TCL LCD20W5HE, Service Manual

Page: 51 / 87

20” LCD TV TCL LCD20W5HE
51
10.2 Power Board
715T1599-3
VCC2
R915
39K 1/8W
C965
0.1uF
VCC2
Q931
PMBS3904
R961
43K 1/16W
R953
130K 1/4W
+
C972
2200uF
C969
0.1uF
C905
0.001uF/250V
500mVpp/20MHz
C930
0.001uF
+5V
R968
1K
R943
2K 1/8W
+
C981
1000uF/35V
L901
L
1 4
2 3
+24V
+
C933
47uF/50V
CN903
CONN
1
2
3
4
5
6
7
8
9
10
TL950
H431BA
L980
2.8uH
C950
0.1uF
R910
510K 1/8W
F970
FUSE
R971
47 1/2W
12V
R962
47K 1/16W
22.8~25.2V
t
RT901
SCK10035
1
2
Q990
PMBS3904
R902
680K 1/8W
F980
FUSE
CN904
CONN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R919
510K 1/8W
R980
100 1/2W
R918
0.22 2W
D931
MLL4148
+
C917
NC
-12V
ON/OFF
D960
SBM84
VCC2
FB92
BEAD
11.4~12.6V
VCC1
-12V
Q940
PMBS3906
D922
MLL4148
R921
510K 1/8W
IC910
FA5500AN
1 2
3 4
8 7
6
5
FB CO
M
P
MUL IS
VCC OUT
GN
D
Z
C
D
0.0~3.0A
24V
+12V
Q962
PMBS3906
C916
0.0022uF
+5V
R933
100K 1/8W
0.1~3.0A
R913
10K 1/16W
D961
NC
+
C982
1000uF/35V
D970
SRF20150C
1
2
3
R966
4.7K 1/16W
C963
0.1uF
R963
3K 1/16W
R942
3.3K 1/8W
C915
NC
ZD990
MTZJ30D
1 2
100mVpp/20MHz
D910
FMX-G26S
L904
150uH
+
C971
2200uF
5V
C962
NC
Q991
PMBS3904
R964
3K 1/16W
D930
BY V26E
C911
0.01uF
120mVpp/20MHz
24V
R969
0
C906
0.22uF/275V
GND
C940
0.47uF/16V
R934
100K 2W
ZD930
RLZ15B
1
2
C966
0.47uF/16V
PWM
T901
POWER X'FMR
1
10
7
3
4
6
12
8
11
9
R912
510K 1/8W
ZD980
SMAJ26A
1
2
F960
FUSE
Q910
20NM60
2
1
3
D911
MLL4148
R931
200K 1/8W
FB960
BEAD
C907
0.47uF/275V
D980
SRF20200C
1
2
3
R932
100K 1/8W
R960
33K 1/10W
R914
10K
R916
10
R954
2.43K 1/16W
R990
3.3K 1/4W
R911
510K 1/8W
Q941
2N5060
FB904
BEAD
PC991
PC123
1
2
4
3
VCC1
R938
2K 1/8W
L903
150uH
PWM
D991
MLL4148
VCC3
C901
470pF/250V
C902
470pF/250V
VCC1
R941
10K 1/8W
+12V
R950
470 1/4W
GND
+
C967
1000uF/10V
C910
1uF
12V
+
C968
1000uF/10V
D981
NC
1
2
3
C912
0.47uF/16V
PC950
PC123
1
2
4
3
R901
680K 1/8W
C913
0.047uF
R970
1K
C983
0.1uF
ZD992
MTZJ T 6.2B
1 2
VR901
v aristor
C964
NC
IC930
LD7575
1
2
3
4
5
6
8
ADJ
FB
CS
GND
DRV
VCC
HV
+
C934
47uF/50V L902
L
1 4
2 3
R965
20K 1/16W
L960
10uH
12V
GND
.
L910
PFC CHOKE
7
6
1
10
+
C973
1000uF/16V
F901
FUSE
D990
MLL4148
-12V
R930
200K 1/8W
R937
0.27 2W
R992
10K 1/8W
R917
470
Q960
P06P03LDG
2
1
3
CN901
SOCKET
1 2
3
VCC3
ON/OFF
C975
0.001uF
R951
2.43K 1/16W
D932
FR103
24V
R991
2K 1/8W
C914
0.001uF
5V
R903
680K 1/8W
Q930
STP8NK80ZFP
R952
12K 1/4W
C951
0.1uF
IC960
FP5001
1
2
3
4
5
6
7
8
OU
T
VCC
COMP
FB
SCP
DTC
RT
GN
D
+12V
R936
470
R940
10K 1/10W
R967
0
C974
0.1uF
ON/OFF
PC990
PC123
1
2
4
3
D971
NC
1
2
3
R922
10K 1/16W
Q961
PMBS3904
-+
BD901
GBU805
2
1
3
4
L970
2.8uH
R920
510K 1/8W
C932
0.001uF
FB903
BEAD
12V
C905
0.0022uF/250V
C980
0.001uF
ZD991
MTZJ15B
1 2
0.0~2.0A
+
C931
82uF
+
C960
470uF/16V
R935
10
C961
0.1uF
+24V
11.4~12.6V
R993
3.3K 1/4W