Samsung B7732 Troubleshooting
Level
8.
Block Diagram
8-1.
Repair
3
8-1
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PCB Diagrams
8-2.
8-2-1.
Top
Level3Repair
JTAG205
U
C
2
5
0
6
6
DUF103
3
R227
L203
C
R
5
C
6
C229
2
2
2
2
3
6
0
C559
BH200
TP511
TP510
HEA500
SC502
C
C
T
R
C
C307
5
3
0
0
1
2
C303
R
5
1
8
C
3
OSC300
3
4
TP200
TP208
TP206
TP292
TP203
TP202
R222
R
1
2
2
C
1
2
6
C
1
5
2
C
1
6
5
L114
U204
TP_SDI_CLK_N
TP_SDI_CLK
TP290
TP217
U
C
P
2
0
0
C209
C227
C233
C163
C171
C
C
C
C
C
L
L
1
1
1
1
1
1
1
5
9
1
1
4
4
6
3
8
2
3
7
4
6
C149
C156
L
C150
1
1
1
L129
C
C
L
1
1
1
2
5
5
7
1
7
L130
U101
C
1
3
7
C
L
1
1
1
3
0
8
C
1
C114
L125L126
0
C
C
C
C
7
1
1
1
1
C155
9
3
9
3
3
0
2
1
L124
C191
C128
L104
C
R
R
1
1
1
7
1
1
6
8
9
C111
F
3
3
5
5
5
U408
9
8
U
5
0
9
L502
TP_106
C110
C
C
1
1
8
8
8
7
F101
C
C
R
1
1
1
7
7
2
4
5
0
C561
0
0
TP509
TP512
F
5
0
7
TP516
TP218
TP212
TP214
TP213
TP211
C202
R225
R
2
1
8
R200
C208
C225
C226
C
2
2
4
C223
C219
R236
C
1
R
6
1
9
1
C106
0
C135
C119
C115
L122L123
C
C
C
1
1
1
8
8
0
1
3
3
C
4
2
2
C423
U
4
0
9
C
R
1
1
7
2
3
1
C569
C560
R531
F
5
C351
U510
0
1
R
2
TP302
0
C342
8
C
C
C
C
C
3
3
3
3
3
4
4
4
5
5
5
7
8
7
C356
5
R334
C344
U
3
0
C354
3
C
3
5
3
L
L304
3
C
0
3
3
5
2
C201
C
2
0
0
R
2
0
1
R
2
1
7
C207
BH204
R
2
2
8
C213
C
2
C212
1
1
C214
R204
R
VR200
2
3
5
R205
C210
C217
C
2
2
8
C215
C222
BH202
C145
C148
C172
C
T
1
R
C
5
1
9
X
0
1
7
0
0
C
1
5
4
L406
C454C455
L405
ANT102
C
C
5
5
2
1
1
7
U506
C
5
BOTHHOLE1
C
R602
C613
C622 C623
C
6
0
7
C610
PAM600
L611
C611
C621
C617
C620
C
C
6
6
3
2
6
9
O
S
C
6
0
0
C
R
C
6
6
6
3
0
2
3
3
8
C711
C718 C719
R712
TP712
C730
C
7
0
6
BH203
R730
R731
R
7
1
C710
4
C712
TP714
C709
C717
R715
BH205
R716
C716
U
7
0
4
C
7
2
8
R
7
1
0
C
7
2
6
C
7
1
4
L
7
0
0
WIFI_SDATIO1
C700C701
R701
C729
TP605
R604
WIFI_SDATIN1
TP601
C
6
5
0
R
3
2
1
C
6
4
7
TP606
R
6
0
7
TP603
WIFI_ACTIVE
R
6
0
8
SPK_410
U
6
0
2
C640
C630C631
6
0
C
L
2
6
6
1
0
0
5
C601
F
6
0
1
C609
C
C
6
6
1
1
6
5
C
6
1
4
C
R
6
6
1
1
0
9
F600
L
L
6
6
0
0
9
5
L606
U600
C
6
2
7
C727
C713
U
C
P
7
0
0
TP713
TP716
TP717
UME700
TP602
C651
C
R322
6
4
8
R652
C649
C645
BT_SATATE
BT_PRIO
R606
R507
1
R
9
2
1
1
R
5
2
2
R523
C
L
6
6
0
0
1
0
C
6
1
C618
2
R
6
0
9
C
C
6
6
9
9
2
4
L603
C
C
6
6
2
2
6
5
C736 C737C740C741
TP704TP705
R711
R705
R722
R
TP715
7
1
8
TP701
TP703
TP702
TP706
TP700
C733
R320
O
S
C
6
0
1
C634
C637
C635
C646
C643
C644
TP604
C638
R
5
0
6
C515
C516
C
5
TP514
2
2
TP515
U507
R
5
1
3
R
5
1
2
C518
R510
C
C330
3
3
5
C331
R333
C
3
0
8
L
3
0
0
C
L302
3
1
7
TP220
TP291
C
3
2
4
P
M
3
0
0
C
3
0
5
C
C
C
C
C732
3
3
3
3
0
1
1
2
9
4
9
2
C720
C722
C316
C318
C
C
C
C
7
7
7
7
2
2
2
3
5
4
3
1
L
7
0
1
