BM-ED500 - Panasonic Video Monitoring Service Manual (repair manual). Page 25

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4-2-4
SCHEMATIC DIAGRAM OF G-BOX BOARD (3/4)
TO
POWER
BOARD
CN2
DOOR
SENSOR
SW101
SETTING
SWITCHES 1
BUS
INVERTER
BUS
INVERTER
D-FFs
SW102
SETTING
SWITCHES 2
SW103
RESET BUTTON
DC-DC
CONVERTER
RESET
D108
POWER
INDICATOR
D104
ALARM
INDICATOR
D105-107
STATUS
INDICATORS
SW201
<LOCATION MARK>
3/4
1/4
4/4
2/4
IC106
C110
104
R101
102
D101
R102
102
D102
R103
102
D103
R104
102
D104
R105
102
D105
R106
102
D106
R107
102
D107
C113
104
C112 105
C111 104
IC107
C109
104
C108
471
R145
561
IC109
C1
14
104
R149
330
R146
103
R147
103
R148
103
IC105
IC102
C104
103
R157
751
IC108
SW101
SW102
SW103
CN101
TP104
IC107
(1/4)
(2/4)
IC107
(3/4)
(1/6)
(4/4)
(2/6)
IC107
IC109
E101 E102
R144
562
C106
104
C105
104
C107
104
IC103
IC104
Z101
Z102
Z103
Z103,104 : 103
Z101,102 : 103
Z104
C128
104
C103
104
D108
R158
0R00
1/4W
C129
C130
470/35
1000/16
TP107
TP105
TP103
16
R166
OPEN
R165
OPEN
11
10
1
6
7
9
8
15
14
13
12
2
3
4
5
1
6
7
8
2
3
4
5
+5V
16
11
10
1
6
7
9
8
15
14
13
12
2
3
4
5
1
6
7
8
2
3
4
5
+5V
+5V
+5V
+5V
2
1A1
4
1A2
6
1A3
8
1A4
11
2A1
13
2A2
15
2A3
17
2A4
20
VCC
18
1Y1
16
1Y2
14
1Y3
12
1Y4
9
2Y1
7
2Y2
5
2Y3
3
2Y4
10
GND
1
1G
19
2G
+5V
1
2
3
14
7
4
5
6
+5V
9
10
8
1
2
14
7
3
4
+5V
12
13
11
1
2
3
4
5
1
CLR
3
D1
4
D2
7
D3
8
D4
13
D5
14
D6
17
D7
20
VCC
2
Q1
5
Q2
6
Q3
9
Q4
12
Q5
15
Q6
16
Q7
18
D8
10
GND
19
Q8
11
CLK
+5V
2
VIN
3
C
6
VOUT
9
L1
5
CL
8
L2
1
RC
4
GND
7
VADJ
+5V
+5V
1
VREF
2
IN
3
CT
4
GND
8
VCC
7
SENSE
6
RESET
5
RESET
+5V
2
1A1
4
1A2
6
1A3
8
1A4
11
2A1
13
2A2
15
2A3
17
2A4
20
VCC
18
1Y1
16
1Y2
14
1Y3
12
1Y4
9
2Y1
7
2Y2
5
2Y3
3
2Y4
10
GND
1
1G
19
2G
2
1A1
4
1A2
6
1A3
8
1A4
11
2A1
13
2A2
15
2A3
17
2A4
20
VCC
18
1Y1
16
1Y2
14
1Y3
12
1Y4
9
2Y1
7
2Y2
5
2Y3
3
2Y4
10
GND
1
1G
19
2G
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
-
+
-
+
+24V
NC
GND
F101
F101 : 1.25A
PON-RST-N
IO-RST-N
CPU-WDTO-N
DSWDTR-RST-N
CPU-DATA1
CPU-DATA0
CPU-DATA2
CPU-DATA3
CPU-DATA4
CPU-DATA5
CPU-DATA6
CPU-DATA7
DSW1SOLP-N
DSWDTR-RST-N
DSWWUT-IN2-N
DTR-RST-P
DTR-RST-N
DSW-CS1-N
IO-RST-N
LED-CS-N
DSW-CS2-N
DTR-RST-N
POWER
RESET
1
2
3
+24V
R17
103
C3
681
CN2
E1
E2
E3
E10
E11
E12
E4
DSNSOR
GND
1
2
+3.3V
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 
561 
→ 
56 x 10
1
 
= 560 
123 
→ 
12 x 10
= 12K 
0R00=0 
 
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
DSW1
DSW2
ALARM
S3
S2
S1
Important safety notice
Components identified by "      " mark have special characteristics for safety.
When replacing any of these components, use only manufacture's specified parts.
<INDEX>
G-BOX BOARD
IC1
D2
IC101
A6,B6,C6
IC102
A3
IC103
C3
IC104
B3
IC105
C3
IC106
C4
IC107
A4,B3,B4
IC108
B3
IC109
A4,B4,
D3,E3
IC110
A5,B5
IC111
A5
IC112
B7,B8,
C7,C8
IC113
A7,A8,
B7,B8
IC201
A7,A8
IC301
F5
IC302
C6,D4,E4
IC501
C6,E4,F3
IC502
D4,E3,
E4,F3
IC503
D5,E3,F3
IC504
D3,E3
IC507
C6,D6,
F6,F8
IC508
D6,E6
IC509
D6
IC510
F7
Q301
E5
Q302
E5
Q303
D5
Q304
D5
Q501
E3
Q502
E4
Q601
E6,F6
Q602
F6
Q603
E6
Q604
E6
Q605
E6
Q606
E6
Q607
D6,E6
Q608
D6
Q609
D6
Q610
D6
Q621
F7
Q622
E7,E8
Q623
E7,E8
Q624
E7,E8
Q625
D7,D8,
E7,E8
Q626
D7,D8
Q627
D7,D8
Q628
D7,D8
Q629
C7,C8
D1
D2
D2
D2
D3
D2
D4
D2
D5
D2
D6
D2
D7
D2
D8
D2
D9
D2
D10
D1
D101
C4
D102
C4
D103
C4
D104
C4
D105
C4
D106
C4
D107
C4
D108
A3
D502
E4
D503
E3
D504
E4
D505
E3
D506
E4
D507
D3
D508
D4
D509
D3
D510
D4
D602
E6
D622
E7
D623
E7
D624
E7
D625
D7
D626
D7
D627
D7
D628
D7
D629
C7
1
A
B
C
2
3
4
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