Backlight Inverter Schematic Diagram - JVC LT-22HG45E Service Manual

A B
8
7
FROM/TO POWER
6
LED+12V
LIGHT_CTL
B7001
5
SOUND_GND
W4BRH3.5X6X1.0
GND
4
3
2
1
A B
C D

BACKLIGHT INVERTER SCHEMATIC DIAGRAM

INVERTER DRIVE
IC7001 NR887D
C7005 R7004
5.0 0
SS
BS
50V 0.1 B 100 1/10W
12.7 5.0
VIN EN
5.0
SW NC NC
4.8
0
FB
GND
GNDPATTERN
R7001
1K 1/16W
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E
(POWER PCB)
PATTERN
C7016
50V 470P CH
L7002
D7003
B7002
HCB3216KF-391T20
RB056L-40 22uH PF13
W806
VFB
R7005
0.8V
10K 1/16W
+-1%
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.
E
F G
FROM/TO LED PCB
CP7001 (CD2003)
00_6232_007_006_800+
10V 960mA
VLED 7
VLED
6
VLED 5
ILED1 4
ILED2 3
960mA
ILED2 2
ILED2 1
R7008
3.9 1/4W +-1%
R7009
3.9 1/4W +-1%
R7010
3.9 1/4W +-1%
R7011
3.9 1/4W +-1%
R7012
3.9 1/4W +-1%
F G
H
8
7
6
5
4
3
2
PCB240
CEL788
1
H