L702
R
7
0
C702
C705
0
C
7
C742
R
2
1
7
0
7
C703
C
7
0
8
C
C707
7
1
R
5
7
0
6
C704
R704
C218
C639
U601
R233
R605
TP216
C180
DUF101
F
1
0
0
C
1
0
9
L101
C113
C122
C121
PAM102
R101
R
1
0
C
2
1
4
3
BH201
TP513
C
C
C
C
3
3
3
3
2
1
0
0
5
5
0
1
C
3
3
3
C329
L301
C327
R304
R306
C326
C306
C328
C313
R301
C
C
C
C320
3
3
3
1
1
1
2
0
1
C204
C203
C
R
C
R232
3
7
3
2
2
1
3
1
3
R231
C
R
R
R
C
2
2
2
2
2
1
1
1
1
3
6
4
5
6
2
C
R
R202
3
3
0
0
4
0
R210
R224
TP303
TP718
C205
TP205
U
C206
3
0
0
R219
R220
TP401
C
2
2
1
U207
C
R
2
2
2
2
0
1
R103R104
C125
C139
P
A
M
L195
1
0
3
C140
C
1
2
7
C168
C136
U
C144
1
0
4
C199
C197
C196
U
1
0
C134
3
C182
L139
C
1
3
C124
3
L108
C123
D
U
F
1
C
L
0
1
2
1
0
0
7
8
Z
Z
C
C
D
D
4
4
4
4
3
3
0
0
7
8
1
0
L
L
4
4
0
0
3
4
L507
MOT_500
L
5
0
3
8-2
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This Document can not be used without Samsung's authorization
Level3Repair
8-2-1.
Bottom
1
0
5
A
E
H
0
7
1
5
1
C
5
U
R533
ZD505
ZD507
ZD504
1
0
5
U
0
0
5
R
0
0
1
5
0
8
5
C
0
C
5
L
R536
4
R505
0
5
U
R501
9
0
5
L501
R502
U502
5
2
5
R
TP502
C
C510
4
3
2
R
R514R515R516
2
0
5
C
6
3
6
5
5
5
C
7
C
6
5
C
TP508
U503
4
5
5
C
L504
TP503
TP505
TP504
TP506
F502 F503 F504
SIM300
8
6
3
3
3
3
C
C
ZD506
C558
6
5
0
0
5
5
L
L
2
4
5
3
2
3
1
5
5
5
R
R
C
3
2
0
0
5
5
D
D
Z
Z
1
0
8
7
7
4
4
0
3
0
3
3
3
3
3
C
C
R
C
R
0
1
0
5
3
C
T
A
B
0
1
2
1
5
5
C
R
6
2
5
C332
R
9
3
3
C
SIM301
4
0
0
0
6
6
L
C
0
1
0
0
6
6
T
T
N
N
A
A
0
0
6
S
F
R
TP215TP219
MASTER_JT AG_PAD
CN500
L410
L411
0
0
4
C
F
I
1
0
1
T
N
A
C571C572
C350
R318
5
0
5
F
1
6
1
0
4
5
U
F
C424
0
9
1
0
C427
4
4
R
R
9
2
1
3
1
1
4
4
4
0
C
R
R
0
4
D
L116
1
8
6
5
1
1
C
C
0
2
2
0
1
1
L
C
7
6
1
C
C162
C179
L121
RFS100
8
4
0
3
7
3
2
3
1
1
1
1
L
L
L
C
0
0
1
T
N
A
C457
U304
L409
L408
C456
TXD1
C459
2
0
3
U
3
C428
TP_PDNn
PAM104
C118
8
4
0
3
4
C
R
5
6
4
1
1
1
2
3
3
3
3
R
3
R
R
R
TP_105
TP_104
C129
2
1
1
C
6
6
1
C
2
3
1
C
2
1
1
R
TP101TP102
R417R418
C461C462
C413
C414
U406
R405
R406
8
6
5
1
4
4
C
C
C460
L204
U711
C234
4
0
1
R237
C
1
0
1
6
C
1
1
C
7
1
1
C
C142
C141
C434C435 C436
C433
C409
U407
R403
R400
3
5
C410
C431
5
0
1
U
0
1
7
U
C102
1
0
1
M
A
P
4
C
C451
L401
3
7
1
0
4
4
L
R
C408
C404
3
5
C452
2
0
C406
1
2
L
R
C105
R720
9
R100
0
3
R719
R
R721
R717
ZD300
R312
R311
C346
L137
0
D301
6
1
C
R317
C194
R106
R105
SLAVE_JTAG _PAD
RF_DATA
5
8
1
1
4
4
R
C
4
2
0
0
4
4
L
R
BTC500
0
0
3
D
C
C511
R509
8
0
5
R
1
0
5
C514
D
C564
4
0
6
T
N
A
0
3
1
1
3
3
R
R
8-3
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This Document can not be used without Samsung's authorization
Troubleshooting
8-3.
Level3Repair
8-3-1.
Power ON
Power On' does not work
'
bat Voltage
V
Check the voltages.
