background image
Service Manual for
DT-700
(PX-790)
DT-760 I/O Box
(PX-905)
Date: July 1995
DT-710
(PX-797)
Date: February 1997
DT-700
DT-710
DT-760
INDEX


background image
CONTENTS
DT-700 (PX-790) / DT-710 (PX-797)
Page
1.
Specification
1
2.
Option
2
3.
Mac operation
5
4.
Main components
5
5.
Block diagram
6
6.
Disassembly/Assembly
10
7.
Diagnostic program
15
8.
Error code
16
9.
IC data
18
10. Circuit diagram
20
11. Parts list
30
DT-760 I/O Box (PX-905)
Page
1.
Each part name and a work
34
2.
Specification
35
3.
A method of connection
36
4.
Circuit diagram
37
5.
Parts list
38
Software
Page
OS Dump
41


background image
Page 1
1. Specification
CPU
32 bit RISC CPU
RAM
512K byte / 1M byte
Display Type:
FSTN semi-transparent LCD
Resolution:
96 X 48 dots
Font sizes / screen:
6 dots mode: ANK:
6 X 7 dots
16 Columns X 4 Lines
Normal:
6 X 12 dots
16 Columns X 8 Lines
Double:
12 X 12 dots 8 Columns X 4 Lines
8 dots mode: ANK:
8 X 8 dots
12 Columns X 6 Lines
Normal:
8 X 16 dots
12 Columns X 3 Lines
Double:
16 X 16 dots 6 Columns X 3 Lines
Indication character type:
ANK, Kanji character, JIS first & second standard,
129 of Optional character
Back light:
LED
Contrast:
16 phases by Electronic volume
Scanner
System:
Semiconductor laser
Wavelength:
Approx. 670 nm
light output:
J.I.S. Class 2 laser
Scanning Speed:
100 scan/sec.
Resolution:
0.15 mm (Min.)
Readable PCS:
More than 0.45
(more than 51% of reflection rate for space & margin)
Readable range:
0 to 380mm(as of 1.0 mm of the resolution ability)
Readable bar code width:
Direct contact:
65mm (max)
From 380 mm:
250 mm (max)
Activity luminance:
3,000 Lux ~ 8,000 Lux
Readable code:
WPC, NW7, CODE39, ITF, CODE93, CODE128, MSI
Confirmation:
One 2-color LED
Number of keys
DT700 (Ten)
DT710(Full)
Input key:
11
18
Control key:
6 (Included readable Trigger & power Key)
Function key:
8 (F1~F8)
External Interface
Type:
Serial
(14-3 pin cable:
FP-120, FA-50)
14-14 pin cable:
DT-700
14-9 pin cable:
DT-9000
Speed:
150 k bps (Between H/Ts units) 1200 bps to 190.2 Kbps


background image
Page 2
Optical Interface
Type:
Infrared
Casio original protocol
Speed:
1,200 bps to 19.2 k bps (maximum)
Main power supply
Two AA-size alkaline batteries
Memory backup
One CR2032 battery
Low power warning
Separate warnings for main and back up power supplies.
Low power function
Resume sleep mode
Operating duration
Approximately 100 hours of intermittent operation
Dimensions
Approximately 174(L) X 58.8(W) X 25.4(H) mm
Weight
Approximately 190 g
Environmental data
Drop durability:
1 m
Operating temperature:
-5
to
50
Centigrade
temperature
Water standard:
Conforms with IPXII
Soft ware
Basic data collection
Casio data entry tool (for parameter setting
by editor
Copiler
SHC (Hitachi)
M. T. B. F.
Stroke key:
over 300,000 times
14 pin connector:
over 5,000 times
Battery cover:
over 5,000 times
Scanner:
over 5,000 hours
Model
M20E
512 KB
M30E
1.0 MB
2. Option
1) Cable
DT-782/783RSC
DT-782RSC (Cross cable )
(14 pin)
(25 pin male)
Signal
Pin
Pin Signal
FG
1
1
FG
SD
3
2
SD
RD
5
3
RD
RS
7
4
RS
CS
9
5
CS
CD
13
8
CD
ER
8
20
ER
DR
11
6
DR
SG
14
7
SG
FG
case
1
FG
DT-783RSC (Cross cable )
(14 pin)
(25 pin female)
Signal
Pin
Pin
Signal
FG
1
1
FG
SD
3
2
SD
RD
5
3
RD
RS
7
4
RS
CS
9
5
CS
CD
13
8
CD
ER
8
20
ER
DR
11
6
DR
SG
14
7
SG
FG
case
1
FG


background image
Page 3
DT-786RSC(Bt DT-700 & DT-700)
DT-787AX(Cross)
DT-788RSC(6-6pin Modular cable)
LVC-71
Level converter straight cable (14 pin - 25 pin Male)
LVC-72
Level converter cross cable (14 pin -25 pin Female)
Carrying Case
DT-70CASE-01
(14 pin)
(14 pin)
Signal
Pin
Pin
Signal
CMOS SD
55
CMOS SD
CMOS RD
10
10
CMOS RD
CMOS RS
44
CMOS RS
CMOS CS
88
CMOS CS
CMOS CD
99
CMOS CD
CMOS ER
33
CMOS ER
CMOS DR
77
CMOS DR
GND
6
6
GND
GND
11
11
GND
GND
14
14
GND
FG
shield
shield
FG
(14 pin)
(9 pin female)
Signal
Pin
Pin
Signal
FG
1
case
FG
SD
3
3
SD
RD
5
2
RD
RS
7
7
RS
CS
9
8
CS
CD
13
1
CD
ER
8
4
ER
DR
11
6
DR
SG
14
5
GND
FG
case
case
FG
Signal
Pin
Pin
Signal
T RUE(INVERT )
33
T RUE(INVERT )
INVERT (T RUE)
44
INVERT (T RUE)