BM-ED500 - Panasonic Video Monitoring Service Manual (repair manual). Page 38

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4-6
SCHEMATIC DIAGRAM OF POWER BOARD
HARMONIC
CHOKING COIL
E1
POWER INPUT
CONNECTORS
SW1
POWER
SWITCH
POWER
TRANSFORMER
VR33
+32V
ADJ.
VR24
+24V
ADJ.
VR5
+5V
ADJ.
VR3
+3.3V
ADJ.
TO
G-BOX BOARD
CN101
E4,E5
CAMERA POWER
CONNECTORS
TO
CAPTURE
BOARD
CN800
TO
CONTROL
BOARD
(1/3)
CN6
AC-IN
DC-OUT
E1
CN3
CN4
CN2
C23
103
C13 181
C43
104
C33
104
E3
E6
VR24 102
R2
3R3
R3
3R3
R8
104 2W
R11
101 1W
R12
681 2W
R14
104 2W
R15
470 1W
R16
470 1W
R50
472 2W
R13
0R22
R31
0R22
R1
105 1/2W
R21
102
R22
181
R24
221
R25
221
R26
202
R32
470
R33
182
R40
203
R41
221
R42
102
R39
222
SW1
VS1
C14
101
C15
681
C16
681
C18
OPEN
OPEN
C19
101
C1 224
C4
224
C5
224
C17
223
C10
47/16
C7
2200/200
C8
2200/200
C31
2200/50
C32
1000/50
C2
152
C3
152
C25
152
L2
L3
L4
L24
C82
L31
L23
(1/2)
Q3
Q3
(2/2)
Q2
(2/2)
Q1
Q4
Q5
D2
D7
D6
D8
D11
D21
E4
E5
R35
156 1/2W
E2
IC10
IC1
E7
E8
E9
E10
E11
E12
L1
CN1
TH1
D32
D33
L32
R17
100 2W
C44
821
C45
821
L33
L21
L22
IC11
C34
470/50
D22
L25
C35
3300/35
VR33
D24
L26
C36
330/35
VR5
R43
332
R44
221
102
R45
102
IC12
C37
470/50
D23
L27
C38
470/10
D5
L28
C39
680/10
VR3 102
R46
152
R47
331
R48
102
IC13
C40
470/50
D30
L29
C41
2700/10
D3
L30
C42
680/10
C47
2700/10
R64
100
Q2
(1/2)
C27 224
R30 221
R9
104 2W
D4
D17
R23
470 1W
R20
470
R19
470
R4
393 1W
C26
474
C12 181
R28
103
R27
103
R49
470
C1
1
222
C22
334
R18
185
C21
100/35
R29
104
D9
R10
470 1W
C51
R60
100 1/4W
R61
241 1/4W
R62
202 1/4W
R63
202 1/4W
C60
473
C61
104
C62
104
C63
10/400
C64
1/50
D40
R80
150 2W
SCR1
SCR2
D38
D37
C6
47/16
C55
2200/200
C56
2200/200
R71
681 2W
R81
4R7 3W
R34
393 1W
C20
101
C50
223
R72
104 2W
R73
100 2W
R74
472 2W
R89
200 1/4W
D45
C70
220/25
C71
220/25
IC15
D46
D47
R86
11
3
R87
222
R88
203
Q6
R91
751
R85 204
IC16
Q9
Q8
Q7
R96
203
R95
751
R97
102
R98
512
R99
620
R102
OPEN
D48
R90
202
C72
104
C73
103
R101
0R33 3W
R100
0R1 3W
C75
104
C79
104
C80
OPEN
C74 82/10
R5
151
1/4W
1/4W
1/4W
1/4W
R6
202
R7
151
R70
202
R36
753
R37
103
+32V
102
R38
682
IC2
D1
T1
-
+
-
+
-
+
-
+
-
+
1
2
3
1
3
2
3
1
2
1
2
3
45
6
7
8
OUT
VCC
CT
CS
GND
IS
FB
IN-
5
3
2
1
4
-
+
-
+
-
+
5
3
2
1
4
-
+
-
+
-
+
5
3
2
1
4
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
3
1
2
4
5
6
2
7
VCC
IN
CD GND
OUT
-
+
5
3
2
4
1
-
+
~
~
5
4
10
1
7
6
12
3
2
8
9
F1
F1 : 6.3A
+3.3V
+3.3V
GND
GND
GND
GND
+32V
0V
+32V
0V
+32V
+32V
GND
+24V
GND
+5V
GND
GND
GND
+3.3V
J1
J2
OPEN
JUMPER
L10
L11
IN
1
3
3
1
2
OUT
GND
C83
C81
OPEN
IN
2
OUT
GND
1
2
(L)
(N)
AC L
AC N
1
2
3
1
2
3
4
1
2
3
1
2
3
1
2
3
1
3
G
G
D100
D101
1
3
CHOKE
L701
AC L
CHOKE
AC L
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 
Ω
561 
→ 
56 x 10
1
 
= 560 
Ω
123 
→ 
12 x 10
3 
= 12K 
Ω
0R00=0 
Ω
 
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
2R0 = 2.0 PF
 
For Coil:
270 
→ 
27 x 10
0
 
= 27 
µ
H
101 
→ 
10 x 10
1
 
= 100 
µ
H
8R2 = 8.2 
µ
H
Important safety notice
Components identified by "      " mark have special characteristics for safety.
When replacing any of these components, use only manufacture's specified parts.
+24V
+3.3V
+5V
<INDEX>
POWER BOARD
IC1
B3
IC2
B2
IC10
C4
IC11
C4
IC12
B4
IC13
B4
IC15
A4,B4
IC16
A5
Q1
C3
Q2
A5,B2,B3,
C2,C3
Q3
B3,C4
Q4
C3
Q5
B3
Q6
A5
Q7
C5
Q8
C5
Q9
C5
D1
C2
D2
C3
D3
B5
D4
C3
D5
B5
D6
C3
D7
C3
D8
C3
D9
B3
D11
B3
D17
C3
D21
C4
D22
C4
D23
B4
D24
C5
D30
B4
D32
C5
D33
C5
D37
C2
D38
C2
D40
C2
D45
A4,B4
D46
B4
D47
A4
D48
C4
D100
C4
D101
B4
1
A
B
C
D
POWER BOARD
2
3
4
5
6
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