Service Manuals, User Guides, Schematic Diagrams or docs for : CHANGHONG LCD LT4018 PSU+Inverter Changhong+LT4018+PSU+Inverter
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D D
FSP-242-277-282-4F01-1/2 CHANGHONG:LT4018\4288 A
D8
BD1 L2 Q3 Q4 5A
KBU8 PQ2620 K3569 K3569
PFC-OUT
F1
CN D7
AC220V 5A/250V R MAR
CY1 L1
1M BS415 uH
2
Z1 FL1 C FL2 FL3
1 R R R R C1
460 uH 0.33u uH uH
10R 51R 51R 10R 330u/450V
R CY2
1M BS415 C C C
104 104 104 D D
4148 R5 4148
0.1R/5W
C C
FSP242-4F01
+5.0V-S---1.0A
+5.0V---4.0A
+12.0V-AUDIO---3.0A
R R R
+24.0V-INV---7.5A 820K 68K 510R
+12VB
R R
820K 68K R R R
FSP277-4F01 20R 20R
75K
Q
PNP
+5.0V-S---1.0A
C
+5.0V---4.0A R R R +12VC
p
820K 68K IC3 RES2
+12.0V-AUDIO---3.0A R UCC28051 Q R
1K5 NPN 1K8
B B
+24.0V-INV---9.0A 1
VO-SNS VCC
8
R
10R
2 7
COMP DRV
3 6 R
MULTM GND 10K
D
R C
FSP282-4F01 10K CAP
4
CS ZCD
5 4148 Q
PNP
+5.0V-S---0.5A
Q
+5.0V---3.0A NPN
+24.0V-AUDIO---3.0A C C R C R C C R
CAP p 18K CAP 51R p 10u 100K
+24.0V-INV---8.0A
PGND
A A
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
L +5V-S Q L C +5V
PFC-OUT
uH 40N03 uH 220u
D
ST-BY
D 4148
4148 R
1K
R
A Q 30K
2222 IC2 D
R 1
TEA1532 D C MAR537
+12VA 4148 15K 2
102
C 3
D 1 8 D
33u VCC DRAIN Q 4
C
04N70 5
2 7 T p
R GND DRIVER R 6
5K1 120R EER3530 C C C
7
3 6 C 1500u 1000u 220u
PROTECT SENSE 8
p
R 9
4 5
CTRL DEM 30K 10
R
D 1K
12V6 C CN
p CON10
R R C D R R R R
2K 9K1 p D D R 104 10R 10R 10R 10R
R V 104 R47/2W
16K
C D R C
33u 4148 180K p C
p
PGND
Q
IC7B C PNP
p
PC123 R +12V-AUDIO
R 4R7
9K1
R
1K
D D
C R R R ST-BY R TH1 V R 4148 R C
+12VB +12VA 20K
1K 9K1 1K 1K R ON 10K
OC
Q R D D D OFF
PNP 1K 4148 V 4148
+12VA R ST-BY
R 240K R 5V-S
IC7A IC6A IC4A 1K Q
PC123 PC123 3K PC123 D D NPN
R 4148 V C D
10K p 4148
24V-INV
Q Q
IC NPN NPN D
LM431 DIODE R
10R
+30V
7
IC4B IC6B C
PC123 PC123 p R
R D C C R TB R R D K ICS1B
R K 4148 p p 27K 39K p 30V AS358A
1K EER4535
C
p
5
6
PFC-OUT
R R CN
D IC1 R
10R
R
30R
Q FSP-242-277-282-4F01-2/2 K LS2 K 12V-24V
4148 C L6598 K3569 TC uH
B p EER4535 B
1
1 16 D
CSS VBOOT 4148 R 2
30K C C R R R R R R C 3
C R 2 15 C
RFSTART HVG 680u 680u 5K1 5K1 5K1 5K1 5K1 5K1 220u 4
p 15K p D
TD 5
3 14 MAR537
CF OUT 6
EER4535
R 7
56K 4 13
RFMIN NC 8
5 12 D +12V-AUDIO
R OPOUT VS 4148 Q +24V-INV
2K R
1
6 11 K3569 +30V
OPIN- LVG 16K R R OC
C R 7 10 R R C 4K7 K ICS1A
p 20K OPIN+ GND 10R 30R R
R p C R AS358A
4K7
8 9 30K p K 8 4
EN1 EN2
D IC5A
MAR537 PC123 R
3
2
IC K
LM431
TA TE R R
IC5B +12VC K 1K
EER4535 EER4535
PC123 D
C 4148
4u7 +24V-INV
R
R
Q TF
6 6
A NPN C EER4535 A
R R R R R R R R 5 5
2K5 220p
R R 51R C 16K 16K 16K 16K 16K 16K 4 4
C C C CN CN
9K1 51K 33u 3 3
CAP p 223 D 24V 24V
2 2
MAR537
R 1 1
27R
C C C C
1000u 1000u 1000u 1000u
1 2 3 4 5 6 7 8
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