Miata Mailing List: February 1996, Message #131
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   From: "David W. Thompson" <102002.3300@compuserve.com>
Subject: Radio On/Off Problem
   Date: Fri, 2 Feb 1996 22:04:21 -0500

I've seen several discourses regarding a problem with the stock AM/FM radio in
the miata not always turning on.  One solution forwarded to correct this was to
insert a jumper OR a resistor between terminals 11 and 5 of the CD player
connector on the head unit.  The original solution had not been tested on a
setup with the "Mazda" (Panasonic) CD player.

My radio started acting up a few months ago; the CD player being in place does
not prevent this problem.  Since I and could not install the wire jumper and
still be able to plug in the CD player, I took things one step further.

1)  Remove the screw holding the top plate of the head unit (in center) and the
two on either side of the heat sink/amplifier assembly.

2)  Carefully remove the heat sink/amplifier (all of the connectors are part of
this assembly.

3)  Solder a 10K resistor between terminals 11 and 5 on the circuit board side;
steady hand is required, neatness counts.

4)  Reverse steps 1 and 2

Later.

David Thompson, 102002.3300@compuserve.com