DOWNLOAD Sharp AM-400 (serv.man4) Service Manual ↓ Size: 3.05 MB | Pages: 23 in PDF or view online for FREE

Model
AM-400 (serv.man4)
Pages
23
Size
3.05 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Chapter 6 (Circuit Schematics and Parts Layout).
File
am-400-sm4.pdf
Date
PREV: Sharp AM-400 (serv.man3) Service Manual

Sharp AM-400 (serv.man4) Service Manual ▷ View online

AM-400DE
6 – 21
3. High Voltage PWB parts layout (Bottom side)
The HIGH VOLTAGE PWB of the model employs lead-free solder.
CAUTION - HIGH VOLTAGE
The unit's back cover should never be opened by anyone other than
a qualified serviceperson. There are many high voltage parts inside
the unit, and touching them is dangerous.
C32
R41
R42
R81
R103
R80
R79 R78
D41
D42
Q31
Q32
Q33
Q34
Q36
Q37
Q35
R102
R36
R37
R38
R39
R40
R71
R72
R73
R74
R60
R43
R75
R61
R58
R50
R48
R54
R52
R55
C62
C51
Q58
Q57
C61
R51
R53
R56
R98
R94
R59
R65
R44
R8
R3
R3
R7
R10
R11
C4
R13
R14
R9
C2
R66
R14
R17
R63
R2
R4
R3
R19
R101
R6
R5
C53
C54
C66
C55
C52
C8
IC1
R70
R69
R66
R64
R62
R91
R92
R49
R47
R99
R57
R18
R100
Q51
Q1
CN1
R76
R46
R77
R83
R85
R86
R84
R87
R88 R89 R90
R34
R32 R31
R33 R35
Note: Since the parts of this PWB cannot be supplied, change it as a unit.
D59
D57 D56 D55
AM-400DE
6 – 22
[5] Operation Panel PWB circuit
1. Operation Panel PWB circuit
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
6
6
5
5
4
4
3
3
2
2
1
1
LEDON
DG
DG
DG
DG
+3.3V
DG
+3.3V
+3.3V
+3.3V
/SEN3
/SEN2
E1
R/W
E
DG
LD3 LD2 LD1
RS
DG
V0
/STRB1
/STRB2
/STRB3
/STRB4
/STRB5
/STRB6
/STRB7
DG
/SEN2
/SEN1
/SEN0
/STRB0
/STRB2
/STRB3
/STRB5
/STRB7
/STRB1
R/W
E1
LD0
LEDON
/SEN1
LD0
LD1
LD2
LD3
RS
/STRB0
/STRB4
/SEN3
/STRB6
/SEN0
E
V0
CNLCD1-5
CNLCD1-6
CNLCD1-3
(CNLCD1-2)
CNLCD1-1
CNPN1-11
CNPN1-9
CNPN1-7
CNPN1-5
CNPN1-20
(CNPN1-16)
CNPN1-3
CNPN1-1
CNPN1-2
CNPN1-4
CNPN1-6
CNPN1-8
CNPN1-10
CNPN1-12
(CNPN1-15)
CNPN1-13
CNLCD1-6
CNLCD1-11
CNLCD1-12
CNLCD1-13
CNLCD1-14
CNLCD1-4
+
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
DG
1
+3.3V
2
VO
3
RS
4
R/W
5
E
6
N.C.
7
N.C.
8
N.C.
9
N.C.
10
LD0
11
LD1
12
LD2
13
LD3
14
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
/STRB0
3
DG
13
/SEN0
11
/SEN1
9
/SEN2
7
/SEN3
5
+3.3V
14
/STRB3
4
/STRB4
6
/STRB7
12
/STRB6
10
/STRB5
8
LEDON
15
/STRB1
1
/STRB2
2
E
16
CNPN1
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
Operation
Panel
PWB
Circuit
Note:
Since
the
parts
of
PWB
cannot
be
supplied,
change
it
as
a
unit.
22
CE1
CNLCD1
LCD
14PIN
CNPN1
9615S-16A-PP-A
150
R4
LED1 GL3HD8
JP
6.2K
22000PF/50V
N.M.
SW27 K0005
SW9 K0005
SW17 K0005
SW14 K0005
SW24 K0005
SW3 K0005
SW30 K0005
SW8 K0005
C2
SW28 K0005
SW21 K0005
SW5 K0005
SW18 K0005
SW10 K0005
SW15 K0005
R3
R2
200
SW4 K0005
SW25 K0005
SW22 K0005
R1
SW19 K0005
SW1 K0005
SW16 K0005
SW6 K0005
SW11 K0005
SW29 K0005
SW26 K0005
SW13 K0005
C1
SW23 K0005
SW2 K0005
SW20 K0005
SW7
K0005
SW12 K0005
D7
1N4148CD
D8
1N4148CD
D2
1N4148CD
D6
1N4148CD
D1
1N4148CD
D3
1N4148CD
D4
1N4148CD
D5
1N4148CD
AM-400DE
6 – 23
2. Operation Panel PWB parts layout
Note: Since the parts of PWB cannot be supplied, change it as a unit.
The OPERATION PANEL PWB
of the model employs
lead-free solder.
AM-400DE
6 – 23
2. Operation Panel PWB parts layout
Note: Since the parts of PWB cannot be supplied, change it as a unit.
The OPERATION PANEL PWB
of the model employs
lead-free solder.
Page of 23
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