Uniwell LX-5700 Repair Manual page 40

1 2
H
G
F
TO MPU
E
D
C
B
A
1 2
3 4
CN1
RPHA
1
RPH/A
2
RPH/B
3
RPHB
4
5
CUTS
6
PLATEN
7
PEND
8
LEDK
9
Vdd
10
11
VH
12
DI
13
/STB2
14
/STB3
15
Vdd
16
GND
17
GND
18
GND
19
TM
20
/STB1
21
/LAT
22
CLK
23
VH
24
VH
25
MOLEX 52045-2545
VP
R1 R2
10K 10K
JW1
1
APH2
2
AEN2
3
APH1
4
AEN1
5
6
R5
WH-xxx
1% 1K
R3 R4 R6
C4
C5 22K 22K 1% 1.4K
470pF 470pF
3 4
5
IC1
1 22
GAA+ O.A+
2 21
PH.A VMA
3 20
EN.A O.A-
4 19
PH.B GAA-
5 18
EN.B NFA
6 17
GND GND
7 16
CARA NFB
8 15
CBRB GAB-
9 14
VREF O.B-
10 13
VCC VMB
11 12
GAB+ O.B+
TA84002F
C3 C2 C1
1000pF 10u/10V 0.1u
R7 R8
1.5 1% 1W 1.5 1% 1W
5
6 7
CN2
RPHA
1
RPH/A
2
RPH/B
3
RPHB
4
5
CUTS
6
PLATEN
7
PEND
8
LEDK
9
Vdd
10
11
VH
12
TO PRINTER
DI
13
/STB2
14
/STB3
15
Vdd
16
GND
17
GND
18
GND
19
TM
20
/STB1
21
/LAT
22
CLK
23
VH
24
VH
25
MOLEX 52045-2545
CN3
APHB
1
APH/B
2
APH/A
3
APHA
4
B4B-PH-K-S
VP
C6
100u/50V
Uniwell Corporation
PRT101-A
Title
Drawened By: GW.Lai Date:
Page
Approves By: Anthony Liu
Revision:
6 7
PRINT INDEX
PRINT INDEX
8
LX / EX Series
H
G
F
E
D
C
B
20-JULY-2004
A
1 of 1
1.10
8