Uniwell LX-5700 Repair Manual page 32

1 2
VCC
H
IC5
1 8
A H
2 7
B G
3 6
C F
R60
4 5
D E
22K
MPS0
MPS1
MPS2
G
MPSIN
MPSOUT
MPCLK
POWIND
3
RESDSP#
2
Q8
1
2SC3398
VCC
F VCC
LCDLIGHT
GND
TP6
NMI#
IC7A
IC11A
TC74VHC32F
5 2 D0
E CSIBUT Q D
1 CSIBF#
6 3 3
Q CK
4 2
PR VCC
1
CL
RES#
74HC74 VCC
TP3 TP1
R35
10K
RD#
D WR#
IBUTIN
CONDSP
DWRS#
IC13A
1 2
KDCBSY#
74HC04
IC11B
9 12
C Q D
IC8D
8 9 8 11 10
SO Q CK
10
PR VCC
TC74VHC04F 13
CL
74HC74
IC8B
4 3
CKS
TC74VHC04F
SI
LCDCNT
B LCDRES#
WAIT#
DTR0#
RTS0#
TXA0
RXA0
CTS0#
TXA1
RXA1
RTS1#
CTS1#
A DTR1#
1 2
3
R63 R73
C47
C76 C79 C68 C69
10K 22K
0.1u
0.1u 0.1u
0.1u 0.1u
(IC13)
(IC7) (IC8)
(IC11)
TP7
C67
0.1u
GND
76
A11
P33/A11
77
A10
P32/A10
A9 78
P31/A9
79
A8
P30/A8
80
A7
P47/A7
A6 81
P46/A6
82
A5
P45/A5
83
A4 TMP95C265 F
P44/A4
A3 84
P43/A3
85
A2
P42/A2
86
A1
P41/A1
A0 87
P40/A0
88
P50/RD
89
P51/WR
90
P52/HWR
91
VSS(GND)
92
PA0/AN0
93
PA1/AN1
94
PA2/AN2
95
PA3/AN3/ADTRG
96
PA4/AN4
97
PA5/AN5
98
PA6/AN6
99
PA7/AN7
100
VREFH
TC74VHC04F
IC8E
11
C78
0.01u
RES#
C75
0.01u
R69
1K
3
4 5
VCC
TC74VHC138F
C122
IC12
0.1u
6 7
G1 Y7
4 9
G2A Y6
5 10
A20 CSIBF#
G2B Y5
11
Y4
12
Y3
3 13
A18
C Y2
A17 2 14
B Y1
A16 1 15
A Y0
IC13B
3
74HC04
A[0..22]
D[0..7]
IC10
D0 D1 D2 D3
VCC
50
D5
P05/D5
49
D4
P04/D4
48 D3
P03/D3
47
D2
P02/D2
46
D1
P01/D1 R88
45 D0
P00/D0
10K
44
VCC
43
P96/TOA/TOB
42
P95/TIB/INT8
41
P94/TIA/INT7
40
P93/TO9
39
P92/TO8
38
P91/TI9/INT6
37
P90/TI8/INT5
36
P75/TO7/INT4
35
P74/TO5
34
P73/TI4/INT3
33
P72/TO3/INT2
32
P71/TO1
31
P70/TI0/INT1
30
RESET
29
R68
EA
28
X2
27
X1
26 R67 22
VSS(GND)
1M
XTAL3
1 2
24.576
C51 MHz
C50
10pF
10pF
C147
0.01u
THE MARK "-","NU-" SHOWS THE PART WHICH ISN'T MOUNTED.
4 5
6 7
4
IC7D
12
IC8C
11
A20 5 6 13
TC74VHC04F TC74VHC32F
IC7C
IC8A
9
8 1 2
10
TC74VHC04F
TC74VHC32F
VCC
NR2 NR3
10kx4 10KX4
IC8F
TC74VHC04F
IC7B
13 12 4
6
5
TC74VHC32F
D4 D5 D6 D7
R184
10K
IC13C
5 6
DCD0#
74HC04
DWR2
DWR1
CS0 : RAM & LAN
CSRAM# : 0008A0H - 07FFFFH
INT4
CSLAN# : 080000H - 0FFFFFH
INT3
CS1 : LCD
INT2
CSLCD# : 100000H - 1FFFFFH
INT1
RES#
RES#
CS2: I/O & ROM
TP5 CSIO# : E00000H - E0FFFFH
CSCHC# : E10000H - E1FFFFH
CSCHD# : E20000H - E2FFFFH
CSCHE# : E30000H - E3FFFFH
CSPRT# : E40000H - E4FFFFH
CSIBF# : E50000H - E5FFFFH
CSROM# :
2Mbit = FC0000H - FFFFFFH
4Mbit = F80000H - FFFFFFH
8Mbit = F00000H - FFFFFFH
CS3 : External RAM
CSRAM : 200000H - 7FFFFFH
SYSCLK
CSEXRAM#
CSLCD#
Uniwell Corporation
MPU131-C MPU CIRCUIT
Title
GW.Lai
Drawened By:
Anthony Liu
Approves By:
6 7
PRINT INDEX
8
LX57XX
H
CSCHE#
CSCHD#
CSCHC#
G
CSROM#
A[0..22]
CSRAM
F
RESPRT
CSLAN#
D[0..7]
E
KDCCS#
D
C
B
20-JULY-2004
Date:
A
Page of
3 10
Revision: 1.07
8