
Yes Resolder C111 or Change U101
No
DUF100 PIN8,1 L100, L103, C104 ≥ -75dBm?
Resolder L100, L103, C104 or Change DUF100
Yes
Change U101
8-29
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Level 3 Repair
8-4-3. DCS Rx
Continuous Rx ON Channel : 698 CH Cell power : -60dBm
U101 PIN13 ≥ -65dBm? (C108, 109 using spectrum ana lyzer)
No
Resolder C108, 109 or RFS100 Check RFcable
Yes
U101 PIN10, C133 ≥ -68dBm?
No
Check the U100`s Ant. selection diagram
No
Yes Check Main chip(UCP300)
Yes Resolder C133 or Change U101
No
F103 PIN8,9 C130, C132, L122 ≥ -75dBm?
Resolder C130, C132, L122 or Change F101
Yes
Change U100
8-30
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Level 3 Repair
8-4-4. PCS Rx
Continuous Rx ON Channel : 661 CH Cell power : -60dBm
U101 PIN13 ≥ -65dBm? (C108, 109 using spectrum ana lyzer)
No
Resolder C108, 109 or RFS100 Check RFcable
Yes
U100 PIN10, C133 ≥ -68dBm?
No
Check the U100`s Ant. selection diagram
No
Yes Check Main chip(UCP300)
Yes Resolder C133 or Change U101
No
F101 PIN6,7 C134, C136, L124 ≥ -75dBm?
Resolder C134, C136, L124 or Change F101
Yes
Change U101
8-31
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
1
G 4 G 3 A 2 C 1
RFS100
A NT100
C 1 07
VB A T_3G
L 10 4
1
C 10 8 2
2
C1 0 9
C113
C 10 5
C 10 6
VB A T_RF
C114
L 1 06
1 2
UMTS900_GSM900_ANT
A NT101 1 2
5 G 4 O UT L 113
R X _G S M 850 _P
2 G IN
C122
3G_VMODE2 3G_VMODE1
1
O UT
3
L 112
C 126 L 11 4
L 118 10 11 12 13 14 15 16 17
C 130
R104 C131
L 122
10 5 4 3 2
C 1 33
G G G G G 9
C 132
R X_ D CS 18 0 0_ N
8
U M TS 1 900 _P C S _ R X _P
U MT S1 9 00 _ PC S_R X _N
A NT_SEL 100 A NT_SEL 101 A NT_SEL 102 A NT_SEL 103
33 32 31 30 29 28 27 26
CT L 3 CT L 2
R102 L 121
CT L 1 CT L 0 2G _ VR A M P
2G _ L B _T X_B
R103
C129
2G _ H B _T X_B
C 13 6
UMTS1900_PCS_A NT
OUT
IN 1
S HO RT
C135
7
OUT
6
OUT
R107 R X_ P CS 19 0 0_ N
GND CTL 2 CTL 1 CTL 0 V RA MP L B _R FI N H B _R FI N GND
OUT
R105
C 1 34 L 124
U 1 01
18 19 20 21 22 23 24 25
R X_ D C S 18 00 _ P
TR X4 TR X5 G ND A NT G ND G ND G ND G ND
GND GND GND GND GND GND GND GND
U M TS 210 0 _A N T
GND TRX2 TRX1 GND VMODE1 VMODE0 V_3G VBAT CTL3
9 8 7 6 5 4 3 2 1
F 10 0
R X _ G S M 8 50 _ N
R X _P C S 19 00 _ P
C118
C117
L 108
R106 L 12 3
SHORT
F1 0 1
S HORT
R108
R109
R110
SDSR1_1V2
IOSR1_1V8
L 128
C157
C153
C152
C151
C150
C149
C147
C148
C146
C145
RFL DO_2V7
C 1 58
C159 C160
RFL DO_2V7 C161
R113
GND
3
C 171
