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My Sony STR-D915 receiver is supposed to keep its radio station presets for up to a week during a power interruption, but even a short power outage causes all presets to be lost. Is there a battery inside or something else that I can replace to fix this annoying problem?

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Sony STR-AV770 AM/FM Tuning

If your going to buy an antenna you could do some research at cccrane.com. They might be able to help you with the other problem too.

Posted on May 15, 2008

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SOURCE: Sony STR-DE445 protect displayed

It sounds like a bad solder connection. It just needs to be soldered up, if you take it into a shop just tell them it doesn't need any new parts, it just needs to be soldered up.

Or, if you can solder it yourself, or know someone that can, that would be much easier.

Posted on Aug 28, 2008

renosean
  • 492 Answers

SOURCE: receiver goes into protector mode

Nope, power supply it would not even power up.  The capacitors are fried

Posted on Jan 04, 2009

  • 382 Answers

SOURCE: Harman Kardon HK 3270. The receiver looses the

I believe it is actually a memory capacitor that has to be replaced. It is soldered directly into the board and requires quite a bit of know-how to replace.

Hope this helps,

Thanks,

Posted on Jan 20, 2010

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1 Answer

How do i reset a sony STR-K740P receiver??? - Sony Str-k740p Radio Receiver


Tuner reset
You can change the AM tuning scale to 9 KHz or 10 KHz. After tuning in any AM station turn off the receiver. Hold down the Preset tuning + and - ve together.
All preset stations will be erased when you change the tuning scale. To reset the scale to 10 kHz (or 9 kHz), repeat the procedure. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/

Dec 12, 2016 | Sony Audio Players & Recorders

1 Answer

How do I do a factory reset on Sony STR-DA3300ES receiver when the published method in the manual doesn't work?


While holding down TUNING MODE, press POWER on the receiver. All preset stations will be erased when you change
the tuning scale.

See some test modes

MEMORY CLEARING MODE
All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While pressing the [TONE MODE] and [DMPORT] buttons, press
the [POWER] button to turn on the main power.
2. The message "MEMORY CLEARING***" appears and the
memories are reset to the default values.
3. When done, the message "MEMORY CLEARED*"

If you are a geek then try the SUPER MENU MODE .
Understand how to enter and exit the menu,
then See if Super reset on page 25 helps

Sony STR DA3300ES Service Manual Page 25

Oct 07, 2016 | Sony STR-DA3300ES

1 Answer

The following buttons not functioning on the unit: memory, preset tuning and tuning +/-


it probably the button got stuck that's why it does not allow you to switch any other station remplace the butons that will probably resolve the issue.

Nov 27, 2013 | Sony STR-DE497 Receiver

1 Answer

My Sony STR DE875 receiver stops working (playing a FM radio station) after operating just fine. After a few minutes, the receiver produces sounds again. This receiver is on most of the day and the...


It's not a short - it's more like a cold solder connection. Poke the circuit board with a non-conductive tools and locate the open solder connection while the unit is powered up.

Dec 26, 2010 | Audio Players & Recorders

1 Answer

Is there an internal battery on the STR-DE345 Sony receiver for the pre-sets? Can it be replaced if there is. Receiver no longer holds pre-sets when there is a power outage.


There is no battery to replace to hold preset channels. The preset channels are held by a charged capacitor to maintain the nominal voltage level to the PLL (phase lock loop) tuner. The capacitor can only hold the charge for a few hours, and then it will slowly discharge - for like a short power outage.

Dec 24, 2010 | Sony STR-DE345 Receiver

1 Answer

How do I preset radio stations?


PRESET RADIO STATIONS
1 press RADIO BAND. AUTO PRESET to select the band.
2 Hold down RADIO BAND > AUTO PRESET for 2 seconds until "AUTO"flashes in the display
3 Press DSPL/ENT/MEM. The stations are stored in the memory from the lower frequencies to the higher ones.

if a station can not be preset automatically.
you need to preset a station manually.
1 press RADIO BAND. AUTO PRESET to select the band.
2 tune int he station you want.
3 hold down DSPL/ENT/MEM. for 2 seconds until the preset number flashes in the display.
4 press PRESET + or - until the preset number you watn for the station flashes in the display.
5 press DSPL/ENT/MEM. The new station replaces any old one.

TIP the preset radio stations remain in memory even when all power is disconnected.

manual available at sony
http://www.docs.sony.com/release/CFDF10.pdf


Jan 01, 2010 | Sony CFD-F10 Radio/Cassette/CD Boombox

1 Answer

Pioneer premier deh-500ub presetting stations


Storing the strongest broadcast
frequencies
BSM (best stations memory) lets you automatically
store the six strongest broadcast frequencies.
1 Use MULTI-CONTROL to select BSM in
the function menu.
2 Press MULTI-CONTROL to turn BSM on.
The six strongest broadcast frequencies are
stored in the order of their signal strength.
# To cancel, press MULTI-CONTROL again.
Tuning in strong signals
Local seek tuning lets you tune in only those
radio stations with sufficiently strong signals
for good reception.
% Press LOCAL repeatedly to select the
desired setting.
FM: OFF—LEVEL1—LEVEL2—LEVEL3—
LEVEL4
MW/LW: OFF—LEVEL1—LEVEL2
The LEVEL4 setting allows reception of only
the strongest stations, while lower settings let
you receive progressively weaker stations.

You can also perform this operation in the menu
that appears by using MULTI-CONTROL.
Selecting alternative frequencies
When the tuner cannot get a good reception,
the unit automatically searches for a different
station in the same network.
1 Use MULTI-CONTROL to select AF in the
function menu.
2 Press MULTI-CONTROL to turn AF on.
# To turn off, press MULTI-CONTROL again.

! Only RDS stations are tuned in during seek
tuning or BSM when AF is on.
! When you recall a preset station, the tuner
may update the preset station with a new frequency
from the station’s AF list. No preset
number appears on the display if the RDS
data for the station received differs from that
of the originally stored station.
! During AF search, sound may be temporarily
interrupted.
! AF can be turned on or off independently for
each FM band.

Apr 20, 2009 | Car Audio & Video

1 Answer

2003 Lexus ES300 How does one save Radio Statio presets? Going to the station and holding the button to save does not work.


Holding the button is supposed to work. This from owner's manual: PRESETTING A STATION:
  1. Tune in the desired station.
  2. Push one of the station selector buttons (1-6) and hold it until a beep is heard. This sets the station to the button and the button number (1-6) appears on the display.
Each button can store one AM station and two FM stations. To change the preset station to a different one, follow the same procedure. The preset station memory is cancelled when the power source is interrupted by battery disconnection or a blown fuse.

Jan 08, 2009 | 2003 Lexus ES 300

1 Answer

Direct tuning


Unfortunately, according to the manual you can not directly tune a station.

Dowload the manual here:
http://esupport.sony.com/US/perl/model-find.pl?mdl=STR-DA90ESG
and go to page 50.

Oct 23, 2008 | Sony STR-DA90ESG

1 Answer

Power On Displays Flashing "Protected"


The audio amplifier IC´s are on short circuit.

Jun 15, 2008 | Sony STR-DE535 Receiver

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