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 = OSC400 = 32.7KHz 32.7KHz ?
NO Resolder OSC400
Yes C441(VREG_MSMC1)=1.1V? C440(VREG_MSMC2)=1.1V? C439(VREG_MSME)=1.8V? R320(VREG_MSMP)=1.8V? C426(VREG_MSMA)=2.6V?
NO
Check the voltage and Resolder PM400
Yes check the initial operation
NO
Yes
Resolder or Replace UCP300
NO
END
Change the main PBA
8-4
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Level 3 Repair
8-3-2. LCD Working
Power Switch On
LCD Display On?
LCD FPCB connector is co rrectly connecti ned?
NO
Correctly connected NO
Yes
Yes
C618 LED_P_26V=26V? NO
Yes
CHECK LCD DATALINE (LCD_SDA,SCL) Yes Replace LCD
Replace U603 & Check D600,L602,L601,L603 NO NO
&
Replace or Resolder D600,L602,L601,L603
Resolder or replace UCP300 Replace PBA
8-6
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Level 3 Repair
VPH_PWR
L601
D600
L603
L602 LED_P_26V
C617 C621
C618
U603 6
5 4
LCD_BL_CTRL
C607
R615
6 3 C
3 3 R
VIN
LX
VOUT
GND
EN
FB
4 0 3 R
1 3 R
9 1 3 R
R 3 3
2 3
LED_N
C612
9 0 3 R
1
7
0
6 0 3 R
7 3 R
C 5 3 0 7 3 0 R
R613
1 0 3 C
3 2
1 6 C
6 L
2 1 C
0 6
R615 1
7
7 C
6 1
T T T T D X R T R U P T T A T
R795 7
L4 7
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 PM400
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
Signal on in SPK_OUT_P & SPK_OUT_N?
NO Resolder ZD507,ZD508 C508,C527
YES
Signal on in L400,L401 ?
NO
Resolder L400,L401 Replace PM400
NO
Resolder or Replace UCP300
YES
Speaker break down?
YES Change Speaker
NO Change main PBA
8-9
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Level 3 Repair
Receiver Working
Operate Receiver NG
Check ZD504,ZD505, C506,C507
NO
Resolder or Replace ZD504,ZD505,C506,C507
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 C517, C525, C526?
NO
Resoldering C517, C525, C526
YES
MIC break down
YES
Resolder or Replace MIC
NO
Signal on in C519, C520 ?
NO Change UCP300
YES
Check Voltage of L505 Voltage is 1.8V ?
NO
YES Change main PBA
8-12
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Level 3 Repair
VREG_MSMP_1.8V
0 5 D Z
0 5 C 0 3 6 C
R505
0 5 R 7 0 5 C
4 6 0 6 C
HDC500 1 3 5 7 9
PROXI_INT RCV_P RCV_N
1 2 3 4 5 6 7 8 9 10 NC NCNCNC
1 1 6 C
2 4 6 8 10
11 1213 14
U C506
C507 4 0 5 D Z
5 0 5 D Z
VMIC_BIAS_1.8V
L505
1 0 E M O H
1
MIC500 POWER GND1 GND2
OUT
C722
1 2 GND 3 GND 4 OUT
7
C519 R514
C520
MIC_N
1
MIC_P
2 7 U 2 7 C
VR504
C517
C525
C526
ZD506
2 0 E M O H
C 7 2 1
1 7 C
R516 7 796 9
4 0 7 R
7
C 4
C 5 2 5
R5 4
Z 5
5 1
7
8-13
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Level 3 Repair
Stereo
Headset Working
Hands-free stereo headset NG
YES Button NG?
Resolder or Replace U503,U501
NO
YES MIC NG?
NO
Check L507
Check U503,U501 YES
NO
Reconnect HDC501
YES SPK NG?