J8 TX _HB 2
R F_ SYS _ CL K
SY SC LK D9
TX _HB 1
A NA _S YS_CL K 1
TX _L B 1
A NA _S YS_CL K 2
H1
D10
W L B T _2 6M H Z
J1 TX _L B 2
R114
F5 A NA _SY S_E NA 2B G4 A NA _SY S_E NA 2A F6
F4 A NA _SY S_ENA 1
VDE T2
U104
A6 RX_HB 3_P
G9 SY SC L K _EN F8
A5 RX_HB 3_N
SR I_C LK
RX_HB 2_P
S RI _EN
F7
B4 B3
E7 RX_HB 2_N
SR I_D A T
R118 TP_RF_SYS_CL K EN TP_RF_SRI_CL K TP_RF_SRI_EN TP_RF_SRI_DA TA
A3 RX_HB 1_P A2
H9 RX_HB 1_N
RXD0
D2
H8 RX_L B 1_P
RXD1
C2
J9 RX_L B 1_N
RXD 2
W L A N _C L K _ R E Q
SHOR T
G5 VDE T1
U MT S2 1 00 _R X_ N U M TS 2 10 0 _R X_ P R X _D CS 180 0_ P R X _ D C S 1 8 00_ N R X _ P C S 190 0_ P R X _P CS 1 9 00_ N U M TS 9 00 _G S M 9 00 _R X_ N UM TS 90 0 _G SM 90 0 _R X_ P R X_ G SM 8 50_ N R X _G S M 85 0_ P
1 RF_ CL K _ CX 8
F9
K2
2 G _H B _T X_ B 2 G _ L B _T X_ B 3 G _ L B _T X_ B
4
OSC100
B 10
CL K _CX 8 K3
C170
3
A9 XT A L I X TA L O
3G_B 1_TX_B C169
2
C163
C162
E1
F2
J10 TX_VDD1P8
RX_VDD1P8
DIG_VDD1P8
B6
C6
B2
B7
K5
B8 RXPLL_VDD1P8
RXLO1P2_COMP
RXPLL1P2_COMP
RXVCO1P4_COMP
C10
G1 TX1P2_COMP
RX1P2_COMP
TXLO1P2_COMP
DCXO1P2_COMP
3G_B 1_EN
4
H2
D4
J4 TX_VDD2P7
RX_VDD2P7
DIG1P2_COMP
5
G10
C 1 66
TXVCO1P4_COMP
CT L 2 P OR T 3 P OR T 1
C TL 1
2 C 168
C 1 65
6 PORT2
1
3G_B 2_EN G_B 2_TX_B
C 16 4
L130
U103 r f -XM0831SH-DL 0601-NC
L129
C167
SHOR T
TP_RX_DA TA 100 TP_RX_DA TA 101 TP_RX_DA TA 102
C1
S HORT
C 172 R 117
N FC _C L K _ R E Q R F_ S Y S_C L K E N
SHORT
R F _ S R I_ C L K R F _ S R I_ E N R F _ S R I_ D A T A R X _ D A T A 3G _0 R X _ D A T A 3G _1 R X _ D A T A 3G _2
RX_L B 2_P B1
K9 RX_L B 2_N
R TX EN_T XD2 K8 RTXDA TA _T XD1
D5
J7 B G R_E XT _RES
T XD0 G6 RFS T_SL OTEN
TP_RTXEN100 TP_RTXDA TA 100 TP_TXDA TA 100 TP_100
G7
R 121
R E SE T _N
RST_N D6 A NA _TES T1
R T XE N 2G _ TX D A TA 3 G _2 R TX D A T A 2 G _T XD A T A 3 G _1 TX D A TA 3 G _0 2G_ 3 G _R FS T
TP_RESET_N
D7 A NA _TES T2 E5 VEN VP E4 VE NVN E6
NC 2
1
NC
VSS
VSS
VSS
VSS
VSS C9
K6
B9
A10
VSS J5
VSS
VSS J3
K1
G2
VSSC
VSSC
VSSC
VSSC
VSSC J6
K7
F10
H10
K10
VSS
VSSC E9
VSS
VSS
VSS J2
E2
A8
A1
B5
VSS
TE ST_M ODE
8-32
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
8-33
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
8-4-5. WCDMA Band1 (2100) Rx Continuous Rx ON Channel : 10700 CH Cell power : -60dBm
U101 PIN13 ≥ -65dBm? (C108, 109 using spectrum ana lyzer)
No
Resolder C108, 109 or RFS100 Check RFcable
Yes
U101 PIN11, L109, C121,C116 ≥ -68dBm?
