Read Panasonic BM-ED500 Service Manual online
4-2-5
SCHEMATIC DIAGRAM OF G-BOX BOARD (4/4)
TO
CONTROL
BOARD
(1/3)
CN3
1-4 PIN
CONTROL
BOARD
(1/3)
CN3
1-4 PIN
FLASH ROM
RS-232C
DRIVER / RECEIVER
DRAM
LINE DECODER
CLOCK GEN.
MICROCOMPUTER
05-107
ATUS
DICATORS
<LOCATION MARK>
3/4
1/4
4/4
2/4
104
104
103
103
103
104
104
104
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
330
OPEN
104
104
104
104
R155
OPEN
R154
102
Z123
Z121-126 : 103
Z124
Z125
Z126
R109
R110
R111
R112
R113
R114
R115
R116
R117
R118
R119
R120
R121
R122
R123
R124
R125
R126
R127
R128
R129
R110
R111
R112
R113
R114
R115
R116
R117
R118
R119
R120
R121
R122
R123
R124
R125
R126
R127
R128
R129
0R00
R130
R131
R132
R133
R131
R132
R133
R134
R135
R136
R135
R136
R137
R138
R139
R138
R139
R140
0R00
R141
R168
R167
OPEN
103
R142
C115
C121
C125
R156
C126
C127
C124
C122
Z116
Z117
Z118
Z119
Z120
Z122
104
C1
16
104
C1
18
104
C1
17
104
C120
104
C1
19
104
C123
R143
R150
330
R151
330
IC111
IC110
IC112
IC113
R107
102
D107
X101
(20MHz)
L101
L102
C101
C102
R108
(6/6)
IC507
IC101
Z115
Z121
Z111
Z112
Z111-114 : 103
Z113
Z114
Z105
Z105-110 : 103
Z115-120 : 103
Z106
Z107
Z108
Z109
Z110
R152
330
IC201
CN201
C201
105
C203
OPEN
C202
105
C204
105
105
R201
103
C206
104
C205
105
105
C
D
R656
471
R160
OPEN
R161
0R00
+5V
+5V
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
4
1
2
3
+5V
+5V
+5V
1
A0
2
A1
3
A2
4
CS2
5
CS3
6
CS1
7
Y7
8
GND
9
Y6
10
Y5
11
Y4
12
Y3
13
Y2
14
Y1
15
Y0
16
VCC
+5V
+5V
+5V
18
27
36
45
+5V
+5V
18
27
36
45
18
27
36
45
18
27
36
45
1
A0
2
A1
3
A2
4
CS2
5
CS3
6
CS1
7
Y7
8
GND
9
Y6
10
Y5
11
Y4
12
Y3
13
Y2
14
Y1
15
Y0
16
VCC
1
VCC
2
DQ1
3
DQ2
4
DQ3
5
DQ4
6
VCC
7
DQ5
8
DQ6
9
DQ7
10
DQ8
38
DQ15
11
NC
12
NC
13
WE
14
RAS
15
NC
16
A0
37
DQ14
36
DQ13
35
VSS
34
DQ12
33
DQ11
32
DQ10
31
DQ9
30
NC
29
LCAS
28
UCAS
27
OE
26
A8
25
A7
24
A6
23
A5
17
A1
18
A2
19
A3
22
A4
21
VSS
20
VCC
39
DQ16
40
VSS
17
A17
48
A16
1
A15
2
A14
3
A13
4
A12
5
A11
6
A10
7
A9
8
A8
32
DQ9
18
A7
19
A6
20
A5
