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/
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!
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.
Text excerpt from page 8 (click to view)
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3.2 NETWORK ASSY (FRWN-187)
Network HPF (FRWN-187)
A 27 F/250 V 33 F/250 V White with Black Line
Red
0.22 mH
INPUT
2.2 mH 1.8 mH 3.9 F/250 V White
Mid
Black Red
White with Black Line B 4.7 /10 W 1.5 F/250 V 0.47 mH White