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Clear and complete service manual. Easy now to restore my old Kenwood KD-1500.
Thanks a lot.
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Thanks for this "hard to find" service manual. This Sony PS212A is a very good turntable that needed to be restored !
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Excellent quality on these manuals. Same as having the original printed manual and incredibly useful when doing a custom install like me. Keep it up on the good work.
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This is an excellent information source. Great quality and tons of info regarding technical service for the Technics SH8065.
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5 stars on this manual since it is the complete version, not the half manual you find free for download all over the web. Good job.
JAA63051-R.3689.A
Adjustment of Driving frequency and Motor control
â�� In case of replacing the main PCB, SWM unit and MR encoder unit, be sure to make adjustments. ã��â� The method of connection of the rated voltage power supply and measuring tools is the same as "ADJUSTMENT OF MR DUTY". ã��â�¡ Make sure that the electric current and voltage of the rated voltage power supply are set to the set values on the PC screen. ã�� ã��â�¢ Turn the rated voltage power supply ON. ã�� ã��â�£ Select "2. ADJUSTMENT FOR DRIVING FREQUENCY & MOTOR CONTROL" in the menu of the AF-S VR105 inspection program. The lens automatically starts the driving of scanning.
Fig.1
Fig.2
�� When "Fig. 1" screen is displayed, and if "OK" is clicked, "drive frequency and the motor control adjustment" is completed. If "Adjustment could not be executed." of "Fig. 2" is displayed, make readjustment. Even after the readjustment, if "Fig. 2" screen is still displayed, adjust the "MR duty" again and perform "drive frequency and the motor control adjustment" again. However, after all the above, if the adjustment is still impossible, the SWM unit, the fixed tube unit, GMR tape unit, or MR head unit may be defective.
- A34 ï½¥ AF-S VR MC 105/2.8G -
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