DOWNLOAD Sharp ER-A770 (serv.man4) Service Manual ↓ Size: 17.65 MB | Pages: 94 in PDF or view online for FREE

Model
ER-A770 (serv.man4)
Pages
94
Size
17.65 MB
Type
PDF
Document
Service Manual
Brand
Device
EPOS / ERA770 V2 (With Circuit Descriptins)Service Manuals
File
er-a770-sm4.pdf
Date
PREV: Sharp ER-A770 (serv.man3) Handy Guide

Sharp ER-A770 (serv.man4) Service Manual ▷ View online

8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
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CONNECTOR
STH2
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40
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CN6
A
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 CN
2
3
4
5
6
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10
11
12
13
14
15
16
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01
41
02
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03
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06
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07
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48
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10
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11
51
12
52
13
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15
55
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56
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59
20
60
21
61
22
62
23
63
24
64
25
65
26
66
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31
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32
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35
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8
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6
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1
2
3
4
5
6
7
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1
2
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7
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10
11
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13
14
15
16
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1
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4
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5
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6
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7
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8
P1
  
9
P2
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R
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IR
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36
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37
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KR2
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RESET
41
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OSC1
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GND
44
CL
1
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CL
2
46
TEST
47
G0
48
G1
49
G2
50
G3
51
G 4
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G 5
5 3
G 6
5 4
G 7
5 5
G 8
5 6
G 9
5 7
G 1 0
5 8
G 1 1
5 9
P O 0
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P O 2
6 2
P O 3
6 3
S A
6 4
IC
8
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VCC
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G1
G2
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H
E
N
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2
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z
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8
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z
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p
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p
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1
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14
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P
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6
0.
1u
C1
1
10
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ST2
ST3
1
2
3
4
5
6
7
8
9
10
11
CON3
-2
9V
G3
G2
G1
G0
ID
DP
POPUP CON2
NOT USED BY
 ER-
A
770
VFD P
O
W
E
R SUPPLY
VF2R
COM/AP
SF
SG
SE
SD
G6
G5
G4
SC
SB
SA
VF1R
VF2
VF1
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9V
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0
R3
4
0
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 U
S
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D
.
VF1
VF2
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9V
1
2
3
4
5
6
7
8
9
CON5
BZ1
BUZ
VCC
C1
2
10
u/1
6
V
C1
10
u/1
0
V 
OS
1/2
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
2/2
KEY I/F
1
2
3
4
5
6
7
8
9
10
11
12
CON6
/S
9
1
2
3
4
5
6
7
8
9
10
11
12
13
CON1
/KS0
/KS1
D1
D2
D3
/S
0
/S
1
/S
0
/S
1
ST
0
ST
1
A
  
1
B
  
2
C
  
3
G1
  
6
G2A
  
4
G2B
  
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
 9
Y7
 7
IC
1
74L
S138
ST
0
ST
1
ST
2
ST
3
VCC
ST
2
ST
3
A
  
1
B
  
2
C
  
3
G1
  
6
G2A
  
4
G2B
  
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
 9
Y7
 7
IC
2
74L
S138
/S
2
/S
3
/S
4
/S
5
/S
6
/S
7
/S
8
/S
9
/S
1
0
/S
1
1
/S
2
/S
3
/S
4
/S
5
/S
6
/S
7
/S
8
/S
9
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1
0
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1
1
/S
1
2
/KS2
/KS3
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/KS6
/KS7
/KS8
/KS9
/KS10
/KS11
/KS12
D11
D4
D5
D6
D7
D8
D9
D10
D12
D13
1
2
3
4
5
6
7
8
CON7
/X
6
/X
7
/S
8
 2
  
3
1
IC
3
A
74L
S125
 5
  
6
4
IC
3
B
74L
S125
FB
10
BLM31
FB
11
BLM31
VCC
/X
5
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7
 9
  
