Aging Mode - Sony CDP-CE275 Service Manual

CDP-CE275/CE375
Ver 1.1 2001.07

AGING MODE

For the aging mode, three modes of all mode, disc table mode, and loading mode are available.
This set has the Aging mode for operation check of the mechanism deck.
• If a failure occurred
The aging operation stops and a faulty status is displayed on the fluorescent indicator tube.
• If no failure occurs
The aging operation continues repeatedly.
Note: Do not use the test disc when performing aging.
Aging will not be performed properly if discs with tracks shorter than 4 seconds are used.
Procedure:
[POWER]
1. Press the button and turn ON the power.
2. Set discs on all trays.
(More than two discs if five are not available)
3. All mode:
[CHECK] [PLAY MODE]
Press the ,
Disc table mode:
[CHECK] [PLAY MODE]
Press the ,
Loading mode:
[CHECK] [PLAY MODE]
Press the ,
4. Aging starts, and the fluorescent indicator tube will display the following.
5. To exit the mode, press the
Code No. Status
0 CLOSE (Tray closed)
1 TOC reading
2 Access to last track
3 Play of last track (3 sec)
4 EX OPEN (Tray opened while chucking)
5 EX SKIP (Disc tray rotated)
6 EX CLOSE (Tray closed)
7 Access to first track
8 Play of first track (3 sec)
9 OPEN (tray opened)
DISC SKIP (Disc tray rotated,
A
and next disc was selected)
The discs are selectie in the order of DISC1
But the order is random in the disc table mode.
MECHANISM DECK CHECK MODE
For the mechanism deck check mode, two modes of disc table mode and loading mode are available.
In the mechanism deck check mode, the disc table turning time and the loading time in each section are measured and displayed.
Procedure:
Disc table mode:
[POWER]
Press the switch while pressing
Loading mode:
[POWER]
Press the switch while pressing
Display contents
Mode Check command
Disc table mode 0: Right one turn
( )
Table turning 1: Left one Turn
time measurement
2: Measurement end
3: Undefined
4: Star position
5: Open
6: Close
Table mode
7: BU up
( )
Loading time
8: EX open
measurement
9: EX close
A: BU down
FF: Measurement end
12
and x buttons at the same time.
[SKIP]
and buttons at the same time.
[EX-CHANGE]
and
[POWER]
button to turn OFF the power.
All mode
DISC2 DISC3
[ OPEN/CLOSE]
,
H A
[ OPEN/CLOSE]
,
H A
Close
BU up
EX open
EX close
BU down
Open
buttons at the same time.
Disc table Loading
mode mode
a a
a a a
a
a
a a
a
a a
a
a
a a
a a
DISC4 DISC5 DISC1
[REPEAT]
and buttons simultaneously.
[TIME]
and buttons simultaneously.
Display
r 12.5
L 10.2
r 12.5
Sta – –.–
CLo 10.2
UP 0.7
EoP 6.2
ECL 10.3
don 1.2
oPn 9.3
CLo 10.2
Display in Display in
Normal operation case of failure
A-0 Err 0
A-1 Err 1
A-2 Err 2
Counter display Err 3
A-4 Err 4
A-5 Err 5
A-6 Err 6
A-7 Err 7
Counter display Err 8
A-9 Err 9
A-A Err A
.... Empty trays are skipped.