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Excellent quality service manual. Quick processing, fair prices. Love to do business again. Thank you!!!
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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.
ELECTRICAL ADJUSTMENTS
2-11: BRIGHT CENTER 1. Receive the monoscope pattern. (RF Input) 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (17) on the remote control to select "BRI CENT". 4. Press the VOL. UP/DOWN button on the remote control until the white 10% is starting to be visible 5. Receive the monoscope pattern. (Audio Video Input) 6. Press the INPUT SELECT button on the remote control to set to the AV mode. Then perform the above adjustments 2~4. 7. Press the DVD button on the remote control to set to the DVD mode. 8. Activate the adjustment mode display of Fig. 1-1 and press the channel button (17) on the remote control to select "BRI CENT". 9. Press the VOL. UP/DOWN button on the remote control to set the same step numbers as the AV mode. 2-12: TINT 1. Receive the color bar pattern. (RF Input) 2. Using the remote control, set the brightness, contrast, color and tint to normal position. 3. Connect the oscilloscope to TP803. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (26) on the remote control to select "TINT". 5. Press the VOL. UP/DOWN button on the remote control until the section "A" becomes a straight line (Refer to Fig. 2-3). 6. Receive the color bar pattern. (Audio Video Input) 7. Press the INPUT SELECT button on the remote control to set to the AV mode. Then perform the above adjustments 2~5. 8. Press the DVD button on the remote control to set to the DVD mode. 9. Activate the adjustment mode display of Fig. 1-1 and press the channel button (26) on the remote control to select "TNT". 10. Press the VOL. UP/DOWN button on the remote control to set the same step numbers as the AV mode. 2-13: COLOR CENTER 1. Receive the color bar pattern. (RF Input) 2. Using the remote control, set the brightness, contrast, color and tint to normal position. 3. Connect the oscilloscope to TP802. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (23) on the remote control to select "COL CENT". 5. Adjust the VOLTS RANGE VARIABLE knob of the oscilloscope until the range between white 100% and 0% is set to 4 scales on the screen of the oscilloscope. 6. Press the VOL. UP/DOWN button on the remote control until the red color level is adjusted to 85 ± 5% of the white level. (Refer to Fig. 2-4) 7. Receive the color bar pattern. (Audio Video Input) 8. Press the INPUT SELECT button on the remote control to set to the AV mode. Then perform the above adjustments 2~6. 9. Press the DVD button on the remote control to set to the DVD mode. 10. Activate the adjustment mode display of Fig. 1-1 and press the channel button (23) on the remote control to select "COL CENT". 11. Press the VOL. UP/DOWN button on the remote control to set the same step numbers as the AV mode. White 0%
100%
White 100%
Red Level Fig. 2-4
2-14: SUB CONTRAST MAX 1. Activate the adjustment mode display of Fig. 1-1 and press the channel button (21) on the remote control to select "CONT MAX". 2. Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes "60". 3. Receive a broadcast and check if the picture is normal. 4. Press the INPUT SELECT button on the remote control to set to the AV mode. Then perform the above adjustments 1~3. 5. Receive a broadcast and check if the picture is normal. Press the DVD button on the remote control to set to the DVD mode. 6. Activate the adjustment mode display of Fig. 1-1 and press the channel button (21) on the remote control to 7. select "CONT MAX". 8. Press the VOL. UP/DOWN button on the remote control to set the same step numbers as the AV mode.
"A"
Fig. 2-3
D3-3
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