Alpine Ai-NET CHA-1214 Service Manual page 25

Compact disc remote changer

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CHA-1204

Resetting the mechanism elevator position

After conducting the works below, be sure to reset the mechanism elevator position with the procedure.

1. When P. C. Board is removed from the mechanism and connected again.

2. When !C502 is replaced.

1. Turn off the power of the CD changer.

(If not, the CD changer may be damaged. )

2. Remove the solder short-circuited to TP2 and short-circuit TP1.

3. Check that the short-circuiting is applied for TP1 only and turn the power on.

4. Check the mechanism position setting operation (the elevator is moving up and down,

and stops at the top again ) is carried out and turn the power off again.

5. Remove the solder short-circuited to TP1 and short-circuit TP2 again.

6. Turn the power on again and check the operation.

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