Block Diagram - Intermec EasyCoder PC4 Service Manual

Chapter 7—Main Board

7.5 Block Diagram

POWER BLOCK
24 VDC input
DC to DC Converter
(J1)
24V 5V
JP11, JP12: Headlift switches (l & r)
JP13: Lower label gap & black mark sensor
54
USB PORT
Class B female
(JP6)
CPU
16 bit, 20 MHz
incl. UART & IO
(U1)
CONNECTORS
JP9: Feed switch & LED
JP5: Future options
JP10: Upper label gap sensor
JP8: Label taken sensor
JP7: Ribbon end sensor
JP14: Cutter interface
PARALLEL PORT
Centronics 36pin female
(JP3)
Intermec EasyCoder PC4—Service Manual
RS-232 PORT
DB-9pin female
(JP 4)
MEMORY DECODER (PAL)
(U7)
MEMORY
Flash: RAM:
1024K 2048K
(U2,U3) (U4)
MEMORY CARTRIDGE
1MB Flash
(JP15)
MOTOR BLOCK
Polar stepper motor
(JP1)
External thermistor sensor
(JP2)
PRINTHEAD
8 or 11.81 dots/mm
(CN1,CN2)