C329,C323
C330,C317
C319
3.3
≒
OSC300
Freq
= 32.768
≒
V,C314
Yes
Yes
>=3.3V
Yes
1.8
1.2V
≒
≒
Yes
KHz?
V,
2.6
V?
No
No
No
Charge the Battery
Resolder or change PM300
Resolder or change OSC300
Change MAIN PBA.
Yes
END
8-4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
VBAT
VDD_RF_DIG_1.8V
RF3G_VDD_RF4_1.5V
C335
VDD_MEM_CARD_3.0V
VDD_IO_LOW_1.8V
VDD_LCD_3.0V
VDD_KEY_3.3V
VDD_WIFI_3.3V
VDD_IO_3.3V
VDD_BT_3.3V
VDD_ANALOG_LOW_1.2V
WIFI_VDD_1.2V
VDD_IO_LOW_1.8V
C329
VBAT
VDD_GSM_CORE_1.2V
C330
R321
R322
VDD_CORE_2_1.2V
C331
2
3
0
0
0
3
C
1
3
0
0
3
C
3
C
C
R301
R320
3
9
5
0
3
C
R333
2
2
3
C
LCD_PWM
DYN_VOLT_CTRL1
DYN_VOLT_CTRL2
L300
L301
L302
32KHZ_DIGIT
3G_REF_ON
3
2
3
C
REF_ON
SIM_OFF
5
4
1
2
3
3
C
C
J2
GPIO1
J3
GPIO2
J6
GPIO3
H7
GPIO4
H6
GPIO5
J5
GPIO6
D2
GPO1
D3
GPO2
G2
DCD1FB
G1
DCD1LX
F2
DCD2FB
E1
DCD2LX
K3
DCD3FB
K2
DCD3LX
H5
CLK32K
A4
OSCI
A3
OSCO
K4
PWREN1
J4
PWREN2
H4
PWREN3
C8
USIM_ACT
B9
USIM_PRES
0
0
0
0
9
7
6
8
8
3
1
1
1
1
A
K
K
H
F
G
J
K
A
G
D
D
D
D
D
D
D
N
N
N
I
I
I
D
D
D
D
D
D
D
V
V
V
V
V
V
V
V
V
V
2
3
4
4
6
3
1
2
5
7
D
D
D
D
D
D
D
D
D
D
1
D
D
N
D
D
D
G
_
N
N
N
2
G
G
G
1
2
3
1
O
D
D
I
D
P
C
C
C
D
G
D
D
1
1
1
1
J
F
D
K
0
0
0
0
0
2
8
9
8
8
3
2
1
9
1
1
1
1
C
A
K
K
F
D
H
H
H
F
B
C
D
D
N
N
N
N
D
D
D
D
N
N
N
D
I
I
I
I
I
I
I
D
D
D
D
D
D
V
V
V
V
V
V
V
V
V
V
V
V
V
6
2
1
3
C
O
O
_
1
2
I
D
7
5
D
D
3
C
O
D
D
D
P
H
I
S
F
F
F
H
C
C
C
G
A
R
R
R
I
D
D
D
B
_
C
I
M
PM300
D
N
G
F
S
S
S
S
S
S
S
S
S
S
S
E
S
V
R
7
4
5
A
D
D
S
S
S
S
S
S
S
S
S
S
S
S
V
V
V
V
V
V
V
V
V
V
V
6
3
4
5
6
7
8
4
5
6
E
E
E
E
E
E
F
F
F
D
0
1
1
5
5
1
9
9
9
7
1
1
J
B
C
A
K
A
D
E
G
E
H
2
1
E
S
N
N
N
N
D
D
D
V
4
F
R
S
S
V
7
F
C
I
I
I
I
T
T
S
U
D
C
V
V
V
V
A
A
N
V
B
V
_
_
B
M
B
B
E
2
4
I
V
B
S
V
V
S
F
F
S
S
U
_
R
R
U
U
1
3
F
F
R
R
S
S
S
S
S
S
V
V
V
4
5
6
G
G
G
A2
T
A
VCHG1
B
B2
V
VCHG2
B8
VHIGH
B6
VINT1
B7
VINT2
C7
INT_N
C5
REC_N
D7
EXTON_N
C3
ONKEY_N
G3
RSTHC_N
C4
ATBOUT
C9
OTPVPP
B4
CCSET
A6
REFC
B3
SCUSB
F8
SCL
C6
SDA
B5
VSAVE
E2
VPAD
H9
NC
J8
NC
J9
NC
1
NC
2
NC
S
S
V
7
G
6
1
3
C
0
7
1
3
C
OSC300
C333
8
1
3
C
BT_CLK_REQ
21
9
1
3
C
C334
1
2
2
3
3
C
C
VDD_LCD_3.0V
VDD_IO_LOW_1.8V
8
0
0
7
6
0
3
C
C326
3
3
0
3
C
C
C
INT_PMU
KEY_POWER_ON
RSTON_PMU
R306
C328
VDD_IO_LOW_1.8V
2
0
1
1
1
3
3
C
C
R304
AUX_ON
USB_SUSPEND
SCL
SDA
BAT300
C332
1
3
C
V_EXT_CHG_5V
4
1
1
3
3
C
C
C325
C327
VDD_ANALOG_3G_2.6V
VDD_IO_HIGH_2.6V
VDD_ANALOG_HIGH_2.6V
MIC_BIAS_2.15V
RF2G_VDD_RF1_2.8V
RF2G_VDD_RF2_2.8V
RF3G_VDD_RF3_3.0V
RF2G_VDD_RF4_3.0V
VDD_USB_3.3V
VBAT
+SIMVCC_M
MASTER PMU
C737
C
3
0
8
C
3
1
7
TP220TP291
C
3
2
4
C
3
0
5
C732
C720
C722
L
7
0
1
C
3
1
9
C316
C330
C331
L
3
0
0
C
7
2
3
C
C
3
3
2
0
5
C
3
3
5
1
R333
C329
TP513
C
C
C
3
3
1
0
5
0
C
3
3
3
3
0
2
C307
C303
OSC300
C
3
3
4
TP200
L302
L301
TP208
C327
TP206
R304
TP292
R306
P
M
3
0
0
C326
C306
TP203
TP202
C328
C313
C
C
C
3
3
3
0
1
2
9
4
2
C
C
3
3
1
1
1
0
C318
C
C
C
7
7
7
3
2
2
1
5
4
L702
C
R
3
7
2
1
3
3
C
2
3
2
R301
C
C320
3
1
2
C204
C203
C
R232
3
2
1
R231
R
R
R
2
1
4
C
2
2
2
1
1
1
6
5
6
8-5
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-3-2.
