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Panasonic PalmSight PV-L750 Service Manual page 225

Compact vhs camcorder

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MAIN C.B.A. (POWER SUPPLY/VIDEO/AUDIO SECTION)
MODE
REC
PLAY
MODE
REC
PLAY
PIN NO.
PIN NO.
IC1001
6
4.5
4.5
1
0.2
0.1
7
2.0
2.3
2
1.7
1.7
8
0
0
3
1.2
1.3
9
2.1
0.3
4
1.3
1.2
1 0
2.1
2.1
5
1.0
5.6
1 1
0.3
1.1
6
1.3
1.3
1 2
0
2.1
7
1.2
1.2
1 3
1.5
2.2
8
2.1
1.9
1 4
2.0
2.2
9
1.5
1.4
1 5
2.7
1.6
1 0
0.2
0.2
1 6
0.2
2.2
1 1
6.9
6.9
1 7
2.2
2.1
1 2
7.3
7.3
1 8
2.2
2.1
1 3
3.9
4.0
1 9
2.5
3.0
1 4
7.0
7.1
2 0
2.1
1.5
1 5
2.4
2.4
2 1
2.2
2.7
1 6
6.9
6.9
2 2
2.7
2.5
1 7
6.6
6.7
2 3
3.4
2.0
1 8
0.4
0.4
2 4
2.7
2.9
1 9
0.5
0.5
2 5
2.5
2.8
2 0
6.5
6.6
2 6
0
0
2 1
6.8
6.7
2 7
3.2
3.6
2 2
1.8
1.8
2 8
4.4
4.4
2 3
7.1
7.1
2 9
2.3
2.3
2 4
1.9
1.9
3 0
0
2.1
2 5
6.8
6.6
3 1
2.1
2.0
2 6
6.5
6.5
3 2
2.9
3.0
2 7
0.4
0.4
3 3
0
0
2 8
0.2
0.2
3 4
2.4
2.9
2 9
1.6
1.6
3 5
4.5
4.5
3 0
0.9
1.2
3 6
2.5
2.5
3 1
1.2
1.2
3 7
2.5
2.5
3 2
1.2
0.2
3 8
0.3
0.4
3 3
0.9
0.2
3 9
2.8
2.7
3 4
1.0
1.5
4 0
0.2
2.3
3 5
1.0
0.1
4 1
1.3
1.3
3 6
1.0
0
4 2
0.8
2.2
3 7
6.9
7.0
4 3
3.0
3.0
3 8
2.4
2.4
4 4
0.9
2.8
3 9
0
0
4 5
0.2
0.2
4 0
0
0
4 6
- - -
- - -
4 1
- - -
- - -
4 7
- - -
- - -
4 2
0
0
4 8
- - -
- - -
4 3
- - -
- - -
4 9
1.8
1.9
4 4
1.0
1.0
5 0
2.0
2.0
4 5
1.6
1.6
5 1
2.1
2.0
4 6
2.4
2.4
5 2
4.5
4.5
4 7
1.7
1.6
5 3
2.2
2.2
4 8
0
2.4
5 4
0
0
IC3001
5 5
2.7
2.7
1
1.7
2.6
5 6
1.2
3.6
2
- - -
- - -
5 7
4.5
4.1
3
3.7
0.1
5 8
3.0
3.0
4
0.1
0.1
5 9
0
0
5
2.1
1.9
6 0
4.3
2.7
MODE
REC
PLAY
MODE
REC
PLAY
PIN NO.
PIN NO.
6 1
0.5
0.5
1 4
2.4
2.2
6 2
0
0.4
1 5
3.0
3.0
6 3
4.5
4.5
1 6
4.5
4.5
6 4
4.5
4.5
IC4001
6 5
0.3
1.9
1
2.2
2.3
6 6
- - -
- - -
2
2.3
2.3
6 7
0.6
0
3
- - -
- - -
6 8
3.6
3.6
4
2.3
2.3
6 9
2.1
3.6
5
0.6
0
7 0
4.5
4.5
6
0.2
1.3
7 1
4.5
4.5
7
1.7
1.7
7 2
1.8
4.5
8
0.1
0.1
7 3
2.1
2.8
9
2.3
2.3
7 4
0
0
1 0
4.0
3.7
7 5
0.6
0.2
1 1
3.7
0
7 6
2.3
3.7
1 2
2.3
2.3
7 7
0.3
0.1
1 3
0
4.5
7 8
0.1
0.1
1 4
2.3
2.3
7 9
2.5
2.9
1 5
0.1
0
8 0
2.1
2.8
1 6
0.1
1.4
IC3002
1 7
1.2
0
1
1.0
2.1
1 8
2.9
2.7
2
0
0
1 9
0
0
3
4.5
4.5
2 0
0
0
4
1.9
2.8
2 1
- - -
- - -
5
0
0
2 2
0
0
6
1.8
2.6
2 3
0
0
7
1.6
1.6
2 4
1.7
1.7
8
2.8
2.8
2 5
0.4
1.1
9
4.5
4.5
2 6
1.6
1.7
1 0
0
0
2 7
4.5
4.5
1 1
2.5
2.8
2 8
1.7
1.7
1 2
2.4
2.5
2 9
4.5
