Question about Jenn-Air 27 in. Electric Single Wall Oven with Multi-Mode Convection

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Jenn-Air JJW8530 LCD panel does not light up

My Jenn-Air JJW8530 wall oven control panel does not light up. The interior oven light works fine and the oven temperature seems to be fine. However, I cannot see the display panel.

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BrianGem posted a great solution back in May of '08, I just completed that fix on my own Jenn air, took me about 30 minutes once I got the correct capacitor.
The display board apparently has a weak spot in the
design, most likely heat related, (probably low priced components from offshore sources)
Fix: Replace heat damaged capacitor labeled C3 on display board, Hard part will be obtaining the 35Volt 68uF capacitor, I'm lucky enough to have a Brother in the electronics design field who found me a couple of high reliability caps designed for hot applications, He does not recommend changing sizes without design review for fear of overloading another component, however several other posts have indicated that a 35V 100mF cap has worked fine for them.

TURN OFF POWER TO OVEN PRIOR TO STARTING ANY REPAIRS.
My control panel was attached to the oven with 4 screws accessed from above the top oven door, the panel slid up about 1/2 " and lifted off, Unplug the ribbon cables and the panel can be removed to a convenient work surface. The display board itself is mounted with 4 screws and connected with a wide flat ribbon cable, the suspect capacitor is surface mounted to the reverse side of the board, two plastic clips need to be released (gently) and the ribbon cable unplugged. Capacitor is likely discolored or leaking, Using as small a soldering iron as you can find De-solder it and replace with new, match polarity marks and don’t use any more solder than needed.
If you run into trouble drop me an e-mail to dltatsjc@aol.com and I’ll try to help.
Good luck.
Thanks for this site..

Link to Photo sequence of capacitor replacement (Captions still will not link):
http://picasaweb.google.com/dltatsjc/Photos?authkey=Gv1sRgCJPKv9CRgsXxNA

Posted on Oct 12, 2009

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  • 310 Answers

This could be a problem in the control board or the main power-relay board. If you can have these removed and sent to us, we can repair them. www.fixyourboard.com

Posted on Oct 08, 2009

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