Main/Sub LCD
Abnormal Main LCD working
Check the connection between
LCD module and MAIN PBA.
Check the voltage at C563
and C329
Check component soldering status
at LCD filter F502,F503 and F504
>= 1.6 V ?
Yes
Yes
Yes
>= 2.8V
No
No
No
Reconnect the components
Resolder or change PM300
Resolder or change the components
Yes
Change LCD module or MAIN PBA
Yes
END
8-6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
RCV_N_M
LCD_S_VSYNC
R524
2
0
5
D
Z
VT_CAM_2.8V_A
VT_CAM_IO_1.8V
8
5
5
C
HEA501
11
2
L505
SUBMIC_P
TS_Y-
C512
TS_Y+
LCD_DF(0)
LCD_DF(2)
LCD_DF(4)
LCD_DF(6)
LCD_DF(8)
LCD_DF(10)
LCD_DF(12)
LCD_DF(14)
LCD_CS_F
LCD_RESET_F
MAIN_LCD_LED-
SUB_LCD_LED-
VDD_LCD_3.0V
SVC_LED1_N SVC_LED2_N
Y(7) Y(6)
Y(5) Y(4)
Y(3) Y(2)
CAM_MCLK_VGA
CAM_VGA_STBY
Y(1) Y(0)
CAM_VSYNC_F
CAM_SCL CAM_SDA
C563
4
33
6
77
8
10
99
11 11 12
13131414
15 15 16
17171818
19
20
19
21
22
21 22
23 24
23
25
26
25 26
27 28
27
29
30
29
313232
31
333334
353636
35
373738
40
39
39
414142
434444
43
454546
48
47
47
495550
49
51
52
51 52
54
53
53
55
56
55 56
57 58
57
59
60
59
62
61
61
63
64
63 64
65 66
65
67
68
67 68
69
70
69
2
4
6
8
10
12
16
20
24
28
30
34
38
40
42
46
48
50
54
58
60
62
66
70
L506
SUBMIC_N
LCD_ID_F
TS_XÂTS_X+
LCD_DF(1)
LCD_DF(3)
LCD_DF(5)
LCD_DF(7)
LCD_DF(9)
LCD_DF(11)
LCD_DF(13)
LCD_DF(15)
LCD_WR_F
LCD_RD_FLCD_RS_F
SLCD_CS_F
MAIN_LCD_LED+_18V
SUB_LCD_LED+_15V
CAM_VGA_RST
CAM_HSYNC_F
CAM_PCLK_VGA
R535
C513
VDD_IO_LOW_1.8V
VT_CAM_1.8V
RCV_P_M
LCD_M_VSYNC
R526
3
0
5
D
Z
SLCD_RESET_F
VBAT
9
5
5
C
C562
VDD_RF_DIG_1.8V
VDD_IO_LOW_1.8V
RF3G_VDD_RF4_1.5V
C335
C329
LCD Connector
VDD_CORE_2_1.2V
VDD_GSM_CORE_1.2V
C331
C330
BT_CLK_REQ
OSC300
C333
VDD_LCD_3.0V
VDD_IO_LOW_1.8V
21
C334
LCD_PWM
R333
DYN_VOLT_CTRL1
DYN_VOLT_CTRL2
L300
L301
L302
32KHZ_DIGIT
REF_ON
3G_REF_ON
SIM_OFF
J2
J3
J6
H7
H6
J5
D2
D3
G2
G1
F2
E1
K3
K2
H5
A4
A3
K4
J4
H4
C8
B9
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPO1
GPO2
DCD1FB
DCD1LX
DCD2FB
DCD2LX
DCD3FB
DCD3LX
CLK32K
OSCI
OSCO
PWREN1
PWREN2
PWREN3
USIM_ACT
USIM_PRES
PM300
MASTER PMU
8-7
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
F503
16
1
F1
LCD_D(1)
LCD_D(3)
LCD_D(5)
LCD_D(7)
LCD_D(9)
LCD_D(11)
LCD_D(13)
LCD_D(15) LCD_DF(15)
F1
15
F2
14
F3
13
F4
12
F5
11
F6
10
F7
9
F8
