Uniwell LX-5700 Repair Manual page 37

1
D
VF1
VF1
VF2
VF2
KDCBSY#
KDCCS#
CKS
SI
SO
NMI#
VBT
VBT
C
ZD4
D10
RLZ9.1C
1SS352
C102
R180
R32
33K
10K 0.1u
VBB
VBB
RESDSP#
RESDSP#
C35
0.1u
GND
GND
VCC
VCC
C58 NR1
10KX4
0.1u
+
C88
10u/16V
GND
B
1
VCC
2
CN14 /CLS
3
/RCP
4
/RDD
5
IL-S-5P-S2T2-EF
R182
(CARD READER)
100K
R181
R183
Q16
1
2
3
2SA1344
2.7K 1/2W
RL15
R56
RL14
R53
RL13
1.5K 1/2W
R71
Q15
3
22k
2
A BZ1
1
KBS-20DB-4P
R64
2SC3398
22k
1
2 3
C43 C36 C39
C44
33pF 33pF
22pF 22pF
1 2 2 1
XTAL1
XTAL2
DT-38 32.768KHZ
KBR-4.91M
R54
CONDSP
330K
VF1
VF2
13
T11
12
T10
11
T9
10
T8
9
T7
8
T6
7
T5
6
T4
46 5
P33 T3
35 4
P10/INT0 T2
32 3
P01/SCK T1
33 2
P02/SO T0
34
P03/SI
31 16
P00/INT4 S11
17 DP
S10
20 COM
S9
21
Tr
R92
S8
22
S7
47K 23 g
S6
24
f
S5
25
e
S4
26 27 d
VDD S3
28
c
S2
29 b
S1
30 a
S0
19
VPRE
18 36
VLOAD P11/INT1
1
RES
58
VSS
38
P13
55
PRO
37
P12/INT2
43
P30/CLS
44
P31/RCP
45
P32/RDD
48
P61
49 39
P62 P20
50 40
P63 P21
14 41
T12/PH1 P22
15 42
T13/PH0 P23
51
P40
52
P41
53
P42
54
P43
61
P50
62
P51
63
P52
64
P53
47
P60
IC6 UPD75206GF-740-3BE
C46
R77 22k
R76 22k
220pF
R75 22k
R72 22k
C48
R65 22k
R74 22k
220pF
C18
R70 22k
220pF
R78 22k
R61
C52
22k
C61
2 3
4
(BACK DISPLAY)
CN5
JS-1001-14
0
R34
G12
G11
G10
G9
G8
G7
G6
G5
G4
G3
G2
G1
(-) D22
D20
ISS132
1SS352
(-)
D21
ISS352
D8
1SS272
2 3
1 4
R96
22k
R93
R94 22k
R90
R89 22k
R86
R87 22k
R82
C55 C59 C64 C65 C73 C77 C82
C54 C56 C60 C63 C71 C74 C80
220pF x 16
THE MARK "(-)","NU-" SHOWS THE PART WHICH ISN'T MOUNTED.
4
5
(BACK DISPLAY)
CN6
JS-1001-15
DP
COM
Tr
g
f
e
d
c
b
a
D17
1SS272 X 4
D16
CN21
ROFCM
1
ROF1
2
JS-1109-02
(TEST MODE)
CN8
CNTCOM
NF1
1
SP NF2
2
NF3
LOCK
3
R NF4
4
X NF8
5
NF7
Z1/P
6
Z2 NF5
7
NF6
8
JS-1001-08
(CONTROL KEY)
CN18
RL0 RL0
1 1
RL1 RL1
2 2
RL2 RL2
3 3
RL3 RL3
4 4
RL4 RL4
5 5
RL5 RL5
6 6
RL6 RL6
7 7
RL7 RL7
8 8
RL8
9 9
RL9
10 10
RL10
11
JS-6001-10
RL11
12
RL12 (STROKE KEY)
13
RL13
14
RL14
15
22k RL15
16
CN19
22k
CP-16
22k
(FLAT KEY)
22k
Uniwell Corporation
MPU131-C KEYBOARD CIRCUIT
Title
GW.Lai
Drawened By:
Anthony Liu
Approves By:
5
PRINT INDEX
6
LX57XX
D
C
D19
D18
CN10
CP-08
(FLAT KEY)
SL0
1
SL1
2
SL2
3
SL3
4
SL4
5
SL5
6
SL6
7
SL7
8
SL0
1
SL1
2
SL2
3
SL3
4
SL4
B
5
SL5
6
SL6
7
SL7
8
CN9
JS-6001-08
(STROKE KEY)
A
20-JULY-2004
Date:
Page of
8 10
Revision: 1.07
6