21
A4
22
A3
23
A2
30
DQ8
44
DQ7
42
DQ6
40
DQ5
38
DQ4
35
DQ3
33
DQ2
31
DQ1
29
DQ0
15
BUSY
37
VCC
24
A1
25
A0
28
OE
11
WE
34
DQ10
36
DQ11
26
CE
47
BYTE
41
DQ13
39
DQ12
43
DQ14
45
DQ15
27
VSS
46
VSS
12
RESET
NC
NC
NC
NC
NC
NC
NC
13
14
14
9
10
10
16
12
13
13
11
4
AD0
5
AD1
6
AD2
7
AD3
8
AD4
9
AD5
10
AD6
11
AD7
13
AD8
14
AD9
16
AD10
17
AD11
18
AD12
19
AD13
20
AD14
21
AD15
64
PA10
65
PA11
67
DREQ0
66
DACK0
68
IRQ2
69
IRQ3
97
TP0
98
TP1
100
TIOCA3
101
PB3
102
TIOCA4
103
PB5
51
CASL
49
CASH
56
WAIT
59
RD
57
WR
58
LBS
62
PA8
60
PA7
23
A0
24
A1
25
A2
26
A3
27
A4
28
A5
29
A6
30
A7
32
A8
33
A9
34
A10
35
A11
36
A12
37
A13
38
A14
39
A15
41
A16
42
A17
44
A18
45
A19
46
A20
47
A21
79
RES
76
NMI
78
WDTOVF
71
CK
73
EXTAL
74
XTAL
3
VSS1
77
VPP
15
VCC1
43
VCC2
70
VCC3
75
VCC4
83
VCC5
84
VCC6
99
VCC7
48
CS0
50
CS2
53
CS4
55
CS6
54
RAS
104
TP6
105
TP7
107
RXD0
108
TXD0
109
RXD1
110
TXD1
111
IRQ4
112
IRQ5
1
IRQ6
2
IRQ7
63
PA9
87
PC0
88
PC1
89
PC2
90
PC3
92
PC4
93
PC5
94
PC6
95
PC7
82
MD2
81
MD1
80
MD0
85
AVCC
86
AVREF
91
AVSS
12
VSS2
22
VSS3
31
VSS4
40
VSS5
52
VSS6
61
VSS7
72
VSS8
96
VSS9
106
VSS10
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
18
27
36
45
1
VCC
11
RI2
2
C+
3
VCC
4
C-
5
C+
6
C-
7
TI1
8
TI2
9
RO1
10
RO2
12
RI1
13
TO2
14
TO1
15
VCHA
16
STBY
17
VSS
18
C-
19
GND
20
C+
+5V
+5V
(4/6)
IC302
(4/4)
IC501
9
8
CPU-DATA14
CPU-DATA15
CPU-DATA13
CPU-DATA12
CPU-DATA12
CPU-DATA11
CPU-DATA10
CPU-DATA9
CPU-DATA8
CPU-DATA8
CPU-DATA1
CPU-DATA0
CPU-DATA2
CPU-DATA3
CPU-DATA3
CPU-DATA4
CPU-DATA5
CPU-DATA6
CPU-DATA7
CPU-DATA5
CPU-DATA6
CPU-DATA7
CPU-CASH-N
CPU-CASL-N
CPU-ADR9
CPU-ADR7
CPU-ADR8
CPU-ADR6
CPU-ADR5
CPU-ADR5
CPU-WR-N
CPU-RAS-N
CPU-RAS-N
CPU-ADR1
CPU-ADR2
CPU-ADR3
CPU-ADR4
CPU-ADR2
CPU-ADR3
CPU-ADR4
CPU-ADR18
CPU-ADR17
CPU-ADR16
CPU-ADR15
CPU-ADR14
CPU-ADR13
CPU-ADR12
CPU-ADR11
CPU-ADR10
CPU-ADR9
CPU-ADR8
CPU-ADR7
CPU-ADR6
CPU-ADR5
CPU-ADR4
CPU-ADR3
CPU-ADR2
CPU-ADR1
CPU-ADR17
CPU-ADR16
CPU-ADR15
CPU-ADR14
CPU-ADR13
CPU-ADR12
