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 Post subject: E-Turn Tilt Base Dissasembly
PostPosted: 18 Apr 2022, 01:42 
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This is used in a ton of models: CLD-D406, CLD-D504+, CLD-D604+, CLD-59, CLD-R7G, CLD-D925 and many more.

I had to tear one of these down to swap "Tilt Base (Under)" VNL1670. What frequently happens is the plastic that holds the back end of Side A rail will snap off the base. I never can get it glued back correctly (it is probably possible, but I'm not good with stuff like that). I ran out of functioning mechs to just swap in, so I had to just replace VNL1670 in the player I was repairing. This assumes you have already removed the mech via the four screws holding it to the chassis. Additionally you will need an oscilloscope to properly step through the adjustments after reassembly. If you do not have one, take a photo of Side A centering adjustment before attempting this.

Disconnect switchboard wiring from back right of side turn.
Attachment:
TB1.jpeg
TB1.jpeg [ 252.3 KiB | Viewed 629 times ]


Unscrew the two screws holding in the CD Plate and disconnect the spring.
Attachment:
TB2.jpeg
TB2.jpeg [ 262.94 KiB | Viewed 629 times ]


Disconnect the black spring and then the silver spring. Unscrew single screw holding in the switchboard and carefully bend back the plastic hooks holding it in.
Attachment:
TB3.jpeg
TB3.jpeg [ 368.69 KiB | Viewed 629 times ]


Disconnect this third spring. Below it, the white tilt cam must be turned via pulley with loading belt around it so that cam is flat against the black plastic piece. (The tilt cam in the photo needs to be turned to the right.)
Attachment:
TB4.jpeg
TB4.jpeg [ 310.73 KiB | Viewed 629 times ]


Unwind switchboard wiring and turn Side A centering "screw" so that the D shape has its curve side facing outwards. (Opposite as shown in photo.)
Attachment:
TB5.jpeg
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The upper tilt base should now slide over so it can be lifted up.
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 Post subject: Re: E-Turn Tilt Base Dissasembly
PostPosted: 18 Apr 2022, 14:52 
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Here is the removed tilt base for reference. If someone could print a drop-in replacement for Side A rail end piece where it fits into the square hole at the front of it, that would make it trivial to align and glue. There would be no disassembly needed.
Attachment:
VNL1670_Top.jpeg
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Attachment:
VNL1670_Bottom.jpeg
VNL1670_Bottom.jpeg [ 146.08 KiB | Viewed 611 times ]
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 Post subject: Re: E-Turn Tilt Base Dissasembly
PostPosted: 03 May 2022, 21:06 
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Thank you for showing how the "surgery" was done. Very impressive!

I've got a sidetrack question about CD plate as shown in the second photo. I only know the hook at the end of the arm as appearing for CLD models is to decide whether CD or LD tray is opened. Besides, could anyone kindly tell what is the main function of the CD plate? If it is removed, will the player still normally play CD/LD?
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 Post subject: Re: E-Turn Tilt Base Dissasembly
PostPosted: 04 May 2022, 00:36 
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It should play fine. Not sure about loading.

CLD-V2600 has a "secret" CD tray, but no opening for it. If memory serves me correctly, they left out the CD plate. Different mechanism though.
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