Uniwell LX-5700 Repair Manual page 38

1 2
H
RSTRB1
RSTRB2
RSTRB3
RSTRBCM
JSTRB1
JSTRB2
JSTRB3
JSTRBCM
G
R146 R144
VCC
10K 10K
C141
+
C128
47u/10V
0.1u
GND
JVCTL
RVCTL
JSLT#
RSLT#
F
E
76
XA11
77
XA10
XA9 78
79
XA8
XA7 80
XA6 81
82
XA5
83
XA4
XA3 84
85
XA2
86
XA1
XA0 87
88
XRD#
89
XWR#
90
RPH1
91
D
92
93
RHDTEMP
94
JHDTEMP
95
96
97
98
HPCUT
99
100
VCC
VP
R112
D24 C111
10.0K 0.1u
1SS272
1%
C
C119
C115
0.1u 0.1u
R188
C149
0.1u
2.20K
1%
R191
RFACTL
B
0
NMI#
NMI#
RESPRT#
RESPRT#
TXDP
TXDP
RXDP R118 1K
RXDP
CTSP# R187 1K
CTSP#
RTSP#
RTSP#
A
1 2
3 4
VCC
C129
C116
+
0.1u
47u/10V
P33/A11 P05/D5
P32/A10 P04/D4
P31/A9 P03/D3
P30/A8 P02/D2
P47/A7 P01/D1
P46/A6 P00/D0
P45/A5 VCC
P44/A4 P96/TOA/TOB
P43/A3 P95/TIB/INT8
P42/A2 P94/TIA/INT7
P41/A1 P93/TO9
IC26
P40/A0 P92/TO8
P50/RD P91/TI9/INT6
P51/WR P90/TI8/INT5
P52/HWR P75/TO7/INT4
TMP95C265 F
VSS(GND) P74/TO5
PA0/AN0 P73/TI4/INT3
PA1/AN1 P72/TO3/INT2
PA2/AN2 P71/TO1
PA3/AN3/ADTRG P70/TI0/INT1
PA4/AN4 RESET
PA5/AN5 EA
PA6/AN6 X2
PA7/AN7 X1
VREFH VSS(GND)
C110
0.01u
THE MARK "(-)","NU-" SHOWS THE PART WHICH ISN'T MOUNTED.
3 4
5
VCC
R171
0
R177
XA19
(-)
XA18 0
XA17
2
XA16
A16
XA15 3
A15
XA14 29
A14
28
XA13
A13
XA12 4
A12
XA11 25
A11
23
XA10
A10
XA9 26
A9
XA8 27
A8
5
XA7
A7 IC29
XA[0..19] XA6 6
A6
XA5 7 M27C2001
A5
8
XA4
A4 (M27C4001
XA3 9
A3
/M27C1001
XD7 XA2 10
A2
11
XD6 XA1 /M27C801)
A1
12
XA0
A0
21
XD7
O7
XD6 20
O6
XD5 19
O5
18
XD4
O4
17
XD3
O3
XD2 15
O2
14
XD1
O1
XD0 13
O0
50
XD5
49
XD4
48 XD3
47
XD2
46 XD1
45 XD0
44
43 R145
10K
10K
42 R115
41 10K
R149
40 R138
10K
39
38 10K
R150
37 R128 10K
36
35
34
33
32
31
30
29
R126 10
28
R100
27
26 R127
XTAL4 10K VP
1M
APH2
24.57MHZ AEN2
APH1
AEN1
C109
10pF
C113 C86
10pF
0.01u
C114
0.1u
24.57MHz
10K
R130
5
6 7
C136 C123
0.1u 0.1u
2
XA16
A16
XA15 31
A15
XA14 3
A14
28
XA13
A13
XA12 4
A12
XA11 25
A11
23
XA10
A10
XA9 26
A9
XA8 27
A8
5 IC27
XA7
A7
XA6 6
TC551001CF-85L
A6
XA5 7
A5
8
XA4
A4
XA3 9
A3
XA2 10
A2
11
XA1
A1
12
XA0
A0
21
XD7
I/O7
XD6 20
I/O6
XD5 19
I/O5
18
XD4
I/O4
17
XD3
I/O3
XD2 15
I/O2
14
XD1
I/O1
XD0 13
I/O0
XRD#
XWR#
CN25
TO PRT101
1
2
3
4
5
6
B6B-PH-K-S
R98 10K
R107 10K
Uniwell Corporation
MPU131-C PRINTER CONTROL CIRCUIT
Title
GW.Lai
Drawened By:
Anthony Liu
Approves By:
6 7
PRINT INDEX
8
LX57XX
H
VBT
VBT
G
RAME
RAME
F
E
JPEND
JHEDUP
RPEND
RHEDUP
D
JEN2
JEN1
JPH2
JPH1
C
JSCLK
JSOUT
JSIN
RPH2
REN1
REN2
B
RSIN
RSOUT
RSCLK
20-JULY-2004
Date: A
Page of
9 10
Revision: 1.07
8