Read Sharp AR-235 (serv.man5) Service Manual online
AR-235/275 CIRCUIT DIAGRAM - 32
100nsec
100nsec
BD PWB
APC PWB
2
3
1
1
2
1
2
1
2
1
2
34
98
1
2
1
2
1
2
1
2
3
1
2
3
1
2
1
2
1
2
1
2
1
3
2
1
3
2
12
RS
1
AGND
2
RB
3
VB
4
Vref
5
VR
6
CH
7
/SH
12
AVcc
8
/DATA
13
1RM
10
2RM
9
/ENB
11
DATA
14
PD
16
DGND
17
LD
18
DGND
15
RO
19
DVcc
20
.
1
.
1
56
11
10
13
12
GND1
1
/SYNC1
2
+5V1
3
+5V
4
/SYNCout
5
/VIDEO
6
/SAMP
7
APCSTT
8
GND
9
SELCT
10
1
2
7
5
6
3
+5V1
1
/SYNC1
2
GND1
3
1
2
R21
360
R11
NC
R2
62
LD1
RLD78NP
PD
LD
C111
0.1uF
C1
A22uF/25V
+
R120
100
R19
10k
R9
10k
R10
10k
C108
1000pF
C113 1uF
R12
1M
C110
0.1uF
R22
10k
C105
1000pF
R18
100
IC2B
74ACT04F
IC2D
74ACT04F
R17
100
C104
0.1uF
R16
100
R3
10K
R5
10K
C102
1000pF
D1
PD481PI
R8
1k
R23
100k
Q2
2SA1576A
Q1
2SC4081
C115
0.1uF
R7
100
R4
100
R6
100
C114
0.1uF
VR2
15K
VR1
5K
IC2A
74ACT04F
R15
100
C5
33pF
R1
22
C109
0.1uF
C107
0.1uF
IC1
SN65ALS544
TP5
LD
TP6
PD
C103
0.1uF
IC2C
74ACT04F
IC2E
74ACT04F
IC2F
74ACT04F
FC1
C112
0.1uF
CN2
B10-PH
IC3A
TC7W66F
IC3B
TC7W66F
R13
750
R14
1K
TP1
RS
TP2
NC(Ro)
CN1
S3-PH
C106
0.1uF
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
6. LSU PWB
1/1
Click on the first or last page to see other AR-235 (serv.man5) service manuals if exist.