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Very fast service, best quality of the service manual and the schematics
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This service manual of the old video cassette recorder VT-LC50EM is very good readable even the tiniest numbers (i.e. IC-pins). The circuits are very clear. Many details of the schematic are very good described but in GERMAN language. Many schematic details - but complete at all. Common background information of several details are enclosed and physical knowledge of the TFT liquid crystal display for example. The manual lacks PCB drawings. If you understand german I would recommend this manual for you.
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Hi, this is a very clear manual, nice copy, not quite up to the standard of the very best available but better than many others. I think the price was especially fair for a hard to find manual and I would certainly use this manual seller again. Recommended.
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This schema available for me in good condition. I would highly recommend.
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Thanks for this "hard to find" service manual.
I apreciate the good quality of scanning and the pages scanned in A3 format.
42PD4200 (PW1A)
Item
AUTOMATIC SIGNAL LEVEL ADJ USTMENT �VIDEO
Procedure (1) Select AV1 and enter the service adjustment mode. (2) Select No.743 �Automatic White peak Adj. (Multi)� and press OK button for more than 2 seconds to start the adjustment. It will complete the adjustment after the OSD of �AUTO MODE� disappeared.
Preparation (1) Input the adjustment signal of 576p or 480p format into AV1 input terminal. the adjustment signal
The signal level of black area should be pedestal level. This signal must not be inserted characters etc.
Black White 0.7V
[Note] Never adjust without use of the specified signal. If that were done by mistake, the picture would become abnormal in black level, contrast and color. In this case, it will be recovered by re-adjustment in the specified way.
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