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Re: Sanyo avm 2506 tv no sound
As It only makes noise when there is no signal (without an antenna).clearly indicates that there is a problem in sound IF SECTION or loose contact in that section.
your audio section section is ok as you get noise signal when there is no signal.
also check remote control setting.
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sound like a tuner problem. there is a resistor that goes to the tuner that could of went bad 39,000 ohms i think which should have a orange white orang strips around it and a gold. anyway there is a problem with tuner. Sanyo was good about haveing a problem with tuners in there smaller sets. If you do not know anything about how to repair you probly shoud take to a shop but the total cost might be high and not worth it in the long run. think before you jump still water runs deep.
if your tv has no AV IN AND OUT connections, purchase a converter from eletronic shops just around your area.
this will make you convert AV into RF signal and feed that to your tv. you have to go on a channel and search for right frequency the will search for you.
You'll need to keep your TV on channel 3 or 4 depending on what channel you set the converter box. All your channel changing will be done through the converter using its remote control after that. If you change channels on the TV itself and go off channel 3 or 4, the TV will not get a signal and will show you that "no signal" message.
You have a short somewhere causing the power supply not to start. Most likely a shorted horizontal output transistor and maybe a flyback transformer which caused the transistor to short. It would have to be checked out by a technician to find out exactly