7.7.1. ENGINE MOTOR DRIVE CIRCUIT
7.7.1.1. TIMING CHART
7.7. STEPPING MOTOR DRIVE SECTION
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 (IC605) pins 83, 84, 85 and 86. Then stepping pulses are output from driver IC (IC609) pin
No 2, 7, 8 and 13, and drives the motor coil.
During motor driving, pin 90 of G/A IC605 becomes a low level.
As a result, a current of about 1A are supplied to the motor coil.
DRIVE MODE
FUNCTION MODE PHASE PATTERN SPEED CURRENT
PRINT - 2 phase 951pps 1A
166
KX-FL612CX / KX-FL612CX-S
To Next Page
Loading...
