C
HAPTER
3. M
AINTENANCE
P
ROCEDURES
3-31
02.9628.0010 CONFIDENTIAL
7-Oct-97
3.2.2.12 Improper Tilt Response
Step 1. At yoke termination board, ensure proper connection.
a. 5-pin connector from TILT header marked YTB-P3.
b. 4-pin connector from TILT header marked YTB-P4.
Step 2. Replace UCB. Refer to Low Voltage Supply and Universal
Control PCB Removal and Replacement paragraph.
Step 3. Replace LVS. Refer to Low Voltage Supply and Universal
Control PCB Removal and Replacement paragraph.
Step 4. Replace tilt mechanism. Refer to Tilt Mechanism Removal and
Replacement paragraph.
Step 5. Replace yoke cables. Refer to Yoke Cables and Lamp Wire
Removal and Replacement paragraph.
3.2.2.13 Improper Pan Response
Step 1. At motherboard, check MTA connection.
Step 2. Replace UCB. Refer to Low Voltage Supply and Universal
Control PCB Removal and Replacement paragraph.
Step 3. Replace LVS. Refer to Low Voltage Supply and Universal
Control PCB Removal and Replacement paragraph.
Step 4. Access pan drive assembly. Refer to Pan Drive Assembly
Removal and Replacement paragraph.
a. Check pan mechanism MTA connector. Ensure good
connection.
b. Ensure that belt is not damaged or loose.
c. Ensure that driven pulley is not worn or damaged.
d. Replace pan drive assembly as needed.
Step 5. Replace pan drive assembly
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