DIYbanter - View Single Post - PIONEER VSX-808 RDS Receiver

Mark D. Zacharias

wrote:
5 years ago I bought a Pioneer VSX-808 RDS Receiver. Recently the
volume button couldn't be adjusted anymore and more recently when I
turned the receiver on it shut down itself all the time and on the
display it's reading "POWER OFF".

I'm a technician myself and to fix the problems I'm now looking for
the service manual (not the owner's manual) with the technical
schemes of the receiver. Can someone help me please??

Pascal

Usually a bad output IC - I believe yours used them. Fairly expensive from
Pioneer, and there are usually no subs, at least no cheaper ones. They got
wise and quit printing the STK number as part of the lot number on the backs
of the chips. Try to measure a DC offset at any one channel. That would
point you to the bad chip. You can measure at the white emitter resistor in
front of each one. There's probably 5 or 6 resistors total.

Mark Z.