Haier LE50B7000, Service Manual

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1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
RE26
10Kohm-0402-±5%-1/16W
5V-STB
EN
1
G
N
D
2
SW
3
VIN
4
FB
5
U4
DC-DC
RD51
100Kohm-0402-±5%-1/16W
+1.2V-VDDC
RD52
12Kohm-0402-±1%-1/16W
RD53
10Kohm-0402-±1%-1/16W
CD54
10uF-0805-X5R-±10%-6.3V
CD55
0.1uF-0402-Y5V-+80%-20%-16V
LD51
CH4055U-100K-021
+
ED52
NC/100uF-16V-±20%-5×11-105
CD52
0.1uF-0402-Y5V-+80%-20%-16V
CD53
10uF-0805-X5R-±10%-6.3V
CD51
NC/0.1uF-0402-Y5V-+80%-20%-16V
BS
+
ED51
NC/470uF-10V-±20%-6.3×11-105 -
POW-EN
12V
PW-ON/
RE22
1K5ohm-0402-±5%-1/16W
RE24
3K3ohm-0402-±5%-1/16W
QE21
MMBT3904(f≥350MHz)
RE21
4K7ohm-0402-±5%-1/16W
POW-EN
RE23
220ohm-0402-±5%-1/16W
QE22
3CG3906M
5V-Panel
1
2
3
4
5
6
7
8
9
10
CN4
10PIN-2.54-D-H-G
PW-ON/
5V-STB
5V-M
GND
12V
GND
5V-M
5V-Panel
GND
5V-M
5V-STB
CE23
0.1uF-0402-Y5V-+80%-20%-16V
+
EE23
100uF-16V-±20%-5×11-105
CE24
0.1uF-0402-Y5V-+80%-20%-16V
+
EE22
470uF-10V-±20%-6.3×11-105 -
CE16
0.1uF-0402-Y5V-+80%-20%-16V
CE17
0.1uF-0402-Y5V-+80%-20%-16V
+
EE21
100uF-16V-±20%-5×11-105
RB3
1Kohm-0402-±5%-1/16W
QB1
MMBT3904(f≥350MHz)
RB4
33ohm-0402-±5%-1/16W
BL-EN
RB5
NC/2Kohm-0402-±5%-1/16W
RB1
510ohm-0402-±5%-1/16W
RB2
10Kohm-0402-±5%-1/16W
CB1
0.1uF-0402-Y5V-+80%-20%-16V
5V-STB 5V-M
BL-ON
PVCC
QM12
WPM3407-3/TR
RM13
100Kohm-0402-±5%-1/16W
QM11
MMBT3904(f≥350MHz)
RM12
4K7ohm-0402-±5%-1/16W
RM11
4K7ohm-0402-±5%-1/16W
CM12
0.1uF-0402-Y5V-+80%-20%-16V
+
EM11
100uF-16V-±20%-5*11 105
GND
GND
VCC-Panel
RM14
2K2ohm-0402-±5%-1/16W
GND
PVCC
12V
5V
1
PVCC
2
12V
3
CN10
3PIN-2.54+
5V-Panel
VCC_Panel
TEST
RM15
NC/0ohm-1206-±5%-1/4W
12V PVCC
VI
3
VO
2
A
D
J
1
VO
4
UL1
LC1117CLTR33
CL3
0.1uF-0402-Y5V-+80%-20%-16V
3V3-STB
CL2
0.1uF-0402-Y5V-+80%-20%-16V
5V-STB
CL4
10uF-0805-X5R-±10%-6.3V
+
EL4
NC/100uF-16V-±20%-5*11 105
GND
CL1
10uF-0805-X5R-±10%-6.3V
1 2
3 4
5 6
7 8
9 10
11 12
CN11 NC/2*6PIN
GND
12V
GND
GND
12V
GND
+5V-NO-SW +5V-NO-SW
R59
NC/0ohm-1206-±5%-1/4W
+5V-NO-SW
Q11
NC/MMBT3904(f≥350MHz)
R40
NC/4K7ohm-0402-±5%-1/16W
R41
NC/100Kohm-0402-±5%-1/16W
R43
NC/10Kohm-0402-±5%-1/16W
Q10
NC/WPM2341A-3/TR
+5V-NO-SW 5V-M
R37
NC/0ohm-1206-±5%-1/4W
+5V-NO-SW
R12
NC/0ohm-1206-±5%-1/4W
+5V-NO-SW
R53
NC/0ohm-1206-±5%-1/4W
BL-ON ADJ
PW-ON/
5V-STB
5V-M
5V-STB
12V
5V-Panel
AMP-VCC
POW-EN
CD1
10uF-0805-X5R-±10%-6.3V
CL13
10uF-0805-X5R-±10%-6.3V
3V3-STB
CB11
1uF-0603-Y5V-+80%-20%-10V
RB12
510ohm-0402-±5%-1/16W
QB11
MMBT3904(f≥350MHz)
RB13
1Kohm-0402-±5%-1/16W
RB11 4K7ohm-0402-±5%-1/16W
5V-M
ADJ
PWM
RB15
NC/3K3ohm-0402-±5%-1/16W
GND
+
EL44
NC/470uF-10V-±20%-6.3×11-105 -
AVDD-2.5V/1.8V
VI
3
VO
2
A
D
J
1
VO
4
UL41
LC1117CLTRAD
CL42
0.1uF-0402-Y5V-+80%-20%-16V
RL41
120ohm-0402-±1%-1/16W
RL42
56ohm-0402-±1%-1/16W
CL50
0.1uF-0402-Y5V-+80%-20%-16V
CL43
0.1uF-0402-Y5V-+80%-20%-16V
GND
5V-M
GND GND
CL41
10uF-0805-X5R-±10%-6.3V
CL14
10uF-0805-X5R-±10%-6.3V
BL-ON
GND
GND
1
2
3
4
5
6
CN6
6PIN-2.0-D-H- -G
ADJ
12V
12V
Chapter 7. Electrical Parts
7-1. Circuit Diagram