Panasonic WV-CW370 Service Manual page 27

SCHEMATIC DIAGRAM OF POWER 1 BOARD FOR WV-CW374E
POWER 1 BOARD
F2
3.15A
250V
C
FOR HEATER AGND
CN1
24V AC (L) 1
24V AC (N) 2
F1
+
24V AC (L) 3
3.15A
– 24V AC (N) 4
250V
GND 5
3 CF1 4
(12V DC) (24V AC)
FOR CAMERA
2 1
TO
POWER
CABLE
(E11)
B
A
E2
AGND
1
D1
D2
D3
D4
C6
0.1
Q1
D
C7 R14
G
S
150
0.22
1/4W
Q2
R13
220
Important safety notice
Components identified by " " mark have special characteristics for safety.
When replacing any of these components, use only manufacture's specified parts.
2
<INDEX>
POWER 1 BOARD
IC1 A4
Q1 B2
Q2 A2
Q3 B3
Q4 A3
T1
D10
L1
10
33
9 2
D11
L2
8 3
33
7 4
6 5
Q3
1 4
2 3
R19
Q4
4 1
12k
3 2
C11
0.01
3 4
D1 C2 D8 B3
D2 C2 D9 A3
D3 B2,C2 D10 C3
D4 B2 D11 B3
D5 A2 D12 C5
D6 A2 D13 C5
D7 A3 D14 B5
4-5
E1
1 GND
2 LP/LPFO
3 LLDET/LPFI
4 5V
5 10.5V
6 24V
7 EXT BW/LED
8 GND[24V]
TO
POWER 2
BOARD
CN4
C14
1
DGND
5