Aiwa XR-MS5 K Service Manual page 48

4. TRAY (Loading Mechanism) Test Mode
When the TUNER/BAND key is pressed while all indicators light in the CD test mode, the display as shown appears.
Pressing the TUNER/BAND key again returns to the CD test mode.
4-1. TRAY Test Mode Operations and Displays
Pressing the FF key rotates the motor (F display) in the loading direction.
Pressing the REW key rotates the motor (R display) in the unloading direction.
Loading
4-2. Detection Switch Display
When a disc is inserted and the FF/REW key is pressed, ON/OFF operation of the detection switch can be checked.
Switch No. Detection contents
1 DISC IN switch
2 12 cm/8 cm disc is detected
3 (during loading)
4 Loading end switch
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Disc insertion is detected at “L”.
8 cm disc is detected when switch No. 2 is “L” and No. 3 is “H”.
12 cm disc is deteded when switch No. 2, 3 is “L”.
Goes “H” at the chucking completed state.
Detection switch display
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Unloading
Detection method