Epson TM U200D Technical Reference - Page 54
Rev. B, Mechanism Configuration and Operating Principles, TM-U200D/U200PD Technical Manual
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TM-U200D/U200PD Technical Manual Circuit board block diagram The main circuit board unit contains the following electrical circuits: t Power supply circuit t Reset circuit t CPU [internal RAM: 16K bits (2K x 8 bits)] t Memory [EPROM: 512K bit (64K x 8 bits)] t Operation panel control circuit t Drawer kick-out drive circuit t Print head drive circuit t Motor, paper feed drive circuit t DIP switch read circuit t Various detector circuits t Motor, carriage drive circuit The interface circuit board contains the following: t Reset circuit t Host interface circuit Rev. B Mechanism Configuration and Operating Principles
Rev. B
Mechanism Configuration and Operating Principles
TM-U200D/U200PD Technical Manual
Circuit board block diagram
The main circuit board unit contains the following electrical circuits:
Power supply circuit
Reset circuit
CPU [internal RAM: 16K bits (2K x 8 bits)]
Memory [EPROM: 512K bit (64K x 8 bits)]
Operation panel control circuit
Drawer kick-out drive circuit
Print head drive circuit
Motor, paper feed drive circuit
DIP switch read circuit
Various detector circuits
Motor, carriage drive circuit
The interface circuit board contains the following:
Reset circuit
Host interface circuit