Intermec EasyCoder PD4 Service Manual

74 Intermec EasyCoder PD4—Service Manual
Chapter 12—Main Board
12.5 Test Points
Signal Location Note
24 VDC CN27 Pin 3 24 VDC Power in
5 VDC U3 Pin 1 5V Regulator output (VCC)
RESET U12 Pin 4 Reset
CPURST U16 Pin 3 CPU reset
WRCASL U3 Pin 31 Column address strobe, low byte
WRCASH U3 Pin 30 Column address strobe, high byte
RAS U3 Pin 14 Row address strobe
RDDW U3 Pin 13 Read/Write
PINT0 U12 Pin 8 LPT port interrupt
BUSY0 U24 Pin 5 LPT port busy
USBFXF U40 Pin 12 USB data in interrupt
PDAT CN5 Pin 19 Printhead serial data
PCLK CN5 Pin 15 Prithead serial clock
PHLTH CN5 Pin 20 Printhead data latch
HCTL U15 Pin 9 Printhead control
STB1 U18 Pin 10 Printhead strobe
BLACK U28 Pin 2 Black mark sensor
SEE U28 Pin 24 See_through sensor
THPM CN5 Pin 9 Printhead temperature sensor
STRIP CN9 Pin 2 Strip sensor
POT_CS U28 Pin 11 Potentiometer chip select
POT_RS U28 Pin 15 Potentiometer reset
POT_CK U28 Pin 14 Potentiometer serial clock
POT_DI U28 Pin 12 Potentiometer serial data in
TXD0 U27 Pin 11 RS-232 Port transmit data
RXD0 U27 Pin 12 RS-232 Port receive data

Intermec EasyCoder PD4 Specifications

General

Brand	Intermec
Model	EasyCoder PD4
Category	Label Maker
Language	English