15
SCD-C222ES
SECTION 5
TEST MODE
Test Mode Command List
The contents of test mode are as follows.
Note:
Wrong operation in the test mode causes a trouble, thus requiring extreme care.
LINE command (1X): Use mainly for a manufacturing line.
No.
Name
Description
Remarks
05
DSP MON1
XUGF, XPCK, C2PO outputted from IC509 (CD DSP)
Not used for the servicing
06
DSP MON2
MNT0, MNT1, MNT2, MNT3 outputted from IC509 (CD DSP)
Not used for the servicing
07
DSP MON3
RFCK, XPCK, XROF, GTOP outputted from IC509 (CD DSP)
Electrical measurement,
CD CLV jitter measurement
STANDARD command (1X): Use when the servo is applied by manual operation.
No.
Name
Description
Remarks
12
LD ON/OFF
The laser diode is turned on or off
On or off are switched alternately
13
SPIN ON/OFF
The spindle motor is rotated with the regulated voltage
On or off are switched alternately
14
FSRV ON/OFF
The focus servo is turned on or off
On or off are switched alternately
15
TSRV ON/OFF
The tracking servo is turned on or off
On or off are switched alternately
16
CLV ON/OFF
The spindle SLV servo is turned on or off
On or off are switched alternately
Focus and tracking servos must be already turned on
17
SSRV ON/OFF
The sled servo is turned on or off
On or off are switched alternately
Focus, tracking and spindle servos must be already turned on
18
ALL SRV ON
All servos are turned on
19
ALL SRV OFF
All servos are turned off
Stop command in the test mode
This set automatically executes self-diagnosis and various checks
by entering the test mode.
Note:
This set automatically makes various adjustments according to the
type of disc, thereby not requiring adjustment of the set when parts
were replaced. However, be sure to execute 5-1. IC AND FLUO-
RESCENT DISPLAY TUBE CHECK, 5-2. AUTO CHECK and 5-
8. WAVEFORMS CHECK.
Disc for Test Mode
Various checks of this set require the following discs.
Model
Type
*
1
Category
Application
MODEL
SATD-S5
12 cm disc
Adjusted value check,
(J-2501-215-A) SL
Reference disc
Operation check,
SATD-S4
Optical waveform check
(J-2501-184-A)
Not specified
DL
12 cm disc
Operation check
PATD-012
Adjusted value check,
(4-225-203-01)
CD
12 cm disc
Operation check,
YEDS-18
Reference disc
Optical waveform check
(3-702-101-01)
Not specified
HYBRID 12 cm disc
Operation check
*1 SL: Single Layer
DL: Dual Layer
Setting Method of Test Mode
Turn the
[POWER]
switch on while pressing the
[ AMS ]
dial and the
[MENU]
button. Release the
[MENU]
button and the
[ AMS ]
dial in this order when “Test Mode Menu” is
displayed on the fluorescent indicator tube. (If the
[ AMS ]
dial is released first, the test mode becomes active but “Test Mode
Menu” is not displayed)
[ OPEN/CLOSE]
Key in the Test Mode.
The
[ OPEN/CLOSE]
key is disabled immediately after setting
the test mode. Be sure to turn the
[ AMS ]
dial to select 59
Table Init and push
[ AMS ]
once. When initialization of the
table is completed, the message “INITAIL OK” appears several sec-
onds on the fluorescent indicator tube. After this, the
[ OPEN/
CLOSE]
key is enabled and disc can be inserted and ejected.
When the command 59 Table Init is executed, the same operations
of the POWER ON to the disc chucking in the normal operations
as described below are performed. However, it presumes that the
door and the tray are closed depending on the stop status.
59 Table Init
t
BU DOWN (disc unchucking)
t
Table rotates
(disc search)
t
BU UP (disc chucking) at the disc that is found
first of all.
When there are no discs, BU UP is executed at the DISC1 posi-
tion.
Releasing Method of Test Mode
To release the test mode, turn the
[POWER]
switch off.
Selection/Entry of Test Mode
To select and enter the “Test Mode Menu”, operate as follows.
1. Rotate the
[ AMS ]
dial to select the menu, and press
the
[ AMS ]
dial to enter.
2. The test is switched on or off alternately each time the
[ AMS ]
dial is pressed.
3. To return to the previous step, rotate the
[ AMS ]
dial
to select the desired item, and press the
[ AMS ]
dial
to enter.
l
L
l
L
l
L
l
L
l
L
l
L
l
L
l
L
l
L
l
L
A
A
A
