Main Circuit Board Diagram - Casio UP-250 Technical Manual

Main Circuit Board Diagram

+ D # #
5 S 2 R
V R 5 S
T
R R
S S
T T
RD
UN12
PCE 4
C15
CNN18
CN4
W
R
JN2
30
JN1
29 R26 #RST
28 DSR RST
27 #25 RST UN11
26 R21 RES
25 R25 RD 32
VCC A18/NC
24 R24 SD 31
WE/A18 A16
23 A17 30
A17 A15
22 A14 29
A14 A12
21 A13 28
A13 A7
20 A8 27
A8 A6
19 A9 26
A9 A5
18 A11 25
A11 A4
17 RD 24
OE A3
16 DK2 A10 23
A10 A2
15 PCE 22
CE A1
14 AD7 21
# DQ7/D7 A0
13 AD6 20
R
DQ6/D6 DQ0/D0
12 R14 CLK/DTR S AD5 19
DQ5/D5 DQ1/D1
11 R1 RTS AD4 18
T
DQ4/D4 DQ2/D2
10 R43 DET AD3 17
DQ3/D3 GND
9 R52 CTS
8
7
6 120nS
5
4
3
2 DKS GND
1 DK1
P G + + +
. N 2 5 2
G D 4 V 4
I A
N
9
DK1 7
D15
P G + + +
DK2 5
. N 2 5 2
CN2 G D 4 V 4
6 P.G 3
SG I A
5 DK2 N
DKD 2P
4 +24A QM5
+24V
3 DKS
DKD SW
2 DK1
DKD 1P
1
FG
D2
DKS
F.G
P.G +24A
+24IN +5V
GND
WDTOUT
Q27
+5V
GND Q1
Q24
+24COM SW D47
Q2
CRCOM SW D48
Q3
PFCOM SW D49
+24IN
P.G
F1 D6
CN1 125V,T2A
1 +24DT
+30V 1
2
GND 2
3
N.C 3
4 C10
F.G SH
C11
P.G GND
C12 L1
R17
R9
C13
FG GND
F.G
+5V +5V
DSR RST
#25 RST
#RST R49
DSR OR #25
R50
D26
U9 R44
1 5
IN OUT
C27
4
C
C42 3 2
GND NC
C28
C26
GND GND 21
WR WR
ALE 33
RD RD 60
61
2 MCE MCE
A18 29
A17 28
A16 27
17
A[8..18]
RM6 A15 50
1 2 A14 49
A
1 3 A18 A13 48
C24 4 A17 A12 47
8
5 A16
U7
A11 46
C25 A10 45
A9 44
1
A8 43
0
1 U8
2 A16 11
G G
3 A15 28 1 A15 N 1
VCC A15 OC
4 A12 A14 27 2 A12 D AD7 42
A14 A12
5 A7 A13 26 3 A7 19 18 AD7 AD6 41
A13 A7
6 A6 A8 25 4 A6 2 3 AD6 AD5 40
A8 A6
7 A5 A9 24 5 A5 5 4 AD5 AD4 39
A9 A5
8 A4 A11 23 6 A4 6 Q D 7 AD4
A11 A4
9 A3 RD 22 7 A3 9 8 AD3 AD3 38
OE A3
10 A2 A10 21 8 A2 12 13 AD2 AD2 37
A10 A2
11 A1 MCE 20 9 A1 15 V 14 AD1 AD1 36
CE A1
12 A0 AD7 19 10 A0 16 C 17 AD0 AD0 35
D7 A0 C
13 AD0 AD6 18 11 AD0
D6 D0
14 AD1 AD5 17 12 AD1
D5 D1 2
15 AD2 AD4 16 13 AD2 C40
0
D4 D2
16 AD3 15 14 + G RD 18
D3 GND
CLK/DTR 19
5 N
V D SD 20
120nS 31
U8 with IC SOCKET DET 13
AD[0..7] RES 77
CTS 79
A[0..7] RTS 16
GND
RM5
R10 RD 1 3 DET DKD1 62
CLK/DTR 5 RES DKD2 63
R11
+5V R12 SD 2 RTS DK S 10
Q29 +5V 4 CTS
PFCOM SW 76
CRCOM SW 74
1 R47 D8 DKD1 +24COM SW 73
8
Q30
6 PLED/DSW0 80
ELED/DSW9 1
4 PF SW 32
R48 D46 DKD2
2
1 R13 WDTOUT 30
0
R28 2
22
Q34 26
DK S
C39
+24A
+5V
GND
R59
U2-U4
with heat sink
+24DT
R5
D4
U2 +24A
G HEAD COM
N +24DT 5 3 A/C COM
VIN VOUT
DKD COM
D
2 G 4
SW SEN
N
C14 D
1
R6 C45
C16
GND
R7
D3
U3
5 3 +24B
VIN VOUT
CR COM
2 G 4
SW SEN
N
D
1 C7
C6
GND
D5
U4
5 3 +24C
VIN VOUT
PF COM
2 G 4
SW SEN
N
D
1 C9
C8
GND
R42
U1
SW1
+5I 1 2 10 1 +5V
IN OUT
6
LIN
G
5 C1
C5
C3
