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There are currently no product reviews.
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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.
FOR PRECAUTION OF REASSEMBLY AND DISASSEMBLY
(Front SP)
The grille is attached to the cabinet by catches. Detach by pulling it toward you. The woofer is attached to the cosmetic baffle by 4 internal screws. The cosmetic baffle is atached to the cabinet by 4 external screws. To detach it, first insert a sharp-pointed tool like an eyeleteer into the catch and push up. Next unfasten screws for the cosmetic baffle. Then unfasten those screws. When attaching the woofer, face its terminal downward. When attaching the cosmetic baffle on the cabinet by screws. The tweeter is attached to the cosmetic baffle by 2 internal screws. The cosmetic baffle is atached to the cabinet by 4 external screws and 2 bosses. To detach it, perform same as the woofer.
4. Reassemble the subwoofer, as shown below: 4-1 Apply adhesive to the cosmetic baffle and press it into the cabinet. 4-2 Apply adhesive to the interior surface of the circumference of the damper previously removed. 4-3 Insert the damper into the cabinet through the hole where the speaker was, and adhere it so that the end of the cosmetic duct is on the same plane as the surface of the damper. 4-4 Secure the speaker to the cabinet with the four screws previously removed.
(Sub Woofer)
The woofer is attached to the back board by 4 external screws. To detach it, unfasten those screws. The input terminal is attached to the back board of the cabinet together with the adhesive by press-fitting. To detach the input terminal, pry it open by inserting a flat blade screwdriver into the upper and lower slot of the input terminal. To attach the input terminal, replace it on the back board of the cabinet correctly together with the adhesive by press-fitting. (The red terminal is right-side.) The cosmetic baffle is attached to the baffle of the cabinet together with the adhesive by press-fitting. To detach the cosmetic baffle, pry it open by inserting a flat blade screwdriver into the lower slot of it. To attach the cosmetic baffle, replace it on the baffle of the cabinet together with the adhesive by pressfitting. How to replace the cosmetic baffle and cosmetic duct 1. Remove the speaker from the cabinet, first removing the four screws. 2. Reach through the hole where the speaker was originally located and pull out the damper attached at the end of the cosmetic duct by hand. (Damper: See Product Appearance 11.) Note: Detach the damper with great care so as not to damage the interior surface of its circumference. 3. With the aid of a flathead screwdriver inserted through the slit at the lower part of the cosmetic baffle, remove the cosmetic baffle from the cabinet.
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