Backlight Inverter - Sanyo DP19640 Service Manual

A B
8
7
FROM POWER
W816
INV+B
GND
6
INVERTER +B SW
Q7002 KTC3198
12.4 8.3
9.1
R7022
P.CON+12V
1.8K 1/4W
5
C7011
25V
DRV1
R7001
W813
BURST
LIGHT_CTL
DRV2
12K 1/4W
REG
4
R7010
33K +-1%
R7013
R7004
ENA
INVERTER_H
220K +-1%
1K 1/4W
3
R7008
100 1/4W
2
2.5A 125V
CAUTION
:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE 2.5A 125V(F7001)
ATTENTION
:POUR UNE PROTECTION CONTINUE LES RISQUES D'INCEIE
N'UTILISER QUE DES FUSIBLE DE MEME TYPE 2.5A 125V(F7001)
CAUTION
:F7001 IS MANUFACTURED BY SKYGATE CO.,LTD., TYPE 20N.
1
A B
G-25
C
BACKLIGHT INVERTER SCHEMATIC DIAGRAM
INVERTER CTL IC
IC7001
STR-H3315B
8.3
R7020
Vcc ENA
1 B
R7011 15K 1/16W
DRV1 PRO
C7002
C7019 25V 0.1 B
DRV2 CT
10V 2.2 B
0
GND OVP
R7014 1M 1/16W
C7003 C7009 C7021
REG FBOUT
0.01 B 0.01 B 25V 0.1 B
R7018 47K 1/4W
RI FB
C7015
R7035 27K 1/16W
CF BURST
27K 1/16W
680P CH R7034
C7004
RS CB
16V 0.22 B
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D E
(POWER PCB)
INV DRIVE 3.8A/60V/56mohm
Q7004
TPC8218-H
0 12.4 R7039
S1 D1
33 1/4W
R7023 2.6 G1 12.4
D1
DRV2
22
0 12.4
S2 D2
R7024 2.6 G2 12.4 R7038
D2
DRV1
22 33 1/4W 500V
ENA
39K 1/4W
REG
W804
VS_DET
COMP_FB
IS_DET
Q7001
BURST
2SC3052
1.5
R7021 R7047 D7012
REG
0.3
220K 10K 1SS133
0.0
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
T7001
81200027
12.0
6 7
600
C7018
NC 5
500V 0.0022 B
12.0
4
12.0
3
C7017
2
NC
0.0022 B
12.0
600
1 8
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F G
H
8
7
HIGH VOLTAGE
CP7001
C3502(BHDS-2AW)
NC
LV 2
HV 1
NC
6
VS_DET
IS_COMP
IS_DET
CP7002
C3502(BHDS-2AW)
NC
LV 2
5
HV 1
NC
HIGH VOLTAGE
4
3
2
PCB240
CEJ535
1
H
G-26