LG -A230 Service Manual page 97

CIRCUIT
VSIM_2V85
SIM_DATA
C134
SIM_CLK
0.1u SIM_RST
MSD_CMD
MSD_D[0]
MSD_CLK
MSD_D[1]
MSD_D[2]
MSD_D[3]
SIM_SELECT
JTAG_TDO
JTAG_TDI
JTAG_TMS
JTAG_TCK
JTAG_TRST_N
LCD_RST_N
BT_CLK_26M
R112 R113
R111
SIM_RST_SELECT
100K 100K 100K
BT_PCM_CLK
BT_PCM_SYNC
SIM_RST_SELECT
LGE Internal Use Only
M10 VSIM
E2
SIM_IO
D1
SIM_CLK
D2
SIM_RST
TP1
F1
MMCI_CMD
F3
MMCI_DAT_0
F2
MMCI_CLK
G5
MMCI_DAT_1
G4
MMCI_DAT_2
E1
MMCI_DAT_3
H14
SWIF_TXRX
J17
TDO
J18
TDI
G18
TMS
H18
TCK
H17
TRST_N
K18
TRIG_IN
J15
MON1
J14
MON2
C6
MON3
G13
FSYS1
F13 RF
FSYS2
J13
DIGUP_CLK
H13
DIGUP1
G12
DIGUP2
VSIM_2V85
SIM_RST2
TP
C320
R314
100K
1u
VSIM_2V85
PIN #1
SIM_RST
SIM_CLK
C302 C333 C303 C304
DNI DNI 22p 0.1u
VSIM_2V85
SIM_RST2
SIM_CLK
C314 C335 C315 C316
DNI DNI 22p 0.1u
U300
1 10
VCC NO2
2 9
NO1 COM2
TP3
3 8
COM1 IN2
4 7
IN1 NC2
5 6
NC1 GND
R315
100K
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4. TROUBLE SHOOTING
VSIM_2V85 VSIM_2V85
J300
1 4
VCC GND1
2 5
RST VPP
3 6
CLK IO
7 10
GND2 GND5
8 9
GND3 GND4
C334 C301
DNI 22p
VSIM_2V85 VSIM_2V85
J301
1 4
VCC GND1
2 5
RST VPP
3 6
CLK IO
7 10
GND2 GND5
8 9
GND3 GND4
C336 C313
DNI 22p
SIM_DATA_2
SIM_DATA
SIM_SELECT
SIM_DATA_1
Only for training and service purposes
SIM_DATA_1
SIM_DATA_2