I have a AV3801 about 5 years old first i had very good sound and then after while start blowing my polk spekers almost 5 or 6 time till i am out of warranty i bougth new speakers but i don't have nice clear surround sound i am wondering if any thing wrong with my receiver
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It sounds like you should be able to find a replacement antenna from any of your local electronics retailers, such as Best Buy, Radio Shack, etc. I would take your old antenna with you when you go to look for a replacement, though, to make sure that the plug that is on the end of the new antenna looks exactly like the plug on the old antenna, to be sure that it'll work for your needs.
You don't name the electronics, which can be the source of the problem. See #3.
1. If you suspect the cable why don't you just swap in another RCA cable? BTW: there's no such thing as a "subwoofer" cable. Monster makes their money on those beliefs. Cables don't wear out but they can go bad if one or more conductors fails. Oxides devolp at either end which can inhibit conductivity. Remove each end and reinsert it with a twisting motion.
2. Maybe. You need to ensure the sub is defined. Run speaker level check. If no sound at the sub, prove the LFE/sub channel has output by running the RCA cable to a recorder or your TV (low volume). If there's no signal, duh, no speaker will work with it.
3. Mmm, not if it's exhibiting the same problem as the old one and the Polk 450. Have you looked at the setting of the Standby/Auto/On Switch? And the Power Mode LED's? Red is bad.
Sure you can only connect 2 speakers. As for brand recommendation Polk audio makes some fine sounding speakers also Klipsch, Boston acoustics, too many to suggest. If you have a Best Buy near you they usually have a speaker room with many different brands that you can listen to. Though that doesn't mean you have to buy them their. I'm partial to Polk audio though. Polk has excellent customer service. That's going to be a tough decision you should really do some research on the internet for cost to quality references. Good luck. I hope this gets you pointed in the right direction.
Onkyo offers access to manuals at their web site. HERE is a link to the receiver line.
Personally, I'd connect the speakers to main left/right. The subwoofer to subwoofer out. The Go VIdeo unit to VCR/Video 1, the cable box to Video 2 and the video output to the Sony TV composite input. No need to connect the TV audio out to the receiver since the audio feed comes from the cable box.
you almost have the exact same situation i am in. i have the same receiver, and going to purchase a panasonic 50" (th50px75u). i think what i will be doing is running a hdmi from my hd cable box to my tv, and installing an audio cable (red/white) from my tv to the receiver. i believe there is an audio input below the hdmi insert. i have polk audio, but theyare about 10 years old, they sound great, but just too large....and may be purchasing a harman kardon system. which models do you have from polk? i have the rt16's, cs350ls center, and fx/500 rears. let me know what you have come up with as well...as it has been a while since you posted this.
Sorry to burst your bubble my freind but things do wear out as you had plenty of life out of this unit.. Your problem is a transistor or a driver IC is breaking down under a load and heat and will get worse to where you wont be able to use the unit.. It will probable cost you in a range of 200 bucks or .more!as there is no quick fix for a solid state unit that has no user serviceable parts inside. Its just not replacing the bad part , its the hooking up to the load resistors then seeing that several other parts are not up par and having to start rebuilding the amp statges of your reciver.. If its more then 8 years old Time to landfill it and get a new one .. Put it to rest. It dosent owe you anything as its been loyal to you all these years!! Good Luck