Compact stereo keeps blowing fuses.
#1
Compact stereo keeps blowing fuses.
I have a Sony LBT-G3100 that is giving me problems. It was purchased back in the summer of 2001 used for around $280.00US. Well I havent had any problems with it, but recently noticed a flash inside the unit. (fuse blowing) I went out and purchased some new fuses but it eats them up like popcorn, they blow as soon as I plug it in.
I'm suspecting the power section to have gone in it and was wondering if this could be the source of the problem, also where might I track down a replacement?
Here are some pics:
http://members.willinet.net/cgh/Stereo_power.jpg
http://members.willinet.net/cgh/Stereo_power_close.jpg
http://members.willinet.net/cgh/Stereo_power_wide.jpg
http://members.willinet.net/cgh/Stereo_wide.jpg
I'm suspecting the power section to have gone in it and was wondering if this could be the source of the problem, also where might I track down a replacement?
Here are some pics:
http://members.willinet.net/cgh/Stereo_power.jpg
http://members.willinet.net/cgh/Stereo_power_close.jpg
http://members.willinet.net/cgh/Stereo_power_wide.jpg
http://members.willinet.net/cgh/Stereo_wide.jpg
#3
Sounds like there is a short between the hot and netral, a short within the transformer coils or even shorted diodes in the rectifier. Without the circuit it is difficult to say but most well designed power supplies would have a bypass transistor in series at the output of the power supply. This will shut down in the even of an overload at the output of the PSU (if a short occurs on the main circuit board for example) without blowing any fuses .
If you know how to read and troubleshoot electronics your best option would be to get hold of the circuit diagram and do some troubleshooting with a multimeter. Since you are not troubleshooting the signal path you don't need any complex intruments like scopes.
If you know how to read and troubleshoot electronics your best option would be to get hold of the circuit diagram and do some troubleshooting with a multimeter. Since you are not troubleshooting the signal path you don't need any complex intruments like scopes.