GND
LCD_DF(1)
2
F2
LCD_DF(3)
3
F3
LCD_DF(5)
4
F4
LCD_DF(7)
5
F5
LCD_DF(9)
6
F6
LCD_DF(11)
7
F7
LCD_DF(13)
8
F8
17
F504
16
LCD_D(0)
15
LCD_D(2)
14
LCD_D(4)
13
LCD_D(6)
12
LCD_D(8)
11
LCD_D(10)
10
LCD_D(12)
9
LCD_D(14) LCD_DF(14)
0
0
5
R
0
0
1
5
0
5
C
C
R536
4
0
5
U
L501
C510
R502
R514R515R516
TP513
1
F1
F1
LCD_DF(0)
2
F2
F2
F3
F4
F5
F6
F7
F8
GND
1
0
5
U
8
0
5
L
R505
R501
9
0
5
C
4
3
2
R
LCD_DF(2)
3
F3
LCD_DF(4)
4
F4
LCD_DF(6)
5
F5
LCD_DF(8)
6
F6
LCD_DF(10)
7
F7
LCD_DF(12)
8
F8
17
TP502
TP503
TP505
TP504
TP506
ANT102
LCD_ID
LCD_RESET
LCD_RD
LCD_RS
LCD_WR
LCD_CS
SLCD_RESET
SLCD_CS
1
0
5
A
E
H
F502 F503 F504
U
C
2
5
0
6
6
3
R227
L203
R
C
C229
2
2
2
3
6
0
C559
F502
17
D
N
F8
G
9
F7
10
F6
11
F5
12
F4
13
F3
14
F2
15
F1
16
7
8
6
0
3
3
3
3
3
R
C
C
C
5
6
2
LCD_ID_F
F8
8
TP502
LCD_RESET_F
F7
7
LCD_RD_F
F6
6
TP503
LCD_RS_F
F5
5
TP504
LCD_WR_F
F4
4
TP505
LCD_CS_F
F3
3
SLCD_RESET_F
F2
2
TP506
SLCD_CS_F
F1
1
0
7
1
5
1
C
5
U
R533
ZD505
ZD507
ZD504
ZD506
C558
6
5
0
0
5
5
L
L
3
2
4
5
1
1
2
3
5
5
5
5
C
C
R
R
2
3
0
0
5
5
0
1
D
D
2
1
Z
Z
5
5
C
R
6
2
5
R
1
0
8
9
7
4
4
0
3
3
3
3
3
3
3
C
C
R
C
C
BH200
C
C
5
5
1
2
7
1
U506
C
5
1
9
R
5
2
2
C
5
2
2
R
5
1
3
R
5
1
2
R
2
1
1
C516
R523
TP514
TP515
U507
R510
C518
C
C330
3
3
5
C331
R333
L
3
0
0
L302
TP513
C
C
3
3
2
0
5
1
C
C
C
C307
3
3
3
0
0
1
2
0
5
C303
C
3
OSC300
3
3
C329
L301
SC502
C
T
3
R
5
5
U408
8
0
1
R
5
U
1
5
8
0
C
9
3
3
4
TP200
TP511
TP510
HEA500
C
F
3
5
5
C561
9
0
0
TP509
TP512
F
5
0
7
TP516
TP218
R
2
0
8
C
3
5
5
C569
C560
R531
F
5
C351
U510
0
1
TP302
C342
C
C
C
C
3
3
3
3
4
4
4
5
7
8
5
7
C356
8-8
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-3-3.
SIM Part
Insert SIM is displayed on the LCD
"
Yes
Check the SIM connector's
connection to SIM card
Yes
Check component soldering
if master SIM has problem
if slave SIM has problem
status
Check R307,C337,C338,
Check R308,C340,C341
Master SIM connector is SIM300,
Slave SIM connector is SIM301.
No
Resolder or change SIM connector
No
Resolder or change the components
Yes
Check the voltage
C338,C341
Check component soldering
Check the UCP300 and UCP700
Replace if required.
>= 2.8V ?
Yes
status U300
Yes
Yes
END
No
No
Resolder or change PM300,
Replace if required.
Resolder or change U300
Replace if required.