Signal on in L500 L501
NO Resolder or Replace L500 L501
YES NO
Resolder or Replace PM400
The End
8-14
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Level 3 Repair
VREG_MSMP_1.8V
VREG_MSMP_1.8V
R508
R522
R501
U503 1
EAR_DETECT_GND
VCC
2 GND
R524
3
EAR_DETECT_EARLEFT
VREG_MSMP_1.8V
A
C539 5
B
OUTY
4
JACK_INT_N
U501 R504
6
VCC
OUT
NC
VEE
1 1
5
R507
4
R509
IN-
IN+
G
2 EAR_DETECT_MIC
3
3 D
2
S
Q500
C500
SPK_OUT_P
SPK_OUT_N
C527
C508 8 0 5 D Z
7 0 5 D Z
HDC501
EAR_DETECT_MIC EAR_DETECT_GND
L507 L502 L503
EAR_DETECT_EARLEFT
1 3 5 7 9
1 2 2 3 4 4 5 6 6 7 8 8 9 10 10 NC NCNCNC 11 12 1314
L506 L508
L500 L501
C515 C511
ZD503
0 0 5 D Z
2 0 5 D Z
9 0 5 D Z
0 1 5 D Z
C516
EARSPK_R EARSPK_L
C 51 3
C 51 4 R518
R519
7 0 5 L
Y R D P T
0 4 T N I P T
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 TACT702
YES
Check R714
NO
Resolder or Replace R714
YES Check ON_SW
Resolder or Replace
NO
UCP300
YES
Change main PBA
8-16
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Level 3 Repair
Volume Key and Oter Sub key
Press Volume Key and Other Sub Key
Volume Key NG?
Yes Resolder or Replace TAC700, TAC701, ZD700
NO
home Key NG?
Yes
Resolder or Replace R722,L701,HOME701,HOME702
Yes NO
Resolder or Replace UCP300
Yes Replace PBA
home Key LED NG?
Yes Check HOME700 is damaged
NO
Menu&Back Key NG?
GO TO 8-3-3.TSP
8-17
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Level 3 Repair
8-3-6. Vibrator Working
Operate Vibrator
NO Check
NO
Resolder Vibrator Motor
Vibrator Motor
Yes
Check
No
D500,C501
Resolder or Replace D500,C501
Yes
VDD_VIB_3.05V
NO
Check PMIC (PM400)
(C501) = 3.05V?
8-19
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Level 3 Repair
VREG_VIB_3.05V
9 1 R
R612 1
1 2
C501
1
1 0 5 C
602
ANT500 C 24
2
60
5 D 8
D500 1 2
1
ANT501
6 L
2
5 1 6 C 2 6 3 R
7 3 6 C R 6 0 7
C 3 4 0
0 0 5
1 0 5
N A
N A
360
U
6 3 R
C 3 6 9
8-20
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Level 3 Repair
8-3-7. T-Flash Card Working
Insert & Operate microSD card
NG YES
SD700 break down ?
Change SD700
NO
YES
10thPin of SD700 = High ?
Change SD700
NO
NO
4thPin of SD700 = 2.85V ?
Resolder or Replace PM400(PMIC)
YES
Check UCP300
8-21
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Level 3 Repair
VREG_MSMP_1.8V VREG_TFLASH_2.85V VREG_USIM1_3V0
R713 R708
R 70 9
R 71 0
R711
R712
SD700 1
MICROSD_DATA(2) MICROSD_DATA(3) MICROSD_CMD
2 3 4
R723
MICROSD_CLK SD_DET_N MICROSD_DATA(0) MICROSD_DATA(1)
9 1 7 R
5 6A
R715
6B 7 8 9 10
SIM1_RST SIM1_CLK
11 12 13 14
SIM1_DATA
15 16 17 18 19 20 21 22 23 24
C710
2 1 7 C
6
5
3
4
1
DAT2 DAT3 CMD VDD CLK VSS CARD_DECT DAT0 DAT1 C1 C2 C3 C4 C8 C7 C6 C5 NC NC NC NC NC NC NC NC
C709
ZD703 2
1
5 6
1 1 2 0 5 L
5 D Z
2 T
7 5 D Z
A
2 5 C
0 5 L 1
C 4 5 5
4 1 4
C 5 9
9 1 1 7 R Y D R D P T
7 1
0 4 T N I
0 0 4 T N I C M B
1 0 4 T N I P T
8-22
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Level 3 Repair
8-3-8. SIM Card Working
Insert & Operate SIM card
NG
NO
SIM Connector Break down?
