Titan 1982
Betamax VCR-2000

beta vcr logo


vtc5000 rear view
Rear view from a VTC-5000


Fault and repair guide

No reel rotation

This is a very common problem which can have several causes. The first thing which fails is usually the reel idler assembly. Replacement units are readily available and can be fitted easily after removal of the cassette carriage. Before replacement check for a broken reel motor belt. This is a small belt which transfers drive to the idler. Finally, the last thing to suspect is the reel motor. Sanyo produced a modification to improve drive to this motor. This involved decreasing the value of the in-series resistor in the motor power supply. However, it is not uncommon for the motor itself to fail in which case it needs to be replaced.
The diagram above shows the idler assembly.

No tuner input

This is usually caused by failure of the RF combiner / splitter unit. Unfortunately it is not easy to repair this unit.

Timer and/or standby LED fail to illuminate

This is caused by dry joints where the LED are soldered onto the front PCB. In order to gain access to the PCB you'll need to remove the front panel and the servo board on the LHS of the deck.

12 Hour Clock Display Mod

On the clock PCB there is a position for 12H or 24H clock. Usually they are 24H, but fit a 1N4148 diode in this position (note polarity as per PCB marking) and you get 12H clock with AM/PM illuminated in the display.

Loss of servo lock in record

Recordings can suffer from a loss of drum lock which produces a picture roll and usually occurs between sudden bright/dark transitions. It is caused by problems with the sync separator in the servo circuits, usually due to dried out electrolytic capacitors.

System Control Bug

The machine had a strange bug in the system control software. Whenever an error occured with the tape transport the VCR would lace up and shutdown. This is exactly the opposite of what you would expect and made sure that it was not possible to remove the cassette without damaging the tape. This 'feature' was not present in the later VTC-5150 model.

Further Information

For further information on general servicing on this model, take a look at Colin McCormick's excellent guide on How to service a Sanyo Beta.

Colin is also able to supply a service kit for this model.

Quick fault guide

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