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7
CHRISTIE DIGITAL SYSTEMS P35GPS Projector
March, 2004
7-1
7. TROUBLESHOOTING PROCEDURES
Only technicians who are familiar with the installation and
adjustment procedures described in previous sections of this manual
should attempt to troubleshoot or repair a problem.
This section provides information for diagnosing and troubleshooting operational problems
with the P35GPS projector. While it is impossible to foresee all problems that might occur,
the procedures outlined in this section should assist in identifying the problem.
Checklists and troubleshooting tables are provided for the following areas:
• Motor
• Ultramittent Assembly
• Constant Speed Sprocket Assembly
• Belts
• Changeover Assembly
• Shutter Drive (Shutter Driver and Jack-shaft Assemblies)
• Trap and Gate Assembly
• Lens Turret.
For each of these areas, one or more symptoms are described. When more than one
possibility for a symptom exists, it is generally more efficient to check causes in the order in
which they are listed.
Where applicable, references to the appropriate section of this manual are provided to aid in
repair, replacement, and testing.
7.1. MOTOR
7.1.1. SYMPTOM: MOTOR NOT WORKING
1. Check power to motor. Verify that projector is plugged in, and that manual switch is set
to ON.
2. Check start capacitor.
3. Check for motor overheating/thermal shutdown. If motor is hot, wait until it has cooled
off before attempting to restart.