A similar kit is also used in the SL-C5 / SL-T7 / SL-T9 / V-5470 / V-8600 / VTC-9300 / PVC700 / PVC740.
There are many different symptoms depending on the model and which belt has failed.
Symptoms include: tape transport problems, failure to load and eject, sluggish response, failure of tape counter.
See the Belt Cleaning Guide.