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This service manual helped me to repair my PIONEER. Iam very satisfied, that I found it here.
Even the price of manual was not so high that person would not be able to spend a few money.
But that is very worth spent money. Thanks
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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!
No Tray open / close operation
Is the connector properly inserted into CN800 ? Y When pressing the EJECT SW, does the peak value of the IC400 5Pin become 3.3V? Y When it is in the Tray Open mode, does the IC400 6Pin show 1.65V?
N
Try the operation after inserting the connector to CN800 properly.
N
Check the SW701 patterns and the welding condition.Replace it if the condition is normal.
N
Check the SW701 Open and Close patterns and the welding condition. Replace it if the condition is normal. Y
CLOSE
Y
OPEN
When pressing the EJECT SW, does the IC500 Pin26 vary from 0V to the value between1.15V and 2.15V and then show 1.65V finally?
N
Check the condition and patterns of R615, R616. If they are normal, replace IC500.
N
When pressing the EJECT SW, does the IC500 26Pin vary from 1.65V to the value between 1.15V and 2.15V and then show 0V finally?
N
Y
Is the Tray Motor able to output the Pin49 and 50 of IC500? Y
Y
Replace TRAY MOTER.
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