Panasonic WV-CS850B Service Manual page 32

POWER BOARD
L1
E3
B
E2
E5 E6
AC
220 V - 240 V
50 Hz
A
E7
1
Important safety notice
Components Identified by " " mark have special characteristics for safety.
When replacing any of these components, use only manufacturer's specified parts.
SCHEMATIC DIAGRAM OF POWER BOARD FOR WV-CS850B
T1
POWER TRANSFORMER
D1
L2
R11
362 D4 R4 220
Q3
IC1
4
Q5
3
Q4
1
2
2
Note:
The value indicated in the schematic diagram should be read as follows:
T1
D21
1
L24 2R62
3 6
3 2
4 5
IC3
D22
8
1 3
2
2 7
R24 331
Q5
1
2
C21 473
1
3
1
IC2
2
C19 152
<Example>
For Resistor: For Capacitor
Multiplier (0 - 5)
0 (Except Electrolytic Capacitor and Tantalum Capacitor):
330 33 x 10 = 33 Ω
2nd. Significant Digit (0 - 9)
1
561 56 x 10 = 560 Ω
1st. Siginificant Digit (1 - 9)
3
123 12 x 10 = 12k Ω
0R00 = 0 Ω
– 4-8 –
E4
1 GND1
L21 220
2 12V
3 LP
4 5V
5 GND2
TO
COMMUNICATION
BOARD . . . . . CN3
E1
1 FAN
2 GND
4
Q4
3
3
For Coil:
010 1 x 10
0
820 82 x 10 = 82 pF
8R2 8.2 x 10
2 1000 pF = 0.001 µF
102 10 x 10 =
101 10 x 10
4 0.1 µF
104 10 x 10 = 100000 pF =
OPEN
< INDEX >
POWER BOARD
IC1 A2
IC2 A3
IC3 B3
Q3 A1
Q4 A1,A3
Q5 A2
D1 B2
D2 B2
D3 B2
D4 A2
D21 B3
D22 B3
0 1 µH
=
0 = 8.2 µH
1 = 100 µH