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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.
VI.
2. Theory
THEORY OF OPERATION Modulation. with amplitude modulathe~actual theory of of a civen
of ,implitude
A review of the definitions associated tion is in order before proceeding to this monitor. Fi&.re 3a shows amplitude as it
an unmodulated R.F. carrier wave would ap,pear on an oscilloscope.
Fig. Figure 3b shows used to modulate
3a.
frequency which will be
a sine wave of audio the carrier.
Fig. Figure 3c shows sine wave audio a carrier freouency.
3b, modulated with one cycle of the
Fig..3c.
3/19/59
-ll-
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