Table of Contents
Advertisement
KX-FLM652CX
7.7.
STEPPING MOTOR DRIVE SECTION
7.7.1.
ENGINE MOTOR DRIVE CIRCUIT
1. Functions
This motor functions for main operations FAX reception and copy printing.
This feed recording paper synchronized for printing.
2. Motor operation
Excitation pulses is output from G/A (IC604) pins 119, 120, 121 and 122. Then stepping pulses are output from driver IC (IC50)
pin No 2, 7, 8 and 13, and drives the motor coil.
During motor driving, pin 123 of G/A IC604 becomes a low level.
As a result, a current of about 1A are supplied to the motor coil.
7.7.1.1.
TIMING CHART
DRIVE MODE
FUNCTION
PRINT
MODE
PHASE PATTERN
-
2 phase
176
SPEED
CURRENT
951pps
1A
Advertisement
Table of Contents
Troubleshooting
