DOWNLOAD Sharp ER-A470 (serv.man2) Service Manual ↓ Size: 929.75 KB | Pages: 57 in PDF or view online for FREE

Model
ER-A470 (serv.man2)
Pages
57
Size
929.75 KB
Type
PDF
Document
Service Manual
Brand
Device
ECR / ERA460 470 Service Manual
File
er-a470-sm2.pdf
Date
PREV: Sharp ER-A470 Service Manual

Sharp ER-A470 (serv.man2) Service Manual ▷ View online

2. Main PWB layout
– 48 –
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
D21(P23B)
D23(P25B)
D24(P26B)
D25(P27B)
D22(P24B)
51
52
53
54
55
76
77
78
79
80
VF2
-
-
D15(P17B)
D14(P16B)
1
2
3
4
5
26
27
28
29
30
VF1
VF1
VF1
VF1
-
G4(4GA)
G3(3GA)
G2(2GA)
G1(1GA)
D
G
11
(1
2G
B)
DISPLAY TUBE
-32V
ZD1
MTZJ39C
VCKDC
C8
10u
/10V
G10
G9
G8
G7
G6
G5
VF1R
VF1R
VF1
VF1
R15
3.3
VF2
VF2
-32V
R16
3.
3
VF2R
VF2R
SA
PG7
PG6
PG5
2K x6
R9
R14
RA2
100 x7
PG4
PG3
6
7
8
9
10
11
12
13
14
15
16
17
18
19
31
32
33
34
35
36
37
38
39
40
41
42
43
44
-
NC
D33(P35B)
D34(P36B)
SA
(P
1
A
)
SB
(P
2
A
)
SF(P3A)
SG(P4A)
SC(P5A)
SE
(P
6
A
)
SD(P7A)
DP(P8A)
ID(P9A)
NC
D
G
10(
11G
B
)
DG9(10GB)
DG8(9GB)
DG7(8GB)
DG6(7GB)
DG5(6GB)
DG4(5GB)
DG3(4GB)
DG2(3GB)
DG1(2GB)
DG0(1GB)
VF2
56
57
58
59
60
61
62
63
64
65
66
67
68
69
81
82
83
84
85
86
87
88
89
90
91
92
93
94
-
-
D13(P15B)
D12(P14B)
D11(P13B)
D10(P12B)
D9(P11B)
D8(P10B)
D7(P9B)
D6(P8B)
D5(P7B)
D4(P6B)
D3(P5B)
D2(P4B)
D1(P3B)
D0(P2B)
D26(P28B)
D27(P29B)
D28(P30B)
D29(P31B)
D30(P32B)
D31(P33B)
D32(P34B)
NC
-
-
VF1
VF1
VF1
VF1
70
71
72
73
74
75
D35(P1B)
D16(P18B)
D17(P19B)
D18(P20B)
D19(P21B)
D20(P22B)
20
21
22
23
24
25
45
46
47
48
49
50
G
1
0(
10G
A)
G9(9GA)
G8(8GA)
G7(7GA)
G6(6GA)
G5(5GA)
VF2
VF2
VF2
VF2
VF2
VF2
X1
32
.7
68K
H
Z
  1
  3
2
X2
R22
1M
C14
15p
C15
15p
VCKDC
PG2
PG1
G4
G3
G2
G1
2K x4
R18
R19
R20
R17
RA3
100K x4
1
SB
SC
SD
SE
SF
SG
RA1
100K x8
.
  1
.
  2
.
  3
.
  4
.
  5
.
  6
.
  7
.
  8
.
  9
.
 10
.
 11
.
 12
.
 13
.
 14
.
 15
.
 16
.
 17
.
 18
.
 19
.
2 0
.
2 1
.
2 2
.
2 3
D D I G
2 4
.
2 5
V C C
2 6
.
2 7
.
2 8
.
2 9
S D I S P
3 0
.
3 1
.
3 2
SRES
33
DS0
34
.
35
.
36
.
37
.
38
.
39
.
40
RESET
41
OSC2
42
OSC1
43
GND
44
CL1
45
CL2
46
TEST
47
.
48
.
49
.
50
.
51
.
5
2
.
5
3
.
5
4
.
5
5
.
5
6
.
5
7
.
5
8
.
6
4
.
6
3
.
6
2
.
6
1
.
6
0
.
