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PCR-T290L
Casio PCR-T290L User Manual
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— 3 —
DISASSEMBL
Y
3.
M
a
k
e
s
u
r
e
t
o
u
s
e
t
h
e
c
o
r
r
e
c
t
s
c
r
e
w
s
w
h
e
n
assembling
since
there
are
several
kinds
of
them.
It
is
recommended
to
sort
them
as
shown
in
the
right
illustration when disassembling.
See the owchart below for the order of disassembling the major components.
A.UPPER CASE
B.MODE-KEY
-S
W-
ASSY
C.PCB-ASSY (E276-1 PCB, E276-PR PCB)
E.PRINTER UNIT
D.DISPL
AY
-ASSY
F.
KE
Y-
BOARD-ASSY
4
6
Table of Contents
Table of Contents
2
Caution
2
Specifications
3
Environmental Specifications
3
Electrical Specifications
3
Main Components
3
Replacing the Back2Up Memory Battery
4
Machine Initialization
4
Disassembly
5
Upper Case
6
Mode Key Sw Assy
7
PCB Assy
7
Display Assy
8
Printer Unit
9
Key Board Assy
9
Exiting the Diagnostic Program
10
Launching the Diagnostic Program
10
Diagnostic Program
10
Diagnostic Operation
10
Check Item
11
About Batch Test
11
About Memory Test
11
Entering the Command
11
Status Display
12
Mode Switch Status
12
Battery Level
12
Printer Head / Paper Status
12
Batch Test
13
Ram Write/Read Test
14
Ram Read Only Test
15
Flash Rom Clear Test
15
Flash Rom Write/Read Test
16
Flash Rom Clear & Write/Read Test
16
Internal Rom Check Sum Test
17
Rac Clear Test
17
Rac Write/Read Test
18
Rac Read Only Test
19
Rac Clear & Write/Read Test
20
7-Segment Display Test
21
Character Print Test
22
Graphic Pattern Print Test
23
Graphic Pattern 1, P2:Graphic Pattern 2
23
Number of Times to Run
23
Dot Rate Print Test
25
Print Evaluation Test
26
Date/Time Setting Check
27
Date/Time Setting Change
28
Drawer Open Test
29
Buzzer Test
29
Key Test
30
In Case of Power Failure
31
If the Following Things Happen
31
Troubleshooting
31
When the L Sign Appears on the Display
32
Block Diagram
33
Circuit Explanation
33
Lsi Diagram
34
E276-1 Pcb
35
E276-Pr Pcb
35
Pcb Layout
35
E276-E2 PCB (Main Display)
36
E276-E22 PCB (Rear Display)
36
Circuit Diagrams
37
Parts List
42
Exploded View
43
Drawer S Type
47
Drawer M Type
49
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Casio PCR-T290L Specifications
General
Brand
Casio
Model
PCR-T290L
Category
Cash Register
Language
English
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