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This manual was very good & was very helpful with repairs.
Always great & fast service from Owner's manual.
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Very pleased with the quality of the scan. No complaints whatsoever.
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I liked the product. I would use their sevices again.
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I Recently purchased yet another Service Manual from Owner-Manuals.com, this time for a Sony EVS700ES/UB Videocassette Recorder. The Manual was available for upload within two hours and is an Extremely Good copy, as some of this I was able to enlarge to get even better detail.
Once Again, Very happy with the result!
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A good and useful manual. With these, We was abled to isolate and pin point the component that was causing the problem. The total time spent in troubleshooting is very much reduced.
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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