Change SD700
YES
No
R719,C712 = 3.0V
Check PM400(PMIC)
YES
Resolder SD700
Yes
No
Check data,clk,reset line
Resolder or Replace PM400
Yes
Change PBA
8-23
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Level 3 Repair
VREG_MSMP_1.8V VREG_TFLASH_2.85V VREG_USIM1_3V0
R713 R708
R 70 9
R 71 0
R711
R712
SD700 1
MICROSD_DATA(2) MICROSD_DATA(3) MICROSD_CMD
2 3 4
R723
MICROSD_CLK SD_DET_N MICROSD_DATA(0) MICROSD_DATA(1)
9 1 7 R
5 6A
R715
6B 7 8 9 10
SIM1_RST SIM1_CLK
11 12 13 14
SIM1_DATA
15 16 17 18 19 20 21 22 23 24
C710
2 1 7 C
6
5
3
4
1
DAT2 DAT3 CMD VDD CLK VSS CARD_DECT DAT0 DAT1 C1 C2 C3 C4 C8 C7 C6 C5 NC NC NC NC NC NC NC NC
C709
ZD703 2
Z D 5 0 3
5 0 8
5 0 6
5 D Z
1 2 T N A
7 5 D Z
7 2 5 C
7 0 5 L
0 4 C 4
1
9 1 7 R R Y D R D D PT P P T
7
4 T I
0 0 4 T N I C M B
1 0 4 T N I P T T
T
8-24
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Level 3 Repair
8-3-9 CAMERA Working
5M CAM Operate CAMERA NG
Camera connector is connected correct?
NO
Re-connect
Yes
C601 = C603 = C602 = L600 =
2.8V 1.2V 1.8V 2.8V
NO
Check PM400(PMIC) & U602(DCDC)
Yes
CAM_MCLK (C605) = 24 MHz ?
NO
Change UCP300
Yes
Re-assy or replace the camera module
8-25
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Level 3 Repair
8-4-1. GSM850 Rx
Continuous Rx ON Channel : 190 CH Cell power : -60dBm
U100 PIN26 ≥ -65dBm? (L112 using spectrum analyzer)
No
Resolder L112 or RFS100 Check RFcable
Yes
U100 PIN19, L121, L120 ≥ -68dBm?
No
Check the U100`s Ant. selection diagram
No
Yes Check Main chip(UCP300)
Yes Resolder L121, L1120 or Change U100
No
F101 PIN6,7 L122, L128, L127 ≥ -75dBm?
Resolder L122, L128, L127
Yes
Change U100
8-27
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Level 3 Repair
8-4-2. GSM900 Rx
Continuous Rx ON Channel : 37 CH Cell power : -60dBm
U100 PIN26 ≥ -65dBm? (L112 using spectrum analyzer)
No
Resolder L112 or RFS100 Check RFcable
Yes
U100 PIN19, L121, L120 ≥ -68dBm?
No
Check the U100`s Ant. selection diagram
No
Yes Check Main Chip(UCP300)
Yes Resolder L121, L120 or Change U100
No
F101 PIN8,9 L118, C124, C125 ≥ -75dBm?
Resolder L118, C124, C125
Yes
Change U100
8-28
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Level 3 Repair
8-4-3. DCS Rx
Continuous Rx ON Channel : 698 CH Cell power : -60dBm
U100 PIN26 ≥ -65dBm? (L112 using spectrum analyzer)
No
Resolder L112 or RFS100 Check RFcable
Yes
No U100 PIN20, C115,L132
≥ -68dBm?
Check the U100`s Ant. selection diagram
No
Yes Check Main chip(UCP300)
Yes Resolder C115,L132 or Change U100
No
F103 PIN7,8 L134, C118, C119 ≥ -75dBm?
Resolder L134, C118, C119 or Change F103
Yes
Change U100
8-29
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Level 3 Repair
8-4-4. PCS Rx
Continuous Rx ON Channel : 661 CH Cell power : -60dBm
U100 PIN26 ≥ -65dBm? (L112 using spectrum analyzer)
No
Resolder L112 or RFS100 Check RFcable
Yes
U100 PIN20, L132,C115
≥ -68dBm?
