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Casio CE-250 Service Manual
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— 3 —
3
.
BLOCK DIAGRAM
3-1
.
PCB CONNECTION
Mode SW
E266-E3-1
CN4
24P
24P
Main Display
(SH101MA)
E248-E2-1
12
P
10P
Pop up Display
(SH1019A)
E248-E2-2
Fuse
Transformer
TE248-E1D
3P
CN8
CN1(4P)
CN9
CN5
CN10
2P
20P
3P
CN2
CN11
25P
7P
Mangan Battery
(UM-3 X 3 )
Winder
Motor
Printer
(M-190G)
Drawer
E248-1
FPC
4
6
Table of Contents
Service Manual
2
Default Chapter
2
Table of Contents
2
1 Specifications
3
2 Initialize (Mac) Operation
4
3 Block Diagram
5
Pcb Connection
5
Block Diagram
6
4 Disassembly
7
5 Circuit Explanation
9
Power Supply Circuit
9
CPU (Upd78052Gc-159-3B9)
10
Display Controller (Upd16312Gb-3B4)
12
Initilize IC (Reset Circuit)
13
Power down Detection Circuit (PWD)
13
Address Latch Circuit
13
RAM / ROM Bank Selection Circuit
14
Head Drive Circuit for Printer
15
Power Supply Circuit for Display
16
6 Diagnostic Operation
17
To Start the Diagnostic Program
17
Check Item
17
Operation of each Test
17
To Exit the Diagnostic Test
22
7 Error Code List
23
Operation Error Code
23
System Lock Code
24
8 IC Data
25
9 Pcb Layout
28
10 Circuit Diagram
29
Model : Pcr-365A
44
11 Parts List
44
Exploded View
45
Main PCB Block E248-1 Ass'y
47
Button Block
48
Customer Display Block E248-E2-2
48
Main Display Block E248-E2-1
48
Power Supply Block
49
Lower Case Block
50
Others
50
Printer Block
50
Upper Case Block
50
Cash Drawer (DL-1324)
51
Printer (M-190G)
53
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Casio CE-250 Specifications
General
Brand
Casio
Model
CE-250
Category
Cash Register
Language
English
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