Question about JVC KD-S890 CD Player
All connections have been thoroughly checked.....deck is receiving full power. Ideas?
If radio stays on at low or no volume and cuts out when turning up you may have your battery backup voltage (yellow wire) droping below 10v under signal load. There is a circuit called backup check in radio that moniters Voltage It may seem ok when measuring without volume but under load it will fluctuate with the audio. Try hooking up Heavy guage Ground and Backup battery wires to prevent voltage loss across wires under load. Also check for any speaker that may not be producing proper sound when and if you can get radio working Disconnect wires to that speaker to see if radio will stay on. Just a couple of many possibilities.
Posted on Jan 13, 2008
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try connecting the red and yellow together, and to a 12 volt source. that should deffinately get power to the head unit.
check the fuse under the big connector on the back.
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