8-9
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
SIM1
[MASTER]
SIMIO_1
SIMRST_1
SIMCLK_1
VDD_IO_3.3V
6
3
3
C
R300
C304
SIMVCC_1_3.0V
SIMCLK_S
SIMCLK_M
SIMRST_S
SIMRST_M
+SIMVCC_S
+SIMVCC_M
SIMCLK_M
SIMCLK_S
SIMRST_M
SIMRST_S
+SIMVCC_M
+SIMVCC_S
R307
C337
SIMIO_S
SIMIO_M
SIMIO_M
SIMIO_S
C338
22
5
SIM2
SIM300
6
11
6
5
5
4
33
4
G89GG
G
10
7
SIMRST_2
SIMCLK_2
SIMIO_2
[SLAVE]
SIMVCC_2_3.0V
9
3
3
C
R308
SIM301
6
6
11
33 4
C341
C340
5
5
22
4
G78GG
G
910
U300
C2
VCC
A1
1S1
A3
1S2
B1
2S1
B3
2S2
D1
3S1
D3
3S2
E1
4S1
E3
4S2
A6
5S1
A4
5S2
B6
6S1
B4
6S2
D6
7S1
D4
7S2
E6
8S1
E4
8S2
SEL1-2
SEL3-4
SEL5-6
SEL7-8
A2
D1
B2
D2
D2
D3
E2
D4
A5
D5
B5
D6
D5
D7
E5
D8
C1
C3
C4
C6
C5
GND
1
NC
2
NC
SIMIO_1
SIMCLK_1
SIMRST_1
SIMVCC_1_3.0V
SIMIO_2
SIMCLK_2
SIMRST_2
SIMVCC_2_3.0V
TP303
SIM_SEL
6
2
5
TP502
TP503
TP504
F502 F503 F504
TP505
TP506
SIM300
TP215TP219
7
6
7
8
3
3
0
3
3
3
3
3
C
C
R
C
R
9
8
1
0
3
0
4
4
3
3
3
3
C
R
C
C
C332
SIM301
8-10
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-3-4.
Microphone Part
Check main microphone function in voice call
receiver mode
Check the Voltage at
C406
Check component soldering
L502,C571,C572
Check component soldering
status at U407?
>= 1.9V ?
status at
No
Yes
Yes
No
No
No
Resolder or change PM300,
Replace if required..
Resolder or change the components
Resolder or change the U407.
Yes
Change the KEY PBA or Main PBA
Yes
END
8-11
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
MIC_BIAS_2.15V
Level3Repair
SUBMIC_P
SUBMIC_N
MIC_P
C452
C571
MIC_BIAS_2.15V
L502
C404
L407
L402
L401
C451
VDD_KEY_3.3V
C453
C572
C406
R404
CN500
1
1
2
3
3
4
5
7
9
11
13 14
15
17 17 1818
19
5
7
9
111212
13
15 16
19
C
C
N
N
1
2
2
2
6
8
10
14
20 20
C
C
N
N
4
3
2
2
R400
R413
EARMICPUSB_MIC
SUBMIC_F_P
SUBMIC_F_N
KEY_ROW(0)
KEY_ROW(1)
2
4
6
8
10
16
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
KEY_ROW(5)
KEY_POWER_ON
SUBMIC_F_P
Near A_Switch
SUBMIC_F_N
MIC_BIAS_2.15V
R403
C409
EARMICP
Near A_Switch
EARMICN = GND
R415
MIC_SEL
C418
1
2
3
4
1S2
1-2IN
2S1
D2
8
1
1
1
2
C
C
N
N
1
1
1
1
2
1
1
C
S
S
D
C
1
4
V
4
3
5
6
7
D4
4S1
3-4IN
3S2
D
2
1
N
3
S
S
G
D
3
2
5
7
8
6
C433
AUXMIC_N_M
2
1
1
1
0
1
9
C436
C435
C434
100nF
AUXMIC_P_S
U407
8-12
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
AUXMIC_N_S
AUXMIC_PATH_SEL
AUXMIC_P_M
Level3Repair
CN500
P718
P205
P401
R222
L410
L411
C209
TP_SDI_CLK
C424
0
1
4
R
C227
5
0
5
F
6
0
5
F
TP_SDI_CLK_N
9
0
4
R
C427
0
0
4
D
TP217TP290
U
C
P
2
0
0
C233 L502
C350
R318
C413
U304
1
1
4
U
C428
2
1
4
R
TP_PDNn
C129
TP_105
5
6
1
1
3
3
R
R
TP_104
9
1
3
1
4
4
C
R
C457
C414
L409
R405
L408
R406
C456
TXD1
2
0
3
U
C459
3
8
4
0
3
4
C
R
4
1
2
3
3
3
R
R
2
0
1
C460
L204
C234
R237
8
5
4
C
4
0
1
C
C461C462C571C572
U406
U711
R417R418
6
C410
1
4
C
C431
C408
5
0
2
L
5
C105
0
1
R100
U
0
1
7
U
3
2
1
R
R720
R719
R721
R717
C433
C409
R403
R400
C451
L401
C404
C434C435 C436
C406
U407
8
5
3
1
1
5
4
4
4
C
C
R
4
3
1
4
R
9
0
3
R
7
0
4
L
C452
ZD300
2
0
0
4
4
L
R
0
3
1
1
3
3
R
R
C202
R
R225
2
R
R
2
2
2
8
1
1
7
8
R200
C213
C
2
C212
1
1
C214
C219
C223
C208
C225
C226
C
2
2
4
R236
C207
VR200
R205
C210
C217
C215
C222
R204
R
2
3
5
C
2
2
8
8-13
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-3-5.
