TCL L28D2710PSA, Service Manual

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TP.MS1306.PB771 A14354
Model Name:
CHK'D:
DATE:
VERSION:
DATE:
DRAWN:
Senjan Yang 2014-8-28
V1.0
EMI
电路
辅助材料
恒流电路
SGND
GND
Vbridge
!
!
!
! !
! !
!
!
!
RB1
1M2ohm-1206-¡À5 %-1/4W
R
B
2
1M2ohm-1206-¡À5 %-1/4W
R
B
3
1M2ohm-1206-¡À5 %-1/4W
R
B
4
1M2ohm-1206-¡À5 %-1/4W
NTCB1
SCK132R56MBY502
CYB1
470pF,400VAC
CYB2
470pF,400VAC
1
1
HS
2
2
HSB2
12V
GD1 GD2 GD3
1 4
2 3
LCB2
SYT14-L003
1
1
HS
2
2
HSB4
HS
FB1 5N1315AP(520-39)- 慢断带套管
2
1
CNB1
ST-A03-M02
GND
GND
OVP
LED+
GATE
VBL
LED+
LB801
SYDR1212-L003
RB812
10ohm-1206
CB801
220pF,1000V
A K
DB801
SB3100
D
G
S
QB801
ME15N10
CB809
220pF,1000V
R
B
8
1
0
10ohm-1206
LED+
LED1
LED2
LED3
LED4
HS
+
E
B
8
0
3
+
E
B
8
0
1
47uF-100V
+
E
B
8
0
2
47uF-100V
R
B
8
5
6
0R47ohm-1206
1 2 3 4 6 5 7 8
1
0 9
CNB801
10PIN-2.0-D-H-G-
带扣
-B
1 2 3 4 6 5
CNB802
LB802
LED+
LED2
LED1
LED3
LED4
R
B
8
1
8
0R47ohm-1206
R
B
8
1
9
0R47ohm-1206
R
B
8
2
0
0R47ohm-1206
1 4
2 3
LCB1
SYT10-L002
BB801
φ3.5¡Á3 .0¡Á0 .65mm
RB805
1Kohm-0402
A
K
DB802
M7(WEJ)
A
K
DB803
A
K
DB804
M7(WEJ)
A
K
DB805
VBL
LED1 LED2 LED3 LED4
RB823
0ohm-1206
RB824 RB825
0ohm-1206
RB807
20ohm-0805
RB822
1
0
K
o
h
m
-0
4
0
2
1
1
HS
2
2
HSB3
12V
反激电路
VCC
SGND
SGND
SGND
SGND
SGND
GND
VBL
GND
12V
GND
12V
12V
Vbridge
GND SGND
BRO
!
!
!
!
RB101
560Kohm-1206
GND
1
COMP
2
OTP
3
CS
4
VCC
5
OUT
6
UB101
LD7537RGL-M
3
4
P
C
B1
0
1
B
LTV-817S-TA-B
1
2
PCB1
0
1
A
L
T
V
-8
1
7
S
-T
A
-B
K
A
R
UB102 TL431M-A
C
B
1
0
3
1000pF-0402-50V
R
B
1
0
4
150Kohm-0402
RB105
510ohm-0402
C
B
1
1
4
400V,4700pF
A K
DB106
FR207
C
B
1
1
6
1
K
V
,1
0
0
p
F
R
B
1
1
6
1
0
o
h
m
-1
2
0
6
RB106
47ohm-0805
RB107
470ohm-0402
RB108
20ohm-0805
RB109
10Kohm-0402
RB1
4
8
0
R3
0
o
h
m-¡À
5
%
-3
W
+
EB106
10uF-50V
C
B
1
0
2
0.1uF-0603-50V
CB118
470pF,1000V
RB125
47ohm-1206
DB102
SSF3GG
RB140
5
1
K
o
h
m
-1
2
0
6
CB117
1000pF-0805-200V
RB129
22ohm-1206
RB131
510ohm-0603
RB132
3Kohm-0402
RB135
18Kohm-0402
RB133
3Kohm-0402
CB109
0.1uF-0603-50V
