Sanyo DP19241 Service Manual page 36

A B
8
7
FROM/TO POWER
LED+12V
6
INVERTER_H
LIGHT_CTL
SOUND_GND
5
GND2
4
3
2
1
A B
G-23
C D
BACKLIGHT INVERTER SCHEMATIC DIAGRAM
(POWER PCB)
LED DRIVER IC
IC7001
R7013
OZ523GN-A-0-TR
1K 1/16W
0
GNDA NC
NC
13.5
12
VIN LX
R7003
18
3.5
ENA BST
10 1/16W
1.8 LIGHT _CTL SW
6.5
VDDA FB
Q7001
MCH3479-TL-H
0.7
R7004
3.3
10K 1/16W +-1%
R7014
1K 1/16W
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E
L7002
W813
10uH
PF13
W806
R7005
1K 1/16W
+-1%
0.7
R7009
1.5 1/4W +-1%
R7010
1.5 1/4W +-1%
R7011
1.5 1/4W +-1%
R7012
1.5 1/4W +-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
CP7001
00_6232_007_006_800+
10V 900mA
VLED
7
VLED 6
VLED
5
60mA
ILED1 4
ILED2 3
840mA
ILED2
2
ILED2 1
F G
H
8
7
6
5
4
3
2
PCB240
CEK631
1
H
G-24