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BJC-2000
7.2 Circuit Diagrams
8
RES
+5V
1K,1/16W
R7
+5V
P51592EMT
1
Vout
C116
C115
MaRes
2
0.1m ,25V
1000p,50V
RESET IC
CRSTBY
EEPROM (1Kbit)
IC1
5-29130AFJ-TB
+5V
1
8
NC
TEST
2
7
VCC
GND
3
6
CS
D0
4
5
D1
SK
C101
0.1m ,25V
POWER (NC)
HPS
<02-A3>
CVDC
<02-E3>
HRES
<02-D3>
HLATCH
<02-E3>
NC LED0
NC LED4
TSW0
<02-F4>
TSW1
<02-F4>
INKS1
<02-C3>
INKS2
<02-C3>
HDATA
<02-E3>
HCLOCK
<02-E3>
C102
1000p,50V
BENB3
<02-D3>
BENB2
<02-D3>
BENB1
<02-D3>
OddENB
<02-D3>
EvenENB
<02-D3>
HENB3
<02-D3>
HENB2
<02-D3>
+5V
HENB1
<02-D3>
HENB0
<02-D3>
ID1
<02-C3>
ID0
<02-D3>
0.1m ,25V
DTH
<02-B4>
R2
HRANK
47K,1/16W,
<02-C3>
C1
<02-C3>
0.01m ,50V
<02-F3>
<02-F3>
<02-E3>
<02-B5>
<02-A3>
<02-A3>
7
6
Oscillator
M62781GP
R6
1M,1/16W
IC9
X2
CSTCV22.11
1
2
IN
OUT
MXJOHI
IC2
GND
1
3
OUT
OUT
3
4
2
GND
GND
Vcc
3
C2
JP1
0.1m ,
CP10
1
2
25V
BZ(
NC)
+5V
3.3K,1/16W
R3
+5V
+5V
+5V
RD0
1
PE4
RD1
2
PE5
RCS
3
PE6
SK
4
PE7
5
PB7
6
P40
7
P66
8
HDP.ES
9
HLAT
10
VDD1
11
PDB
12
PB1
13
PB2
14
PB3
15
VSS1
16
PC0
17
CP1
PC1
18
CP2
PC2
19
PC3
20
VDD2
21
HDATR
22
HCLK
MPU & Printer Controller
23
VSS2
24
BENB3
25
BENB2
26
BENB1
27
VDD3
28
ODDENB
29
EVENB
30
VSS3
31
PE1
32
PE0
33
HENB1
34
HENB0
35
VSS4
36
P36
37
P35
C103
38
AVSS
39
PS0/AN0
40
PS1/AN1
41
PS2/AN2
42
PS3/AN3
43
AVDD
TOPC
44
P67
WHEAT
45
WHERT
VHC
46
P42
MCH0
47
MCH0
48
SNC
P65
49
PES
P41
RRS
50
P33
51
P82
52
P60
+5V
CR[3....0]
4
<02-C6>
PWMA
<02-C6>
PWMB
<02-C6>
CHSM1
<02-C6>
CRSTBY
<02-C6>
5
4
STB
<02-E8>
8
IFD[7....0]
<02-F8>
ACK
<02-E8>
BUSY
<02-E8>
PE
<02-E8>
SLCT
<02-E8>
AFXT
<02-E8>
INIT
<02-D8>
FAULT
<02-E8>
SELIN
<02-E8>
IFC
<02-F8>
+5V
C108
156
1000p,50V
VSS12
155
VDD14
21
154
A21
153
20
A20
19
152
A19
18
151
A18
17
150
A17
16
149
A16
148
15
A15
147
VDD13
146
14
A14
13
145
A13
144
12
A12
143
11
A11
142
VSS11
141
VDD12
10
140
A10
139
9
A9
138
8
A8
7
137
A7
6
136
A6
5
135
A5
134
4
A4
133
3
A3
132
2
IC3
A2
131
1
A1
130
C107
VDD11
129
1000p,50V
VSS10
128
RD
127
CP6
CS1
126
CS0
125
VDD10
124
AD15
123
AD14
122
AD13
121
AD12
120
AD11
119
VSS9
118
AD10
117
AD9
116
AD8
115
AD7
114
VDD9
113
AD6
112
AD5
111
AD4
110
AD3
109
AD2
108
AD1
107
AD0
106
VSS8
105
VDD8
C106
1000p,50V
LA
<02-D5>
LA
<02-D5>
LB
<02-D5>
FB1
LB
R11
<02-D5>
MA[9....0]
10
<01-C3>
1M,1/16W
MD[15....0]
16
<01-C3>
Oscillator
RAS
<01-C3>
X1
CAS
<01-C3>
MDE
<01-C3>
1
3
MLW
OUT
<01-C3>
OUT
2
MUW
<01-C3>
GND
C5TCV20.00MXJ0HI
3
2
LOGIC BOARD 01
LOGIC BOARD 01
A[21....1]
21
21
AD[15....0]
16
16
CONTROL ROM (8Mbit)
+5V
DILB42P-BJ
IC4
R8
R8 : Not mounted
19
20
1
42
A18
N.C
18
2
41
9
A17
A8
8
3
40
10
A7
A9
7
4
11
39
A6
A10
6
12
5
38
A11
A5
5
13
6
37
A4
A12
4
14
7
36
A3
A13
3
8
15
35
A2
A14
2
16
9
34
A1
A15
1
10
33
17
A16
A0
21
CSO
11
32
CE
BYTE/VPP
12
31
R9 : Not mounted
R9
GVD
GND
30
15
RD
13
D15/AI-1
OE
29
7
0
14
D0
D7
8
15
28
14
D14
D8
1
16
27
6
D6
D1
26
13
9
17
D13
D9
5
2
18
25
D5
D2
12
10
19
24
+5V
D12
D10
3
20
23
4
D3
D4
11
21
22
VDD
D11
FB4
C112
FB3
0.1m ,25V
C111
1000p,50V
FB2
15
14
MA[9....0]
10
MA[9....0]
13
<01-A5>
MD[15....0]
16
MD[15....0]
12
<01-A5>
RAS
11
<01-A5>
CAS
<01-A5>
10
MDE
<01-A5>
9
MLW
<01-A5>
MUW
+5V
8
C113
1000p,50V
<01-A5>
7
6
DRAM (4Mbit)
5
UPD424260LE-70
4
IC5
3
2
1
40
1
Vcc
Vss
0
2
39
15
0
DO1
DO16
1
3
38
14
DO2
DO15
2
4
37
13
DO3
DO14
3
5
36
12
DO13
DO4
6
35
Vss
Vcc
4
7
34
11
DO12
DO5
5
8
33
10
DO6
DO11
6
9
32
9
DO7
DO10
7
10
31
8
DO8
DO9
CP17
11
30
CP18
NC
NC
12
29
MLW
MLW
LW
NC
13
28
MUW
CAS
CAS
UW
RAS
14
27
MDE
DE
RAS
9
8
15
26
A9
A8
7
0
16
25
A7
A0
1
17
24
6
A1
A6
2
23
5
18
A2
A5
22
4
3
19
A3
A4
20
21
Vss
Vcc
C114
0.1m ,25V
Part 5: Maintenance
1
F
E
D
C
B
A
5-29
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