Samsung C6712 Block Diagram 7
Level
8.
Block Diagram
8-1.
Repair
3
8-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
PCB Diagrams
8-2.
8-2-1.
Top
8-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-2-1.
Bottom
8-3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
Flow Chart of Troubleshooting
8-3.
presetting methods for checking TP
※
GND&TP(exp. VBAT=
-
look over the coming out signal.
-
C308
using Oscilloscope
)
GND TP(Test Point)
Oscilloscope
←
8-4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Multi-meter
←
Level3Repair
EX) to look up the TP, shunt Cap.
-
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Checking the TP(test point) using Multi-meter
←
if checking the GND, you can listen"beep"
-
if checking the Signal, you can't listen it.
8-5
Level3Repair
LOGIC
8-3.
8-1.
Power On
Power On'does not work
'
Check the Battery Voltage
is more than
Check the Clock at
OSC300(C312, C313,
32.768
Check the voltage of
VDD_CORE_1V28(C320,
VDD_MEM_1V8(C300,
VDD_DIG_3V0(C328,
VDD_VCXO_1V3(C325,
kHz,
±20
Yes
Yes
Yes
3.7V
ppm)
1.8
3.0
1.28
1.3
V),
V),
V)
V),
No
Change the Battery
No
replace the OSC300
No
resolder the PM300
Yes
Check the Clock at
OSC200(C150,26MHz,
Check the initial operation
±10
ppm)
Yes
Yes
END
No
resolder the OSC200
8-6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
VDD_ANA_3V0
VDD_CAM_A_2V8
VDD_ANA_1V2
VDD_VRF_1V3
VDD_VRF_2V7
VDD_USBOTG_2V5
VDD_LCD_2V9
VDD_USB_NVRAM_3V3
VDD_CAM_IO_2V8
VDD_CAM_CORE_1V2
VDD_MOT_3V0
VDD_TSP_3V0
TP_AUXLDO5
VDD_CORE_1V28
VDD_MEM_1V8
VDD_TV_1.2V
VDD_AMP1_3V0
VDD_SD_3V0
VDD_DIG_3V0
VDD_VCXO_1V3
SDA
LDO_EN5
LDO_EN4
VDD_TP
SCL
C327
C326
C320
C321 C334
C325C322 C329C324C323
C319
C328
VDD_MEM_1V8
VBAT
C302
VDD_MEM_1V8
C306
L300
L301
L302
C331
C332
C330
C333
C300
C303
C305
C335
9
2
7
9
1
3
J
F
D
G
C
C
S
D
D
N
T
D
I
T
U
D
D
D
O
A
B
V
V
V
C
B
V
P
P
V
H
B1
IN1
B2
IN2
C2
IN3
C5
IN4
C6
IN5
C8
IN6
D7
IN7
B3
INLV
B8
ALDO1
B7
ALDO2
C3
LVLDO1
C4
LVLDO2
A8
RFLDO1
A7
RFLDO2
B4
MSLDO1
B6
MSLDO2
F9
AUXLDO1
F8
AUXLDO2
E8
AUXLDO3
E7
AUXLDO4
E6
AUXLDO5
PM300
C1
LX1
A2
LX2
E1
LX3
D2
FB1
A3
FB2
F2
FB3
A6
HCLDO1
A5
HCLDO2
B5
IOLDO
F6
LCLDO
A4
SIMLDO
F3
I2CCLK
F4
I2CDAT
F7
EN5
E5
EN4
2
1
S
D
D
S
D
D
D
N
N
V
N
N
N
P
G
G
G
G
G
P
H
P
9
9
1
1
1
4
J
J
E
A
D
G
C337
C301
C345
8
D
L
V
J7
COMN1
J8
COMP2
C307
J2
C1N
H2
C1P
H9
DN1
J9
DP2
H1
OUTN
G1
OUTP
J6
HPL
J5
HPR
H3
INA1
G4
INA2
G5
INB1
F5
INB2
H7
UT1
G7
UR2
H8
UID
H6
SL1
H5
SR2
G3
PC1
E4
PC2
A9
XIN
B9
XOUT
G6
MIC
TP_PMU_IRQ
D3
IRQB
G8
BC
D4
C316
REFBP
D5
RESETB
H4
VBIAS
E3
PWRONB
D6
32KHZ
1
NC
2
NC
3
D
N
G
P
2
E
PMU_IRQ
RST_BB
USB_D-
USB_D+
USB_DM
USB_DP
R301
R302
C311
C317
BAT300
SPK_N
SPK_P
EAR_SPK_L
EAR_SPK_R
C314
7
1
3
C
OSC300
R
N
C310
C315
INB_L
INB_R
PC
BT_REQ_CLK
C312
C313
TV_AUDIO_L
AMP_N
AMP_P
TV_AUDIO_R
1
6
3
C
C
N
ONKEY
32K_CLK
TXD1
RXD1
JIG_ID
VBUS
UCP200
PMU
F22
CK2
W19
CSI_M_CM_CLK
W18
CSI_M_CP_CLK
Y19
CSI_M_DM0
Y18
CSI_M_DP0
B10
LCDCS0
D12
LCDCS1
A11
LCDD0
F11
LCDD1
F12
LCDD2
E14
LCDD3
A12
LCDD4
D14
LCDD5
E13
LCDD6
D13
LCDD7
G11
LCDCD
B11
LCDRE
E12
LCDWE
U18
OTGCTRL1
V20
OTGCTRL2
V18
OTGCTRL3
V19
OTGCTRL4
V17
OTGCTRL5
A5
RF_X1
A6
RF_X2
C1
RF_INN_0G8
E1
RF_INN_0G9
G1
RF_INN_1G8
J1
RF_INN_1G9
B1
RF_INP_0G8
D1
RF_INP_0G9
F1
RF_INP_1G8
H1
RF_INP_1G9
LD_CS
VDD_VCXO_1V3
LD(0:7)
LD(0)
LD(1)
LD(2)
LD(3)
LD(4)
LD(5)
LD(6)
LD(7)
LD_RS
LD_RD
LD_WR
VDD_DIG_3V0
GSM_850_RX_A
GSM_900_RX_A
DCS_RX_A
PCS_RX_A
GSM_850_RX_B
GSM_900_RX_B
DCS_RX_B
PCS_RX_B
2431
OSC200
U200
C229
6
1
VCC
NC
2
5
A
NC
4
3
Y
GND
BT_CLK
8-7
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-2.
Initial
Initial Failure
Yes
PM300 pin D5(RESETB,
TP_RST_BB
Check the LCD FPCB(teared)&HDC
Short or not solder)
(
)="H"?
Yes
Yes
END
No
Replace PM300
401
8-8
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
VDD_DIG_3V0
2
2
2
R
1
V_JTAG
2
TMS
TMS
3
RTCK
R_TCK
4
TRST_N
TRSTB
5
TDI
TDI
6
TCK
TCK
7
TDO
TDO
TP_RST_BB
8
PON_RESET_N
RST_BB
9
GND
MASTER_JTAG_PAD
8-9
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-3.
Charging Part
Abnormal charging part
PM300 pin D9(VBUS, L425)
check the ZD410(short)
Yes
V
≥4.2
Yes
and C361(short)
Yes
No
No
Resolder L425 or IFC400
Replace ZD410
or open the C361
Check the Battery and TA
is connected correctly
Yes
END
8-10
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Loading...