No
Check the U101`s Ant. selection diagram
No
Yes Check Main chip(UCP300)
Yes Resolder L109, C121, C116 or Change U101
No
DUF101 PIN1, L111, L115, L116, L119 ≥ -75dBm?
Resolder L111, L115, L116, L119 or Change DUF101
Yes
Change U100
8-34
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
8-4-6. WCDMA Band8 (900) Rx
Continuous Rx ON Channel : 3012 CH Cell power : -60dBm
U101 PIN13 ≥ -65dBm? (C108, 109 using spectrum ana lyzer)
No
Resolder C108, 109 or RFS100 Check RFcable
Yes
U101 PIN8, C111, C112, L107 ≥ -68dBm?
No
Check the U100`s Ant. selection diagram
No
Yes Check Main chip(UCP300)
Yes Resolder C111, C112, L107 or Change U101
No
DUF100 PIN8,1 L100, L103, L102 ≥ -75dBm?
Resolder L100, L103, L102 or Change DUF100
Yes
Change U101
8-35
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
R110
SDSR1_1V2
C157
C153
C152
C151
C150
C149
C148
C147
C145
C146
RFL DO_2V7
C 15 8
RFL DO _2V7 C161
R113
C162
F2
E1
J10
TX_VDD1P8
RX_VDD1P8
DIG_VDD1P8
C6
B8
RXPLL_VDD1P8
RXVCO1P4_COMP
B2
B7
B6
RX1P2_COMP
RXLO1P2_COMP
RXPLL1P2_COMP
K5
DCXO1P2_COMP
H2
G1
C10
TX1P2_COMP
TXLO1P2_COMP
TXVCO1P4_COMP
J4
D4
G10
TX_VDD2P7
3G _B 1_E N
4
A9 XT A L I B1 0 X TA L O
3G_B 1_TX_B
J8 CL K _CX 8
C169
F9
K3
C170
3
C171
RX_VDD2P7
5
C TL 1 CT L 2 P OR T 3 P OR T 1
GND
2 C168
C1 6 6 DIG1P2_COMP
1
3G _B 2_E N
L129
C167
r f -XM0831S H-DL 0601-NC
G_B 2_T X_B
C 165
C 16 4
6
PORT2
U 103
L130
SH OR T
TX_ HB 2
S Y SC L K
TX_ HB 1
A N A _S YS_CL K 1
D9
K2
2 G_ H B _T X_ B 2 G_ L B _T X_ B 3 G_ L B _T X_ B
D1 0
H1 A N A _S YS_CL K 2
TX_ L B 1 J1 TX_ L B 2
F5 A N A _SYS _E NA 2 B G4
G5 VDE T1
A N A _SYS _E NA 2A F6
F4 VDE T2
A NA _S YS _E N A 1
U 104
A6
U M T S2 1 00 _R X_ N U M TS 2 100 _ RX _ P R X _D CS 18 00 _ P R X _D C S 1 80 0_ N R X _ P CS 19 00 _ P R X _P C S 1 90 0_ N U M TS 9 00 _G S M 9 00 _R X_ N UM TS 90 0_ G S M 900 _ RX _ P R X _G S M 85 0_ N R X _ GS M 8 5 0 _ P
RX _HB 3_P
G9 S YSC L K _E N
A5
F8 RX _HB 3_N
S R I_C L K
RX _HB 2_P
S RI _E N
RX _HB 2_N
S R I_D A T
F7
B4 B3
E7
A3 RX _HB 1_P A2
H9 RX _HB 1_N
R X D0
D2
H8 RX _L B 1_P
R X D1
RX _L B 1_N
R XD 2
C2
J9
C1 RX _L B 2_P B1
K9 RX _L B 2_N
R TX EN _T X D2 K8 RT XD A T A _T X D1
D5
J7 B G R_EXT _R ES
T X D0 G6 RFS T_S L O TE N G7
R 121
RST_ N D6 A N A _TE ST 1 D7 A N A _TE ST 2 E5 VEN V P E4 VE NV N E6