8
1
0
IC
3
C
74L
S125
FB
12
BLM31
/C
FS
R
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0
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1
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2
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3
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4
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5
D19
X 20
D14
D15
D20
D21
D22
D23
1SS
353
/C
6
/S
2
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3
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4
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5
/S
6
/S
7
/S
8
/S
1
2
x1
2
VCC
R1
47K
R2
R4
R3
R5
R6
R8
R7
R9
R10
/K
R
0
A
/K
R
1
A
/K
R
2
A
/K
R
3
A
/K
R
0
B
/K
R
1
B
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R
2
B
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R
3
B
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R
0
C
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R
0
A
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R
1
A
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R
2
A
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R
3
A
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R
0
B
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R
1
B
/K
R
2
B
/K
R
3
B
/K
R
0
C
1
2
3
4
5
6
7
8
9
10
11
12
CON2
/K
R
3
A
/K
R
3
B
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R
3
C
/K
R
2
A
/K
R
2
B
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R
2
C
R25
R21
R17
47K
R26
R18
R22
47K
VCC
x3
x3
1C0
  
6
1C1
  
5
1C2
  
4
1C3
  
3
2C0
 10
2C1
 11
2C2
 12
2C3
 13
A
 14
B
  
2
1G
  
1
2G
 15
1Y
 7
2Y
 9
IC
5
74HC153
/K
R
2
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4
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6
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5
 2
  
3
1
IC
6
A
74L
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12
 11
1
3
IC
3
D
74L
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FB
14
BLM31
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2
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3
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4
 5
  
6
4
IC
6
B
74L
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FB
13
BLM31
FB
15
BLM31
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R
0
VCC
x3
1C0
  
6
1C1
  
5
1C2
  
4
1C3
  
3
2C0
 10
2C1
 11
2C2
 12
2C3
 13
A
 14
B
  
2
1G
  
1
2G
 15
1Y
 7
2Y
 9
IC
4
74HC153
/K
R
0
A
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R
0
B
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R
0
C
R23
R19
R15
47K
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R
1
C
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R
2
C
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R
3
C
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R
1
C
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R
2
C
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R
3
C
R12
R11
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R
1
A
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R
1
B
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R
1
C
KEX
0
KEX
1
KEX
0
KEX
1
R24
R20
R16
47K
R13
4.
7K
x3
R14
4.
7K
/KR1
VCC
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1
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3
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2
 9
  
8
1
0
IC
6
C
74L
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FB
16
BLM31
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0
12
 11
1
3
IC
6
D
74L
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FB
17
BLM31
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FS
R
D24
1SS
353
R28
4.
7K
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FS
R
2-5
C
2-5
C
2-5
B
2-5
B
2-1
B
2-1
B
2-1
B
2-1
B
2-5
C
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
3. INVERTOR PWB
1
2
3
4
CO
N3
ML
X
 53015-
0410
T1
RTRN
H6896
R
C
ZZ
C1
18pF/
3
KV
1
2
3
4
CO
N5
NO
T USE
D
2
1
CO
N4
EH S2B
2
1
CO
N6
EH S2B
PGN
D
  
1
ICCFL
  
2
DIO
  
3
VC
  
4
AGN
D
  
5
NC
  
7
NC
  
8
SHD
N
  
6
NC
 9
NC
10
REF
11
VIN
12
VSW
16
BULB
15
BAT
14
RO
YER
13
IC1
LT1184CS
R6
3.
3K
R2
220K
C3
1000pF
C2
2.
2uF
16V
R5
8.
2KG
10
6
51
4
3
2
R4
750
C4
2.
2uF/16V
F1
ICP 0.5A
C5
0.
022uF
100V
F1
125V/
630mA
NO
T USE
D
Q1
C5001
L1
100uH
Q2
C5001
D1
SFPB54
D2
SFPB54
R3
100K
R1
4.
7K
C6
1uF
16V
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CO
N1
ML
X
 53048-
1510
1
2
3
4
5
6
7
8
9
10
11
12
CO
N2
ML
X
5
2044-124
5
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