No
Check the U100`s Ant. selection diagram
No
Yes Check Main chip(UCP300)
Yes Resolder L132,C115 or Change U100
No
F103 PIN8,9 L130, C120, C121 ≥ -75dBm?
Resolder L130, C120, C121 or Change F103
Yes
Change U100
8-30
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Level 3 Repair
V_BAT ANT101
RFS100 1 2
ANT100 1
1
2
2
1 2
C A G G
C103
C105
1 2 3 4
C124
RX_EGSM900_P
10 5 4 3 2 L118
9 8
C125
RX_EGSM900_N
OUT
6
L122
C108
L120 IN 1
7
RX_GSM850_P
L107
G G G G G
OUT
3 5 1 L
RX_2G_LB
OUT
L112
C106
L110
L111
C107
OUT
L121 F101
L127 L128
RX_GSM850_N
C126
C110 3 4 1 1
RFOUT_DCS_PCS
C120
RX_PCS1900_P
10 5 4 3 2 L130
9
R104
10
RFOUT_G850_EGSM
G G G G G C121
RX_PCS1900_N
9
OUT
8
OUT
7
OUT
6
OUT
C115 IN 1
RX_DCS1800_P L134
R103
C118
RX_2G_HB
ANT_SEL(2) ANT_SEL(3)
6 2
T C T C A V B V
TX_HB_IN TX_LB_IN
12 BS1 11 BS2
T N A
17 TXEN 18 VRAMP 16 MODE
U100
1 GND 2 GND 3 GND 4 GND
L132 F103
19 TRX1 20 TRX2 21 TRX3 23 TRX4
ANT_SEL(0)
TP_ANT_SEL_100
R105 GSM_PA_RAMP_P
ANT_SEL(1)
RX_2G_LB RX_2G_HB TRX_WCDMA900 TRX_WCDMA2100
C113
G G G G G G G G G G G G G G G G G G G G G G G G G G 5 6 7 8 5 2 4 5 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 1 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4
RX_DCS1800_N C119
8-31
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Level 3 Repair
8-4-5. WCDMA Band1 (2100) Rx Continuous Rx ON Channel : 10700 CH Cell power : -60dBm
U100 PIN26 ≥ -65dBm? (L112 using spectrum analyzer)
No
Resolder L112 or RFS100 Check RFcable
Yes
U100 PIN23, C122, L100, L102 ≥ -68dBm?
No
No
Check the U100`s Ant. selection diagram Yes
Check Main chip(UCP300)
Yes Resolder C122, L100, L102 or Change U100
No
F100 PIN1, L105, C102, L109 ≥ -75dBm?
Resolder L105, C102, L109 or Change F100
Yes
L150
≥
No
-75dBm?
Change U103
Yes
Check voltage L144, R111, L146, C143 = about 2.1V
No
Resolder L144, R111, L146, C143
No
Resolder C151, C154, L151 or Change F106
Yes F106 PIN3,4, C151, C154, L151 ≥ -75dBm?
Yes Change U100
8-32
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Level 3 Repair
8-4-6. WCDMA Band8 (900) Rx
Continuous Rx ON Channel : 3013 CH Cell power : -60dBm
U100 PIN26 ≥ -65dBm? (L112 using spectrum analyzer)
No
Resolder L112 or RFS100 Check RFcable
Yes
U100 PIN21, L115, C123, L114 ≥ -68dBm?
No
Check the U100`s Ant. selection diagram
No
Yes Check Main chip(UCP300)
Yes Resolder L115, C123, L114 or Change U100
No
F102 PIN1,8, C114,C116,L126 ≥ -75dBm?
