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I was very glad recieving the service manal from You. Additionaly very fast. Extremaly nice servicing. Thanks very mach! Now my GX-220 working better, than it was made. Alexander from Moscow, Russia/
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Sweet! I won the item on eBay and couldn't adjust the geometry or even keep a steady picure. This guide has the full schematics (not available anywhere else as far as I could tell), and was a bargain for the wealth of knowledge it contains. I hooked it up to my testing equipment, tweaked a few potentiometers and got it playing videogames in no time. Thanks!
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It was just what I need to fix my old BMW's CD player. Very convenient also. Thank you.
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Great Manual! It contains all the wiring schematics and mechanical exploded views that are essential for service and repair. I was surprised I even found this for such an old machine. Only wish I knew of this site many years ago.
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Great manual very clear copied. You are making an incredible job. I appreciate a lot the rapidity and your efficiency. Thanks a lot
6. Envelope Adjustment
Note: This adjustment is required when the indicator color becomes red in �step 10� of �4. Getting Start.� If it becomes blue, this adjustment need not to be performed. Purpose: To make sure that the tape path is well stabilized. Symptom of Misadjustment: If the tape travels with instability, it may damage the tape.
Adjustment Procedure
1) Display the adjustment menu. (Refer to 4. Getting Start) 2) Remove Screw B, Screw C and remove the Left Cover.
Left Cover Screw B Screw C
3) Connect the oscilloscope to Envelope TP on the Interface Board. (Use HID on the Interface Board as a trigger.) 4) Adjust the S1 post by turning the top of post with Post Height Adjustment Fixture(VFK1278) so that the left half of envelope signal becomes flat as possible. 5) Adjust the T1 post by turning the top of post with Post Height Adjustment Fixture(VFK1278) so that the right half of envelope signal becomes flat as possible.
POST HEIGHT ADJUSTMENT FIXTURE (VFK1278)
T1 POST
S1 POST
3-20
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