Same thing happened on my R-925RDS. The memory backup capacitor in
this case is C322 on the front panel PCB, over on the far left hand
side by the mains power button.
In the case of the 925 it's a
0.047F 5.5V capacitor, a small black block approx. 10mm high with
10x5mm footprint. In the service manual it's referred to as 0.047uF,
but this is incorrect. Replaced it with a 0.1F 5.5V memory back up
capacitor, all's well.
If replacing the capacitor, BE CAREFUL
where you mount it! Putting a standard (round) backup capacitor in the
exact location of the old one may bring it very close to the mains
switch. What I did instead was mount mine about 2 inches closer to the
centre of the board, using double-sided tape, and ran wires back to its
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Re: Sherwood R 525 memory loss
I have a Sherwood R925 it lost all programmed inputs like that. It turned out to be a Memory Retention Capacitor that had failed. Look on the display board inside. They are often small and low value. If you are no good at repairs it would only cost less than 1.00 for the part, so worth repairing.
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Take the cover off and look at the cable that connects the tuner to the main board. Make sure it is connected straight and tight. Make sure all screws in the back are tight, just in case it is a grounding issue. Iff all checks out and you still have issues, replace your tuner.
I just got a tip from Sherwood tech support on resetting my Sherwood receiver, and it solved my problem perfectly. It's not the same model number but here's what I did: Put the receiver on Standby. Press and hold the Setup button for 3 seconds. When you see the model # on the display, press Enter. The word "Cleared" should show on the display. Hope it works for you also.
The receiver does have an in built memory to store upto 6 channels.Please follow the steps below to set up the radio memory:-
Up to six favorite radio stations (3 AM and 3 FM) may be stored
in memory. the following are steps to set radio memory:
1. Press tUnInG/bAnD to select the band.
2. turn tUnInG/bAnD to locate the desired station.
3. Press the M button. the "M" indicator flashes on the LCD Display.
4. Press 1, 2 or 3 to store the selected station.
5. Press the M button again to confirm.
6. repeat steps 1-5 to set other memory stations.
Incase you would require any information do refer the below web site where you could find picture representation of the same.
Thank you for your time and best wishes for your effort.
The Auto Muting mode mutes the audio output of the tuner if the station is not sufficciently strong to be accurately tuned. Otherwise you would hear all that interstation hash noise.
Press the FM Mode button to change it to Mono if you want to manually tune a hard-to-reach station. It will be in Mono.
AUTO MUTING Normally select this.
When a program is broadcast in stereo, you will hear stereo sound; when in monaural, you will hear monaural sound.
This mode is also useful to suppress static noise between stations. The AUTO MUTING indicator lights up on the display.
i own the same receiver with the same problem, but solved it according the following (german language) instuction with photos: http://ekkart.de/rauhesitten/?p=198 I changed the broken capacitor against a gold cap.
Check your antenna connections. Make sure your FM antenna is hooked up to the FM antenna terminal or jack on your Sherwood receiver. If you have the antenna hooked through the coaxial cable, check your coaxial cable with an ohmmeter for continuity. You can buy a volt-ohm meter as little as $12. Usually bad connection occur between coaxial cable and the the coax cable connectors. If that doesn't solve the problem, then there may be something wrong with your tuner card inside of your Sherwood receiver.
If you receivers display does not change channels or frequencies or AM or FM mode, when you try to change the channel or frequencies, or AM or FM mode, there may be something wrong with the front board of your receiver.
If there is something internally wrong your Sherwood receiver, you need to take it to a qualified technician that can fix it. Do not try to repair it yourself. If you don't know what you're doing, you can do far more damage to that Sherwood receiver to the point that would be very costly to repair.
Before you take your Sherwood receiver to a technician, try to unplug the receiver, and leave it unplugged for several minutes, and then plug it back in. If that doesn't solve the problem, then you need to take your Sherwood to a qualified technician.
If it is just a 2 pin "figure of 8" type plug(shaver plug) they are available most any electronics hobby shop, or an appliance retailer. If you have trouble identifying the socket on the amp... get back to me here. Good luck:)