Sharp XL-3000 Service Manual page 19

8. Electric CD lid Aging Test Mode (TEST 8) (Only for model with electric CD lid)
Outline
OPEN/CLOSE operations of electric CD lid are repeated. The number of repeated times and time period are monitored. If the
lid does not move to the regular position after the specified time, operation is stopped. When an error is detected by [CLID_PRO]
during CLOSE, operation is also stopped.
a. POWER ON for function AUX
CD lid position is checked.
CLOSE position: Operation proceeds to the next process.
Position other than CLOSE: After the lid moves to CLOSE, operation proceeds to the next process.
b. CD lid operation started
OPEN operation
WAIT 1 second
CLOSE operation
WAIT 1 second
c. Operations above are repeated.
Specified monitoring time
OPEN operation: 5 seconds
CLOSE operation: 5 seconds
d. Display
OPEN>CLOSE is counted as 1. I to 59999 are counted; if the count is over
59999, display is returned to 0 to repeat counting.
Display when the lid does not move to the regular position after the specified
time
(Ex: Defective operation occurring in the middle of 1538.)
Highlight display of stop when an error is detected by [CLID-PRO]
(Ex: Defective operation occurring in the middle of 1538.)
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XL-3000/3000C