Film Feed Drive Motor - Sharp SX 1075 Service Maintenance Manual

FILM FEED DRIVE MOTOR

WARNING
Always remove electrical power from the
SX prior to performing any maintenance
on the machine.
TESTING
1. The wire for the film feed motor has a quick
disconnect plug about 5 inches from the motor.
Ensure the plug is completely inserted into the
receptacle.
2. Using a Digital Volt/Ohm Meter (DVOM), first
check continuity on the motor at the film feed
stepper drive. Use the following step to do this.
a. Remove the four screws shown in Figure
3-181 to remove front load plate.
Figure 3-181. Load Plate Screws
b. Locate the film feed stepper drive (Figure
3-182)
SX™
Service and Maintenance Manual
SECTION 3 – COMPONENT REPAIR
FILM FEED ASSEMBLY
c. On the right-rear corner of the drive are the
3-72
Film Feed
Stepper Drive
Figure 3-182. Film Feed Drive Location
motor cable terminals.
between terminals 1 and 2, 1 and 3, and 2
and 3. Also check continuity between
terminals 4 and 5, 4 and 6, and 5 and 6
(refer to Figure 3-183
identification). If all six tests for continuity
pass, the motor is not faulty and other
troubleshooting techniques need to be
followed. (Refer to Pressure Jaw and Film
Feed Motor Controllers on Page 3-1 for
information on how to check the stepper
drive).
6 5 4 3 2 1
Motor Cable
Terminals
Figure 3-183. TM4500 Configuration
Check continuity
for terminal
960714-02B © 2007 I2407