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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Pioneer VSX-27TX -- long delay before audio can be heard...
I have a Pioneer VSX-27TX receiver that works fine in all respects except
that it takes about 20 minutes before audio can be heard from any of the outputs (main or surround.) During the 20 minute "warm-up", the display is active and all control functions of the receiver seem to work. I can use the tuner, select inputs, enable/disable surround modes, use the remote control, etc. Also, signal is present at the tape output during this time, but not at the preamp outputs. Once 20 minutes (or so) has passed, the audio almost suddenly starts playing. Whatever is wrong, it seems to be temperature related, as the "warm-up" time is shorter if I cycle power after the receiver has been on for a while. Has anyone seen similar behavior from this unit? Any tips as to what might be wrong? Does anyone have a schematic for this model? Thanks, Jeff |
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