C2
GND
+5V +5V
Q31
Q32
D1 #4 DSW2
D16
PLED/DSW0
ELED/DSW9
#1
DSW1
U5 PF D/DSW8 #8
PF C/DSW7
24 GND PF B/DSW6
RESET X1
PF A/DSW5
CR D/DSW4
ALE
CR C/DSW3
RD
25 CR B/DSW2
WR X2 X1
CR A/DSW1
#1
59 PF D/DSW8
P93/M13 Q38
58 PF C/DSW7
P77 P92/M12 Q28 R29
57 PF B/DSW6 AC2/DSEL
P76 P91/M11
56 PF A/DSW5
P75 P90/M10
AC1/DSEL
P71
55 CR D/DSW4
P23/M03
54 CR C/DSW3
P22/M02
53 CR B/DSW2
A15 P21/M01
52 CR A/DSW1
A14 P20/M00
A13
CR/PF[A..D] & DSW[1..8]
A12
HEAD[1..9]
A11
A10
72 HEAD9
A9 P50
71 HEAD1 +5V
A8 P47
70 HEAD2
P46
69 HEAD3 +24DT
P45
68 HEAD4 R8
P44
67 HEAD5
AD7 P43
66 HEAD6
AD6 P42
65 HEAD7 R46 D50
AD5 P41
64 HEAD8
AD4 P40
AD3 C33
7 V DTC
AD2 P60/AN0
8 HD TEMP
AD1 P61/AN1
9 NE
AD0 P62/AN2
11 RE R45
C29
P64/AN4
12 HP DET
P65/AN5
P72/RXD1
P73/SCLK1
14 AC RST
P74/TXD1 P67/AN7
3 AC1/DSEL
P81/INT0 P100
4 AC2/DSEL
P66/AN6 P101
P54/INT2/TI5
P55/WAIT/TO1
5 AVCC
P70 AVCC
6
C31 C30
AVSS
P32
GND
P33
P63/AN3
75 +5V
VCC
34
VCC
15
P53/INT1/TI4 VCC
P52/TO5
C32 C4
P51/TO4
78
VSS
51
VSS
23 GND
P E
P56/INT3/TI2 VSS
L L
P57/TO3
E E
P82
D D
/ /
D D
P80/WDTOUT S S
W W
NMI
+5V
CLK + 0 9
2
EA
4 P E
D L L P
T E E F
R41
D D
/ Q35 / Q36 S
D D W
S S SW2
W W
0 9
R15
R56 (FEED)
R54 R55
1
1 (POWER) 1 (PAPER) D11 (ERROR)
D13 D12
C17
2
2 2
+24A
+24B
+24C
+5V
GND
+5V
1
C41
GND
1
— 144 —
+24B
+5V
R27
D25 CR A/DSW1
Q15
D14
Q14
D17
D29
D9
CR C/DSW3
D18
D30
D19
RM1 1
D20 CR B/DSW2 7 8 8 9
Q17 5 6
D21 3 4 6 7
Q16 1 2
D22 4 5
CR D/DSW4 D31
D23 2 3
D24 D36 1
QM3
0
Q39
PF A/DSW5
Q19
Q18
D35
PF C/DSW7
D33 QM4
RM2 1
PF B/DSW6 7 8 8 9
Q21 5 6
3 4 6 7
Q20 1 2
+5V 4 5
D34
+ + PF D/DSW8
5 2 2 3
V 4
B D37 1
0
R18
+24C +24C
R19
HD T
D27 D28
+5V
G
N
D
C19
HEAD1
Q5
Q4
D32
HEAD5 QM1
D38
1
8 9
RM3
HEAD6 7 8 6 7
Q7 5 6
3 4 4 5
Q6 1 2
2 3
D39
HEAD2
1
0
D40
Q13
D44
HEAD4
R20
G + + +
N 5 2 2 Q12
D V 4 4
B C
HEAD3
Q9
Q8
G
N
D41
HEAD7
D
D42
GND
RM4 1
HEAD9 8 7 8 9
Q11 6 5
4 3 6 7
Q10 2 1
4 5
D43
HEAD8
2 3
D45 1 D7
0
QM2
+24A
+24B
+24C R40
+5V +5V +5R
GND
R36
RE REC
R37
R38
HP DET HPC
R39
R53 R16
NE
C44
C46
C22
GND GND
C23
+24A
NEC
U6
7
VM
AC1/DSEL R57 1 3
IN1 OUTA
AC2/DSEL 2 5
R58
IN2 OUTA
4
GND
GND
+5V
R34
R35
AC RST
C21
GND
+
2
4
B
CN5 (ROTOR)
1 CR A
1
2 CR C
2
3 CR COM
3
4 CR B
4
5 CR D
5
CN6 (ROTOR)
1 PF A
1
2 PF C
2
3 PF COM
3
4 PF B
4
5 PF D
5
D10
CN7
1 FG
2 #2
3 #4
4 #6
5 #8
6 COM(#4,6,8)
7 #9
8 COM(#1,2,9)
9 THEM1
10 THEM2
11 COM(#3,5,7)
12 #5
13 #7
14 #1
15 #3
+
2
4
A
CN8
1 +5V
1
2 H.P
2
3 GND
3
4 R.E
4
1 2
CN11
1 N.E 1 2
1
2 GND
2
C20
CN9
1 AC M1
1
2 AC M2
2
3 GND
3
4 AC RES 1 2
4