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Re: left rear speaker 700 1988

posted by  someone claiming to be L K Tucker on  Sat May 26 16:31 CST 2001 [RELATED]

/// Have some one turn the radio on while you listen at the speaker. If you hear a pop when the power is turned on there is nothing wrong with the speaker, the wire to the speaker or the output of the amplifier.

It is possible for the fader control to be open and you might (repeat might) be able to spray it with control cleaner. If it is cracked on one side spray will not help.

If you have a high power separate amp the shielded wire to the amp may have contact, solder, or break problems.

Without having a block diagram or schematic it is hard to just guess.

Repost if you do not find the trouble. You did check the plug from the final radio/amp to the speaker for corrosion or pull out, right? A powered circuit continuity tester, battery and bulb, can be used to check the wire and speaker from the rear of the radio. Disconnect the radio and just scratch the tester across the two speaker wires, briefly, very, very, briefly. You should hear a sound as the weak DC current causes the speaker to sound.

DO NOT USE A LARGE BULB TESTER AND DO NOT LEAVE IT CONNECTED TO THE SPEAKER WIRES. I have used just an AA cell but I have a lot of practice.





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