23-01-2018, 09:08 AM
I had already downloaded that service manual, Mark, and have been having difficulty following the path the o/p from the IR Receiver takes, so thanks for the assistance with that. I'll go over that circuit, and, in particular, check the IR I/P & O/P jacks for tarnished connections. The IR Receiver, however shows no sign of response (out of circuit) to either the correct remcon, or to another known working remcon, with or without an external pull-up resistor. I have an earlier Pioneer AV Rx (VSX-505RDS MkII) which is in my 'to do' pile ince the audio amp. stages failed. THe IR Rx in that was working when I 'retired' the 505 due to the above fault, so it may be worth checking if it's the same device and, if so, fitting it in the 808 from which I removed the suspect IR Rx. THe 808 does indeed use flat ribbon cables to connect one PCB to another, so perhaps these need to be checked for continuity. Were the 808 mine, I'd jusdt use it without the remcon, since it looks like being a big job to trace and rectify the fault, and all functions can be controlled from the front panel, but theowner would like to be able to use the remote, understandably I guess.