4.5
1 3
1.8
2.9
3 0
1.7
1.7
1 4
0
0
3 1
2.3
2.3
1 5
2.5
2.7
3 2
2.3
2.3
1 6
4.5
4.5
Q1001
1 7
0
0
E
7.2
7.1
1 8
2.0
2.2
C
7.1
7.0
1 9
2.3
2.3
B
0.1
0.1
2 0
0.9
2.0
Q1002
IC3003
E
0
0
1
1.1
1.1
C
0
0
2
3.0
3.0
B
-0.6
-0.6
3
2.4
1.1
Q1003
4
2.6
2.0
E
2.3
2.3
5
2.6
1.3
C
0
0
6
0
0.7
B
1.6
1.6
7
0
0
Q1005
8
0
0
E
7.2
7.1
9
0.9
0.9
C
4.5
4.5
1 0
0.9
0.9
B
6.7
6.6
1 1
0.9
0.9
1 2
2.4
2.2
1 3
2.5
2.8
MODE
REC
PLAY
MODE
REC
PLAY
PIN NO.
PIN NO.
Q1006
Q1022
E
7.2
0
E
7.0
7.0
C
3.6
3.6
C
4.9
4.9
B
6.8
0
B
7.5
7.2
A
0
0
Q1023
Q1007
E1
1.9
1.9
E
0
0.1
C 1
7.2
7.3
C
0
0.1
B1
2.4
2.4
B
7.0
6.9
E2
1.9
1.9
Q1008
C 2
4..9
4.0
E
7.2
7.1
B2
2.7
2.7
C
4.6
4.6
Q1101
B
6.6
6.6
E
7.2
7.1
A
0
0
C
1.7
1.5
Q1009
B
7.2
7.1
E
6.1
0.1
Q1102
C
1.6
0.1
E
0
0
B
6.8
6.7
C
7.8
7.1
A
0
0
B
-0.1
0
Q1010
Q1103
E
5.9
5.6
E
7.2
7.1
C
0
0
C
7.2
7.1
B
6.1
5.9
B
7.2
0.1
Q1011
Q1104
E1
1.9
1.9
E
0
0
C 1
6.6
6.5
C
0
0.1
B1
2.4
1.3
B
0
0
E2
1.9
1.4
Q1105
C 2
0.2
4.8
E
7.2
7.1
B2
0.1
2.5
C
0
0.7
Q1012
B
7.2
0.3
E
7.2
7.1
Q1106
C
4.8
4.8
E
0
0
B
6.6
6.5
C
0.2
0
Q1013
B
0.1
0
E
7.0
7.0
Q3003
C
4.8
4.8
E
4.1
2.6
B
4.4
4.4
C
0
1.6
Q1014
B
4.3
2.0
E
7.2
7.0
Q3004
C
7.1
7.0
E
0
1.9
B
1.5
6.3
C
3.4
3.8
Q1015
B
3.3
2.6
E
3.9
3.8
Q3005
C
6.5
6.3
E
0
3.2
B
4.5
4.5
C
4.5
4.5
Q1020
B
3.4
3.8
E
4.6
4.6
Q3021
C
0
2.0
E
1.2
1.2
B
4.6
4.6
C
4.8
4.8
Q1021
B
1.7
1.7
E
0
0
Q3022
C
4.6
4.4
E
1.7
0.1
B
0.1
0.9
C
4.8
4.8
B
2.3
0.4
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
MODE
REC
PLAY
MODE
REC
PLAY
PIN NO.
PIN NO.
Q3027
E
1.7
1.8
TP1001
4.6
4.6
C
4.8
4.8
TP1002
4.6
4.6
B
2.3
2.3
TP1003 15.0
15.0
Q3028
TP1004
8.1
8.2
E
1.9
1.9
TP1005 -8.1
-8.1
C
4.5
4.5
TP1006
3.6
3.6
B
2.5
2.5
TP1007
4.6
4.6
Q3029
TP3001
2.7
2.7
E
1.9
1.9
TP3002
2.6
2.5
C
4.5
4.6
TP3003
0.4
2.0
B
2.5
2.5
TP3004
2.9
3.9
Q3030
TP3005
3.2
3.6
E
4.5
2.9
TP3006
2.6
0.4
C
1.5
2.7
TP4001
1.4
1.4
B
4.7
4.3
TP4002
0
0
Q3031
TP4003
0
0.1
E
0
0
TP4004
0.1
1.3
C
4.5
4.3
B
0.2
0.3
Q4002
E1
5.3
3.5
C 1
4.4
3.6
B1
4.6
3.8
E2
4.5
4.0
C 2
1.4
4.5
B2
4.6
4.5
Q4003
E
0.2
0
C
0
0
B
0.5
0.8
Q4004
E
0.2
0
C
0
0
B
-0.5
0.8
Q4007
E
0
0
C
-0.2
-0.5
B
0.1
1.1
Q4008
E
0
0
C
0
0
B
0
0
Q4009
E
0
0.4
C
0.2
4.3
B
0.2
0.1
Q4010
E
4.6
4.5
C
0
0
B
4.3
5.0
Q4011
E
0.2
1.4
C
4.5
4.5
B
0.2
1.9
MODE
REC
PLAY
PIN NO.

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