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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!
w General Control of Refrigerating Cycle
NO.
ITEMS
WELDING ROD
CONTENTS AND SPECIFICATIONS
(1) H 30 (1) ¥ Chemical Ingredients (1) ¥ Ag: 30%, Cu: 27%, Zn: 23%, Cd: 20% (1) ¥ Brazing Temperature: 710~840¡C (2) Bcup-2 (1) ¥ Chemical Ingredients (1) ¥ Cu: About 93% (1) ¥ P: 6.8~7.5% (1) ¥ The rest: within 0.2% (1) ¥ Brazing Temperature: 735~840¡C (1) ¥ Ingredients and how to make (1) ¥¥Borax 30% (1) ¥¥Borax 35% (1) ¥ Fluoridation kalium: 35% (1) ¥ Water: 4% (1) ¥ Mix the above ingredients and boil until (1) ¥ they are transformed into liquid. (1) Assemble the drier within 30min. (1) after unpacking. (2) Keep the unpacked drier at the temperature of 80~100¡C. (1) When measuring with pirant Vacuum (1 )gauge the charging M/C, vacuum (1 )degree is within 1 Torr. (2) If the vacuum degree of the cycle inside is (2) 10 Torr. below for low pressure and 20 Torr. (2) for high pressure, it says no vacuum (2) leakage state. (3) Vacuum degree of vacuum pump must be (3) 0.05 Torr. below after 5 min. (4) Vacuum degree must be same to the value described item (2) above for more than 20 min. (1) The pressure of dry air must be more han 12~16kg/cm2 (2) Temperature must be more than -20~ -70¡C. (3) Keep the pressure at 12~6kg/cm2 also (3) when substituting dry air for Nitrogen Gas.
REMARKS
¥ Recommend H34 containing 34% Ag in the ¥ Service Center.
1
FLUX
2
¥ Make amount for only day. (1) ¥ Holding period: 1 day ¥ Close the cover of container to prevent dust ¥ putting in the FLUX. ¥ Keep it in a stainless steel container.
3
DRIER ASM
¥ Don't keep the drier in a outdoors because ¥ humidity damages to it.
VACUUM
4
¥ Apply M/C Vacuum Gauge without fail. ¥ Perform vacuum operation until a proper ¥ vacuum degree is built up. ¥ If a proper vacuum degree isn't built up,¥ ¥ check the leakage from ¥ the Cycle Pipe line part and ¥ Quick Coupler Connecting part.
5
DRY AND AIR NITROGEN GAS
6
NIPPLE AND COUPLER PIPE
(1) Check if gas leaks with soapy water. (2) Replace Quick Coupler in case of leakage.
¥ Check if gas leaks from joint of the ¥ Coupler.
7
(1)Â¥ Put all Joint Pipes in a clean box and (1)Â¥ cover tightly with the lid so that dust or (1)Â¥ humidity is not inserted.
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