LG A395 - Page 70

4. TROUBLE SHOOTING
- 70 -
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Only for training and service purposes
LGE Internal Use Only
1u
C353
C355
1u
C356 2.2u
C351 2.2u
1
2
VMMC_3V3
VIO_1V8
R351
1K
1u
C354
1
2
C357 2.2u
1
2
VBAT
U302
21
20
19
18
8
7
6
5
9
4
10
3 11
2
12
1
13
14
15
16
17
LED3
LED4
NC2
LDO2
AVIN
C1N
LDO1
C2N
AGND
PGND
NC1
C2P
ENA
C1P
PVIN
SCL
SDA
LED2
LED1
VOUT
SLUG_G
C352
33p
VBAT
VFM_2V8
C360
2.2u
I2C_SDA2
I2C_SCL2
LCD_LED_CA1
LCD_LED_CA2
LCD_LED_CA3
LCD Charge Pump
(10V)
Changed (8/8)
Changed (10/30)
NP0 --> X7R (8/27)
Added for NC pin (8/21)
TP2
C322
1u
C309
1u
VIO_2V8
VIO_1V8
VA331VA332
VIO_1V8
10K
R367
C308
1u
VA328VA327
VA329
7.5pF
FL301
105
64
73
82
91
INOUT_A1 INOUT_B1
INOUT_A2 INOUT_B2
INOUT_A3 INOUT_B3
INOUT_A4 INOUT_B4
G1 G2
CN301
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
FL300
7.5pF
105
64
73
82
91
INOUT_A1 INOUT_B1
INOUT_A2 INOUT_B2
INOUT_A3 INOUT_B3
INOUT_A4 INOUT_B4
G1 G2
C305
2.2u
100KR311
DNI
R307
2
1
R312
100K
21
VIO_1V8
100KR308
VBAT
FL302
7.5pF
105
64
73
82
91
INOUT_A1 INOUT_B1
INOUT_A2 INOUT_B2
INOUT_A3 INOUT_B3
INOUT_A4 INOUT_B4
G1
G2
LCD_RS
LCD_VSYNC
LCD_ID
LCD_LED_CA1
LCD_LED_CA2
LCD_LED_CA3
LNAND_D_[00]
LNAND_D_[01]
LNAND_D_[02]
LNAND_D_[03]
LNAND_D_[04]
LNAND_D_[05]
LNAND_D_[06]
LNAND_D_[07]
LCD_WR_N
LCD_CS_N
LCD_RST_N
LCD_RD_N
Added (10/31)
Added (10/30)
IF_MODE[1:0] = 01 --> 00
D[15:0] 16 bit --> D[7:0] 8 bit mode
Changed (9/10)
Changed from D[15:8] to D[7:0]
IM0
IM1
Added (9/10)
Added (9/10)
Changed (9/10)
TIANMA LCD ID : HIGH
TP4
TP3
TP5
TP1