Resolder C114,C116,L126 or Change F102
Yes
Change U100
8-33
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Level 3 Repair
V_BAT L100
TRX_WCDMA2100 C100
C101
L102
PAM100
F107 1
L155 1
RFOUT_W2100
OUT 4
IN
L103
2
G GG
C172
C173
3
PA_R1
2 3 5 C171
4
PA_R0
5
PA_ON_W2100
VBAT
VCC2
R FI N
CPLIN
VMODE0 VEN
6
10
R FO UT
VMODE1
TP_PA_ON_W100
F100
GND
CPLOUT GND
C122
ANT
8
L108
L105
C102
G G G G G G 2 4 5 7 8 9
CPL_B8_B1
7
RX 1
3 TX
L104
9
L154
RTR_W2100_RX
L109
6
11
R100
PWR_DET
R101
R102
V_BAT C123
PAM101 1 RFOUT_W900
L123
2 3
PA_R1 L124
4
PA_R0
5
PA_ON_W900
TP_PA_ON_W101
VBAT
VBAT
RFIN
RFOUT
VMODE1
CPLIN
VMODE0
GND
VEN
CPLOUT
L115
L114
C111
C112
TRX_WCDMA900
F102
6 ANT
10 9
L101
TX RX
8 C117
L125
WCDMA_RXP_900
1 L126 8
G G G G G
7 6
C114 RX
3
C116
WCDMA_RXM_900
2 4 5 7 9
CPL_B8_B1
GND 11
R106
VREG_MSMP_1.8V
C142 4 4 1 L
WB_MX_INM WB_MX_INP WDRXHB1 WDRXHB2 WDRXLB WPRXHBM WPRXHBP WPRXLBM WPRXLBP
M8 N8
WCDMA_RXM_2100 WCDMA_RXP_2100
J12 J13 H13 R111
M9 N9
LB_RF_OUT1 LB_RF_OUT2 RF_OM TCXO
C143
WCDMA_RXM_900 WCDMA_RXP_900
K13 WPRXSE1 M13 WPRXSE1_OUT L13 WPRXSE2 N12 WPRXSE2_OUT HB_RF_OUT1 HB_RF_OUT2 HB_RF_OUT3
L146
N11 N10
A9 A8 A7 A10 B9 M7 C1
C151
F106 RTR_W2100_RX
C152 C155
C159
L150
1
OUT IN G
RFOUT_DCS_PCS C156 RFOUT_W2100
2
OUT G 5
WCDMA_RXM_2100
3 L151 4 C154 WCDMA_RXP_2100
C158 RFOUT_G850_EGSM
RFOUT_W900 TX_ON RTR6285A_TCXO
8-34
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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 Antenna contact & L111,L110
No
Yes
Check Output power at R104 ≥ 11dBm ?
Check the Ant. switching diagram of U100 TP_ANT_SEL_100
No
No
Check GPIO control (UCP300)
Yes Resolder or Change U100
No
U100 normally is operated.
Change U100
Yes
Check UCP300
8-35
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Level 3 Repair
8-4-8. 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 Antenna contact & L111,L110
No
Yes
Check Output power at R103, C110, C126 ≥ 8dBm ?
Check the Ant. switching diagram of U100 TP_ANT_SEL_100
No
No
Yes
Check GPIO control (UCP300)
Resolder or Change U100
No
U100 normally is operated.
Change U100
Yes
Check UCP300
8-36
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Level 3 Repair
V_BAT ANT101
RFS100 1 2
ANT100 1
1
2
2
1 2
C A G G
C103
C105
1 2 3 4
L107 3 5 1 L
C126
L112
R103
9
R104
10
RFOUT_G850_EGSM
6 2
T C T C A V B V
TX_HB_IN
T N A
17 TXEN 18 VRAMP 16 MODE
TX_LB_IN
12 BS1 11 BS2
ANT_SEL(2) ANT_SEL(3)
L110
L111
C107
C106
C110 3 4 1 1
RFOUT_DCS_PCS
C108
19 20 TRX2 21 TRX3 23 TRX4
U100
TRX1
1 GND 2 GND 3 GND 4 GND
R105
ANT_SEL(0)
TP_ANT_SEL_100
GSM_PA_RAMP_P ANT_SEL(1)
RX_2G_LB RX_2G_HB TRX_WCDMA900 TRX_WCDMA2100
C113
G G G G G G G G G G G G G G G G G G G G G G G G G G 5 6
7 8 5 2 4 5 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 1 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4
C124
RX_EGSM900_P
10 5 4 3 2 L118
9 8
C125
RX_EGSM900_N
OUT
G G G G G L120
OUT
IN 1
7 6
L122
RX_GSM850_P
RX_2G_LB
OUT OUT
L121 F101
L127 L128
RX_GSM850_N
C120
RX_PCS1900_P
10 5 4 3 2 L130
G G G G G C121
RX_PCS1900_N
9
OUT
8
OUT
C115 IN 1
7
OUT
6
OUT
RX_DCS1800_P L134
RX_2G_HB
L132
C118
F103
RX_DCS1800_N C119
8-37
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Level 3 Repair
8-4-9. WCDMA Band1 (2100) Tx
CONTINOUS TX ON CONDITION TX POWER DAC:14500 CODE APPLIED WCDMA Band1 CH : 10700 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 Antenna contact & L111,L110
No
Yes
Check Output power at L100, L102, C122 ≥ 20dBm ?
