20 Most Recent JVC DLA-RS4800U Projector DLA-RS4800U Questions & Answers


I had the same trouble with telephone answering machines - every thunderstorm and I would need a new one...

Lightning strikes and near misses and power outages can create mains borne voltage spikes and surges that frequently damage sensitive electronics. These days almost everything is a computer or contains a computer that uses extremely sensitive CMOS chips.

Electronics manufacturers don't make things better than they need to be for obvious reasons and so it is up to the user to protect appliances from damaging surges by using the most expensive of these with a surge protector and by using an area protector.

Since the penny dropped and I invested in a surge protector I haven't needed to replace my answering machine...

JVC DLA-RS4800U... | Answered on Aug 26, 2016


try turning off the projector, disconnect the power cord and remove the lamp again. then press the power button for about 10 seconds to fully drain power. afterwards, connect/insert the lamp again making sure it is securely connected with the cover, power on the device and attempt to reset the lamp time again. let us know how it goes.

JVC Office... | Answered on Apr 06, 2014


24.051-,24.052,-24.053,-25.054
.051 is greater than .050 by.001 and is less than 24.055 by .001

Office Equipment... | Answered 7 hours ago


indicates a drive line problem
could be failing "U" joints /cv joints , out of balance drive shafts , worn slip joints , worn bushes in transfer/ gear box extension and tail shafts joint phasing from incorrect assembly after shaft work
take it to a drive line specialist shop and have it properly diagnosed

Office Equipment... | Answered 7 hours ago

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