I have a Kenwood KR-X1000 that will power up for about 10 seconds and then shut off. The clip light flashes when it does this. Any ideas?? Are there any free schematics or service manuals on the internet for this receiver?? Thanks!!
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Check the input / output connections are in the correct places. The red standby will stay on when the unit is off showing that it is ready for use. To confirm, turn the power off at the wall. The red light should go out after a few seconds.
These older tuner/amps have protection relays that when latching, are distinctly audible. Does the relay engage after approx. 10 seconds after turn-on? If not, check your speaker wires and/or speakers for issues. With all speakers (and wires) disconnected, the relay should still latch after turn-on. If not then you have an internal problem...likely a older pre-drive transistor that's bias is incorrect, which in turn causes bigger problems downstream.
You may need to reset the microprocessor, the ownersmanual describes this process as Turn the Receiver OFF,UNPLUG the POWER CORD from the elecrical outlet,PLUG the RECEIVER back into the outlet while PRESSING and HOLDING hte POWER ON button, continue to HOLD the POWER BUTTON for a Second or two, Hope this works for you, if not a CLIPPING problem could be the source only if you set up new speakers or input source. GOOD LUCK
if you sent 110v down the speaker wires & into the amp you most likely have damaged the audio outputs or the output ic. Look for a big aluminum heatsing & on one side you may find 1 or 2 ic's or numerous transistors, the ic's are hard to check, the transistors are easier to check, if transistors replace in pairs. also check for burnt /open resistors near outputs