No
Check the Ant. switching diagram of U100 TP_ANT_SEL
No
Check GPIO control (UCP300)
Yes
Resolder or Change U100
Yes
Check L104, L108, L154 ≥ 17dBm ?
Resolder or Change F100, L104, L108, L154
No
Yes
Check L103, C171 ≥ 5dBm ?
Resolder or Change PAM100 L103, C171
No
Check U100
8-38
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Level 3 Repair
8-4-10. WCDMA Band8 (900) Tx
CONTINOUS TX ON CONDITION TX POWER DAC:14500 CODE APPLIED WCDMA Band8 CH : 3018 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 Antenna contact & L111, L110
No
Yes
Check Output power at L115, L114, C123 ≥ 20dBm ?
No
Check the Ant. switching diagram of U100 TP_ANT_SEL_100
No
Check GPIO control (UCP300)
Yes Resolder or Change U100
Check L101, C117, L125 ≥ 20dBm ?
Yes
Resolder or Change F102 L101, C117, L125
Yes
Resolder or Change PAM101, L123, L124
No
Check L123, L124
≥ 5dBm
?
No
Change U100
8-39
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Level 3 Repair
V_BAT L100
TRX_WCDMA2100 C100
C101
L102
PAM100
F107 1
L155 1
OUT 4
IN
L103
2
G G G
C172
C173
3
PA_R1
2 3 5 C171
4
PA_R0
5
PA_ON_W2100
VBAT
VCC2
R FIN
F100 10
RFOUT
VMODE1
CPLIN
VMODE0
GND
VEN
TP_PA_ON_W100
CPLOUT GND
6 ANT
L104
9 8
C122
3
CPL_B8_B1
7
L108
RX 1
TX
L105
C102
G G G G G G 2 4 5 7 8 9
L154
RTR_W2100_RX
L109
6
11
R100
PWR_DET
R101
R102
V_BAT C123
PAM101 1 RFOUT_W900
L123
2 3
PA_R1 L124
4
PA_R0
5
PA_ON_W900
TP_PA_ON_W101
VBAT
VBAT
RFIN
RFOUT
VMODE1
CPLIN
VMODE0
GND
VEN
CPLOUT
F102 L101
3
C114 RX
TX RX
8
G G G G G 7
6
6
ANT
10 9
L115
L114
C111
C112
TRX_WCDMA900
C117
L125
2 4 5 7 9
1
WCDMA_RXP_900
L126 8 C116
WCDMA_RXM_900
CPL_B8_B1
GND 11
R106
8-40
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Level 3 Repair
8-4-11. Bluetooth Bluetooth Function ON
Bluetooth function enabled ?
No
Check TP_BT TP_BT_PCM is ok?
Change UCP300
Yes
No The voltage of C214 = about 1.8V
Check PM400
Yes No Check C206
≥ 5
dBm ?
Resolder or replace U203, C206
Yes No
Check the voltage of C238 = 3.3 V
Check PM400
Yes No Check C234
≥
4 dBm ?
