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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
7. Overall Noise Level Check Mode Recording and playback Signal Measurement Point Measuring Instrument Specified Value No signal: Audio terminal left and right of AUDIO/VIDEO INPUT jack AUDIO OUT jack LEFT or RIGHT Audio level meter Below �45dBs (IHF-A filter ON, 20kHz LPF ON)
8. Overall Separation Check Mode Recording and playback Signal No signal: Audio terminal <left> [right] of AUDIO/VIDEO INPUT jack 400Hz, �7.5dBs signal: Audio terminal <right> [left] of AUDIO/ VIDEO INPUT jack AUDIO OUT jack <LEFT> [RIGHT] Audio level meter Below �40dBs
Measurement Point Measuring Instrument Specified Value < > : Left channel check [ ] : Right channel check
Checking Method: 1) Connect the audio terminal left of AUDIO/VIDEO INPUT jack and its ground terminal with a jumper wire. 2) Connect the audio terminal right of AUDIO/VIDEO INPUT jack and its ground terminal with a jumper wire. 3) Record the signal. 4) Playback the recorded section. 5) Check that the noise level is the specified value. 6) Remove the jumper wires.
Checking Method: 1) Connect the audio terminal <left> [right] of AUDIO/VIDEO INPUT jack and its ground terminal with a jumper wire. 2) Input the 400Hz, �7.5dBs signal in the audio terminal <right> [left] of AUDIO/VIDEO INPUT jack. 3) Record the signal. 4) Playback the recorded section. 5) Check that the signal level of the AUDIO OUT <LEFT> [RIGHT] jack is the specified value. 6) Remove the jumper wires.
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