Question about JVC Televison & Video

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My JVC DD8 starts, no sound, and the unit does not switch to an other source.

The powersupply is OK. I think a malfunction on the control board.

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If the standby light is ON, and the set does not start up. the main board to it is faulty. anyway; try a reset to this set, before replacing the main board. There are two types of reset to TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight; will be better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.

Posted on Dec 08, 2014

Testimonial: "Hello, it is not a television it's a multimedia system. Main module and 5 speakers. I've seen on the schematics of the mainmodule that there is a standard reset system. But the drawing is a bit different from what I have."

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Hi maike, this is AP!

Often when a product does not start I would recommend starting with the power source such as the breaker feeding power to the dryer. There are two house fuses that supply voltage to the dryer circuit in your fuse box. Check and replace the fuse in the fuse box if necessary. If the house has circuit breakers, there may be two breakers with switches that supply voltage to the dryer and if one is tripped the dryer may turn but will not heat.
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