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There are currently no product reviews.
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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.
X92-4400-0x/4730-0x X92-4740-0x/4750-0x MECHANISM OPERATION EXPLANATION
â� Initial operation of the trigger slider
When the pressure of the disc rotates the trigger arm, the trigger arm (part of A position) pushed the trigger slider (part of B position).
Center of rotation
Boss
â� Operation of the loading slider
When the trigger slider begins to move out for arrow side, the boss part of the trigger slider will push the loading slider and will move the loading slider.
Boss
12cm Disc Disc A
Trigger arm A
Loading slider
Boss
B
Trigger slider
â� Operation of the trigger slider (contact with pinion gear)
When the trigger arm pushes the trigger slider and goes, the rack gear of the trigger slider will be contact with pinion gear that has already rotated. The trigger slider (lack gear) moved out synchronization of causes the pinion gear to rotate.
Trigger arm A
FLOW UNTIL DISC CHUCKING (Playback standby condition)
Operation modes: To play back to DISC it is required to perform flow of operations as shown below.
q Moving the disc clamper downwards so that it can clamp the disc during playback (disc chucking) w Moving the rollers that are in contact with the disc (Lowering the roller lever and stopped) e Float (suspend) the mechanism assy in order to protect it from external vibrations during disc playback
Contact with trigger slider (rack gear) and pinion gear
r Disc playback standby mode (series of completion of operation)
t Moving the optical pickup assy so that if can read the disc signals.
The movement of the loading slider activates these series of operations.
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