Electrical Circuitry Operating Principles; Hardware Configuration - Epson TM-U950 Technical Manual

CONFIDENTIAL

Electrical Circuitry Operating Principles

Hardware Configuration

The electrical circuitry of the TM-U950 is divided into the main PCB and the switch PCB unit.
These connections are shown in Figs. 2-40, 2-41, and 2-42.
The main board, switch board, and MICR board (on printers with an MICR reader) contain the
following electrical circuits.
Rev. A
MICR board (for printers with an MICR reader) (not available for the TM-U950P)
Figure 2-40. TM-U950 Component Connection Chart
Switch circuit
board unit
Figure 2-40a. TM-U950P Component Connection Chart
Host I/F
CNIF1
Circuit Board Unit
CN8
CN3
Printer mechanism
Mechanism Configuration and Operating Principles 2-25
TM-U950/U950P Technical Manual
DKD PS-150
CN5 CN6
CN4 CN1
Power
switch