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Service Manual for
DT-800
(PX-696)
DT-860IOE
(PX-952)
Date: April 1997
DT-800
DT-860 I/O Box


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CONTENTS
DT-800 (PX-696)
Page
1.
Specification
1
2.
Option
4
3.
Main frame configuration
6
4.
Memory map
8
5.
Battery change
13
6.
Disassembly and Assembly
14
7.
Diagnostic program
18
8.
Circuit diagram
72
9.
Parts list
89
DT-860IOE satellite (PX-952)
Page
1.
Each part name and a work
96
2.
Specification
97
3.
Disassembly and Assembly
98
4.
Working flow
100
5.
Circuit diagram
102
6.
Parts list
113


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Page 1
1. Specification
1-1. Hardware
Category
item
Specifications
CPU
32 bit RISC
Action clock
HITACHI SH7020
4.9152/2.4576/1.2288Mhz
Memory
RAM
FROM (OS)
FROM (Drive)
2 MB
512 KB
M50E: 0 MB / M60E: 4 MB / M70E: 8 MB
Display
Mode
Number of Pixel
Dot pitch
Display mode
Duty
Bias
Back light
Automatic contrast
Conditioning
Font size
BCR reading confirmation
LED
F-STN LCD
160 X 160 dots
0.3 X 0.3 mm
Half transmission type monochrome
1/160
1/8
exist
32 phases conditioning by temperature
12/16/24 dots FONT
2 colors
Scanner
Mode
Readable bar code width
The degree of depth
Resolution
Scanning method
Scanning number of times
Luminescence wave length
Optical output
Reading PCS
Red semiconductor laser
65 ~ 250 mm
0 ~ approx. 380 mm (Resolution = 1.0 mm)
minimum 0.125mm
Both ways oscillation type mirror
100 times / sec
670nm
Under 1 mW
Over 0.45
Read angle
40 degree
Key
Key board
Touch panel
Number / the control / trigger multifunction
key 160 X 160 dots
analog method
Communication
(start stop
synchronous mode)
Beam
RS-232C
IrDA 1.0 Conformance [2400~115200bps,
Half duplex (SD/RD)]
In Casio local mode: 230Kbps
10Pin
1200~115200bps, Full duplex,
(SD/RD/ER/DR/RS/CS/CD/CI/GND/FG)
Radio
SS Radio
Model separateness
Buzzer
Off / Small / Large


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Page 2
Category
item
Specifications
Power supply
Main battery
Sub battery
Feed terminal
Charge terminal
Back up
AA size alkaline dry cells X 2
Battery life: Approximately 80 hours
(using a new set of batteries at Normal
temperature)
lithium ion battery pack X 1
Battery life: Approximately 80 hours
(using a new set of batteries at Normal
temperature)
CR 2032 X 1
Battery life: Approximately two months
(when only the backup
Battery is supplying backup power).
exist
exist
more than 2 month (limited RAM and calendar) by
sub battery
Figure
Weight
Outline dimension
Approximately 310 g
Approximately 220.8 X 55 (81) X 29.5 mm
Environmental
condition
Operating environment
Storage environment
Water protect
Shock
-5 to 50 C degrees
-10 to 50 C degrees
Conforms to IPX2
1.0 m fall
220.8 mm
81mm
29.5 mm
55 mm
Hand grip


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Page 3
1-2. System configuration
(1) PC communication
(2) LAN Connection
S-IO Box
=Satellite IO Box
M-IOBox
=Master IO Box
M/S IOBox =Master or Satellite IO Box
I/O Box Maximum Connection Q'ty
SCSI = 7 PCs
RS-422 = 8 pcs
Total: 56 pcs
IrDA 1.0
)))))))))))))))
((((((((((((((((
With IrDA Adapter
RS-232C
PX696
S-IOBox
S-IOBox
PX696
S-IOBox
RS422
RS422
RS422
10Pin(RS-232C)
PC
M-IOBox
SCSI
PX696
S-IOBox
RS422
PX696
S-IOBox
RS422
RS422
PC
PC
PX696
PC
PC
PX696
M-IOBox
PX696
S-IOBox
RS422
LAN 10BASE-T