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Panasonic VDR-D250EG Service Manual page 74

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(FRONT P.C.B.)
NOTE:
DO NOT USE ANY PART NUMBER SHOWN ON
THIS SCHEMATIC DIAGRAM FOR ORDERING.
F
WHEN YOU ORDER A PART,PLEASE REFER
TO PARTS LIST.
MIC UNIT
LSEK0695
ECM_R
E
ECM_L
D
C
C6516
C6504
B
10/6.3V
0.1
FREAM_GND
A
1
2
NOTE:
CIRCUIT VOLTAGE AND WAVEFORM DESCRIBED HEREIN SHALL BE REGARDED
NOTE:
AS REFERENCE INFORMATION WHEN PROBING DEFECT POINT,BECAUSE IT MAY
THE MEASUREMENT MODE OF THE DC
DIFFER FROM AN ACTUAL MEASURING VALUE DUE TO DIFFERENCE OF MEASURING
VOLTAGE ON THIS DIAGRAM IS STOP MODE.
INSTRUMENT AND ITS MEASURING CONDITION AND PRODUCT ITSELF.
FJ4801
ECM_R
1
A_GND
2
3
ECM_L
U6501
B3RAB0000024
(IR RECEIVER)
IR
GND VCC
1
2
3
R6501
56
R6502
C6502
R6503
68K
10
100K
R6505
2.2M
C6505
D6503
0.22
MA3S132D0L
4.9
4.9
Q6501
3.7
3.4
2SD10300SL
R6504
(AMP)
10M
3.7
3.2
C6503
0.22
R6506
D6504
330K
B3GA00000041
3
4
R4807
R4810
3900
3900
C4806
C4804
0.027
8200P
R4805
120K
C4805
R4806
0.027
33K
2.4
2.4
2.4
4
3
2
1
GND
IC4801
C0ABBB000369
(MIC AMP)
VCC
5
6
7
8
2.4
2.4
2.4
4.9
C4810
C4808
0.027
0.027
R4808
120K
C4809
R4809
8200P
33K
Q6502
2SD2216
(AMP)
R6507
1800
R6508
4700
5
: AUDIO MAIN SIGNAL PATH IN REC MODE
Q4801
2SD2216
(R.FILTER)
4.8
4.9
R4802
4700
4.2
C4801
1
R4803
22K
C4812
22/6.3V
C4803
R4804
10
33K
C4802
1
TP6501
TP6505
TP6506
R6509
TP6503
0
TP6504
R6530
TP6502
180
TALLY
D6510
B3AAB0000146
6
7
TO FRONT FPC
FP6501
20
A_M_OUT_L
19
REG A5V
18
REG A5V
17
A_M_OUT_R
16
MIC_GND
15
MIC_GND
14
D_GND
13
D_GND
12
IR-REMOCON
11
IR_DET
10
REG D2.8V
9
TALLY
8
7
6
5
4
3
2
1
VDR-D250, D258
FRONT SCHEMATIC DIAGRAM
8
9

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