CPU-ADR11
CPU-ADR10
CPU-ADR9
CPU-ADR8
CPU-ADR7
CPU-ADR6
CPU-ADR5
CPU-ADR4
CPU-ADR3
CPU-ADR2
CPU-ADR1
CPU-RD-N
CPU-WR-N
CPU-CS0-N
CPU-HL1
PON-RST-N
CPU-WR-N
CPU-CS0-N
CPU-HL1
PON-RST-N
CPU-DATA14
CPU-DATA15
CPU-DATA13
CPU-DATA12
CPU-DATA12
CPU-DATA11
CPU-DATA10
CPU-DATA9
CPU-DATA8
CPU-DATA8
CPU-DATA6
CPU-DATA7
CPU-DATA5
CPU-DATA4
CPU-DATA3
CPU-DATA2
CPU-DATA1
CPU-DATA0
CPU-DATA4
CPU-DATA3
CPU-DATA2
CPU-DATA1
CPU-DATA0
CPU-CS2-N
WUT-OUT8-N
CPU-CS0-N
CPU-RAS-N
CPU-CASL-N
CPU-CASH-N
CPU-RD-N
WUT-OUT2-N
CPU-WR-N
WUT-OUT7-N
WUT-OUT6-N
WUT-OUT6-N
WUT-OUT4-N
WUT-OUT3-N
WUT-OUT3-N
WUT-OUT5-N
485-1
EL1SOL-N
WUT-OUT1-N
CPU-TXD-P
485-2
CPU-RXD-P
EL1OPEN-N
EL1LOCK-P
EL1UNLK-P
EL1HUNLK-P
W2+CPU
W2-CPU
W1+CPU
W1-CPU
WUT-IN8-P
WUT-IN7-P
WUT-IN6-P
WUT-IN5-P
WUT-IN4-P
WUT-IN3-P
WUT-IN2-P
WUT-IN1-P
WUT-IN7-P
WUT-IN6-P
WUT-IN5-P
WUT-IN4-P
WUT-IN3-P
WUT-IN2-P
WUT-IN1-P
PON-RST-N
CPU-HL1
CPU-WDTO-N
CPU-DATA14
CPU-DATA15
CPU-DATA13
CPU-DATA12
CPU-DATA11
CPU-DATA10
CPU-DATA9
CPU-DATA8
CPU-DATA12
CPU-DATA11
CPU-DATA10
CPU-DATA9
CPU-DATA8
CPU-DATA1
CPU-DATA0
CPU-DATA0
CPU-DATA2
CPU-DATA3
CPU-DATA4
CPU-DATA5
CPU-DATA6
CPU-DATA7
CPU-ADR3
CPU-ADR2
CPU-ADR1
CPU-ADR0
CPU-ADR2
CPU-ADR1
CPU-ADR0
CPU-ADR7
CPU-ADR6
CPU-ADR5
CPU-ADR4
CPU-ADR6
CPU-ADR5
CPU-ADR4
CPU-ADR11
CPU-ADR10
CPU-ADR9
CPU-ADR8
CPU-ADR10
CPU-ADR9
CPU-ADR8
CPU-ADR15
CPU-ADR14
CPU-ADR13
CPU-ADR12
CPU-ADR14
CPU-ADR13
CPU-ADR12
CPU-ADR18
CPU-ADR17
CPU-ADR16
CPU-ADR17
CPU-ADR16
CPU-ADR0
CPU-ADR1
CPU-ADR2
CPU-CS2-N
CPU-RD-N
CPU-HL1
CPU-ADR1
CPU-ADR2
CPU-CS2-N
CPU-RD-N
CPU-HL1
DSW-CS2-N
DSW-CS1-N
CPU-ADR0
CPU-ADR1
CPU-ADR2
CPU-CS2-N
CPU-WR-N
CPU-HL1
CPU-ADR1
CPU-ADR2
CPU-CS2-N
CPU-WR-N
CPU-HL1
LED-CS-N
PON-RST-N
IO-RST-N
CPU-WDTO-N
DSWDTR-RST-N
CPU-DATA1
CPU-DATA0
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
GND
RXD1
TXD1
GND
NC
RXD1
TXD1
GND
NC
CPU-TXD-P
CPU-RXD-P
DTR-RST-P
DTR-RST-P
OUT
OE
VDD
GND
1
2
3
4
5
2
3
4
5
S2
S1
5
6
7
8
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