CB110
RB134
4K7ohm-0402
R
B
1
2
3
100Kohm-¡À5 %-2WS
QB102
3CG3906M
DB101
MBRB10150CT
+
EB1
100uF-450V
CYB3
470pF,400VAC
+
E
B
1
0
1
470uF-25V
+
EB104
100uF-63V
BB101
φ3.5¡Á6 .0¡Á0 .65mm
CB1
0
1
100pF-0402-50V
R
B
1
0
3
+
E
B
1
0
2
470uF-25V
RB126
47ohm-1206
RB127
47ohm-1206
RB130
22ohm-1206
CB104
100pF-0402-50V
DB103
+
EB105
100uF-63V
HV
RB102
560Kohm-1206
3
1
5
6
9
7
8
10
11
TB101
SYEQ2612-T002
C
B
1
1
9
1
0
0
0
p
F
-0
8
0
5
-2
0
0
V
R
B
8
0
6
1
0
K
o
h
m
-0
4
0
2
R
B
8
0
1
1
K
o
h
m
-0
4
0
2
RB808
680Kohm-0402
R
B
8
3
1
C
B
8
0
8
GND
LED2
LED1
LED4
LED3
PWM_DIM
C
B
8
0
6
1
0
0
0
p
F
-0
4
0
2
-5
0
V
GND
RB804
270ohm-0402
CB811
RB816
2R2ohm-1206
GATE
12V
GND
OVP
CB8
0
4
2
2
0
p
F-
0
4
0
2
-5
0
V
CB817
1
u
F
-0
6
0
3
-2
5
V
CB803
1
u
F
-0
6
0
3
-2
5
V
R
B
8
3
0
2
4
K
o
h
m
-0
4
0
2
R
B
8
1
7
COMP
1
EN
2
PWM
3
GND
4
GATE
14
OVP
12
OSC
5
ISENSE
13
VIN
15
VCC
16
LED3
9
LED2
10
LED1
11
ISET
6
ADIM
7
LED4
8
E
P
A
D
1
7
UB801
MP3398AGF-Z
C
B
8
1
6
1
0
0
0
p
F
-0
4
0
2
-5
0
V
DB806
BAV70
12V
BL_ON
RB826
C
B
8
0
2
1
0
0
p
F
-0
4
0
2
-5
0
V
C
B
8
0
7
1
0
0
p
F
-0
4
0
2
-5
0
V
C
B
8
1
0
1
0
0
0
p
F
-0
4
0
2
-5
0
V
GND
R
B
8
2
9
1
0
K
o
h
m
-0
4
0
2
RB814
3
3
0
K
o
h
m
-0
8
0
5
R
B
8
0
3
6
K
2
o
h
m
-0
4
0
2
DB809
R
B
8
2
1
1
1
HS
2
2
HSB1
HV
L
SGND
BRO
C
B
1
1
1
0.47uF-0805-50V
RB141
2Mohm-1206
RB142
2Mohm-1206
1
2
P
C
B
1
0
2
A
GND
12V
1
1
3
3
2
2
ZB102
R
B
1
3
8
R
B
1
3
9
!
GND
12V
1
2
CNB2
2PIN-2.0-D-H-G-B
RB110
10ohm-1206
1
1
3
3
2
2
ZB101
A
K
D
B
1
0
4 M7
A
K
D
B
1
0
5
R
B
1
1
4
0
o
h
m
-1
2
0
6
R
B
1
1
5
3
4
P
C
B
1
0
2
B
!
SGND
T3.15AH 250V
～
RB128
47ohm-1206
L
L
C
X
B
1
0.47uF
PWM_DIM
BL_ON BL_ON
PWM_DIM
PWM_DIM
BL_ON
TEST1
TEST2
GND
CB814
LED+
RB836
LED1
OVP
1
1
3
3
2
2
ZB801
CB805
0.47uF-0805-50V
!
!
M
O
V
B
1
DB1
RL207
!
R
B
1
4
3
R
B
1
4
4
12V
VBL
LED1
DB2
RL207
DB3
RL207
DB4
RL207
D
G
S
QB101
MMD60R580PRH
D
G
S
NC
NC NC NC
NC NC NC NC
NC
NC
NC
NC
NC
NC
NC NC
NC
NC
NC NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC NC
NC
NC
NC
NC
NC