Question about Rotel RMB-1095 Power Amplifier

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Rotel Amp center channel out

Hi. I recently set up a home theater audio system that has a Rotel THX Amplifier. When the amp starts up it has a diagnostic panelon the front that shows status for left, right and center channel checks. I was testing it with a DVD and noticed no center channel sound was coming out. I checked the speaker wiring and turned the sysytem back on. It was then that I noticed the diagnostic light for the center channel was out. Just wondering if this thing is ready for the repair shop, or if there is something else I can do to reset it. Thanks.

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  • jesperc Nov 21, 2007

    Hi - I have just installed my t753 NAD reciever. And my ASW 608 B&W subwoofer. i cannot get any sound in my subw. in the speaker setting i set subw to on. i have 1 cabel from subw channel 1 on the reciever to the subw.



    Help



    Jesper Carlsen

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Also make sure you have the DVD setup for center channel as well. It and the subwoofer can be disabled in most DVD players. BMW

Posted on May 27, 2006

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If you say you checked the wireing ,did you check the speaker. disconnect on of the other speakers and connect up the center to see if you get sound. still no sound speakers bad. Got sound try unpluging unit for a couple of hours then try it again. still no center . Time for the repair shop. Good Luck

Posted on May 26, 2006

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Posted on Jan 02, 2017

Duncan
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SOURCE: Rotel RA 9808X Amplifier

I'd suspect that one of the two output transistors on that channel has gone bad. If you are unsure how to test or troubleshoot this, then you might try replace both the NPN and PNP outputs and catch the bad one that way. If your amp uses an output module then you would of course have to replace the module which would replace all the output transistors on both channels. Good luck. Another thing to look out for, is the emitter bias resistors. They are the large white ceramic ones near the outputs. Sometimes one of those will open up too. They will be of a very small resistance value like .5 ohms (point five ohms) or something in that general ballpark, and have a wattage value of typicaly 5 watts. So they are pretty big resistors. Be sure to check them all even if you do find a bad output transistor. They will often go out with the transistor. Good luck.

Posted on Jan 18, 2007

  • 1 Answer

SOURCE: Rotel rx 1050...Not working

If you are not using the 12v trigger between pre-amp and power amp make sure that the trigger switch on the rear of the RB-1070 is set to off

Posted on Feb 12, 2008

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SOURCE: Rotel RMB-1095 Power Amplifier Problem

Sounds like wiring problems. Unhook everything, then get owners manual for proper instruction

Posted on Apr 17, 2008

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1 Answer

I have a pioneer XV-DV55 and the center speaker and Left and Right rear speaker are not working. What should i do?


Did you check your speaker selection switch to make sure that those units are getting power? If that is not it I am afraid that you may have a problem with the dts audio chip responsible for the decoding of the different channels ..I had this happen with my Pioneer 9700 receiver.
If you have an amplifier module that powers certain channels see if there is an amp module that powers those three areas. If so, it could be THAT amp module that is defective since lots of newer receivers do not have discrete amps for each channel and resort to modules to supply power to two or three channels at a time ala Panasonic receivers.

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Audio problems


Click the link below for manual pages I mention to make changes:

http://www.harmankardon.com/resources/Brands/harmankardon/Products/ProductRelatedDocuments/en-US/OwnersManual/AVR1700_OM_EN.pdf

Most dialog sound comes from the center channel / speaker. If not working correctly, it make become difficult to hear people talking especially if there is a lot of other sound going on in movies and some music, too.

Check and adjust the volume level for the center channel or speaker. Check page 8 of the manual to learn how to use the remote to change the volume level of individual channels or speakers.

If you want, you may find it is a good idea to check page 17 to esablish correct volume levels for each channel by runnijng the set up with the microphone. This will allow the system to be "calibrated" for the room. This is a very important step in "getting the sound right".

If none of these suggestions work, you may have a problem with the center speaker itself - or with the amplifier for the center channel.

I hope this helps & good luck!

Check the speaker connections for the center channel. Page 6 shows the location on the rear of the amplifier - but check the speaker itself first as it is easier to get to and the rear of the amp is less likely to be distrubed and have a poor connection.

Dec 13, 2012 | Harmon Kardon Harman Kardon - Avr 1700...

2 Answers

I just bousght a martin ash home thearer ..how can i conect the bass??


I bought one last night i think its a fake.... doesn't even have instructions. If u figure this out let me know. But i just look up the site called the white van scam... i bought it from some guys in a white truck. And it sounds just like wat they sold me with the same canvas

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1 Answer

We can't hear spoken audio on our recent dvds (movies), only the music. Some of the the older movies are fine.


Your center channel speaker is not working. In modern 5.1 movies dialogue only comes from the center channel. Older movies were stereo/mono so the dialogue would come from both the front speakers.
See if the speaker wires are intact and not loose. After that to confirm if the speaker is OK or defective exchange the center speaker with one of the working ones.If the center speaker does not produce sound, you will have to replace it. But if it works, that would mean that your center channel amplifier is not working & for that you will need professional help.
CHECK CABLES FIRST FOR LOOSE CONTACTS.

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1 Answer

Purchased an rca home theater pkg in 1994. recently moved to new location, now amp display is stuck on "wait". cd player appears to be working, but no sound. 135 watt hi-fi audio amplifier...


There are some worn out capacitors in the power supply. Most can be visually detected by looking at the tops of the round metal cans. If they are not flat on top, then it needs to be replaced.

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1 Answer

I just bought a Samsung HD LCD 32 in TV and want to play it through my Home Theatre System. I set the TV to external speakers, put the HTS in aux mode, but I don't get sound. My old Samsung SDTV would...


If you do not have a manual for the machine down load one at http://www.samsung.com/us/support/downloads/LN32B460B2D

It will show you how to set up a Home Theater Connection

Connecting an Amplifier / DVD Home Theater

TV Rear Panel

1 Audio Cable (Not supplied)

Amplifier/DVD Home Theater

1 Connect Audio Cables between the

AUDIO OUT [R-AUDIO-L] jacks on

the TV and Audio Input jacks on the

Amplifier / DVD Home Theater.

When an audio amplifier is connected

to the AUDIO OUT [R-AUDIO-L]

jacks: Decrease the volume of the TV

and adjust the volume level with the

Amplifier's volume control.

Each Amplifier/DVD Home Theater has

a different back panel configuration.

When connecting an Amplifier/DVD

Home Theater, match the color of the

connection terminal to the cable.

?

?
?

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1 Answer

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Need to get more granular on this, Does the volume work HT remote, for like radio, cd, ipod audio? For you to use the tv audio through the HTB the tv's audio settings should be on the "fixed" output option. This gives a line level to the Amp independant of the tvs volume adhjustment. Otherwise you will need to adjust tvs volume 75% or so before the audio amp will reproduce a good volume. Turn down audio amp prior to making any adjustments. Let me know thx

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