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The manual arrived very quickly and had all the information I needed - Very satisfied with this seller. - Thanks -
Good quality, the manual help me to repair the echo/reverb section
A good service manual with lots of info and a very fair price
Great value, good scan, just as expected, everything that you need.
Good scan, great price, but almost the same with the SV260 service manual.
2. How to Make FES (Focus Error Signal)1Â· Â· Â· Hologram Foucault Method
Note: The following PD form is slightly different from the actual one. (image only)
(At the time of just focus)
(Close to the disc)
(Far from the disc)
C B A
D + â No error + â + + â â
Actual form has I/V amplifiers here
From the deviation of focus, the light shown above (black part) comes back on PD. By receiving the output through a differential amplifier, DC voltage, which responded to defocusing, is output.
3. How to Make Thread Error Signal
When thread does not move..... OL
Take out the low frequency component for tracking error signals. Tracking Error Signal _ LPF _ Thread Error Signal With this, move the thread to make OL stay around the free neutral point.
Complete owner's manual in digital format. The manual will be available for download as PDF file aft…