Question about JVC RV-B90 Boombox

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Remote control Hello ,please help me , some buttons on remote control RM - RX VB90E (remote control for JVC RV-B90 Boombox ) do not work. I tried to clean printed contacts below buttons and it is little better, but volume and bass boost still do not work. Tell me what can I do to fix it ?

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You need to resurface the contacts. Here's how you do it:
First, disassemble the remote. Clean the black foil pads on the circuit board with rubbing alcohol. Now take a #2 pencil and a razor and shave the graphite from the "lead" onto a piece of paper (hold the blade perpendicular to the lead, this results in a finer powder). Now that you have a nice pile of powdered graphite, blot a Q-Tip into it to saturate the cotton with graphite. Rub the graphite onto the little black pads on the rubber button membrane, and be sure to apply more graphite to the Q-Tip every 2 to 3 buttons. Blow off any excess graphite. reassemble remote and test.

Posted on Aug 04, 2008


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