LG D405 Service Manual page 97

VREG_L6_1V8
TOUCH_RESET_N
TOUCH_I2C_SDA
TP3(R7200)
TOUCH_I2C_SCL
TOUCH_ATTN
Atmel Slave address : 0x4A
VREG_L6_1V8
LGE Internal Use Only
VREG_L6_1V8
TP2(C7202)
44
45
C7200 22n
4
TP4(R7202)
6
7
14
13
8
SYNC
9
NOISE_IN
TP7202
11
DBG_CLK
TP7203
12
DBG_DATA
5
R2205
R2206
TP6(R2206)
- 97 -
3. TROUBLE SHOOTING
TP1(C7201)
XVDD
EXTCAP
RESET
SDA
SCL
U7200
ATMXT336S-MAUR
CHG
EAN62953601
ADDSEL
NC
TP5(R2205)
3.3K
3.3K
Copyright © 2014 LG Electronics. Inc. All right reserved.
VREG_L28_2V95
C7201 /C7203
should be <5 mm length
16
X0
17
X1
18
X2
19
X3
20
X4
21
X5
22
X6
23
X7
24
X8
25
X9
26
X10
27
X11
46
X12
47
X13
48
X14
49
X15
50
X16
51
X17
52
X18
53
X19
54
X20
55
X21
56
X22
1
X23
42
Y13
41
Y12
40
Y11
39
Y10
38
Y9
37
Y8
36
Y7
35
Y6
34
Y5
33
Y4
32
Y3
31
Y2
30
Y1
29
Y0
TOUCH_I2C_SDA
TOUCH_I2C_SCL
Only for training and service purposes
TX0
TX1
TX2
TX3
TX4
TX5
TX6
TX7
TX8
TX9
TX10
TX11
TX12
TX13
TX14
TX15
TX16
TX17
TX18
TX19
TX20
TX21
RX12
RX11
RX10
RX9
RX8
RX7
RX6
RX5
RX4
RX3
RX2
RX1
RX0