LG Z15LCD1 Service Manual - Page 38
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ON_OFF IIC_SEL R560 2k +5V R541 4.7k D410 1N4148 D409 1N4148 R534 R535 1k 1k 1 Q418 PMBS3904 3 2 +5V R540 4.7k 3 R552 22K 1 Q415 PMBS3904 2 SDA VSDA SCL VSCL R522 100 R551 100 +5V C491 100P FB416 B0805/0 ISP_SCL UPDATE POWER SUPPLY FROM +5V_SW TO +5V ISP_SDA U407 74HC4052D 12 14 15 X0 X1 11 X2 X3 1 5 2 Y0 Y1 4 Y2 Y3 10 9 A B 6 EN 7 16 VEE VDD X 13 3 Y 8 GND AOC (Top Victory) Electronics Co., Ltd. Title IIC SWITCH Size A4 Document Number 03 Date: Monday, April 24, 2006 Sheet 3 of Rev 1 14 - 38 -
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- 38 -
U407
74HC4052D
12
14
15
11
1
5
2
4
6
10
9
13
3
16
8
7
X0
X1
X2
X3
Y0
Y1
Y2
Y3
EN
A
B
X
Y
VDD
GND
VEE
R540
4.7k
Q415
PMBS3904
3
2
1
+5V
IIC_SEL
03
1
IIC SWITCH
AOC (Top Victory) Electronics Co., Ltd.
A4
3
14
Monday, April 24, 2006
Title
Size
Document Number
Rev
Date:
Sheet
of
FB416
B0805/0
D410
1N4148
R551
100
+5V
+5V
R552
22K
SCL
ON_OFF
D409
1N4148
VSDA
SDA
ISP_SDA
C491
100P
R534
1k
Q418
PMBS3904
3
2
1
UPDATE POWER SUPPLY
FROM +5V_SW TO +5V
R535
1k
R560
2k
ISP_SCL
R541
4.7k
VSCL
R522
100