WJ-AV20 - Panasonic Provideo Service Manual (repair manual). Page 14

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WJ-AV20
WJ-AV20
SCHEMATIC DIAGRAM OF POWER BOARD
POWER BOARD
A
B
C
1
2
3
4
5
6
<Index>
POWER
BOARD
IC1
B4
IC2
B5
Q1
B4,B6
D1
B3
D2
B4
D3
B4
D4
B4
D11
C5
D12
B5
D13
A5
D21
A6
D22
A6
D23
A6
Note: 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)
<Example>
For Resistor:
330 
→ 
33 x 10
0
 
= 33 
561 
→ 
56 x 10
1
 
= 560 
123 
→ 
12 x 10
= 12k 
0R00=0 
 
For Capacitor (Exclude Electrolytic 
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
 
For Coil:
270 
→ 
27 x 10
0
 
= 27 
µ
H
101 
→ 
10 x 10
1
 
= 100 
µ
H
8R2 = 8.2 
µ
H
A-2
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