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I love older radio's and the service manuals that are sometimes hard to find. Was able to find a manual quite easily on this site.
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Thank you for your shop manual! Your help was very useful - the device is repaired! Once again - Thank you! I wish you a successful business! Edward (Russia).
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It was a great experience,instead of purchasing a new Stereo Amplifier ,in just minutes i repaired my old one and that was thaks to the manual I have purchased from you.
Thanks again.
Samuel Alter
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Das ging ja sehr unkompliziert hat bestens geklappt und die Quallität ist auch noch gut.
Vielen Dank dafür.
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Everything okay, thanks a lot. It was a pleasure for me to make a deal with you.
PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ7
A
Plug in the AC Cord.
Check the voltage at the following points. Between Pin 1 and Pin 2 of CN851: approx. +120 V OK
NG
Check the parts (Ref No. 800 series) on the Power P.C.B. and replace any defective parts.
Unplug the AC Cord. Remove the jumper wire between TP810 and TP805 on the Power P.C.B. Reconnect all connector cables, then reinstall the Power P.C.B. into the unit.
Plug in the AC Cord and turn the power ON. NG OK There is no problem with the Power P.C.B.
Does the Lamp light up?
There is no problem with the Power P.C.B., however, the other P.C.B.s are defective. Check the Main P.C.B. and the Rear Jack P.C.B., and repair if necessary. Refer to "CHECKING THE OPT/TV UNIT."
Still NG Replace the Lamp Unit.
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