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Tuner drifts- displays one station and recieves another

Sony MDX-c7900 in dash Minidisc. Regardless of what station I set it on the radio slowly changes stations as if someone was turning the knob on an analog tuner. Example: The display will continue to read 102.5 and I will hear 93.7 for a second or two, static, then 96.9, static, 102.5, static.... etc...

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Sony MiniDisc car stereo

It sounds like you have a newer portable minidisc player, and an older deck. There were several upgrades over the years for ATRAC files, and some of the newer recording formats are not compatible with older players.

Posted on Apr 23, 2008

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SOURCE: Car radio not working

take the front panel off. There is a reset button, bpress it with a pen or other pointy object and it will work again.

Posted on Jul 26, 2008

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SOURCE: 03 chev silverado radio on but no sound

My van radio runs on 2 different fuses- both in the fuse box under the dash. One runs the lights the other the sound. Hope this helps.

Posted on Jan 11, 2009

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SOURCE: Display / Clock display not working

SONY MHC-EX50

Het is al een paar weken verder, maar ik ben eruit: C161 en C162 (100uF/35V) in de voeding zijn slecht.
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wel 105 graden elco's gebruiken en hoger dan 35 volt, liefst 100v
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et gaat dus om een VFD (Vacuum Fluorescent Display) die geen gloeispanning krijgt. Het vervangen van C161 en C162 lost het probleem helemaal op.
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Radio: ST-EX100
Amp: TA-EX50
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Symptome=Tuner-Display zeigt nichts an, sonst Tuner OK.
Defekt=C161 und C162 (100µF,35 V) auf der Tunerplatine ersetzen.
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Wenn bei dem Sony-Tuner RDS EON ST-EX100 (z.B. zu der Anlage Sony MHC-EX5, aber auch MHC-EX 70) pünktlich eine Woche nach Ende der Garantiezeit die Beleuchtung im Display wegfällt und man deshalb leider keine Sender mehr programmieren kann, dann handelt es sich vermutlich um eine fiese Soll-Bruchstelle.

Auf der Platine des Tuners sind zwei Kondensatoren zu schwach ausgelegt und gehen zwangsweise früher oder später kaputt. Die Reparatur ist ganz einfach. Man kauft zwei neue Kondensatoren (100µF,35 V) - kosten nur ein paar Cent! - und besorgt sich einen Lötkolben. Dann schraubt man den Tuner auf, entfernt auf der Platine die Kondensatoren C161 und C162 (die sind namentlich gekennzeichnet) und ersetzt sie durch die neuen.

Posted on Jan 27, 2009

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SOURCE: I cant seem to set the display to stay put with one colour.

you have to go into the main menu of the cd player. find demo mode and hold your knob down for like 5 seconds should turn it off. not too shure about the demo mode in that particular cd player but that is how it is with kenwoods brand new........or look in your cd player owners manual and find the section on DEMO MODE then go through the steps to turn if off.

Posted on May 06, 2009

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My Denon Audio precision am fm DRa 435R Reciever will not stay on station very long. After about 30 or sometimes 45 minutes it get off station. I have it set to a local FM Station, 97.9 and it plays good...


OK,this is a fairly common problem with digital tuners, I get them from time to time in my shop, you see, what is happening is the voltage that's used to tune the set, usual;y stays rock solid, your device however is drifting off station due to this voltage changing, usually it is in the powers supply or the actual tuner itself. It can be bad capacitors, bad IC's, bad transistors, bad tuner module. Sometimes it maybe a "Dry Joint" too.
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You need to take this unit into a Denon repair center and ask for a "Quote" as to costings etc. Once appraised of that one can proceed from there?
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