Question about Goldstar GVR-DD1 VHS VCR
Same problem with my unit. In my case the capstan motor was jamming. It was jamming because the metal coating on the capstan rotor magnet had peeled away and was interfering with proper rotation. This was happening even though the capstan appeared to move smoothly when rotated by hand.
If you really want to dive into this the fix is:
1) Unplug the unit from power.
2) Open the cabinet top and front
3) Disconnect the connectors going to the 8mm unit and remove it.
4) Disconnect the flex circuit connector going from the capstan motor to the 8mm drive's PC board.
5) Remove the capstan motor by removing the three Phillips head screws on the bottom of the 8mm drive at the base of the capstan motor
6) Remove the plastic drive gear on the capstan motor shaft
7) Pull the capstan rotor straight up away from the stator.
8) Examine the capstan rotor magnet for defects/peeling of the metal coating of the magnet. If the coating is fine, then you do not have the same problem as I did.
9) If the coating is peeling/damaged, you can do what I did by following the remaining steps
10) Peel off the failing coating to get a clean surface. Note, the magnet appears to be a loose ceramic and can be easily gouged/damaged. Becareful to not damage it any more.
11) The magnet will probably be retaining a lot for metal particles and dust. Apply adhesive tape to and around the magnet repeatably unit all contamination is removed. Tape pressed to the magnet should come back clean.
12) Seal the magnet. I used a couple of coats of clear nail polish to protect the magnet from further damage. Don't know if it really helps but it seemed like some protection should be added to the magnet and nail polish was readily available ("thanks honey").
13) Reassemble. Don't forget to reconnect the motor flex cable prior to installing the drive.
Posted on Jun 21, 2009
This is the number one failure mode for a tape machine.
One drive is used to pull the tape out and run it across the heads very accurately, and another drive is used to pull the tape back into the cassette. This one uses a clutch to allow it to slip so that the takeup reel in the cassette can vary in speed depending on how much tape is on it. After a few years, it slips too much and can't pull the tape in fast enough. (older units use rubber idler wheels to do the same thing)
Either tighten up the clutch, or replace the rubber wheel.
Hope Ya Fix It!
Posted on Feb 01, 2008
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