SPK Part
Check speaker function.
Play MP3 with maximum volume level.
Check the component
soldering L403,L404?
C408
>1.7
C460
>3V?
Check the component
soldering U406?
No
Yes
Yes
No
No
V,
No
Resolder or change components
Resolder or change PM300
Resolder or change U406
Yes
Change the SPK module
Yes
End
8-14
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
SPK_P
SPK_N
(SPK,MOT)
L403
L404
8
7
3
3
4
4
C
C
9
5
0
4
6
4
C
C
C410
SPK_P
SPK_N
C461
C413
R405
R406
C462
C414
USB_EAR_L
USB_EAR_R SDA
RCV_P_AMP
RCV_N_AMP
EARSPK_L
EARSPK_R
6
1
4
C
0
0
4
D
Z
A1
A2
E1
D1
B5
A5
E4
E5
D4
D5
VBAT
3
A
C1P
C1N
OUTP
U406
OUTN
HPL
HPR
INA1
INA2
INB1
INB2
3
C
1
0
4
D
Z
VDD_IO_LOW_1.8V
1
1
C
B
D
D
D
D
D
D
V
V
V
P
P
COM1
H
COM2
NC1
NC2
LDOIN
SDA
SCL
_SHDN
BIAS
NC
NC
S
D
S
D
N
V
N
P
G
G
P
H
2
4
C
A
1
3
4
C
D2
D3
E2
E3
B2
B3
B4
C4
C5
C408
1
2
R417
R418
8
5
4
C
RCV_P_M
RCV_N_M
8
0
4
R
SPK_410
3
2
1
RCV_P_AMP
RCV_N_AMP
SCL
AMP_EN
D1
C457
L409
L408
C456
3
4
3
C
2
3
3
R
C459
8
0
4
R
C413
C414
R405
R406
C460
L204
C234
R237
R417R418
C461C462
C434C435 C436
C433
U406
C409
U407
R403
6
R400
8
C410
1
5
4
4
C
C
C431
U711
4
5
0
1
C
C105
0
1
R100
U
C408
C451
L401
C404
3
5
2
0
2
L
C406
1
R
R720
3
5
4
C
3
7
1
0
4
4
L
R
C452
5
8
1
1
4
4
R
C
4
2
0
0
4
4
L
R
L
L
4
4
0
0
3
4
L507
R719
8-15
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MOT_500
Z
D
4
0
0
Z
C
C
D
4
4
4
3
3
0
7
8
1
L
5
0
3
Level3Repair
8-3-6.
Receiver Part
Abnormal Receiver working.
Check the connection
between LCD module and
VT cam Assay
Check the connection
between LCD module and
Main PBA
C408
C460
>3V?
Check the component
soldering U406,R417,418?
Yes
Yes
Yes
>1.7
Yes
No
No
No
V,
No
Reconnect LCD module and VT cam Assay
Replace if required.
Reconnect LCD module and MAIN PBA
Replace if required.
Resolder or change PM300
Resolder or change components
Yes
Check VT cam Assay and Main PBA
Replace if required.
Yes
End
8-16
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Level3Repair
VDD_IO_LOW_1.8V
VBAT
9
5
0
4
6
4
C
C
6
1
4
C
1
3
C
A
D
C410
SPK_P
SPK_N
C461
C413
R405
R406
C462
USB_EAR_L
USB_EAR_R SDA
RCV_P_AMP
RCV_N_AMP
EARSPK_L
EARSPK_R
C414
D
V
P
H
A1
C1P
A2
C1N
E1
OUTP
U406
D1
OUTN
B5
HPL
A5
HPR
E4
INA1
E5
INA2
D4
INB1
D5
INB2
D
N
G
3
4
C
A
C408
1
B
D
D
D
D
V
V
D2
P
S
S
V
P
H
2
C
R417
COM1
D3
R418
COM2
E2
NC1
E3
NC2
B2
LDOIN
B3
SDA
B4
SCL
C4
_SHDN
C5
BIAS
1
NC
2
NC
D
N
G
P
8
5
4
C
RCV_P_M
RCV_N_M
8
0
4
R
RCV_P_AMP
RCV_N_AMP
SCL
AMP_EN
TXD1
4
1
3
R
C457
L409
L408
C456
3
4
3
C
2
3
3
R
C459
8
0
4
R
C413
C414
R405
R406
C460
L204
C234
R237
1
3
4
C
R417R418
C461C462
C434C435 C436
C433
U406
C409
U407
R403
C408
C105
R100
R400
C451
L401
C404
3
5
2
0
C406
1
2
L
R
R720
R719
R721
R717
6
8
C410
1
5
4
4
C
C
C431
U711
4
5
0
0
1
1
C
U
0
1
7
U
8
5
3
1
1
5
4
4
4
C
R
C
4
3
7
2
0
1
0
0
4
4
4
4
L
L
R
R
C452
3
0
9
1
1
0
3
3
3
R
R
R
8-17
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Level3Repair
8-3-7.
Touch Screen
Abnormal Touch Screen working.
Check the connection between TSP
and LCD, also LCD module and
Check the voltages when touch any
point on the screen?
