Samsung SGH-P960 Service Manual page 40

Flow Chart of Troubleshooting
A3
VREG_GP1
A2
VREG_GP2
B1
VREG_GP3
R407
L9
VREG_MMC
G11
VREG_MSMA
K8
VREG_MSME
J11
VREG_MSMP
K4
VREG_MSMC
L400
K5
VSW_MSMC
A9
VREG_RFRX1
A10
VREG_RFRX2
A8
VREG_RFTX
B8
VREG_RFUBM
L10
VREG_RUIM
L8
VREG_S2
L6
VREG_S3
L401
K7
VSW_S2
K6 L402
VSW_S3
A1
VREG_TCXO
G2
VREG_USB
B11
VREG_WLAN
VBATT
R414
D1
ISNS_M
D2 R415
ISNS_P
L11
XTAL_IN
K11
XTAL_OUT
F8 R417
SBCK
G8
SBDT|SSBI
E8 R418
SBST
J10
VCOIN
E2
BAT_FET_N
C2
CHG_CTL_N
C1
VCHG
K1
HSET_BIAS
L4
KPD_PWR_N
C10
MSM_INT_N
PM_INT
G10
PON_RESET_N
F10
PS_HOLD
K9
SLEEP_XTAL_IN
R110
TRK_LO_ADJ
C126
VREG_TCXO_2.85V
C128 C129
C749
R610
R416
C428
R415
C405
C433
L402
C423
C422
C425
C420
C435
TFLASH_2.8V
R410
C414
C415
OSC400
SSBI2_DATA
C431
PS_HOLD
SBST
D400
PHONE_ON
PM_INT_N
PS_HOLD
RESET_N
TRST_N
D401
1 2
VC
GND
OSC100
VCC OUT
4 3
C127
C130
C131
R111
C132
R403
D400
D401
R418
C416
C400
C417
L401
C424
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VREG_MSMA_2.6V
VREG_MSMC_1.2V
VREG_MSME_1.8V
VREG_MSMP_2.6V
VREG_USIM_3.0V
C416 C417 C418
C419
C422
RTR6285_TCXO
TCXO
R412
9-2
V_RF_S2_2.1V
V_RF_S3_2.7V
VREG_TCXO_2.85V
C420 C421
C423 C424 C425 C426 C427
C132
R111
C131
C127