Aiwa AZG-5, Руководство по обслуживанию

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7. Checking the OWH and Each Detection Switch
To check the operations of the OWH and each detection switch, follow the procedure given below.
Insert an MO (PIT) disk and confirm that SLEEP lights.
When the CD
™
MD button is pressed with the disk inserted, the OWH moves down. When the FUNCTION button is pressed, the
OWH moves up.
*
Do not move down the OWH with the PIT disk inserted because the unit may be damaged.
* Do not insert the disk while the PIT disk is down because the OWH may be damaged.
* While the OWH is moving down, the lid of the MD is locked.
CD
™
MD button ........................................ OWH DOWN
FUNCTION button .................................... OWH UP
8. Turning On/Off Each Switch and Checking the Display
The state of each switch can be checked on the display.
Note:
“Switch ON” means that the switch is being pressed.
9. Checking the Servo Operation
9-1. Checking the Focus Search and Spindle
Kick (checking the S-curve)
1) When the MD button of the remote control is
pressed in the “SV OFF” state, the focus search
and spindle kick are performed at the same time.
Then “FCS CHK” is displayed.
These operations are repeated regardless of
whether a disk is installed. Therefore, the S-curve
can be checked with the disk installed.
2) After checking, press the STOP button to return the
display to “SV OFF”.
9-2. Checking the Focus Servo
1) Insert a disk.
2) Press the MD MODE button and set the servo mode using the inserted disk as shown below.
• MO disk ..................................... “SEL GRV” appears and “TIME MARK” lights.
• PIT disk ...................................... “SEL PIT” appears and “AUTO MARK” lights.
3) Move the pickup to the center of the disk using the B.SKIP button and the SKIP button.
4) Press the PLAY button.
If the focus servo is normal, “FCS Srch” appears and “FCS ON!” appears.
5) After checking, press the STOP button to return the display to “SV OFF”.
*
If the lens fails to focus, the focus search is repeated.
Display Function Lit Off
1
T-BASS Laser power Displayed using the three-step level meter (READ-1/2-WRITE)
2
AUTO MARK Disk mode PIT DISC (PIT)
3
TIME MARK Disk mode MO DISC (GROOVE)
4 ROCK Write-protection detection switch REC OK REC protection
5
POP Reflection ratio detection result High reflection ratio (PIT DISC) Low reflection ratio
(MO DISC)
6
JAZZ INSIDE LIMIT switch Switch ON (innermost circumference) Switch OFF
7 MONO OWH DOWN detection Switch ON (OWH DOWN) Switch OFF
8
STEREO OWH UP detection Switch ON (OWH UP) Switch OFF
9
SLEEP Disk detection Disk No disk
0
TIMER Lid open/close detection OPEN CLOSE
Fig-3 Indication on the display and its function
T- BASS BBE
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
RANDOM 1 PRGMAI EDIT
RDS AG EON RT
MONO
MD REC
TAPE REC
QSURROUND
TIME MARK
AUTO MARK
ROCK POP JAZZ
MD
CD
REC
SLEEP
0
9
2
3
8 7 6 5
4
1