Question about Audio Players & Recorders
As stated, subwoofer pops and has a static noise as soon as you turn it on. The speaker is jumping too, like you are putting actual voltage on it instead of watts. after about 4-5 minutes it calms down, but has very little volume, even with a cd player connected strait to it. can barely hear it. took the amplifier out and there is a blackened area on the board with the heat sink, but nothing appears to be bad. it is black at location r146, to c117, to d109, to r111, to r149 all around the area on the board where those components are located. please help? thank you
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Posted on Jan 02, 2017
SOURCE: 4 ohm and 8 ohm speakers
You can plug in higher ohm speakers , the higher the ohm the higher the resistance is, it is a danger when you plug lower ohm speakers into a higer ohm Amp , at a high volume that will cause them to blow , the center speaker would be fine to use a higer ohm speaker , your best choice is to buy a Active Subwoofer, which means the sub has it's own power supply , and u can blast the thing as much as u like , thn u can turn the bass down on all the other speaker's so u can play it louder , and have the sub turned up has high as u like , this is the best way to get great sound with high volume , buy a Active sub woofer , any active subwoofer is ok , a active sub woofer has its own volume and inputs on the speaker ,
Posted on Dec 09, 2007
I bought my VE-28s and it did exactly that crackled, cerwin replaced part in amp but few months later problem persisted. they then replaced entire amp assembly and its been fine. i really push it to and its been fine. to test it, unplug the connection from amp/ reciever and see if it persists. if so its the sub, if not its the amp/ reciever. dont dump it, these subs really crank and can put out some deep loud bass.
Posted on Mar 05, 2008
SOURCE: I believe an amplifier problem
I had a problem with no audio and I recently found the fix. When thesub still worked and you turn it on you hear one relay click and thenabout 5 seconds later a second relay clicks and the audio comes on. Theproblem I had lies with that second relay. When you take the case apartthere are 4 circuit boards. The big board with the two big bluecapacitors is the main board. Well next to the two blue capacitors is ablue relay. That relay had a pin that came un-soldered from the circuitboard. I re-soldered that pin and the sub works just like new. If yougo here http://www.eserviceinfo.com/downloadsm/20627/sony_sawm500.htmlyou can find a free service manual that has the wiring schematics forthe amp. Hope this helps!
Posted on Jul 13, 2008
SOURCE: Subwoofer Line In/Out Mix-up
I had a problem with no audio and I recently found the fix. When the sub still worked and you turn it on you hear one relay click and then about 5 seconds later a second relay clicks and the audio comes on. The problem I had lies with that second relay. When you take the case apart there are 4 circuit boards. The big board with the two big blue capacitors is the main board. Well next to the two blue capacitors is a blue relay. That relay had a pin that came un-soldered from the circuit board. I re-soldered that pin and the sub works just like new. If you go here http://www.eserviceinfo.com/downloadsm/20627/sony_sawm500.html you can find a free service manual that has the wiring schematics for the amp. Hope this helps!
Posted on Jul 13, 2008
make sure you have the speaker connection right if you do then it is a ground problem try plugging it in a different outlet
Posted on Dec 16, 2008
Tips for a great answer:
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That might be the woofer itself in the subwoofer, or the ampliifer.
5 year warranty on the woofer, one year on the electronics.
The woofer can be removed and checked; it should be about 3.4 ohms DCR.
To find the authorized Harman kardon service center in your area:
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