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Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this tuner.
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I have this hi-fi system for a long time and I need to repair some things. Founding this manual will be very helpfull :)
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It is pretty good. The schematics were covered all components, the manual also provide the parts list . It's useful for the trouble shooting.
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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.
Back-up Battery Before replacing the back-up battery, note the following precautions: � Do not remove the back-up battery from the CSF Unit while main batteries are removed. � Be sure to replace the back-up battery at least once a year. Otherwise, you run the risk of losing data stored in memory. 1. Press OFF to switch power OFF. 2. Remove the screws that hold the back-up battery compartment cover in place, and remove the cover.
RESET
Back-up battery compartment cover 3. Insert a thin, pointed object into (A) and remove the old battery. (A)
CR2025 lithium battery
4. Insert a new battery into the unit, making sure that the positive (+) side of the new battery is facing up (so you can see it). 5. Replace the battery compartment cover and secure it by tightening its screw. � Be careful that you do not over tighten the screw.
5.
RESET OPERATION
1. Press ON to switch power ON. 2. Press the RESET button with a thin, pointed object.
RESET button
RESET
Warning! The next step deletes all data stored in the CSF Unit's memory. Make sure that you really want to delete the data before you continue! 3. Press 1 to select ALL RESET.
Note � The above message always appears in English, regardless of the system language setting.
�6�
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