Aiwa XR-H220MD Service Manual page 28

Md / cd stereo system
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7. Checking the Operation of Loading Mechanism/OWH
The operations of the loading mechanism and the OWH are checked by the procedure below.
The disc is loaded by inserting the MO (PIT) disc to the slot. Confirm that the EON and the AG lights off and the OWH moves up.
CD ™ MD key..........Loading/OWH DOWN MD EJECT key..........Unloading/OWH UP
*
The status of the loading mechanism and OWH can be checked by FL indication.
Status of each indication
EON is displayed only
Both AG and EON lights off
Both AG and EON lights on
*
The AG indicates the loading SW. The EON and REC SW indicate the status of the REC SW.
Note: The loading cannot be performed by the CD ™ MD key only without a disc. Insert a disc, or push in the PLATE ASSY,
LATCH and turn on the loading switch.
8. Checking the Indication and Turning On/Off of Each Switch
The status of each switch can be confirmed by the indication on the display.
Indication on the display
1
T-BASS
2
AUTO MARK
3
TIME MARD
4
ROCK
5
POP
6
CLASSIC
7
AG
8
EON
Note: The SW ON indicates the status when the switch is pressed.
The loading status is shown by the combination of the AG and EON.
Status of loading mechanism and OWH
Loading/OWH DOWN
Loading/OWH UP
Unloading/OWH UP
Function name
Laser power
Disc mode
Disc mode
Write-protection detection SW
Reflectance detection SW
INSIDE LIMIT SW
LOADING SW
REC SW
42
Light on
Indicated by the level meter of the three steps
(READ-1/2-WRITE)
MO DISC (GROOVE)
PIT DISC (PIT)
REC protection
High reflectance (PIT DISC)
SW ON (innermost track)
SW OFF
SW OFF
Light off
REC OK
Low reflectance (MO DISC)
SW OFF
SW ON
SW ON

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