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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.
3.3.7 Removing the DVD pickup (See Figs.12 to 14) � Remove the tray assemblies, DVD servo board and DVD traverse mechanism assembly. (1) From the top side of the DVD traverse mechanism assembly, release the lock of the connector on the DVD pickup and disconnect the card wire in the direction of the arrow. (See Fig.12.) (2) Turn the screw shaft gear in the direction of the arrow 1 to move the DVD pickup in the direction of the arrow 2. (See Fig.12.) (3) Remove the screw G attaching the feed bracket and remove the feed bracket from the sections k. (See Fig.12.) (4) Release the claw m of the thrust spring in the direction of the arrow and remove the thrust spring. (See Fig.12.) (5) Remove the guide shaft from the sections (n, p) on the C.TM chassis. (See Fig.13.) (6) Remove the section q of the DVD pickup. (See Fig.13.) (7) Remove the two screws H attaching the rack arm spring and rack arm. (See Fig.14.) (8) Pull the guide shaft from the DVD pickup in the direction of the arrow. (See Fig.14.) 3.3.8 Attaching the DVD pickup (See Figs.12 to 14) (1) Attach the guide shaft to the DVD pickup and attach the rack arm spring and rack arm with the screws H. (See Fig.14.) (2) Attach the section q of the DVD pickup to the C.TM chassis first and attach the guide shaft to the sections (n, p). (See Fig.13.) Reference: When attaching the guide shaft to the section p, attach it under the rod spring. (See Fig.13.) (3) Attach the thrust spring and feed bracket with the screw G. (See Fig.12.) (4) Turn the screw shaft gear in the direction of the arrow 1 to move the DVD pickup in the direction of the arrow 2. (See Fig.15.) (5) Connect the card wire to the connector on the DVD pickup. (See Fig.15.)
DVD traverse mechanism assembly Thrust spring Connector
Feed bracket
2
G
1
k Screw shaft gear DVD pickup Thrust spring
m
Fig.12
DVD pickup
q
p Rod spring Guide shaft C.TM chassis
Fig.13
n
1-44 (No.MB531)
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