Read Panasonic BM-ET500 Service Manual online
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SCHEMATIC DIAGRAM OF CAMERA POWER BOARD/
CAMERA TERMINAL BOARD
TO
BUILT-IN
COLOR
(COLOUR)
CCTV
CAMERA
BUILT-IN
COLOR
(COLOUR)
CCTV
CAMERA
TO
MONITOR OR
DIGITAL DISK
RECORDER
MONITOR OR
DIGITAL DISK
RECORDER
TO
CONTROL
UNIT
(BM-ED500)
CONTROL
UNIT
(BM-ED500)
TO
CAMERA
MECHA-
NICAL
ASS'Y
(M1)
CAMERA
MECHA-
NICAL
ASS'Y
(M1)
E501
CN503
L3
L1
L1
F501
4A 125V
4A 125V
F502
R501
0R00
1/4W
1/4W
CN501
R505
0R00
1/4W
R502
R503
OPEN
0R00
D501
L501
L502
L503
L504
R504
221
CF501
CN502
E502
E503
1
2
3
GND
OP_CAM
GND
GND
GND
+32V
+24V
MGND
+24V
MGND
VIDEO/DATA
+32V
+24V
+24V
+0V
OP_CAM
GND
VIDEO/DATA
E1
E11
GND
JUMPER
V32B
V24B
GMD
V24B
GMD
V32A
V24A
GDD
V24A
GDD
V32C
V24C
GVD
1
2
3
2
3
1
2
3
4
5
6
7
2
3
4
5
6
7
1
2
2
1
2
2
IN OUT
1
2
2
1
2
2
OP_CAM
GND
GND
+32V
+24V
+24V
MGND
VIDEO/DATA
VIDEO/DATA
GND
+15V
+24V
GND
MGND
OP_CAM
NC
GND
OPEN
OPEN
E503
E251
10/50
0R00
331
220/50
220/35
183
102
11
3
102
1000/35
220/35
1000/25
220/25
D522
D523
D524
D527
D526
SCR521
C521
C522
C525
C523
C524
C526
C527
VR521
VR522
L521
271
L522
220
L523
271
220
L524
IC521
IC522
R521
R522
R524
R525
R527
R528
D525
D528
CN522
D521
561
151
R523
R526
D529
D530
D531
R529
OPEN
R536
R537
C529
R533
R534
R535
C530
C528
Q521
IC523
OPEN
R532
E520
E521
1
2
3
4
5
1
2
3
4
5
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
1
NC
6
OUT
3
NC
4
GND
8
NC
7
VCC
2
IN
5
DC
V32A
V32B
V24B
V24C
V24D
V15A
V15B
V15C
V32
V24
V24
GMD
V24E
1
2
3
4
5
6
7
2
3
4
5
6
7
1
2
3
2
3
1
2
3
4
5
6
G
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)
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):
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.
Components identified by " " mark have special characteristics for safety.
When replacing any of these components, use only manufacture's specified parts.
VIDEO OUT
CAMERA POWER BOARD
CAMERA TERMINAL
BOARD
BOARD
<INDEX>
CAMERA
POWER
BOARD
POWER
BOARD
CAMERA
TERMINAL
BOARD
TERMINAL
BOARD
IC521
D2
IC522
C2
D521
D1
D522
D1
D523
D2
D524
C2
D525
D2
D526
C3,D3
D527
C2
D528
C2
D529
D1
D530
D1
D531
D2
D501
A1
1
A
B
C
D
2
3
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