Circuit Diagram - LG KG320 Service Manual

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4. TROUBLE SHOOTING

CIRCUIT DIAGRAM

3V3_MULTI_USB
C111
1u
_LCD_CS
GPIO42
2V8_MV
R108
68K
_WAIT
TFT-LCD CONNECTOR
TFT-LCD CONNECTOR
FL102
ICVE10184E150R101FR
9
L_DATA00
INOUT_B1
8
L_DATA01
INOUT_B2
7
L_DATA02
INOUT_B3
6
L_DATA03
INOUT_B4
SFEY0010501(100R,15pF)
FL103
ICVE10184E150R101FR
1
L_DATA04
INOUT_A1
2
L_DATA05
INOUT_A2
3
L_DATA06
INOUT_A3
4
L_DATA07
INOUT_A4
SFEY0010501(100R,15pF)
2V8_MV
C102
C103
1u
1u
A3
MULTI_USB-
PUSBDN
A2
MULTI_USB+
PUSBDP
A1
VDD_IO3
B3
GND_IO3
B2
_PHCS
B4
_RD
_PHRD
B5
C112
_WR
_PHWE
B1
33p
_MULTI_RST
_PRST
GPIO36
B6
DATA00
PHD0
C1
DATA01
PHD1
C2
DATA02
PHD2
C3
DATA03
PHD3
D1
DATA04
PHD4
C4
DATA05
PHD5
C5
DATA06
PHD6
D2
DATA07
PHD7
D3
DATA08
PHD8
E1
DATA09
PHD9
D5
DATA10
PHD10
E2
DATA11
PHD11
A7
DATA12
PHD12
E3
DATA13
PDH13
B7
DATA14
PHD14
E4
DATA15
PHD15
F1
PHD16
F2
PHD17
GPIO46
mBY
C7
MULTI_BYPASS
PHLCD_BY
D6
ADD01
PHLCD_A0
F3
mINT
_PHLCD2_CS
G1
_MULTI_INT
PHINT
F4
GPIO38
_PHGPIO_CS
G2
_PHWAIT
C118
1000p
A5
13MHz
PMCLK
C6
VDD_IO0
D4
GND_IO0
2V8_MV
C119
1u
2V8_MV
C120
1u
2V8_MV
2V8_MV
CN102
17
16
15
MLED
14
MLED1
13
MLED2
1
12
INOUT_A1
MLED3
11
2
INOUT_A2
3
10
INOUT_A3
4
9
INOUT_A4
8
7
6
5
4
3
2
1
ENBY0025701
9
INOUT_B1
8
INOUT_B2
C123
7
C121
INOUT_B3
6
INOUT_B4
1u
1u
2V8_AMV
1V8_MV
C101
1u
C109
C108
0.01u
0.01u
C110
0.1u
D8
PGPIO25
C9
PGPIO24
B10
PGPIO23
D9
PGPIO22
C10
PGPIO21
A11
PGPIO20
A12
PGPIO19
B11
PGPIO18
C11
PGPIO17
E9
PGPIO16
F9
PGPIO15
D10
PGPIO14
B12
PGPIO13
E10
PGPIO12
D11
PGPIO11
U103
C12
PGPIO10
F10
PGPIO9
G9
AIT811T
PGPIO8
E11
PGPIO7
D12
PGPIO6
H9
PGPIO5
G10
PGPIO4
F11
PGPIO3
H10
PGPIO2
E12
PGPIO1
J9
PGPIO0
F8
GND_IO2
G8
VDD_IO2
M8
_PLCD2_CS
M9
_PLCD1_CS
M7
_PLCD_RD
L9
PLCD_A0
L8
_PLCD_WE
M6
PLCD17
L7
PLCD16
R299
100K
FL101
18
VSYNCOUT
ICVE10184E150R101FR
19
R109
100
LCD_RESET
20
9
INOUT_B1
INOUT_A1
21
8
INOUT_B2
INOUT_A2
22
7
INOUT_B3
INOUT_A3
23
6
INOUT_B4
INOUT_A4
24
LCD_IFMODE
25
26
27
28
FL105
29
ICVE10184E150R101FR
30
31
1
INOUT_A1
INOUT_B1
32
2
INOUT_A2
INOUT_B2
33
3
INOUT_A3
INOUT_B3
34
4
INOUT_A4
INOUT_B4
C122
FL104
0.1u
ICVE10184E150R101FR
1
INOUT_A1
INOUT_B1
2
INOUT_A2
INOUT_B2
3
INOUT_A3
INOUT_B3
4
INOUT_A4
INOUT_B4
- 74 -
N_IO(2)
N_IO(1)
N_IO(0)
_N_WP
_N_WE
N_ALE
N_CLE
_NAND_CS
_N_RE
R_B
R115
VSYNCOUT
0
C_RST
R105
LCD_IFMODE
NA
R106
47K
2V8_MV
L_MAIN_LCD_CS
C117
1u
LCD_RS
LCD_WR
1
L_MAIN_LCD_CS
2
LCD_RS
3
LCD_WR
4
_RD
R298
NA
SFEY0010501(100R,15pF)
9
L_DATA12
8
L_DATA13
7
L_DATA14
6
L_DATA15
SFEY0010501(100R,15pF)
9
L_DATA08
8
L_DATA09
7
L_DATA10
6
L_DATA11
SFEY0010501(100R,15pF)

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