5
9
IC1
CKDC4
100K
/M
O
D
R
/C
F
S
R
KEX0
KEX1
/MO
R
D
/C
F
S
R
KEX0
KEX1
C1
470p
C2
1000p
ST0
ST1
DP
ID
R
2
47K
R
1
47K
R3
4.7K
R4
4.7K
1234
5
CA1
470p
R21
220
CK
DC
R
CKDCR
C13
0.1uF
+5V
DG11
DG10
+5V
1
  1
2
  2
3
  3
4
  4
5
  5
6
  6
7
  7
8
  8
9
  9
10
 10
11
 11
12
 12
13 RESET
 13
14 CS
 14
15
 S
C
K
 15
16 SDATA
 16
17 P1
 17
18 P0
 18
19 VCC1
 19
20 XOUT
 20
21 XIN
 21
22 VSS
 22
23
 23
24
 24
25
 25
26
 26
27
 27
28
 28
29
 29
30
 30
31
 31
32 VP
 32
64
64
63
63
62
62
61
61
VCC2 60
60
59
59
58
58
57
57
56
56
55
55
54
54
53
53
52
52
51
51
50
50
49
49
48
48
47
47
46
46
45
45
44
44
43
43
42
42
41
41
40
40
39
39
38
38
37
37
36
36
35
35
34
34
33
33
IC2
M66004FP
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
/RESETS
DG9
DG8
DG7
DG6
DG5
DG4
DG3
DG2
DG1
DG0
/KR0
/KR2
/KR3
/KR1
/KRQ
/SHEN
DSO
/KR0
/KR1
/KR2
/KR3
/KRQ
/SHEN
R8
33
C11
470p
C12
470p
C0
470p
C16
470p
C17
470p
C18
470p
C19
1000p
/STOP
/POFF
ST2
ST3
ST3
ST2
/POFF
/STOP
D1
SB
140
VCKDC
+5V
C3
0.1u
C4
0.1u
C5
10u
/10V
C6
0.1u
STH
HTS
/SCK
/SCK
HTS
STH
1
GND
CN6(DS~MAIN)
C7
10u
/16V
/DCS
/DSCK
11
KEX1
VF1R
CN3(KEY)
CN1(POP UP)
R5
3
3
R6
33
R7
33
C9
470p
/RESETS
C10
2200p
C20
10u
10V
D35
D34
D33
D32
D31
D30
D29
D28
C21
0.1uF
R
0
27KG
C23
100p
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
-32V
D27
C22
0.1uF
+5V
R24
2.2K
Q1
C3198
D2
1SS133
BUZZ
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
1
2
3
KEX0
CK
DC
R
GND
P-ON
V0
GND
PG7
PG6
PG5
PG4
PG3
PG2
PG1
DP
ID
SG
CN4(KEY)
CN2(POP UP)
/KR0
/KR1
/KR2
/KR3
2
3
4
5
6
7
1
2
3
+5V
STH
HTS
/SCK
/KRQ
/SHEN
/STOP
/POFF
GND
CN7(DS~MAIN)
4
5
6
7
8
9
10
11
12
VCKDC
-32V
VF1
VF2
GND
P-ON
V0
/RESET
GND
2
3
4
5
6
7
8
9
4
5
6
7
8
9
10
GND
+5V
/MO
D
R
/C
F
S
R
ST0
ST1
ST2
ST3
SF
SE
SD
SC
SB
SA
VF2R
R23
12K
+5V
~
BZ
(D
IS
PL
AY
-6
9
)
(DI
SPLAY-
68)
(D
IS
PL
AY
-6
7
)
(D
IS
PL
AY
-6
6
)
(D
IS
PL
AY
-6
5
)
(DI
SPLAY-
64)
(D
IS
PL
AY
-6
3
)
(D
IS
PL
AY
-6
2
)
(D
IS
PL
AY
-6
1
)
(D
IS
PL
AY
-6
0
)
(D
IS
PL
AY
-5
9
)
(DI
SPLAY-
58)
(D
IS
PL
AY
-5
7
)
(D
IS
PL
AY
-5
6
)
(D
IS
PL
AY
-5
5
)
(D
IS
PL
AY
-5
4
)
(D
IS
PL
AY
-7
1
)
(D
IS
PL
AY
-7
2
)
(D
IS
PL
AY
-7
3
)
(D
IS
PL
AY
-7
4
)
(D
IS
PL
AY
-7
5
)
(DI
SPLAY-
76)
(D
IS
PL
AY
-7
7
)
(D
IS
PL
AY
-7
8
)
(D
IS
PL
AY
-7
9
)
(DI
SPLAY-
80)
(D
IS
PL
AY
-8
1
)
(D
IS
PL
AY
-3
0
)
(D
IS
PL
AY
-3
1
)
(DI
SPLAY-
