LG -A258 Service Manual page 88

CIRCUIT
RCV_SPK_POUT
RCV_SPK_NOUT
C337
120p
1V8_VDD
R318
100K
R317
LCD_RD
DNI
C354
470n
I2C_SDA
I2C_SCL
LGE Internal Use Only
CAM_DVDD
CAM_IOVDD CAM_AVDD
F_LCD_DATA00
C338
F_LCD_DATA01
F_LCD_DATA02
120p
F_LCD_DATA03
F_LCD_DATA04
F_LCD_DATA05
F_LCD_DATA06
F_LCD_DATA07
NL_SUB_CS
NL_WR
NL_RS
NL_MAIN_CS
LCD_RESET_N
LCD_VSYNC
VA300
CAM_RESET
C339 C340
0.1u 0.1u
ICVE10054E250R201FR
9
LCD_DATA04
8
LCD_DATA05
7
LCD_DATA06
6
LCD_DATA07
LCD_DATA00
LCD_DATA01
LCD_DATA02
LCD_DATA03
9
SUB_LCD_nCS
8
LCD_nWR
7
LCD_nRS
6
LCD_nCS
VBAT
TP1
TP
CN300
1 54
2 53
3 52
4 51
5 50
6 49
7 48
8 47
9 46
10 45
11 44
12 43
13 42
14 41
15 40
16 39
17 38
18 37
19 36
20 35
21 34
22 33
23 32
24 31
25 30
26 29
27 28
C341
C343
C342
2.2u
1u 47n
FL303
1
F_LCD_DATA04
INOUT_B1 INOUT_A1
2
F_LCD_DATA05
INOUT_B2 INOUT_A2
3
F_LCD_DATA06
INOUT_B3 INOUT_A3
4
F_LCD_DATA07
INOUT_B4 INOUT_A4
FL304
TP4
F_LCD_DATA00
INOUT_B1 INOUT_A1
F_LCD_DATA01
INOUT_B2 INOUT_A2
F_LCD_DATA02
INOUT_B3 INOUT_A3
F_LCD_DATA03
INOUT_B4 INOUT_A4
FL307
1
NL_SUB_CS
INOUT_B1 INOUT_A1
2
TP5
NL_WR
INOUT_B2 INOUT_A2
3
TP6
NL_RS
INOUT_B3 INOUT_A3
4
TP7
NL_MAIN_CS
INOUT_B4 INOUT_A4
Figure 4.8.2
- 88 - Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
VAUX
1V8_VDD
TP3
F_CAM_VSYNC
F_CAM_HSYNC
F_CAM_PCLK
F_CAM_MCLK
F_CAM_DATA0
F_CAM_DATA1
F_CAM_DATA2
F_CAM_DATA3
F_CAM_DATA4
F_CAM_DATA5
F_CAM_DATA6
F_CAM_DATA7
CAM_STANDBY
R309 100K
IF_MODE
F_VIB_P
MLED1
MLED2
MLED3
C344
C345
0.022uF 1u
Only for training and service purposes
LCD_ID
R310
150K