Specifications

2.6 CODE #28 — LENS HOME POSITION ERROR
- Definition -
The lens home position sensor remains off (LOW) 3.5 seconds after the lens
moves to the home position.
- Possible Causes -
• Lens home position sensor short
• Lens drive motor defect
• Main board defect
- Action -
Turn the main switch off and on.
Check the sensor actuator position on the lens assembly.
Home Not Home
Does the lens motor rotate when the main switch is turned on?
No Yes
Check the drive mechanism and repair or replace the defective
parts.
Check the voltage at CN102-1 and 6 on the main board.
24V 0V
Replace the main board.
Check the voltage at CN102-2 to 5 on the main board with the main
switch on.
17V 24V
Replace the main board.
Replace the lens motor.
1 December 1990
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