MD-MT270H
– 7 –
Entering the TEST mode
1. Setting at port (power nonconnected state)
(1) Set the port as follows.
TEST1 : "Low" (TP416)
TEST0 : "High"
(2) Turn the Power ON.
(3) Test Mode START [ T E S T _ ]
2. Setting by special button operation (in standby state)
(1) Press the VOL.+ button and PLAY button. Continue to hold down the PLAY button to release the VOL.+ button and press the VOL.–
button.
(2) Normal mode setting initialization (BASS setting, VOL setting, etc.)
*Since the unit is changed to the setting for production line inspection , be sure to set it to the default setting state in the following default
setting procedure before returning it to the user.
(3) Test Mode START [ T E S T _ ]
(4) When the VOL.+ button is pressed, indication of microcomputer version for one second [ X 2 8 A d X ]
(5) When the VOL.– button is pressed, whole LCD lighting for 2 seconds
1
High reflection disc
MMD-110 (TEAC Test MD)
88GMMD-110
2
Low reflection disc
MMD-212 (TEAC Test MD) 74-minute disc
88GMMD-212
3
Low reflection disc
MMD-213A (TEAC Test MD) 80-minute disc
88GMMD-213A
4
Low reflection disc
Recording minidisc
UDSKM0001AFZZ
ADJUSTMENT
Test disc
MD adjustment needs two types of disc, namely recording disc (low reflection disc) and playback-only disc (high
reflection disc).
Type
Test disc
Parts No.
Note: Use the low reflection disc on which music has been recorded.
Test Mode
1. AUTO 1 Mode
• Perform preliminary automatic adjustment.
• If the combination of mechanism and pickup
PWB has been changed, be sure to start from
AUTO1.
2. AUTO 2 Mode
• Perform ATT (attenuator) automatic adjustment.
• Perform continuous playback (error rate display,
jump test)
3. TEST-PLAY Mode
• Continuous playback from the specified address
is performed.
• 1 line, 10 lines or 100 steps manual jump is
performed.
• C1 error rate display (pit section), ADIP error
rate display (groove section)
• The temperature correction is performed only when
servo start is performed, but the posture correction
is not performed during continuous playback.
4. TEST-REC Mode
• Continuous record from the specified address
is performed.
• Change of record laser output(servo gain is also
changed according to laser output).
• The temperature correction is performed only
when servo start is performed, but the posture
correction is not performed during continuous
recording.
5. MANUAL 1 Mode
• Temperature is displayed. (Updating in real time)
• Seeing the displayed adjustment value, perform
preliminary manual adjustment.
(Error rate indication, jump test)
6. MANUAL 2 Mode
• Temperature is displayed. (Updating in real time)
• Seeing the displayed adjustment value perform
manfully the preliminary adjustment.
(Error rate indication, jump test)
• Continuous playback is performed
(Error rate display, jump test).
7. RESULT 1 Mode
• The value adjusted in AUTO1 or MANUAL1 is
indicated.
• (Execution in servo "OFF" state").
8. RESULT 2 Mode
• The value adjusted in AUTO 2 or MANUAL 2 is
indicated.
• Adjustment value is changed manually.
(Error rate display, jump test).
9. DIGITAL INPUT Mode
• Digital input information is displayed.
10. ERROR INFORMATION • Error information is displayed.
Mode
• Error information is initialized
11. NORMAL Mode
• The mode is changed from the TEST mode to
the normal mode without adjustment.
• In the normal mode the internal operation mode,
memory capacity, etc. areindicated.
• In the normal mode both temperature correction
and posture correction are perfomed.
12. EEPROM Mode
• Factors of digital servo are changed manually.
(Each servo is turned on individually.)
• Cut-off frequency of BASS1, BASS2 and BASS3
is selected manually.
• Temperature detection terminal voltage is
measured, and the reference value is set.
• Defaults are selected and set.
• Setting of EEPROM protect area is updated.
(In case of protect releasing)
13.AUTO J Mode
•
AUTO 1/2, focus balance adjustment, TEST-
PLAY (ADIP/C1 error check), EEPROM are
updated sequentially.
EEPROM version
Destination
Microcomputer version
Leaving the TEST mode
(1) Press the STOP button in the TEST mode stop state.
Shipping setting method
Holding down simultaneously the VOLUME – Button and PLAY
Button of the set unit without disc, supply the power from the DC IN plug.
After the indication "INIT" -> "BYE OK" disappears, release the power supply of DC IN.
Содержание MD-MT270HS/BK
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