Sharp LC-42SV50U Service Manual

78
[2]POWER SCHEMATIC DIAGRAM
POWER SCHEMATIC DIAGRAM FOR
（ LC-32SV40U ）
1)
AC Input and EMI Filter:(fig.9)
Fig.9
CN101 is a connector for connecting AC Power. F101&F102 are fuse to protect all the circuit
AC. Input voltage is single 120V. CY101, CY102, CY103, CY104, CY105, CY106 are used high
frequency noise of primary between common GND.LX101,LX102,CX101, CX102 is used to filter
low frequency noise. RX101, RX102 and RX103 are used to discharge CX101 and CX102
remnants voltage
1) PFC & LLC & Standby Control Circuit:(fig.4)
CP112
1000p/50V
CY102
1000p/250V
CP201
10P/50V
RP109
NC
RP206
15K
RP114
10K
CP202
100p/50V
-+
BD101
KBJ608G
1
2
4
3
DP109
FR10-10-LF
RP101
0Ω
CP101
NC
CY105
1000p/250V
RP113
10
RP209
0
D1
3.New item and P/N
GP204
G-CON
VZ105
560V
1 2
GP209
G-CON
F101
5A/250V
RP102
0Ω
CP109
NC
2.Mosfet and Heatsink
GP208
G-CON
CP203
0.1u/50V
FR101
0.1Ω 2W
LB106 NC
CP205
NC
CX102 0.33u/275V
LB122
RP104
NC
DP108
FR10-10-LF
UP101-PIN1
VZ102 560V
12
RP105
NC
GP210
G-CON
DP104
NC
LB101
FERR BEAD
DP106
NC
12
LB121
CP104
C0805-P
0.1u/ 50V
DP103
1N5408RLG
CP102
IuF/500V
B1+
LX101
11mH
2 1
3 4
RP201
68K 1%
RP110
NC
LP103
NC
F102
5A/250V
DP101
FR10-10-LF
RP207
18K 1%
DP102
1N5408RLG
BD+
RP106
NC
RP118
1M 1%
SG103
300V
2 1
1.common choke and Transformer desgin
CY 112
1000p/250V
GP202
G-CON
VZ101 560V
12
GP203
G-CON
UP101-PIN5
UP101-PIN4
GP205
G-CON
CY 106
470p/250V
RP111
NC
RP202
0
RP117
1M 1%
CY 111
470p/250V
SG105
4500V
2 1
LX102
11mH
2 1
3 4
D1
CY103
470p/ 250V
+
CP111
100u/450V
D
CN101
A3936WV2-5P-6T-C
1 5
3
RP107
10
RP108
NC
RX103
470K
CX101 0.33u/275V
QP102
TK1 0A6 0D
G
DS
UP101-PIN5
RX101
470K
UP101 FAN6961SZ
5
31
6
2
4
8
7
ZCD
MOTINV
GND
COMP
CS
VCC
GD
CP103
NC
UP101-PIN1
RP120
0Ω
RP112
NC
LB105 NC
RP119
19.1K 1%
CY110
470p/250V
RX102
470K
RP205
0
QP101
NC
G
DS
RP103
NC
RP115
22
LB102
FER R BE AD
CP106
3300p/50V
.
LP101
NC
10
5 1 8
.
LP102
250uH
10
5 1 8
RP203
0.2 2W SH ORT
VCC_PFC
CP110
150PF/1KV
RT101
NTC 2.5Ω/8A
12
GP207
G-CON
RP204
330 1%
CP204
0.03 3u/50V
+
CP105
10u/50V
CY113
1000p/250V
SG104
300V
2 1
DP105
MUR 460
CP108
C0805-P
NC
RP116
1M 1%
CY104
1000p/250V
GP206
G-CON
GP201
G-CON
UP101-PIN4
CP107
NC
CY101
1000p/250V
DP107
SN4148
12
RP208
NC

Sharp LC-42SV50U Specifications

General

Brand	Sharp
Model	LC-42SV50U
Category	LCD TV
Language	English