Question about Sherwood RVD-8090R Receiver

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Losing settings on Sherwood Rvd-8090r when power is lost

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Posted on Jan 02, 2017

SOURCE: no power

my be the off/on bottom is not good.no working.

Posted on Aug 05, 2007

technical114
  • 1851 Answers

SOURCE: i would like a manual

Here is an official link for you to download the requested user manual. Note that the user manual for RVD6090 and RVD 6095 are the same, according to the Sherwood USA (take a look at this link, at the Discontinued Models you can locate the same manual for both devices)

In case of a problem or clarification or further details needed, don't hesitate to post me a reply before rejecting my answer.
If you are satisfied, rate my solution with the "thumbs" or (even better) add a testimonial.

Thanks and regards
Please kindly rate this solution
Stelios
direct fixya link: http://www.fixya.com/users/technical114

Posted on May 10, 2011

AJIN G
  • 6694 Answers

SOURCE: When powering up the Sherwood

hi,
First of all remove all the speaker connections from the amplifier. After that power the amplifier and check that it gose to standby again ( protect show) or not . if not, then any of the speaker is damaged. If then also it shows protect you have to check the amplifiers hardware.

AV receivers shows protect mode , when there is a hardware fault in side it. Its a warning that some thing is wrong.
Normally AV receivers show this when any of the output amplifier have some problem. there are five amplifiers in this AV receiver. This problem occur when the output diver transistors of any of the amplifier become shorted. if the output transistor get shorted this will lead to flow of current through the speakers. To prevent this there is a protection circuit for each channels. One combined output of this protection circuit is connected to the system control. when the any of the output amplifier fails, the protection circuit detects it and switch of the speaker and sent data to the system control. when the system control get this data it will give a warning to the customer through display that PROTECT.
You have to check the amplifier.
For that you need digital multimeter,soledring iron screwdrivers etc
Open the amplifier , then power it on. connect the negative terminal of the multimeter any where in the chase( metal body of the amplifer). then connect the positive terminal to all the output transistors emitter pin one by one . the voltage should be bellow 0.5V. If any of the emitter of the transistor shows voltage more than 0.5V., then that amplifier stage is faulty. Remove the transistors and check it. if it is shot then replace with a new one.
after replacing the transistors do not power up the amplifier directly from the main. You have to put a bulb of 60 watts in serial.
You can do this easily remove the mains fuse. put the bulb in a holder. now you have to wire from the holder. connect one of it to the one end of the fuse holder and the other wire to the other end of the fuse holder. Why using a bulb is, if there is any further problem in the amplifier stage on which the transistors replaced, there is a possibility of the new transistor get damage. if we use a bulb in serial with its mains supply ,when any overload in the amplifier occur the bulb will drop the current, by lighting itself.
After connecting the bulb in serious power on the amplifier. watch the bulb. It should light for one or two second and go dim . if so check the display, is there is protect mode is on or not . if not and come back to normal operation ,then remove the power , remove the bulb insert fuse and check
connect the power and check.
If the bulb shows bright light then there is some component also faulty in the same amplifier. after removing the power you have to check again the amplifier stage of which the transistor is replaced, for any other faulty components.
ok

Posted on Aug 11, 2011

AJIN G
  • 6694 Answers

SOURCE: i need user manual for a sherwood RVD-9090RDS

hi,
I have the user manual for sherwood RVD-9090RDS with me. As it is pdf file i can't sent the same through the Fixya. If you can provide your email id then i will sent the same to you email address.
OK

Posted on Sep 11, 2011

Testimonial: "Hi thank so much for your reply thats grate my email address is terry.ireson@yahoo.co.uk And thank you again Terry "

  • 40804 Answers

SOURCE: Can you send me a PDF file of service manual of Sherwood rvd-8090r? Thanks.

no
you get by googling the information in the search engine

Posted on Mar 27, 2017

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1 Answer

Sherwood RVD 6095rds Hi. After a short while of about 20 minutes. My speakers cuttout like they are losing connection. Next I hear some loud pops from the speakers. And it resets itself to standby.


Sounds like DC leakage....pre-drive and/or output transistors (or IC) becoming intermittent often pass DC voltages to the speakers. The "pops" you hear are these DC pulses being passed to the speakers and the "cutout" is the protection circuitry doing its job...protecting the speakers. Speakers want AC voltages...plus voltages moving the cone in one direction, and a negative voltage moving it in the opposite direction. DC voltages push the speaker cones in a single direction and hold it there until it fails. The bad news...it's repair shop time.

Mar 29, 2015 | Sherwood Audio Players & Recorders

1 Answer

I need user manual for a sherwood RVD-9090RDS


hi,
I have the user manual for sherwood RVD-9090RDS with me. As it is pdf file i can't sent the same through the Fixya. If you can provide your email id then i will sent the same to you email address.
OK

Sep 11, 2011 | Sherwood RVD-8090R Receiver

2 Answers

I would like a manual for a sherwood rvd 6095 rds please


Here is an official link for you to download the requested user manual. Note that the user manual for RVD6090 and RVD 6095 are the same, according to the Sherwood USA (take a look at this link, at the Discontinued Models you can locate the same manual for both devices)

In case of a problem or clarification or further details needed, don't hesitate to post me a reply before rejecting my answer.
If you are satisfied, rate my solution with the "thumbs" or (even better) add a testimonial.

Thanks and regards
Please kindly rate this solution
Stelios
direct fixya link: http://www.fixya.com/users/technical114

May 10, 2011 | Sherwood Audio Players & Recorders

2 Answers

The sub-woofer output on the receiver is not working. I have tested the sub-woofer (speaker) and it works. And I have tested the cables and they work. The problem lies within the receiver. How can I fix...


I don't have the manual, but if YOU do, crack it open and find the part where you tell the receiver it HAS a subwoofer and any other settings that direct bass toward it.

Apr 18, 2010 | Sherwood RVD-8090R Receiver

1 Answer

Front-Right Speaker Not Working


I would have a look inside, it might be a bad soldering joint that got disturbed in the move. When you get inside follow the wires from the Front-Right terminal.

Apr 05, 2010 | Sherwood RVD-8090R Receiver

1 Answer

Sherwood RVD-9090R Left Rear Channel Failure


its due to your player there is nothing wrong with fuse... don't crack the case...try this just connect M1 & M2 to the aux input of your home theater

May 23, 2009 | Sherwood RVD-9090R

1 Answer

No High Voltage


I did solve the problem with the Sherwood receiver R6036-R
The problem was a broken solder Trace towards the power cord on the powersupply board.

Thanks for your concern

May 30, 2008 | Sherwood RVD-6095R Receiver

1 Answer

No power


my be the off/on bottom is not good.no working.

Jul 28, 2007 | Sherwood RVD-6095R Receiver

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