Panasonic VDR-D250EG, Service Manual

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FP903
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
24
2SC6054J0L
Q906
B3AFB0000117
D906
B3AFB0000117
D905
B3AFB0000117
D907
2SC6054J0L
Q902
B3AFB0000117
D908
27
R924
2SC6054J0L
Q904
27
R925
27
R931
2SC6054J0L
Q903
2SC6054J0L
Q907
B3AFB0000117
D909
B3AFB0000117
D910
2SC6054J0L
Q908
27
R932
27
R933
10K
R940
100U L901
0 R934
0 R927
270 R909
270 R907
270
R908
47K R941
5600 R910
0
R916
47K
R937
2SA2174J0L
Q913
10K
R930
1
C933
1 C907
39P
C913
39P
C915
39P
C914
D901 (5.6V) MAZ80560ML
R918
1.4
0.3
1.1
1.4
0.3
1.1
1.4
0.3
1.1
1.4
0.3
1.1
1.4
0.3
1.1
1.4
0.3
1.1
1.1
0
0
1.0
1.5
0.5
27
Q905
2SA2174J0L
R926 100K
C908 2.2
C918
4.7
Q901
2SA2174J0L
R901 0
R906 56K
C909
1
D902
(6.1V)
B0BC6R100025
R915
1K
0.1 C906
VMC1897
EP901
FP902
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
0
R902
COM2
CS
VST
VCK
EN
DWN
VDD
VSS
NRM1
VSSG
XSTBY
PCG
HST
REF
HCK2
HCK1
PSIG
GREEN
RED
BLUE
RGT
COM1
LCD_VST
LCD_VCK
LCD_EN
LCD_HST
LCD_HCK2
LCD_HCK1
LCD_PCG
LCD_XSTBY
LCD_OECE_0LUX
LCD_RGT
LCD_DWN
LCD_PSIG
LCD_VCOM
LCD_RED
LCD_GREEN
LCD_BLUE
LCD_VDD
D_GND
LCD_BL_5V
D_GND
D_GND
BL_CONT
LCD_WIDE
NRM2
(BACKLIGHT DRIVE) (BACKLIGHT DRIVE) (BACKLIGHT DRIVE) (BACKLIGHT DRIVE) (BACKLIGHT DRIVE) (BACKLIGHT DRIVE)
(BACKLIGHT ON/OFF CONTROL)
(VREF)
(NR)
TO MONITOR FPC
TO MONITOR LCD PANEL
MONITOR LCD
D905-D910
BACKLIGHT
1
A
B
C
D
E
2 3 4 5 6 7 8 9
F
(MONITOR P.C.B.)
VDR-D250, D258
MONITOR SCHEMATIC DIAGRAM
NOTE:
DO NOT USE ANY PART NUMBER SHOWN ON
THIS SCHEMATIC DIAGRAM FOR ORDERING.
WHEN YOU ORDER A PART,PLEASE REFER
TO PARTS LIST. NOTE:
CIRCUIT VOLTAGE AND WAVEFORM DESCRIBED HEREIN SHALL BE REGARDED
AS REFERENCE INFORMATION WHEN PROBING DEFECT POINT,BECAUSE IT MAY
DIFFER FROM AN ACTUAL MEASURING VALUE DUE TO DIFFERENCE OF MEASURING
INSTRUMENT AND ITS MEASURING CONDITION AND PRODUCT ITSELF.
NOTE:
THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS
DIAGRAM IS STOP MODE.(MONITOR:ON)
: VIDEO MAIN SIGNAL PATH