SCD-C222ES - Sony Audio Service Manual (repair manual). Page 24

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24
SCD-C222ES
5-5. CDM59 AND THE DOOR CHECK
Measurement of table rotation hours, tray open/close hours and
panel door open close hours can be executed together with CDM59.
Procedure
1. Set the test mode. Turn the 
[         AMS         ]
 dial and select
59 Table Init. Press 
[        AMS        ]
 once (that enables the
[    OPEN/CLOSE]
 key.)
2. When the message INITIAL OK appears, press the 
[    OPEN/
CLOSE]
 key to eject the tray. Place a disc in the DISC1 of the
table. (Be sure to place a disc in DISC1. If a disc is placed in
any locations other than DISC1, the correct measurement can-
not be executed. Therefore, be sure to place a disc in DISC by
using the 
[DISC SKIP]
 key.)
3. Select 58 CDM Check by turning 
[        AMS        ]
 and press
[        AMS        ]
 once.
4. Measurement starts automatically.
5. When the measurement is completed, the message DOOR OP
ss.s (s is a decimal number) appears on the fluorescent
indicator tube.
6. Result of measurement can be check by turning 
[        AMS        ]
.
If any measurement item does not meet specification, a mes-
sage “ng” is displayed next to the measurement value.
7. When you want to repeat the test, press 
[        AMS        ]
 again.
8. Press the 
[    OPEN/CLOSE]
 key to terminate the test and re-
move the disc.
* 1.The measurement can be performed without placing a disc.
However, the BU chucking time and unchucking time will
be slightly different from the actual values.
* 2.When the machine enters this mode once, it cannot return
to the normal test mode. If any other tests are desired, turn
off the main power once and then back on again to enter
the test mode.
Measurement items and specifications
l
L
l
L
l
L
l
L
Measurement item
Description
Specifications (unit: second)
RL
Time required for the table to make one complete rotation.
6.0 to 7.5
(R: Clockwise rotation. L: Counter-clockwise rotation)
CLOSE
Time required to close the tray.
<3.7
BU UP
Time required for the BU block to perform chucking from the DOWN position
<1.4
EXOPEN
The XCHANGE OPEN time
<2.6
EXCLOSE
The EXCHANGE CLOSE time
<3.8
BU DOWN
Time required for the BU block to perform unchucking and going to the DOWN
<2.7
position
OPEN
Time required to open the tray
<3.2
l
L
l
L
A
A
A
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