Read Panasonic WJ-AV20 Service Manual online
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SCHEMATIC DIAGRAM OF CONTROL BOARD
1
2
3
4
5
A
B
C
CONTROL BOARD
<Index>
CONTROL
BOARD
BOARD
IC1
B2
IC2
B4
IC3
B5
Note:
The value indicated in the schematic
diagram should be read as follows:
The value indicated in the schematic
diagram should be read as follows:
Multiplier (0–5)
2nd Significant Digit (0–9)
1st Significant Digit (0–9)
2nd Significant Digit (0–9)
1st Significant Digit (0–9)
<Example>
For Resistor:
330
→
33 x 10
0
= 33
Ω
561
→
56 x 10
1
= 560
Ω
123
→
12 x 10
3
= 12k
Ω
0R00=0
Ω
For Capacitor (Exclude Electrolytic
and Tantalum Capacitor):
and Tantalum Capacitor):
820
→
82 x 10
0
= 82PF
102
→
10 x 10
2
= 1,000PF = 0.001
µ
F
104
→
10 x 10
4
= 100,000PF = 0.1
µ
F
CONDUCTOR VIEW OF CONTROL BOARD
CONTROL BOARD
(COMPONENT SIDE)
(PATTERN SIDE)
CN4
TO CN5
TO MAIN BOARD
CN6
TO CN2
CN5
T
O
CN4
CN3
T
O
CN3
1
2
3
4
A
B
<Index>
CONTROL
BOARD
BOARD
IC1
B2
IC2
A1
IC3
A2
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