LG P7200 - Circuit Diagram; Main Pcb

4. TROUBLE SHOOTING
- 78 -
- Main PCB
- LCD FPCB
(40pF_80ohm)
(15pF_50 ohm_2012)
CH6_EXT
B1
CH6_INT
D1
CH7_EXT
B2D2
CH7_INT
B3
CH8_EXTCH8_INT
D3
B4
CH9_EXTCH9_INT
D4
GND1
C1
GND2
C2 C3
GND3
C4
GND4 GND5
C5
IP4032CX25 FL407
CH10_EXT
B5D5
CH10_INT
A1
CH1_EXTCH1_INT
E1
A2
CH2_EXTCH2_INT
E2
A3
CH3_EXT
E3
CH3_INT
CH4_EXT
A4E4
CH4_INT
CH5_EXT
A5E5
CH5_INT
C425
27p
VBAT
27p
C427
26
27
28
29
21
30
31
32
33
34
35
36
37
38
39
22
40
23
24
25
13
14
15
16
17
18
19
2
20
3
4
5
6
7
8
9
CN402
1
10
11
12
3V0_VOD
100R409
INOUT_B3
INOUT_B4
6
FL405 ICVE21184E150R500FR
G1
5
G2
10
INOUT_A1
1
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
27p
C426
C424
27p
INOUT_B4
6
G1
5
G2
10
INOUT_A1
1
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
FL406 ICVE21184E150R500FR
INOUT_A1
1
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
6
FL409 ICVE21184E150R500FR
G1
5
G2
10
C423
INOUT_A1
1
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
6
27p
FL408 ICVE21184E150R500FR
G1
5
G2
10
L_DATA17
L_DATA14
L_DATA13
L_DATA12
L_DATA11
KEY_ROW5
L_DATA16
L_DATA15
VIBRATOR-
BACK_BATT
L_WR
L_MAIN_LCD_CS
L_ADD01
L_DATA10
KEY_COL1
VMLED
MLED1
MLED2
MLED3
MLED4
RCV_N
RCV_P
L_DATA03
L_DATA04
L_DATA02
L_DATA01
L_DATA00
L_DATA09
KEY_COL2
KEY_COL3
LCD_VS
_LCD_RESET
L_DATA08
L_DATA07
L_DATA06
L_DATA05
CIRCUIT DIAGRAM
(MATSUSHITA, P4S,Female,40PIN,1.5T)
FOLDER CONNECTOR
VA102
AVL5M02-200
39p
C102
VBAT
7
8
9
3V0_VOD
29
3
30
31
32
33
34
35
36
37
38
39
4
40
5
6
14
15
16
17
18
19
2
20 21
22
23
24
25
26
27
28
ENBY0028501
G1 G2
G3 G4
1
10
11
12
13
CN101
AXT340164
AVL5M02-200
VA101
2V8_VRTC
BAT101
39p
C101
REV
REV+
39p
C103
RCVP
RCVN
V_D(7)
V_D(8)
V_D(9)
_MLCD_CS
_WEM
MLED1
MLED2
VMLED
MLED3
MLED4
VIBRATOR-
LCD_VS
KEY_COL(2)
KEY_COL(1)
KEY_ROW(5)
V_D(17)
KEY_COL(3)
_LCD_RESET
V_D(0)
V_D(1)
V_D(2)
V_D(3)
V_D(4)
V_D(5)
V_D(6)
V_D(16)
V_D(15)
V_D(14)
V_D(13)
V_D(12)
V_D(11)
V_D(10)
V_A(2)
Pin 26 : IM3
L
(RD not used, HIGH)
Pin 22 : RD
IM3
TO LCD CONNECTOR
H
16Bit 18Bit
L
LIM0
Pin 27 : IM0
(ELCO,Male,40PIN,1.0T,Dual contact)
3V0_VOD
0
R106
38
39
22
40
23
24
25
26
27
28
29
4
5
6
7
8
9
21
30
31
32
33
34
35
36
37
1
10
11
12
13
14
15
16
17
18
19
2
20
3
ENBY0027404
14-5805-040-004-829
CN102
R104
0
R105
0
NA
R101
V_D(13)
V_D(14)
V_D(15)
3V0_VOD
V_D(0)
V_D(1)
V_D(2)
V_D(4)
V_D(3)
V_D(5)
V_D(6)
V_D(7)
V_D(8)
V_D(9)
V_D(11)
V_D(10)
V_D(12)
_MLCD_CS
V_A(2)
LCD_ID
LCD_VS
_LCD_RESET
MLED1
MLED2
VMLED
MLED3
MLED4
_WEM