Appendix F-4
Overview of Electric Circuits
Rev.B
Confidential
Power circuit
The power circuit generates three voltages (+5 V, +24 V and +3.3 V). Each voltage is supplied to
the circuits listed below:
Power Supply On/Off Control
The figure below shows a block diagram of the power supply and on/off control circuit.
The logic circuit operates according to the specifications listed in the table below.
Table F-2 Output voltages and their applications
Voltage Level
Application
+5 V
• Logic circuit (used mainly for circuits around CPU)
+24 V
• Print mechanism power supply
• Drawer kick power supply
• Interface circuit board unit power supply
+
3.3V
• Logic circuit (used mainly for circuits around memory)
Table F-3 Logic circuit functions
DC IN
Dip switch 1-1
Power Switch
DC Out
IN
ON
OFF
ON
OFF
1 sec ON
ON
OFF
3 sec ON
OFF
Power
supply
AC
DIP SW
Power switch
DC output
Logic circuit
Semiconductor switch
Power off command
TM-L90
Содержание TM-L90 series
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Страница 110: ...Appendix A 10 General Specifications Rev B Confidential ...
Страница 126: ...Appendix D 10 Parts List Rev C Confidential Special Screws Table D 4 Special screws Overview Ref 101 105 148 ...
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