Haier 32D3005 Service Manual

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
GNDSGND
RB117
BRO
SGND
BRO
OVP CIRCUIT
!
!
!
!
!
!
RB141
RB142
RB143
CB111
RB101
RB102
GND
1
COMP
2
OTP
3
CS
4
VCC
5
OUT
6
UB101
3 4
PCB101B
12
PCB101A
KA
R
UB102
CB103
RB104
3 4
PCB102B
12
PCB102A
CB101
RB105
RB118
CB114
RB119RB120 RB121RB122
AK
DB106
BB101
CB116
RB112 RB113 RB114 RB115
RB106
RB107
RB108
RB109
QB101
RB148
RB111
CB113
RB116
AK
DB104

EB106
RB110
DB105
1
1
3
3
2
2
ZB101

EB107 CB102
CB118
RB124
RB125
RB126
RB127
RB144
RB145
RB146
RB147
A K
DB102
A K
DB103
RB140
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
RB139
RB123
QB102
1
3
2
DB101
CYB3

EB104

EB105
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 NCNC
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
CB806
RB820
LB802
LB801
BB801
RB812
RB813
CB810
DB801
CB809
RB810 RB811
RB807
RB809
RB808
RB821
RB814
RB815

EB801

EB802

EB803
AK
DB804
RB837 RB838 RB839 RB840 RB841
1 2
CNB802
QB809
BB802
2 5
6
LB803
LED-FB
GND
RB805
PIN5
CB812
GND
RB822
CB802
RB828
PIN7PIN1
PIN4
RB806
PIN4
RB827
CB804
QB804
DB807
CB801
GND
LED-SHORT
QB802
RB826 RB825
CB813
DB805 DB806
LED1 LED2LED3 LED4
RB823 RB824
RB830 RB831 RB832 RB833
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 LED4LED+ LED+
CB805
RB804
D
G
S
QB801
RB803
1 2 3
CNT1
PWM-DIM
3V3_STB
LED-SHORT
DBT1
PWM-REF
1
1
HS
2
2
HSB5
1
1
HS
2
2
HSB6
RB850 RB851 RB852 RB853
RB819

EB804
NC NC
NC
NC
NCNCNCNC
NC NC
NC
NC
NC
NC
EMI
⭥䐟
SGND
GND
Vbridge
!
!
!
!
!
!
! !
! !
!
!
!
RB1 RB2
RB3 RB4 CXB1 CXB2
DB1 DB2
DB3 DB4 3
1
N
L
CNB1
NTCB1
FB1
3 2 4 1
LCB2
MOVB1
CYB1
CYB2
14 23
LCB1
!
1 4
2 3
LCB3
S
L
CXB3
!
NC
NC
NC
T3.15AL 250VAC

Haier 32D3005 Specifications

General

Brand	Haier
Model	32D3005
Category	LED TV
Language	English