Lcd Backlight Schematic Diagram - Panasonic NV-GS80E NV-GS80EB Service Manual

11.3. LCD BACKLIGHT SCHEMATIC DIAGRAM

LCD BACKLIGHT SCHEMATIC DIAGRAM
(TO LCD SW) FP8101
C
LCD_HCK2 1
LCD_HCK1 2
LCD_PCG 3
L8101 100U
LCD_+8.5V 4
R8153 0
LCD_R/L 5
R8154 0
LCD_WIDE 6
LCD_HST 7
R8102 270[D]
LCD_B 8
R8105 270[D]
LCD_G 9
R8106
270[D]
LCD_R 10
LCD_PSIG/LCD_VCSH 11
LCD_XSTB/LCD_FR 12
LCD_U/D
13
LCD_EN 14
LCD_VCK 15
LCD_VST 16
LCD_COM/LCD_OEVE 17
LCD_BL_+5V 18
LCD_BL_+5V 19
BL_CONT 20
D_GND 21
D_GND 22
*
B
A
D8104
D8102
NSSW020BT-P1
NSSW020BT-P1
BACKLIGHT
BACKLIGHT
R8108
R8107
27[D]
1
2 NOTE:
ALL INDIVIDUAL PARTS EXCEPT D8102, D8104, D8107, D8109 AND D8111
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.
R8114
R8122
56K[D] PT
Q8107
2SA2174J0L
(DRIVE)
C8110
PT
R8155 0
R8150 R8151 R8152
PT PT PT
Q8116
PT
Q8115
PT
Q8114
PT
R8113
0
D8107 D8109 D8111
NSSW020BT-P1 NSSW020BT-P1 NSSW020BT-P1
BACKLIGHT
BACKLIGHT BACKLIGHT
0
R8124
R8119
R8112
27[D]
27[D]
27[D]
R8110
R8111
27[D]
PT
2
NOTE: For placing a purchase order of the parts,
NOTE:
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
REC VIDEO SIGNAL
R8157 R8158
R8156
PT PT
PT
R8159
PT
R8145
0
Q8113
2SA2174J0L
C8112 (DRIVE)
2R2[KB]
C8113
1[KB]
R8134
R8130
PT
PT
R8127
1K
Q8112
2SA2174J0L
BACKLIGHT
DRIVE
* C8116
Q8109
1[KB]
PT
(LED DRIVE)
3 4
47
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
PARTS MARKED "PT" ARE NOT USED.
REFER TO BEGINNING OF SCHEMATIC SECTION.
PB VIDEO SIGNAL
LCD PANEL
R8148 FP8102
PT
1 TEST2
2 RGT
3 B
4 R
5 G
6 PSIG
7 HCK1
8 HCK2
9 NRW1
R8149
R8160
10 TEST1
PT
PT
11 REF
12 HST
13 PCG
14 XSTBY
15 VSSG
16 NRW2
17 VSS
18 VDD
19 DWN
20 EN
21 VCK
22 VST
23 CS
24 COM1
C8120
PT
FP8103 PT
1 VCOM
2 VVSS
3 VREF
4 PCG
5 VDD
6 CSH
7 SB
8 CKH2
9 CKH1
10 STH
11 VSS
12 VSS
13 B
14 G
15 R
16 VCSH
17 VCSH
18 FR
19 OEVE
20 CSV
21 OEV
22 CKV
23 STV
24 VCOM
R8140
PT
5
LCD BACKLIGHT SCHEMATIC DIAGRAM
NV-GS80EG/EF/E/EP/EB/EK, NV-GS85GC/EE, NV-GS88GK
LSJB8367