0 main pcb board – AMT Datasouth 5106 User Manual
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12.0 MAIN PCB BOARD
Check
Terminal
Typ.
Voltage
Usage and
Adjusted By
Vcc
+ 5.0
For logic circuit
No adjustment volume
V-
- 12.0
For RS-232 interface
No adjustment volume
V+
+ 12.5
For RS-232 interface
No adjustment volume
V
TH
+ 24.0
For Thermal Head, DC motor and ribbon
solenoid
RV1 on switching power supply unit
(PTR637-30)
V
SP
+ 36.0
For Stepping Motor
RV1 on switching power supply unit
(PTR637-30)
NOTE:
Check the voltage of V
SP
and V
T H
before you adjust the voltages by RV1. RV1 adjusts
both voltages simultaneously.
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