VB A T_RF
VSS
NC
NC 2
1
C9
VSS
VSS
VSS
VSS K6
B9
A10
VSS
VSS J3
J5
VSS
VSSC
VSSC
G2
K7
K1
J6
VSSC
VSSC
VSSC
VSSC E9
F10
H10
K10
VSS
VSS J2
VSS
VSS E2
B5
A8
A1
VSS
T ES T_M OD E
VB A T _3G
L 10 0
UMTS900_GSM900_RX_N
3
TX
C104
1
RX A NT 6
C 110
L 105
8
RX
L102
C102
C103
C101
C100
G G G G G
2 4 5 7 9 L 1 01
UMTS900_GSM900_RX_P
L 10 3
DUF100 UMTS900_GSM900_A NT C 111
17
C112
16
18
19
20
21
L 1 07
GND
GND
RFOUT_LB
VCC
VBATT
GND
C115
3G _ L B _T X_B
1
13 RFOUT_HB 12
VEN_L B
GND
VEN_HB
CPL _OUT
GND
GND
GND 9
8
C121
10
GND
RFIN_HB 7
R100
R 101
DUF101
L 11 1
UMTS2100_RX_N
6
C124
C120
L 10 9
11
5
C123
UMTS2100_A NT
GND
U 10 0
VMODE1 4
C119
C116
15 CPL _IN 14
VMODE0 3
6
L110
RFIN_L B 2
3G_VMODE1 3G_VMODE2 3G_B 8_EN 3G_B 1_EN
3
L 11 7
3G_B 1_TX_B
ANT
C125
1
RX
TX
L 1 15
8
L 116
G G G G G
RX
L120
2 4 5 7 9
L 11 9
UMTS2100_RX_P
C 128
C127
1
C
G
A 2
4
3
L 1 04 UMTS900_GSM900_ANT
C 10 9
C11 3 C 114
2
GND C TL 2 C TL 1 C TL 0 VR A M P L B _ R FIN H B _ R FIN GND
GND
33 32 31 30 29 28 27 26
25
24
23
GND
GND
U 1 01
GND
T R X4 T R X5 GN D A NT GN D GN D GN D GN D
18
10 11 12 13 14 15 16 17
GND 9 TRX2 8 TRX1 7 GND 6 VMODE1 5 VMODE0 4 V_3G 3 VBAT 2 CTL3 1
L 10 8
GND
2
1
GND
1
GND
L 1 06
GND
C1 06
19
C1 0 5
20
2
21
1
C 10 8 2
A NT101
22
1
C 10 7
G
RFS100
A NT100
8-36
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
8-37
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
8-4-7. GSM850/900 Tx 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
Continuous TX ON
Yes
Check Output power of RFS100 ≥ 31.5 dBm ?
Check Main ant. contact & L104, C106, C107, L108
No
Yes
Check Output power at L121 ≥ 11dBm ?
Check the Ant. switching diagram of U101 TP_ANT_SEL
No
No
Check GPIO control (UCP300)
Yes Resolder or Change U101
No U101 normally is operated.
Change U101
Yes
Check UCP300
8-38
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
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
Continuous TX ON
Yes
Check Output power of RFS100 ≥ 28.5 dBm ?
Check Main ant. contact & L104, C1 06, C107, L108
No
Yes
Check Output power at U101 PIN 27 ≥ 8dBm ?
Check the Ant. switching diagram of U101 TP_ANT_SEL
No
No
Yes
Check GPIO control (UCP300)
Resolder or Change U101
No U101 normally is operated.
