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Excellent service manual, the only known point of note is the alignment of improvability scanned pages within the pdf page. The resolution is good.
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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.
WAVE FORM 1 : XIN (22 pin of the IC34)
Frequency 7.987MHz Display Screen : arbitrary
WAVE FORM 4 : MPU VSY (6 pin of the IC34)
Frequency 75Hz Display Screen : arbitrary
WAVE FORM 2 : VSYNC (9 pin, 18th pin of the IC14)
Frequency 75Hz Display Screen : arbitrary
WAVE FORM 5 : MPU HSY (7 pin of the IC34)
Frequency 80kHz Display Screen : arbitrary
WAVE FORM 3 : HSYNC (8 pin, 17 pin of the IC14)
Frequency 80kHz Display Screen : arbitrary
WAVE FORM 6 : LCD CLKA, CLKB (FL4, FL3)
Frequency 50MHz Display Screen : arbitrary
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