Resolder or replace C234
Yes
Resolder or replace L208, C235, C216
8-41
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Level 3 Repair
VREG_MSMP_1.8V
C201
C203
C202
C200
C204 C205
C206 3 3 2 3 6 7 2 2 7 7 B C B D A F G H C G
B4 AIO1 A7
PIO0
B6
TP_BT_CLK_REQ
BT_CLK_REQ
T S O H _ D D V
BT_RF_TRX
S D A P _ D D V
BT_RF
BT_HOST_WAKE
B1
L201
PIO1 G3
F1 PIO2|CLK_REQ_OUT
FM_ANT
FM_RX
H4
TP_HOST_WAKE
H1 PIO3|CLK_REQ_IN
FM_TX_N
H6
G1 PIO4
FM_TX_P
G4
BT_PRIORITY WLAN_ACTIVE BT_ACTIVE
PIO5 D4
D6 PIO6
UART_RX
PIO7
UART_TX
E4
D7
TP_BT_TXD TP_BT_RXD
E7 UART_CTS
TP_BT_FM_PCB_DOUT TP_BT_FM_PCM_DIN TP_BT_FM_PCM_CLK TP_BT_FM_PCB_SYNC
BT_FM_PCM_DOUT BT_FM_PCM_DIN BT_FM_PCM_CLK BT_FM_PCM_SYNC
A X O O G G O X I I T N U L I D D I _ D _ D A A _ _ U M _ T A D _ D A F R D D B _ _ D D _ _ D D D T V V X D V V R D D B _ _ V V D M D F _ V D D V
G6
E6 PCM1_IN|SPI_MOSI
H7
UART_RTS
PCM1_OUT|SPI_MISO G5
H5 PCM1_CLK|SPI_CLK
SLEEP_CLK
TP_SLEEP_CLK
F5 PCM1_SYNC|SPI_CS# H3
U203
SPI_PCM#_SEL
SYS_CLK|XTAL_IN A4
PCM2_IN
R205
A5 PCM2_OUT
VREGOUT_H
PCM2_CLK
VREG_ENABLE_RST#
C6
L202
SLEEP_CLK BT_CLK
R206
VREGIN_H
B5
C211
BT_UART_RXD BT_UART_RTS BT_UART_CTS
C213
A3
B7
BT_UART_TXD
F4
RST_BT
C5 PCM2_SYNC
C2 NC
F3
D5 AUDIO_IN_L
NC
E3
E5 AUDIO_IN_R
C215
NC 1
C214
NC E2
FM_LOUT
AUDIO_OUT_L E1 AUDIO_OUT_R
T U O _ L A T X S S V
X U A _ O L _ T B _ S S V
L A S O O I B D I A D _ A D N U A A F P _ R R _ A _ G _ _ G T T I M E B B D F R _ _ _ _ _ S S S S S S S S S S V V V V V
2 NC
FM_ROUT 2 1 2 1 6 2 4 A A D C F F C
C217
C234
ANT201
C235
1
F202
VWLAN_3.3V
17
C238
L208
1 TXA_RF 2 TXB_RF
WLAN_2G_TX_N WLAN_2G_TX_P
5 RXA_RF 6 RXB_RF
WLAN_2G_RX_N WLAN_2G_RX_P
TX_BIAS BT_RF
C237
1 2
3 1 F R _ T N A
9 VC1 4 VC2 16 VC3
ANT_SEL_B ANT_SEL_C ANT_SEL_E
2
8
C216
BT_RF_TRX
D D D D D D D D D N N N N N N N N N G G G G G G G G G 9 8 5 4 2 1 0 7 3 1 1 1 1 1 1 1
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
8-4-12. WiFi WiFi Function ON
WiFi function enabled ?
No
Check the TP_WLAN.. TP_WLAN is ok?
Change UCP300
Yes
No
Check the supply voltage of C222, C223, C226, C227 The supply voltage is ok?
Check PM400
Yes No
Check C239, C240, 19.2MHz Clock is ok?
Resolder or replace C239, C240
Yes No Check C234
≥ 1 0
dBm ?
