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P35GPS Dual Lens Turret Projector
CHRISTIE DIGITAL SYSTEMS P35GPS Projector 7-2
March, 2004
7.2. ULTRAMITTENT ASSEMBLY
7.2.1. SYMPTOM: EXCESSIVE TICKING
Excessive ticking is indicative of a worn star or cam. Replace Ultramittent assembly (see
Section 5.4.6).
7.2.2. SYMPTOM: EXCESSIVE FILM NOISE
1. Check for improper gate tension. Use adjustment knob at top of gate assembly to correct
gate tension.
2. Check for improper shoe closure or alignment.
3. If excessive film noise continues, problem may be caused by worn Ultramittent sprocket.
Replace Ultramittent assembly (see Section 5.4.6).
7.2.3. SYMPTOM: FILM INSTABILITY (JUMP)
1. Verify image alignment by running RP-40 loop and making adjustments as necessary
(see Section 6.7).
2. Check for worn Ultramittent sprocket. There should be no sprocket movement when
manual turndown knob (item 13 in Figure 4-1 on page 4-3) is turned with Ultramittent in
rest position.
7.2.4. SYMPTOM: SHUTTER STREAKING
Time shutter (see Section 6.5).
7.3. CONSTANT-SPEED SPROCKET ASSEMBLY
The following paragraphs pertain to all three (upper, center, and lower) constant-speed
sprocket assemblies.
7.3.1. SYMPTOM: E
XCESSIVE N OISE
1. Check for play in shaft or bearings. Adjust or replace as indicated.
2. Check for improperly aligned keeper or stripper. Realign as needed.
3. Check for loose pulley or sprocket. Tighten as needed.
7.3.2. SYMPTOM: FILM SPROCKET H OLE DAMAGE
Check for hooked or damaged sprocket. Replace as needed.
7.3.3. SYMPTOM: SPROCKET RIDING
1. Check alignment of pad roller. Adjust as needed.