32)
(D
IS
PL
AY
-3
3
)
(D
IS
PL
AY
-3
4
)
(DI
SPLAY-
35)
(D
IS
PL
AY
-3
6
)
(DI
SPLAY-
37)
(D
IS
PL
AY
-3
8
)
(D
IS
PL
AY
-3
9
)
(D
IS
PL
AY
-4
0
)
(DI
SPLAY-
41)
(C
N3-
7)
(C
N
3
-6
)
(C
N
3
-5
)
(C
N
3
-4
)
(C
N3-
3)
(C
N
6
-6
)
(C
N
6
-7
)
(4-
B)
(D
IS
PL
AY
-7
0
)
(D
IS
P
L
AY-
9
)
(D
IS
P
L
AY-
8
)
(D
ISPL
AY-8
7)
(D
IS
PL
AY
-8
6
)
(D
IS
PL
AY
-8
5
)
(D
ISPL
AY-8
4)
(D
IS
PL
AY
-8
3
)
(D
IS
PL
AY
-8
2
)
(3-
B)
(D
IS
PL
AY
-2
6
)
(D
IS
PL
AY
-2
7
)
(D
IS
PL
AY
-2
8
)
(D
IS
PL
AY
-2
9
)
(C
N
1
-5
)
(C
N
1
-6
)
(C
N1-
7)
(C
N
1
-8
)
(C
N1-
2)
(C
N
1
-3
)
(C
N
1
-4
)
(D
IS
PL
AY
-2
0
)
(D
IS
PL
AY
-2
1
)
(D
IS
PL
AY
-2
2
)
(D
IS
PL
AY
-2
3
)
(D
IS
PL
AY
-2
4
)
(D
IS
PL
AY
-2
5
)
(C
N
2
-9
)
(C
N
2
-1
0
)
(C
N
1
-1
)
(C
N
7
-6
)
(C
N
7
-7
)
(C
N
2
-8
)
(C
N
2
-7
)
(C
N
2
-6
)
(C
N
2
-5
)
(C
N2-
4)
(C
N
2
-3
)
(C
N
4
-6
)
(D
IS
PL
AY
-1
7
)
(D
IS
PL
AY
-1
8
)
(C
N
4
-7
)
(C
N
4
-8
)
(C
N4-
9)
(C
N7-
2)
(C
N
7
-1
)
(C
N6-
5)
(C
N
6
-4
)
(C
N
6
-3
)
(C
N4-
4)
(C
N4-
5)
(C
N
3
-2
)
(C
N
3
-1
)
3.
 D
isp
la
y 
PWB
 c
irc
ui
t 
dia
gr
am
– 49 –
4.
 D
is
pla
y P
W
B
 l
ayo
ut
5. P
O
P
-up 
d
ispl
ay 
P
W
B
 c
ir
c
u
it
 d
iagr
a
m
6.
 PO
P
-up
 di
spla
y P
W
B 
layo
ut
VF
2R
1
VF
2R
2
3
SA
4
SB
5
SC
6
SD
7
SE
8
SF
9
SG
10
ID
1
1
DP
1
2
13
14
15
16
17
18
19
20
PG
1
2
1
PG
2
2
2
PG
3
2
3
PG
4
2
4
PG
5
2
5
PG
6
2
6
PG
7
2
7
28
VF
R
1
2
9
VF
R
1
3
0
VF
2R
10
SA
9
8
SC
7
SD
6
SE
5
SF
4
SG
3
ID
2
DP
1
PG1
8
PG2
7
PG
3
6
PG
4
5
PG
5
4
3
PG
7
2
VF
R
1
1
SB
PG
6
CN2
CN1
Di
s
p
la
y
 t
u
b
e
– 50 –
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
C51
0.1u
C52
0.1u
C54
10u
1
2
3
4
+5V
CN1
5
IRTX
IRDA
ASK
GND
+5V
ASK
R67
3.3K
C50
0.1u
R70
11
  5
  6
7
8
4
IC1B
GL393
C49
20P
R65
62K
R69
100
Q1
1
2
6
R57
39K
R68
100
R59
6.2K
R61
10K
R56
10K
PD1
PD401I
UMAXQ501
3
4
5
C46
100P
R58
36K
R60
4.3K
C47
1000P
R62
10K
R66
33K
R63
39K
C48
2200P
R64
820
R67
3.3K
R71
15(1/2W)
LED1
SIR320ST3N
IRTX
Q2
C4405
1
2
3
LED2
SIR320ST3N
R72
1K
3
4
5
R54
33K
R55
22K
Q2
1
2
6
R51
100K
C44
0.01u
R53
56K
  3
  2
1
8
4
IC1A
GL393
C61
20P
IRDA/REMOCON
R52
1.8K
UMAXQ501
C45
0.1u
(C
N
1
-2
)
96
00
~
5
6
.7
K
B
P
S
(C
N1-
5)
(C
N
1
-3
)
2400
~
115.2
KBPS
In
fra
-r
e
d
 D
a
ta
 A
s
s
o
c
ia
ti
o
n
7
. IR
 PWB
 un
it 
c
ir
c
ui
t di
a
g
ra
m
– 51 –
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