Change U101
Yes
Check UCP300
8-39
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
A NT100 1
C107
G 4 G 3 A 2 C 1
RFS100
V B A T _3G
L 104
1
C108 2
2
C105
C109
C113 C106
V B A T _RF
C114
L 106
2
1 2
C117
L 108
C118
1
UMTS900_GSM900_ANT
A NT101
TRX 4 TRX 5 G ND A NT G ND G ND G ND G ND
U101
GN D C TL 2 C TL 1 C TL 0 V RA M P L B _ R FI N HB _ R FI N GN D
33 32 31 30 29 28 27 26
A NT_SEL 100 A NT_SEL 101 A NT_SEL 102 A NT_SEL 103
CT L 3 CT L 2
R102 L 121 R103
CTL 1 CTL 0 2G_VRA MP
2G_L B _TX_B 2G_HB _TX_B
C129
GND GND GND GND GND GND GND GND
10 11 12 13 14 15 16 17
GND TRX2 TRX1 GND VMODE1 VMODE0 V_3G VBAT CTL3
9 8 7 6 5 4 3 2 1
3 G _V M O DE 2 3 G _V M O DE 1
18 19 20 21 22 23 24 25
R104
UMTS1900_PCS_A NT
R106 SHORT
8-40
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
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
Continuous TX ON (target power 24 dBm)
Yes
Check Output power of RFS100 ≥ 20dBm ?
Check Main ant. contact & L104, C106, C107, L108
No
Yes
Check Output power at L107, C111, C112 ≥ 20dBm ?
No
Check the Ant. switching diagram of U101 TP_ANT_SEL
No
Check GPIO control (UCP300)
Yes
Resolder or Change U101
Yes
Check L101, C110, L105 ≥ 17dBm ?
Resolder or Change DUF100, L101, C110, L105
No
Yes
Check C125, C167 ≥ 5dBm ?
Resolder or Change U100, C125, C167
No
Check U101
8-41
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
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
Continuous TX ON (Target power 24 dBm)
Yes
Check Output power of RFS100 ≥ 20dBm ?
Check Main ant. contact & L104, C106, C107, L108
No
Yes
Check Output power at L109, C116, C121 ≥ 20dBm ?
No
Check the Ant. switching diagram of U101 TP_ANT_SEL
No
Check GPIO control (UCP300)
Yes Resolder or Change U101
Check L117, C127, C128 ≥ 20dBm ?
Yes
Resolder or Change DUF101, L117, C127, C128
Yes
Resolder or Change U100, C115
No
Check C115 ≥ 5dBm ?
No
Change U101
8-42
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
V B A T _R F
VB A T _ 3 G
L 10 0
UMTS900_GSM900_RX_N
C103
C102
3
RX TX
RX
C 104
1
A NT 6
C110
L 105
8
L102
L 1 01
C101
C100
G G G G G
2 4 5 7 9
UMTS900_GSM900_RX_P
L 10 3
DUF100 U M T S9 0 0 _ G SM 9 0 0 _ A N T
17
C 111 C 112
16
20
19
18
21
L 107
GND
RFOUT_LB
VCC
GND
VBATT
GND
C 115
1
13 RFOUT_HB 12
VEN_L B
GND
VEN_HB
CPL _OUT
C124
C120
L 10 9
11
GND
GND
C 121
10
GND
GND 8
7
9
RFIN_HB
5
C123
UMTS2100_A NT
GND
U10 0
VMODE1 4
C119
C 116
15 CPL _IN 14
VMODE0 3
6
L110
RFIN_L B 2
3G_VMODE1 3G_VMODE2 3G _B 8_E N 3G _B 1_E N
R100
R101
DUF101
L 11 1
UMTS2100_RX_N
6
3G_L B _TX_B
3
L 117
3G_B 1_TX_B
ANT
C 125
RX
TX
L120
2 G 4 G 5 G 7 G 9 G
RX
C127
1 8
L 1 15
L 119
L 116 UMTS2100_RX_P
C128
8-43
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
8-4-11. FM RADIO
Radio does not work
No Check earphone. Earphone OK?
change earphone
Yes No
EAR500 is connected correctly?.
Check EAR500 or Reconnect earjack connector
Yes No
Soldering is ok? L506, L507, C519.
Resolder L506, L507, C519
Yes No
Soldering is ok? L215
Resolder L215
Yes
No
Check voltage of C224 = about 1.2V?
