Samsung SGH-P408 Service Manual page 24

SG H- P408 F low Chart of Troubleshooting
VCCD
C601 C602 C603 C604
C600
10NF 10NF 10NF
10N F
220N F
YMU_LED
VCC_1.8A
A(22)
R600
47K
C610 C61 1 C612 C613
C609
10NF 10N F 10NF 10N F
220N F
DLC_DETECT
D(0:15)
A6
D(0)
B5
D(1)
F8
D(2)
F7
D(3)
C5
D(4)
D6
D(5)
E7 XCP_D6
D(6)
D5
D(7)
C4
D(8)
B4
D(9)
B3
D(10)
C1
D(11)
C2
D(12)
D2
D(13)
D3
D(14)
E3
D(15)
A(0:20)
B13
A(0)
F11
A(1)
E14
A(2)
D1 5
A(3)
B15
A(4)
C1 4
A(5)
A1 6
A(6)
A1 5
A(7)
B17
A(8)
C1 7
A(9)
D1 6
A(10)
F14
A(11)
G1 4
A(12)
G1 3
A(13)
G1 7
A(14)
J12
A(15)
K12
A(16)
K13
A(17)
K14
A(18)
L14
A(19)
L15
A(20)
L16
A(21)
A1 2 XCP_CSROME N
CP_CSROME N
A1 3
CP_CSRAMEN
R60 2 M1 5
CP_CSROM2EN
47K
M1 4
CLCD_EN
M1 1
FLIP_SNS_2
N1 4
YMU_EN
C1 3
CP_WEN
P16
CP_OEN
P15
DEBUG_DCD
T15
UPPER_BYTE
M9
CP_INT
T5
CAM_INT
P2
FLIP_SNS
N2
YMU_IRQ
KEY_COL(0:4)
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_ROW(0:4) KEY_COL(3)
KEY_COL(4)
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
IRDA_RX
IRDA_TX
DEBUG_DTR
DEBUG_RTS
DEBUG_TX D
DEBUG_RX D
DEBUG_CTS
IRDA_EN
SDS_TX D
SDS_RX D
SIMDAT A
SIMCLK
CHG_DET
VCC_1.8A
VCC_1.8A VCCD
XCP_D0
XCP_D1
XCP_D2
XCP_D3
XCP_D4
XCP_D5
XCP_D7
XCP_D8
XCP_D9
XCP_D10
XCP_D11
XCP_D12
XCP_D13
XCP_D14
XCP_D15
XCP_A0_BEON
XCP_A1
XCP_A2
XCP_A3
XCP_A4
XCP_A5
XCP_A6
U601
XCP_A7
XCP_A8
XCP_A9
XCP_A10
XCP_A11
XCP_A12
XCP_A13
XCP_A14
XCP_A15
XCP_A16
XCP_A17
XCP_A18
XCP_A19
XCP_A20
XCP_A21
XCP_CSRAMEN
XPA0/CS1N
XPA1/CS2N
XPA2/CS3N
XPA3/CS4N
XCP_WEN
XPA4/OEN
XPA5/WAITN
XPA6/BE1N
XPA7/IRQ1
XPA8/IRQ2
XPA9/IRQ3
XPA10/IRQ4
TRIDENT
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VCC_1.8 A VCCD VRTC
C60 5
100N F
C606 C60 7
C608
27P F 22NF
10NF
F12
TD O DSP_TD O
F15
TRST TR_RST
H12
TD I DSP_TD I
G12
TM S DSP_TM S
H13
TCK DSP_TCK
G15
CK O
L12
IOBIT#2 EL_EN
K11
IOBIT#1 LED_E N
N4
INT#0
R12
IO7
U5
RW N
DSP_AB(8:0)
T17
DSP_AB(8)
AB#8
T14
DSP_AB(7)
AB#7
R14
DSP_AB(6)
AB#6
P12
DSP_AB(5)
AB#5
P11
DSP_AB(4)
AB#4
N11
DSP_AB(3)
AB#3
AB#2 R13
DSP_AB(2)
M10
DSP_AB(1)
AB#1
AB#0 U13
DSP_AB(0)
P10
DB#15 DSP_DB(15)
R11
DSP_DB(14)
DB#14
T11
DB#13 DSP_DB(13)
U11
DSP_DB(12)
DB#12
M8
DB#11 DSP_DB(11)
N8
DSP_DB(10)
DB#10
N7
DB#9 DSP_DB(9)
P7
DSP_DB(8)
DB#8
M6
DB#7 DSP_DB(7)
R7
DSP_DB(6)
DB#6
T7
DB#5 DSP_DB(5)
U7
DSP_DB(4)
DB#4
P6
DSP_DB(3)
DB#3
DB#2 R6
DSP_DB(2)
U6
DB#1 DSP_DB(1)
P5
DSP_DB(0)
DB#0
D12
XTIC_MODE
M12
XCPTSTSTOP_CKO
D11
XAG3
E11
XAG2
A11
XAG1
B11
XAG0
B7
XBSW N
A7
X1RTC
D10
X2RTC
E8
XRTCALARM_N
C6
XOSC32OUT
L1009
NC
CP_TD O
TR_RST
CP_TD I
CP_TM S
CP_TC K
DEBUG_DSR
WR_PROTECT
EAR_SWITCH
JACK_IN
PWR_KEEP
SIMRST
DEBUG_RI
FLASH_RESET
AUDIO_AMP_EN
CHG_ON
UP_CS
UP_SCLK
UP_SD I
3- 12
JTAG
VREF
CLK13M_TR
TR_RST
DSP_INT
DSP_IO
DSP_RWN
DSP_DB(15:0)
R601
1M
VCCB
26M_INPUT_SSV
R603
ICHRG
10K,1%
VBAT
TR_RST
RTCALARM OSC601
R604
CLK32K
33K,1%
C402 1
C614
R605
C61 6
100K
22PF
33K,1%
22PF
TR_RST RS T
R606
10
C617
10N F
SDS_TX D
SDS_RX D
JIG_O N
VBAT
CP_WEN
CP_TC K
CP_TM S
CP_TD I
CP_TDO
RS T
VCCB
U602
2 VO VS 1
GND
3
BP_VF
C615
100PF