Re: Panasonic SA-PT860 Stuck in Standby

I worked out the last part. On CN5802 shorting Am_BP with Sys6v resulted in coming out of standby.

Re: Panasonic SA-PT860 Stuck in Standby

I was wondering if there's anyway to bypass the standby? Kind of like short it somewhere so if all else is good it will start?

Re: Panasonic SA-PT860 Stuck in Standby

Seems that the 6v is making it to the main board.

Re: Panasonic SA-PT860 Stuck in Standby

Just to check I understand you correctly. The 6v line gives standby power to the main board which makes sure all conditions are met, such as no faults for instance. It then turns on the actual power at the power boards to run the rest of the hardware?

Re: Panasonic SA-PT860 Stuck in Standby

Thank you so much for your help so far. I tested and it has 6 volts. I assume I'd follow that line further along and see if there's a loss? I've found some other information on the Internet and will see if I find something until you get back to me with where else to look. If anything turns up that doesn't seem right I'll run it by you.

Re: Panasonic SA-PT860 Stuck in Standby

Thank you for your reply. I'm not 100 percent sure where I was supposed to test. I had a Google and a look through the manual. I tested at the switching regulator. It has 2 apparently. Both read at 0. As I was looking around I found what may be burnt connections and it appears the display screen may have burnt out too. I'd like to have your opinion on the former. I'll attach a photo. Thanks again....

Hi, I've decided to try and take on a project. Probably not the best for a beginner but figure I might learn something.

As in the title I have a surround sound system that was stored for some time and when it was checked to see if it worked before it was given to me it would't turn on.

There is a red light indicating it has AC power but is completely unresponsive. I cracked it open to see if there was anything visually wrong with it, there was nothing I could see.

However, on the SMPS P.C.B i can here a high pitched tune/whistle coming from what I suspect...

Re: New Members - please post your introductions here

Hey, looking to extend my knowledge with any projects that come up. This is a very informative forum and has helped me before. Cheers.