DM-3090(K) COVER 97.11.29 0:20 AM y[W 35
DM-3090
ADJUSTMENT
M D SECTIO N
1. Preparation for adjustm ent
Test disc
TypeTest disc
1 High reflection disc TG YS1 (SO NY)
2 Low reflection disc Recording m inidisc
3Head Adjusting transparent
2. Test m ode
Test m ode setting m ethod
1. Holding down the ENTER button and (PLAY/PAUSE) button, press the RESET button.
After 3sec, take your hand off the RESET button first.
(State A is changed to state B .)
2. Insert the playback disc 1 (high reflection disc) or recording disc 2 (low reflection disc).
(During disc loading : display LO ADING )(State C is set.)
Thus, the test m ode state is set.
A tsm e: TEST M O D E represents version of M D m icrocom puter.
TESTSTO P state(W hen the (STO P) button is ressed in the C state, the indication A
is restored. To restore C again, press the EN TER button.)
B EJEC T
TEST
C AU TO
TEST
Entering the specific m ode
W henever the ENTER button is pressed, the m ode is changed.
AUTO pre-adjustm entAUTO adjustm entRESULT SUBRESULT
EEPRO M settingM ANUAL adjustm entM ANUAL pre-adjustm ent
Y Canceling the test m ode
W hen the PO W ER button is pressed, the test m ode is canceled, and the PO W ER O FF state is set.
Y Test M ode
1. AUTO pre-adjustm ent m odeY Autom atic pre-adjustm ent is perform ed. (After adjustm ent the grating adjustm ent m ode is set.)
Y The adjustm ent value is output with the aid of system controller interface.
2. AUTO adjustm ent m odeY Autom atic adjustm ent is perform ed.
Y The adjustm ent value is output with the aid of system controller interface.
Y Continuous playback is perform ed. (Error rate indication, jum p test)
3. RESULT sub-m odeY The m easurem ent value, set value and calculated value are indicated.
Y The set value is changed m anually (in servo O FF state).
4. RESULT m ode (final adjustm ent)Y The set value (after calculation) is indicated.
Y The set value is changed m anually (in servo O FF state).
5. M ANUAL pre-adjustm ent m odeY RF side m anual adjustm ent is perform ed.
Y Focus and tracking signal ATT m anual adjustm ent is perform ed.
Y Focus and tracking signal offset setting is perform ed.
6. M ANUAL adjustm ent m odeY Focus and tracking signal ATT m anual adjustm ent is perform ed.
7. EEPRO M setting m odeY This m ode does not use on the occasion of service.
8. TEST-PLAY m odeY Continuous playback from the specified address is perform ed.
Y C1 error rate m easurem ent, ADIP error rate m easurem ent.
9. TEST-REC m odeY Continuous recording from the specified address is perform ed.
Y Change of record laser output (servo gain is also changed according to laser output)
10. EJECT m odeY TEM P setting (of EEPRO M setting)
Y CO NTRO L setting (of EEPRO M setting)
Y Setting of laser power (record/playback power)
24 |