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1. Test mode of the unit
1-1 Setting of the test mode
While pressing the [STOP] key, plug the AC power cord
into the AC wall outlet.
1-2 Contents of the test mode
1 [DOT TEST]
2 [SEG TEST]
3 [KEY TEST]
4 [CYBER TEST] J type only
Used for production line only
1-3 Function of the test mode
1 [DOT TEST]
The FL display starts the "NIAGARA MODE" by pressing
the [PLAY] key in the [DOT TEST] mode.
2 [SEG TEST]
Turn the FL indication ON by pressing the [PLAY] key in
the [SEG TEST] mode.
The FL indication changes cyclically as shown in the
below by turning the SHUTTLE (4¢).
FL LIGHT ON
FL LIGHT OFF
1-4 Function of the key
1 SHUTTLE (¢) and down (4)keys
: Selects the test mode.
[DOT TEST]
[SEG TEST]
: Selects the FL indication
FL LIGHT ON
FL LIGHT OFF
2 Play key
: Proceeds the test mode or return to test mode.
3 Stop key
: Cancel the test mode.
1-5 Microprocessor reset
The microprocessor can be initialized while pressing the
[EJECT] key, plug the AC power cord into the AC wall
outlet.
2. Mechanism test mode
2-1 Setting the test mode
While pressing the [PLAY] key, plug the AC power cord into
the AC wall outlet
2-2 Canceling the test mode
Unplug the AC power cord.
ADJUSTMENT
ENGLISH
[KEY TEST]
[CYBER TEST]
ENGLISH
1. Test mode of the unit
2-3 Basic operation in test mode
All operations are performed using the SHUTTEL
(up/down), PLAY key and STOP key. The functions of each
key are shown in the table below.
Function
SHUTTEL (up/down) Changes the parameter and mode.
PLAY key
Proceeds for definition.
STOP key
Returns for interrupt.
2-4 Selection of test mode
12 test modes are selected by turning the SHUTTLE.
No.
Display
Description
1 TEMP ADJU
The work of adjustment is unnecessary
in this mode
2 LDPWR ADJU
Laser power adjustment
3 LDPWR CHEC Laser power check
4 EFBAL ADJU
Traverse adjustment
5 FBIAS ADJU
Focus bias adjustment
6 CPLAY MODE
Continuous playback mode
7 CREC MODE
Continuous recording mode
8 STT-LIMIT
Check the mechanism start limit SW position
9 JUMP MODE
Track jump checking mode
10 SRV DATA RE Servo data reading
11 EEP MODE
E2PPROM data reading or rewrite
12 EEP INITIA
E2PROM data initializing
For more information on each adjustment mode, refer to
each section of 3, "Electrical adjustment".
If other adjustment mode has been entered incorrectly,
press the STOP key to exit the mode.
* The number 8 - 12 are not used for service. If these
mode have been entered incorrectly, press the STOP
key immediately to exit the mode. Specially, do not use
EEP INITIAL. (E2PROM data has initialized if used it.)
2-4-1 Operation in continuous playback mode
1. Entering the continuous playback mode
(1) Insert a recordable disc or pre-mastered disc into the
unit.
(2) Turn the SHUTTLE to display "CPLAY MODE".
(3) Press the PLAY key. The display then changes from
"CPLAY MODE" to "CPLAY MID".
(4) After the access operation is completed, the display
changes from "CPLAY MID" to "C=#### a=##".
Note: Numerals on the display appear the error rate and
ADIP error.
2. Change the playback point.
(1) Press the PLAY key during continuous playback. The
display then changes as follows.
MID
OUT
IN
(2) After the access operation is completed, the display
changes "C=####" a=##".
DM-S500
Description
Section
-
3-5
3-5
3-6
3-7
2-4-1
2-4-2
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-
-
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5
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