Lcd Backlight Schematic Diagram - Panasonic VDR-D100EB Service Manual

12.4. LCD BACKLIGHT SCHEMATIC DIAGRAM

LCD BACKLIGHT SCHEMATIC DIAGRAM
(TO LCD SW) FP8101
LCD_STV1 1
LCD_U/D 2
LCD_CPV 3
LCD_OEV
4
C
LCD_STV2
5
LCD_COM 6
LCD_STH2 7
LCD_R 8
LCD_G 9
LCD_B 10
LCD_R/L 11
LCD_CLK3 12
LCD_CLK2 13
LCD_CLK1 14
LCD_Q2H 15
LCD_OEH 16
LCD_STH1 17
LCD+3V 18
LCD+12V 19
LCD-15V 20
LCD+5V 21
LCD_BL+5V
22
LCD_BL+5V
23
A_GND 24
A_GND 25
BL_CONT 26
B
A
1
R8102 330
R8106 330
R8103 330
R8104 0
R8105
0
R8101
0
L8101 10U
L8102
10U
L8103
10U
TP8106
R8107
0
D8101 D8103
TP8105
HEW1142LS HEW1142LS
BACK LIGHT BACK LIGHT
D8102
PT
Q8101
2SD1819ARL
(LED DRIVE)
R8108
47[D]
NOTE:
ALL INDIVIDUAL PARTS EXCEPT D8101, D8103, D8105, AND D8107
ON LCD BACKLIGHT P.C.B. ARE SUPPLIED AS REPLACEMENT PARTS.
WHEN SERVICING THESE PARTS, REPLACE LCD BACKLIGHT P.C.B.
INSTEAD OF INDIVIDUAL PARTS.
D8107
D8105
HEW1142LS HEW1142LS
BACK LIGHT BACK LIGHT
D8104 D8106
PT PT
Q8102 Q8103
2SD1819ARL 2SD1819ARL
(LED DRIVE) (LED DRIVE)
R8109
R8110
47[D]
47[D]
2
NOTE: For placing a purch
be sure to use the
Do not use the par
TP8102
TP8103 TP8101 C8111
PT
L8104
10U
R8112
10K
D8108
PT
Q8104 R8113
2SD1819ARL 10K
(LED DRIVE)
R8111
47[D]
R8126
PT
R8121
PT
R8122
PT
PT
R8123
3
64
TP8104
C8104
2R2
R811
180K[D
R8114
100K[D]
R8115
12K[D]
Q8107
PT
(DRIVE)