
MDS-NT1
SECTION 1
SERVICING NOTES
NOTES ON HANDLING THE OPTICAL
The laser diode in the optical
During repair, pay attention to electrostatic
The flexible board is easily damaged and should be handled with care.
NOTES ON LASER DIODE EMISSION CHECK
Never look into the laser diode emission from right above when checking it for adjustment. It is feared that you will lose your sight.
NOTES ON REPLACING BD BOARD OR MD MECHANISM DECK
In replacing the BD board or MD mechanism deck, perform the work through the steps provided below:
1.Remove the IC195 from the BD board to be replaced.
2.Remove the IC195 from new BD board.
3.Mount the IC195 on new BD board, which was removed from the BD board to be replaced.
4.Install new BD board in the set.
Note: The IC195 cannot be replaced with a new part. If IC195 is faulty, replace the entire BD board.
– BD BOARD (Conductor Side) –
CLEANING OBJECTIVE LENS OF OPTICAL | IC195 |
•In cleaning the objective lens of optical
1.In cleaning the lens, do not apply an excessive force.
As the optical
2.In cleaning, do not use a cleaner other than exclusive cleaning liquid
3.Wipe the objective lens spirally from center toward outside. (See Figure A)
(Figure A)
4.Eject the disc, if loaded.
5.Disconnect the power cord from the socket to shut off the power supply.
OPERATION CHECK IN NORMAL MODE
The set alone is capable of performing the play function only. In checking the recording and other functions, connect the set to the PC with a USB cable and perform the operation on the application software “OpenMG Jukebox” attached.
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