ZD504,ZD506,ZD505,ZD507
Check the voltage R523
Yes
MAIN PBA.
Yes
Yes
>1V?
>= 1.7 V ?
No
Replace or reconnect if required.
No
Change the Touch Screen Pannel
No
Resolder or change PM300
Yes
Check component soldering status
Check TSP, LCD module and MAIN PBA.
at U507
Yes
Replace if required.
Yes
END
No
Resolder or change U507
8-18
SAMSUNG Proprietary-Contents may change without notice
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Level3Repair
MOT_500
VDD_IO_LOW_1.8V
R523
R510
6
7
8
9
5
L
C516
P
D
B
A
C
T
D
D
D
S
N
S
D
A
I
V
MOT_PWM
L503
2
2
L507
1
1
TP514
C520
VBAT
R522
PWM|CLK
10
GND
11
VDN
12
R511
GAIN
13
U507
T
P
A
N
E
D
B
V
V
H
4
5
6
7
1
1
1
1
C522 R512R513
S
N
P
E
X
L
8
1
C518
VDD
4
YN
3
XN
2
YP
1
NC
D
21
N
NC
20
G
9
1
TP515
TSP_SCL
TSP_INT
TSP_EN
MOT_EN
TSP_SDA
ZD507
ZD504
TS_Y-
TSP_EN
TS_XN
TS_Y+
TS_XP
TS_XN
TS_XP
6
4
0
0
5
5
D
D
Z
Z
0
7
1
5
1
C
5
U
R533
ZD505
ZD506
VBAT
R533
C570
0
1
8
9
L
C
E
E
C
O
S
_
V
7
1
HSD2+
D+
HSD2-
6
2
D-
-
+
1
1
D
D
D
N
S
S
H
H
G
4
5
3
U511
5
7
0
0
5
5
D
D
Z
Z
TS_X+
TS_X-
C558
6
5
0
0
5
5
L
L
4
2
5
3
2
1
3
1
5
5
5
5
R
C
R
C
3
2
0
0
5
5
1
0
D
D
1
2
Z
Z
5
5
R
C
6
2
5
R
0
0
3
T
A
B
C332
C
C
5
5
1
2
7
1
C518
U506
R523
U507
R510
C516
TP514
R
2
1
1
TP515
C
5
1
9
R
5
2
2
C
5
2
2
R
5
1
3
R
5
1
2
8-19
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-3-8.
KEY INPUT
Abnormal KEY INPUT working.
Check the connection between
Check the voltage C321
Check component soldering status
at Filter F505, F506.CN500
Yes
KEY PBA and MAIN PBA.
Yes
>= 3.0 V ?
Yes
No
Reconnect KEY PBA and Main PBA
Replace if required.
No
Resolder or change PM300
No
Resolder or change abnormal components
Yes
Replace KEY PBA or MAIN PBA
Yes
END
8-20
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
VDD_KEY_3.3V
VDD_WIFI_3.3V
VDD_IO_3.3V
VDD_BT_3.3V
VDD_ANALOG_LOW_1.2V
WIFI_VDD_1.2V
F505
1
IN1
2
IN2
3
IN3
4
IN4
5
OUT1
6
OUT2
7
OUT3
8
OUT4
GNDGND
9
10
F506
1
IN1
2
IN2
3
IN3
4
IN4
GND
5
OUT1
6
OUT2
7
OUT3
8
OUT4
GND
9
10
R320
PM300
R321
R322
8
0
9
1
3
C
1
2
2
3
3
C
C
MIC_BIAS_2.15V
VDD_KEY_3.3V
1
3
C
KEY_ROW(0)
C571
L502
C572
CN500
1
2
1
3
3
4
5
5
7
7
9
9
10
11
111212
13 14
13
14
15
15 16
17 17 1818
19
19
20 20
C
C
C
C
N
N
N
N
1
2
3
4
2
2
2
2
2
4
6
6
8
8
10
16
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
KEY_ROW(5)
KEY_POWER_ON
MIC_P
6
7
1
1
3
3
C
C
CN500
R318
C350
5
0
5
F
C571C572
P
M
3
0
0
U304
C
L410
L411
0
1
4
R
C424
C
3
1
0
C
R
7
7
3
1
1
3
U
3
0
0
C427
1
1
4
U
2
0
3
C428
2
1
9
1
1
3
4
4
4
R
R
C
U
5
4
6
1
1
1
3
3
3
R
R
R
6
0
5
F
9
0
4
R
0
0
4
D
C
3
3
1
1
1
2
C
C
3
3
2
2
3
1
R
R
C
2
2
2
1
1
3
5
4
2
8-21
SAMSUNG Proprietary-Contents may change without notice
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R301
C320
C204
C203
R232
R231
R
2
1
6
U204
U
C
C
P
2
2
1
0
6
0
Level3Repair
8-3-9.
MOTOR
Check the voltage R523
of U507,L503,L507,C520 and R511
Abnormal Motor working.
Yes
Check soldering of Motor
Yes
>= 1.6 V ?
Yes
Check component soldering status
No
Resolder Motor
No
Resolder or change PM300
No
Resolder or change components
Yes
Replace Motor.
Yes
END
8-22
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
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