Check PM400
Yes
Change U204
8-44
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
IO SR1 _1V8 IO SR1_1 V8 IOSR1_ 1V8
IOSR1_1 V8
R500 R501
1
EA R_D ET 2 3 7 6 5 4
M IK E G ND| DET L E F T |D E T L E F T |D E T R I GH T G ND| DET
U 50 0 L 50 2 L 50 3 L 50 4 L 50 5
R506
2
A UXMIC_ IN G ND_ DET
R505
3
R507
A UD_H S_L O A UD_H S_R O
R508
C512
R512
V DD
VSS
NC
IN+
I N-
R503
6 5 4
C505
R511
R513
ZD505
ZD504
ZD510
D501 ZD507
ZD506
C507
O UT
F M_ R X _ E X T
C519
L 506
C506 ZD509
C508
C534
R502
U501
E A R 500
IOSR1_1V8
2
A U D _H S _C M S
3
GN D _D E T
A
VCC
5
GN D B
3 D G 1
1
E A R _D E T
O UT Y
A UXM IC_IN
Q500
U 6 05
R515
2
ZD508
S
L508
R514
L 50 7
4
J A C K _I N
R 51 7
WRF_LNA2G_VDD1P2
TP202
H 10 B T_GPIO_2 H9
WRF_LOGEN_A_VDD1P2
C520
VDD_ FM_ 1.2V
B T_GPIO_3 H 12 B T_GPIO_4 J9
FM_I200 FM_I201
B T_GPIO_5 H8 B T_GPIO_6 G8 B T_GPIO_7 A9
TP204 TP205
B T_R F K 10
C224
FM_I2S_CL K FM_I2S_WS B T_RF_4330 B T_REG_ON B T_RST_N
B T_R EG_ON G1 0 B T_R ST_N A 12 FM_A OUT1 B 12 FM_A OUT2 C 12
FM_RX_EXT
FM_T X
L 215
D 12 FM_RXN D 11
B T_PCM_IN B T_PCM_OUT B T_PCM_CL K B T_PCM_SYNC SW_B T_4330 SW_WL A N_RX_4330 SW_WL A N_TX_4330
TP206 TP207 TP208 TP209
FM_RXP
J6 PCM_IN J5 PCM_OUT
U204
H6 PCM_CL K K6 PCM_SYNC K5 RF_SW_CTR L_0 J2 RF_SW_CTR L_1 L4 M4
RF_SW_CTR L_2 RF_SW_CTR L_3
K3 RF_SW_CTR L_4 J4 RF_SW_CTR L_5 J3 RF_SW_CTR L_6 K4
8-45
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Level 3 Repair
8-4-12. Bluetooth Bluetooth Function ON
Yes
Bluetooth function enabled ?
No No
Check the BT_PCM TP. BT_PCM TP is ok?
Change UCP300
Yes
No The voltage of C217 = about 1.2V
Check U400
Yes No Check C239 ≥ 5 dBm ?
Resolder or replace U205, C239
Yes No
Check the voltage of R210 = 3.3 V
Check U400
Yes No Check ANT201 ≥ 3 dBm ?
Resolder or replace C228
Yes Change Rear case
8-46
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
8-47
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
8-4-13. WiFi WiFi Function ON
Yes
WiFi function enabled ?
No No
Check the TP_WLAN.. TP_WLAN is ok?
Change UCP300
Yes
No
Check the supply voltage of L209 The supply voltage is ok?
Check U400
Yes No
Check C254 is 26MHz Clock is ok?
Resolder or replace C254
Yes No
Check ANT201 ≥ 14 dBm ?
Resolder or replace C228, L240
Yes Change Rear case
8-48
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
8-49
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair
8-4-14. GPS
GPS function on
No
Check the voltage of C211 = 3.3V
Check U400
Yes
No
Check U202 is ok?
Change U202
Yes
Resolder L216, F201, L202, L201, F200, L217 GPS function is ok?
Check UCP300
Yes No
Change the rear case
Repair is complete
8-50
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Level 3 Repair
V
8-51
Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
