Chapter 7. Electrical Parts; Block Diagram - Haier 42D3500 Service Manual

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Chapter 7. Electrical Parts

7-1. Circuit Diagram
5V_M
CN4
E1
1
12V
12V
A
NC/100uF
2
GND
GND
3
5V_M
5V
4
5V_M
5V
5
GND
5V_Panel
P5V
6
5V_Panel
P5V
7
GND
GND
8
GND
GND
9
PW_ON
PWON
RE23
10
5V_STB
5VSB
510ohm
10PIN-2.54-D-H-G
RE2
3V3_STB
4K7ohm
RE3
10Kohm
RE4
12Kohm
QE2
RE5
MMBT3904(f≥350MHz)
POW_EN
10Kohm
GND
B
LC1117CLTR33
5V_STB
UL1
3
2
VI
VO
4
VO
CL1
0.1uF
GND
C
5V_STB
LC3406CB5TR
LD1
UD1
4
3
VIN
SW
MGSD54-6R8M-LF
RD1
10Kohm
1
5
CD2
EN
FB
0.1uF
RD3
13Kohm
GND
GND
GND
D
1
2
3
4
5V_STB
NC/10uF
E2
C56
C1
C58
C57
C2
10uF
0.1uF
NC/100uF
10uF
0.1uF
GND
3CG3906M
QE1
PW_ON
D1
5V_STB
5V_M
NC/1N5819-SMA
3V3_STB
CL2
CL3
0.1uF
10uF
1.15V_STB
1.15V_STB
RD2
TEST
12K4ohm
CD3
CD5
22uF
0.1uF
3
4
5
6
5V_STB
5V_STB
5V_M
RB13
NC/1Kohm
RB14
RB1
NC/1Kohm
1Kohm
NC/0ohm
RB3
RB2
10Kohm
RB5
QB3
BL_EN
MMBT3904(f≥350MHz)
10Kohm
QB1
MMBT3904(f≥350MHz)
GND
RB6
RB7
5V_M
510ohm
1Kohm
QB2
RB9
MMBT3904(f≥350MHz)
PWM/ADJ
CB1
10Kohm
1uF-0603
GND
GND
LC1117CLTRAD
5V_M
UL2
3
2
VI
VO
CL5
4
VO
0.1uF
CL6
0.1uF
RL1
330ohm
GND
RL2
GND
150ohm
GND
WPM3407C-3/TR
PVCC
QM1
RM1
4K7ohm
RM3
200Kohm
RM4
QM2
POW_EN
MMBT3904(f≥350MHz)
3K3ohm
1
5V_Panel
5V
2
PVCC
PVCC
3
12V
12V
GND
CN3
R12V
12V
NC/0ohm
5
6
7
8
5V_M
CN2
RB4
1Kohm
1
GND
GND
2
GND
RB10
GND
3
BL_ON
ADJ
ADJ
4
BL_ON
BLON
33ohm
5
12V
12V
RB11
6
12V
12V
NC/2K2ohm
6PIN-2.0-D-H- 红色 -G
RB12
GND
GND
BL_EN
BL_ON
NC/100ohm
LB1
ADJ1
ADJ
300ohm-0402-±25%
RB8
NC/3K3ohm
GND
1V8_DDR
CL7
10uF
VCC_Panel
CM6
CM2
RM2
10uF
0.1uF
NC/3K3ohm
GND
PVCC
7
8
A
B
C
D

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