SM-300 Service Manual
4
1.2 Operating Specification
Power Source
:
AC Supply 100V – 120V
AC Supply 200V – 240V
Frequency
:
50 - 60 Hz
Operating Temperature
:
-10 °C to 40 °C (14F to 104F)
Humidity
:
15 % to 85 % RH
Waterproof
:
N.A.
(Please do not splash water on top or around the scale. Clean scale
only with a damp cloth)
1.3 Type of Interface
Standard
:
RS 232C (FL-1, PC connection)
Cash drawer
RS 485 (PC connection) Optional
:
Ethernet (Client / Server, TCP / IP protocol)
* Interface with PC can either use RS 232C, RS 485 or Ethernet.
1.4 Main Components
Main CPU
:
Hitachi HD6413003RF16 (H8 / 3003)
Flash Memory
:
MBM29F160BE-70
SRAM
:
Hyundai HY628400ALLG-55 (Normal pin)
Mitsubishi MEM5408ART-55LL (Reverse pin)
Display Device
:
International D (LCD 5358 SYBYTNZ-T)
Printing Head
:
Kyocera KYT-56-8MPP1-TRS2
(Please clean thermal head regularly to prolong usage life)
DC Stepping Motor
:
MINEBEA STEPPER MOTOR 23LM-C035-K54V
A / D Converter
:
TERAOKA TWB-09000
Power Supply
:
NEMIC Lambda Switching ZD75-0524/1
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