Question about Crunch BLX5520 Car Audio Amplifier

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CD player looks like its working but no sound. Quit during Play.

I have a CRUNCH BLX 5520 with a Pioneer Premier DEH-P36 it was working fine until I forwarded to another song? Then the song played the first couple chords of that song and everything went Silent! The CD player and the radio mode look as though they are working on the display but no sound from any speaker. Can you recommend anything as far as trouble shooting? I live 80 miles from the nearest car audio services. and then there is only one in that town. Not many in entire state.THANKS I hope someone can HELP !
I NEED MUSIC TO DRIVE! THE SILENCE IS DRIVING ME CRAZY!

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  • Perry Babin May 11, 2010

    It sounds like the remote turn-on from the radio shut down or burned out. You need to disconnect everything from that lead and check the output with a multimeter. You should have essentially the same voltage on the yellow wire and the remote turn-on. If you do, reconnect the wires to the remote turn-on and measure the voltage again. If it drops to near 0 volts (instead of near the voltage on the yellow wire), something is dragging it down/overloading it.



    If there is essentially no voltage on the remote turn-on out of the head unit, it's burned out (or there is a blown fuse in the remote turn-on wire).



    If you have voltage on the remote turn-on wire, you have 12v on the amp's B+ terminal and have a good ground for the amp, the amp probably failed (or blew all of its fuses).



    If you have no voltage on the B+ terminal of the amp, the main power fuse may have blown. .

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HI...CHECK TO SEE IF THE AMP IS GETTING POWER (REM) POWER-----(AMP)POWER--GROUND,, CHECK FUSES BOTH OF THEM--....YOU MAY HAVE DONE THIS ALREADY--CHECK TO SEE IF THE RADIO FUSE IS OK (POWER)..THE DISPLAY CAN STILL WORK FINE BECAUSE THE RADIO HAS 2 FUSES 1 FOR (POWER) AND ONE FOR MEMORY(DISPLAY) HARD TO SAY WITH OUT LOOKING AT IT.... GOOD LUCK

Posted on Feb 21, 2009

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