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POWER 2 BOARD
D5
D7
F1
R24
OPEN
D
D6
D8
120
1W
OPEN
C
5V
Q12
1
4
Q17
R42
10k
2
3
R43
DGND
CN4
GND
1
LP/LPFO
2
B
LLDET/LPFI
3
5V
4
10.5V
5
24V
6
EXT BW/LED
7
GND[24V]
8
Attachment1
Attachment2
TO
POWER 1
Q2
BOARD
E1
Q20
Q21
A
DGND
1
SCHEMATIC DIAGRAM OF POWER 2 BOARD FOR WV-CW370
R29
330 1W
IC4
TH4
(VS4)
1
3
VCC
OUT
GND
2
Q9
Q14
G
S
D
5V
Q15
Q16
1
4
R45
OPEN
10k
Q13
2
3
D
G
S
10k
DGND
LP/LPFO
LLDET/LPFI
5V
10.5V
24V
Q1
C8
100/10
R50
R51
0
8.2k
2
marked parts are
different from the Original
Service Manual.
24.1V
10.5V
5V
1.8V
IC1
3.31V
3.30V
1 Cont
6
Vin
2 GND_1
5
GND_2
3 Np
4
Vout
IC5
IC2
2
3
1
3
INPUT
OUTPUT
VIN
VOUT
GND
VSS
2
1
C18
4.7/16
IC3
DGND
1
3
INPUT
OUTPUT
GND
2
24.0V
L1
33
R11
OPEN
DGND
3.30V
OPEN
JK1
Q19
1
JK1
MONITOR
10
2
OUTPUT
R8
100k
4
JACK
R9
0
5
R10
100k
6
3
4
4-6
CN1
1
FAN-
TO
2
FAN+
FAN
Attachment1
(MO1)
Attachment2
TP14
TP12
TP9
TP3
TP2
TP5
TP13
TP11
TP10
TP8
TP4
TP1
TO
CN7
1
3.0V
DEHUMIDI-
2
GND
FIER ASS'Y
3
GND
(M91)
CN2
1
GND
2
EXT BW/LED OUT2
3
VIDEO
4
5V
TP17
5
FANSW
TP16
6
GND
7
GND
BW
8
BW LVL
9
2W/4W
10
1.8V
11
3.3TV
12
3.3V
13
10.5V
14
AGC5V
15
DRIVE
UP
16
UP
DOWN
TO
17
DOWN
RIGHT
MAIN
18
RIGHT
LEFT
19
LEFT
BOARD
SET
20
SET
CN4
21
TXDET/FMFR
TP27
22
SD/AUDIO-V
TP20
TP19
TP18
23
DUMP
TP28
24
RDIN
ALARM
25
ALARM/AP
26
ACTS
27
LP/LPFO
28
LLDET/LPFI
29
GL/FLK/LED OFF
30
REF
UPSIDE
31
UPSIDEDOWN
BWSW
32
BWSW
INT
33
INT/LL
Attachment1
Attachment2
Attachment3
TP32
TP25
Attachment4
TP33
TP31
TP68
CN5
INT
1
INT/LL
UPSIDE
2
UPSIDEDOWN
ALARM
3
SOFT/SHARP
BWSW
4
BWSW
BW
5
BW LVL
LEFT
6
LEFT
RIGHT
7
RIGHT
UP
8
UP
TO
DOWN
9
DOWN
SW
SET
10
SET
BOARD
11
3.3V
CN1
12
10.5V
13
AGC5V
14
GND
15
+5V
16
GND
17
LED ON/OFF
18
GND
19
GND
20
GND
TP67
TP65
TO
CN6
VIDEO
1
VIDEO OUT
OUTPUT
2
VIDEO GND
CABLE
(E12)
DGND
5
<INDEX>
POWER 2 BOARD
IC1
C3,C4
IC2
C3,C4
IC3
C3,C4
IC4
D2
IC5
C3
IC6
A2
Q1
B2
Q2
B1,B2
Q9
C2,D2
Q12
C2
Q14
C2
Q15
C2
Q16
C2,B2
Q17
C1
Q20
A1
Q21
A2
D1
B1,B2
D2
B2
D3
A2
D5
OPEN
D6
D1
D7
D1
D8
OPEN
D9
D2
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