Haier 32D3005, Руководство по обслуживанию

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Service Manual
Model No.: 32D3005
Chapter 7. Electrical Parts
7-1. Circuit Diagram
VCC
SGND
SGND
SGND
SGND
SGND
GND
VBL
SGND
GND
12V
GND
GND
12V
GND
12V
12V
12V
Vbridge
L
S
GND SGND
R
B
117
BRO
SGND
BRO
OVP CIRCUIT
!
!
!
!
!
!
RB141
RB142
RB143
C
B
111
RB101
RB102
GND
1
COMP
2
OTP
3
CS
4
VCC
5
OUT
6
UB101
3
4
PC
B
101B
1
2
PC
B
101
A
K
A
R
UB102
C
B
103
R
B
104
3
4
PC
B
102B
1
2
PC
B
102A
C
B
101
RB105
R
B
118
CB114
R
B
119
R
B
120
R
B
121
R
B
122
A K
DB106
BB101
CB116
R
B
112
R
B
113
R
B
114
R
B
115
RB106
RB107
RB108
RB109
QB101
RB148
R
B
111
C
B
113
R
B
116
A
K
D
B
104
EB106
RB110
DB105
1
1
3
3
2
2
ZB101
EB107 C
B
102
CB118
RB124
RB125
RB126
RB127
RB144
RB145
RB146
RB147
A K
DB102
A K
DB103
R
B
140
CB117
RB128
RB129
RB130
RB131
RB132 RB135
RB133
CB109
CB110
RB137 RB134
1
2
3
4
CNB2
RB138
1
1
3
3
2
2
ZB102
R
B
139
R
B
123
QB102
1
3
2
DB101
CYB3
EB
104
EB
105
4
5
2
1
8
9
7
10
TB101
EB1
EB101
BB102
4
5
2
1 8
6
9
10
7
4
5
2
1
9
10
NC
NC
NC
NC
NC
NC
NC
NC NC NC
GND
GND
GND
OVP
OVP
LED+
GATE
GATE
GND
PWM-DIM
GND
VBL
DVCC
12V
GND
PWM-DIM
PWM-REF
VCC_Panel
LED-SHORT LED-SHORT
VCC_Panel
PWM-REF
PWM-DIM
VCC_Panel
LED-FB
LED+
LED-FB
PIN1
PIN6
PIN7
PIN8
DB803
RB816
VIN
1
GATE
2
GND
3
CS
4
PWM
8
COMP
6
FB
5
OVP
7
UB801
RB801
CB807
RB802
C
B
806
RB820
LB802
LB801
BB801
RB812
RB813
CB810
DB801
CB809
R
B
810
R
B
811
RB807
RB809
RB808
RB821
RB814
RB815
EB801 EB802 EB803
A
K
D
B
804
R
B
837
R
B
838
R
B
839
R
B
840
R
B
841
1 2
CNB802
QB809
BB802
2 5
6
LB803
LED-FB
GND
RB805
PIN5
CB812
GND
RB822
C
B
802
RB828
PIN7 PIN1
PIN4
RB806
PIN4
RB827
CB804
QB804
DB807
CB801
GND
LED-SHORT
QB802
R
B
826
R
B
825
CB813
DB805 DB806
LED1 LED2 LED3 LED4
RB823 RB824
R
B
830
R
B
831
R
B
832
R
B
833
LED1 LED2 LED3 LED4
DVCC
RB834 RB835
C
B
E
QB805
C
B
E
QB806
C
B
E
QB807
C
B
E
QB808
1 2 3 4 5 6 7 8 9
10
CNB807
LED+
LED1
LED2
LED3
LED4
CB803
1 2 3
CNB801
1 2 3 4 5 6 7
CNB806
LED+ LED-FB
LED+ LED+
LED1 LED3
1 2
CNB803
1 2 3 4 5
CNB805
1 2 3 4 5
CNB804
LED1 LED2
LED3 LED4 LED+ LED+
CB805
RB804
D
G
S
QB801
RB803
1 2 3
CNT1
PWM-DIM
3V3_STB
LED-SHORT
DB
T1
PWM-REF
1
1
HS
2
2
HSB5
1
1
HS
2
2
HSB6
R
B
850
R
B
851
R
B
852
R
B
853
R
B
819
EB804
NC NC
NC
NC
NC NC NC NC
NC NC
NC
NC
NC
NC
EMI
⭥䐟
SGND
GND
Vbridge
!
!
!
!
! !
! !
! !
!
!
!
RB
1
RB
2
RB
3
RB
4
CX
B1
CX
B2
DB1 DB2
DB3 DB4
3
1
N
L
CNB1
NTCB1
FB1
3
2
4
1
LCB2
MO
V
B
1 CYB1
CYB2
1
4
2
3
LCB1
!
1 4
2 3
LCB3
S
L
CX
B3
!
NC
NC
NC
T3.15AL 250VAC