Haier 42EP24S Service Manual page 42

5
RST#
GPIO_CE
GPIO_CD
D
C
RL19
10K_DNS
CL7
10nF_DNS
B
A
5
4
To Connect main
board CN3
CNL1
RL1 68R_DNS
1
RL3 68R_DNS
3
5
7
RL5
9 10
68R
HEADER 5X2 2mm
VCC
VCC
RL13
RL12 10R
RL14
+
10K_DNS CL5
47uF/16V
2
1
QL5
MMBT3904_DNS
RL25
47K_DNS
UL1
1
A0
2
A1
3
A2
SCL
14
SCL
SDA
15
SDA
PCA9554
RL34
10K
4
3
RL2 68R
SDA
2
4 VCC
6
SCL
8
RL6
68R CL3
47pF
VCC
0R
RL15
QL4 10K
AO7401_DNS
3
RL18
CL6
100nF
10K
RL20
10K
13
INT#
4
IO1
5
IO2
6
IO3
7
IO4
9
IO5
10
IO6
11
IO7
12
IO8
12V
VCC
RL32
1K
LED8
RL33
10K
1
QL10
MMBT2222A
3
2
CNL2 12V
1
2
2X1 2mm
CL1 CL2
+
47uF/16V
CL4 100nF
47pF
RL8
10K
RL11
10K
1
QL2
MMBT2222A
1
RL16
10K
RL21 MMBT2222A
RL23 RL24
10K
10K 10K
RL26
QL7
10K MMBT2222A
RL28
12V
10K
RL29
1K
RL30 LED7
RL31
10K
1
QL9
10K MMBT2222A
Title
LED CONTROL BOARD
Size Document Number
A W90DL-288---Q
Date: 2005-07-21
2
1
12V
RL4
VCC
1K
D
LED1
RL7
10K QL1
MMBT2222A
1
RL9 RL10
1K 1K
LED2
LED3
QL3 RL17
C
MMBT2222A
1K
LED4
1
QL6
RL22
1K
LED5
1
RL27
1K
B
LED6
1
QL8
MMBT2222A
A
Rev
A-00
Sheet 20 of 25
1