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fast response great copy easy to download quick to correct mistakes
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This manual provided the necessary information to properly use the C-3 deck. The manual was an excellent reproduction and very clear.
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Product was very good. Received quickly and complete
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Although printing quality is not the best, the manual was very helpful in order to reactivate this ancient but still good electronic musical instrument.
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as a first-time user and buyer from this site, i found the overall service outstanding!! this product is a godsend as, without it, i would never have been able to find my way around and use my machine as intended. i will certainly use this site again as required. many many thanx!!
Traverse Adjustment
Connection :
Oscilloscope
11. Rotate the AMS knob until the waveform of the oscilloscope moves closer to the specified value. In this adjustment, waveform varies at intervals of approx. 3%. Adjust the waveform so that the specified value is satisfied as much as possible. (Traverse Waveform)
BD board TP (TEO) TP (VC) VC
A
Adjusting method : 1. Connect an oscilloscope to TP (TEO) and TP (VC) of the BD board. 2. Load a MO disc (any available on the market). 3. Press the 0 button or ) button and move the optical pickup outside the pit. 4. Rotate the AMS knob and display �EFBAL ADJUS�. 5. Press the YES button and display �EFBAL MO-W�. (Laser power WRITE power/Focus servo ON/tracking servo OFF/spindle (S) servo ON) 6. Adjust RV101 of the BD board so that the waveform of the oscilloscope becomes the specified value. (MO groove write power traverse adjustment) (Traverse Waveform)
A VC B Specification A = B
B
Specification A=B
12. Press the YES button, display �EFB = $ SAV� for a moment and save the adjustment results in the non-volatile memory. Next �EFBAL CD� is displayed. The disc stops rotating automatically. 13. Press the §OPEN/CLOSE button and remove the MO disc. 14. Load the check disc (MD) TDYS-1. 15. Press the YES button and display �EFB = $ CD�. Servo is imposed automatically. 16. Rotate the AMS knob so that the waveform of the oscilloscope moves closer to the specified value. In this adjustment, waveform varies at intervals of approx. 3%. Adjust the waveform so that the specified value is satisfied as much as possible. (Traverse Waveform)
A
7. Press the YES button and display �EFB = $ (Laser power : MO reading)
MO-R�.
VC B Specification A=B
8. Rotate the AMS knob so that the waveform of the oscilloscope becomes the specified value. (When the AMS knob is rotated, the of �EFB = $ � changes and the waveform changes.) In this adjustment, waveform varies at intervals of approx. 3%. Adjust the waveform so that the specified value is satisfied as much as possible. (MO groove read power traverse adjustment) (Traverse Waveform)
17. Press the YES button, display �EFB = $ SAV� for a moment and save the adjustment results in the non-volatile memory. Next �EFBAL ADJUS� is displayed. 18. Press the §OPEN/CLOSE button and remove the test disc TDYS-1. Note 1 : Data will be erased during MO reading if a recorded disc is used in this adjustment. Note 2 : If the traverse waveform is not clear, connect the oscilloscope as shown in the following figure so that it can be seen more clearly.
Oscilloscope
A VC B
Specification A=B
9. Press the YES button, display �EFB = $ SAV� for a moment and save the adjustment results in the non-volatile memory. Next �EFBAL MO-P� is displayed. 10. Press the YES button and display �EFB = $ MO-P�. The optical pick-up moves to the pit area automatically and servo is imposed.
BD board TP (TEO) TP (VC)
330k�
10pF
� 34 �
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