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POWER BOARD
(COMPONENT SIDE)
POWER BOARD
(PATTERN SIDE)
POWER BOARD
(PATTERN SIDE)
(PATTERN SIDE)
<Index>
IC1
B1
Q4
A2
D3
A2
D4
A2
D5
A2
D6
B2
D7
B2
D21
A1
D22
A1
D24
B1
POWER BOARD
(COMPONENT SIDE)
(COMPONENT SIDE)
<Index>
Q1
A2
Q2
B2
Q3
B2
D1
A2
D23
B3
1
A
B
2
3
1
A
B
2
3
POWER
TRANSFORMER
CN1
AC24V
INPUT
TERMINAL
AC24V
INPUT
TERMINAL
AC 24V IN
TO
VIDEO
BOARD
(2/2)
CN1
VIDEO
BOARD
(2/2)
CN1
<Index>
POWER
BOARD
BOARD
IC1 A4
Q1 A2
Q2 A2,A5
Q3 A3
Q4 A2
Q2 A2,A5
Q3 A3
Q4 A2
D1 B2
D3 A2
D4 A2
D3 A2
D4 A2
D5 A2
D6 A3
D7 A3
D21 B3
D22 B3
D23 B5
D24 B5
D6 A3
D7 A3
D21 B3
D22 B3
D23 B5
D24 B5
4
3
1
2
1
1
2
3
2
+10V
+6V
GND
LL-DET
LL-PULSE
GND
L
N
~
~
+
-
F1
E1 E2
VS1
VS2
C1
F1:2.5A 250V
0.33
CF1
D1
R5
R2
1.1K
150
1/4W
R24
12K
12K
1/4W
1/4W
R8
680
C9
1
R10
4
7K
D3
D4
D7
R3
R19
220
R7
12K
R6
12K
C8
C1
1
100P
0.022
0
R1
1
8.2K
R12
10K
D5
D24
D6
R13
220
630V
470P
630V
470P
C5
C6
4700P
C10
Q1
R9
47
Q2
(1/2)
(2/2)
Q3
R14
220
C7
0.22
C23
1
R4
1.1K
1/4W
C2
470/50
C12
0.01
Q4
Q3
(1/2)
IC1
D21
D22
C21
270/16
R21
47
R26
430
R27
6.8K
R29
22K
R22
2
.2K
R30
2
0K
R25
O
PEN
R23
47
L21
L22
E3
CN1
T1
4
3
2
6
1
8
7
5
-
+
-
+
C24
180/16
R28
2.2K
D23
-
+
C25
220/10
-
+
C22
390/10
-
+
1
2
3
4
5
6
2
3
4
5
6
1
2
Important safety notice
Components identified by " " mark have special characteristics for safety.
When replacing any of these components, use only manufacture's specified parts.
Components identified by " " mark have special characteristics for safety.
When replacing any of these components, use only manufacture's specified parts.
4
3
(2/2)
Q2
8.8
8.7
0
2.5
9.9
2.2
5.0
1
2
3
4
5
A
B
POWER BOARD
– 17 –
SCHEMATIC DIAGRAM OF POWER BOARD (WV-BP144E)
CONDUCTOR VIEW OF POWER BOARD (WV-BP144E)
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