Resolder or replace C234
Yes Resolder or replace L208, C235, C216
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
VREG_MSMP_1.8V
C201
C203
C202
C200
C204 C205
C206 3 3 2 3 6 7 2 2 7 7 B C B D A F G H C G
B4 AIO1 A7
A N A _ D D V
PIO0
B6
TP_BT_CLK_REQ
BT_CLK_REQ
BT_RF_TRX
S D A P _ D D V
B1
BT_RF
L201
PIO1
F1
PIO2|CLK_REQ_OUT
TP_HOST_WAKE
H1 PIO3|CLK_REQ_IN
FM_TX_N
PIO4
FM_TX_P
H6 G4
BT_PRIORITY WLAN_ACTIVE BT_ACTIVE
G1 PIO5
D4
D6 PIO6
UART_RX
PIO7
UART_TX
E4
TP_BT_FM_PCB_DOUT TP_BT_FM_PCM_DIN TP_BT_FM_PCM_CLK TP_BT_FM_PCB_SYNC
D7
PCM1_IN|SPI_MOSI
TP_BT_TXD TP_BT_RXD
E7
UART_CTS
G6 H7
FM_ANT
FM_RX
H4
BT_HOST_WAKE
BT_FM_PCM_DOUT BT_FM_PCM_DIN BT_FM_PCM_CLK BT_FM_PCM_SYNC
G3
X O O I G I G O X T S U L I D D I T _ _ D A _ _ D M O _ T A H D U A F _ D B R D _ _ _ _ D D D V V X D D V D T D R D V D B _ _ V V D M D F V _ D D V
E6
UART_RTS
PCM1_OUT|SPI_MISO G5
H5 PCM1_CLK|SPI_CLK
SLEEP_CLK
TP_SLEEP_CLK
F5 H3
PCM1_SYNC|SPI_CS#
U203
SPI_PCM#_SEL B7
SYS_CLK|XTAL_IN
VREGIN_H
B5
R205
A4
C5
VREGOUT_H
PCM2_CLK
VREG_ENABLE_RST#
F4 PCM2_SYNC
L202
SLEEP_CLK BT_CLK
R206
A5 PCM2_OUT
C6
C211
BT_UART_RXD BT_UART_RTS BT_UART_CTS
C213
A3
PCM2_IN
BT_UART_TXD
RST_BT
C2 NC
F3
AUDIO_IN_L
NC
AUDIO_IN_R
NC
E3
C215
D5 E5 1
NC
E2
FM_LOUT
AUDIO_OUT_L E1 AUDIO_OUT_R
T U O _ L A T X S S V
X U A _ O L _ T B _ S S V
L O A O A S I I B D D _ A D N A F P U A _ R R _ A _ G _ _ G T T I M E B B D F R _ _ _ _ _ S S S S S S S S S S V V V V V
C214
2
NC
FM_ROUT 2 1 2 1 6 2 4 A A D C F F C
C217
C234
C235
ANT201 1
F202
VWLAN_3.3V
17
C237
L208
1 TXA_RF 2 TXB_RF
WLAN_2G_TX_N WLAN_2G_TX_P
5 RXA_RF 6 RXB_RF
WLAN_2G_RX_N WLAN_2G_RX_P
TX_BIAS BT_RF
C238
1 2
3 1 F R _ T N A
9 VC1 4 VC2 16 VC3
ANT_SEL_B ANT_SEL_C ANT_SEL_E
2
8
C216
BT_RF_TRX
D D D D D D D D D N N N N N N N N N G G G G G G G G G 9 8 5 4 2 1 0 7 3 1 1 1 1 1 1 1
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
8-4-13. GPS
GPS function on
No
Check the voltage of L200 = 2.7V
Check PM400
Yes
No
Check U101 is ok?
Change U101
Yes
Resolder C208, L204, F200, C242, U200, L203, F201, C209, C241, L205, L206 GPS function is ok?
Check UCP300
Yes No
Change the rear case
Repair is complete
8-45
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Level 3 Repair
VREG_RFRX_2.7V
L200
U200 1
ANT200
F201
C241
C209 1
2 2 1
2
IN
OUT
4
L203
3
GND
RFOUT
GND
VEN
RFIN
VCC
F200 C208
C242
6
1
IN
OUT
4
RX_GPS
G GG
5
GPS_LNA_ON
4
2 3 5
C210
L204
G GG 2 3 5
1 L205
L206 C212
8-46
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Level 3 Repair
8-5. Service Schematics
- NC Point(Top View) - UCP300 (
: NC )
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.
