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NAD 7100 with Tuner damage.

Repairing a NAD 7100 with Tuner damage. At first stations could be selected in FM and AM but no audio came out, not even static (white noise), but after re soldering, now its worst. When the FM and AM buttons are pushed the LED lights up for a moment then goes out and the freq is not displayed. Everything else works ok. Voltages for the tuner section seems to be ok, thou I don't have an schematic to be sure. Any help will be appreciated.

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I have a similar problem only tuner is ok, just wont store channels (led doesn't stay on for all but one green bank storage positions) cct and manual at http://www.mediafire.com/file/t24c3ybwn9x01xm/NAD_7100.pdf

Posted on Nov 16, 2012

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Go here and you will find what you seek
http://www.digitalpenandink.com/Pholio/Pholio20.htm

Posted on Apr 22, 2009

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1 Answer

I can't get my tuner to work, but everything else works fine. All I get is static went I turn to the radio stations on both FM/AM


If you are in a fringe area you might need an external antenna to work with your tuner. Happens.

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NAD T752 display totally lit up. FM sound works but no frequency display.


Sounds like display driver board {IC} has damaged. Contact any service technician. Electro help

Dec 08, 2014 | NAD T752 A/v Surround Sound Receiver

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The stereo light on my marantz 2226b receiver does not come on even on a stereo fm station


Hello,

my first question is does the light come on when you turn to Tape, Phono, Aux selection? If no lamp is blown, if it does come on then your tuner need to be serviced. FM tuner work is NOT for a novice. I would be glad to take a look at the unit.

Thanks

www.back2lifeelectronics.com

Sep 23, 2012 | Marantz Audio Players & Recorders

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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.
The only fix is either a replacement PSU or Tuner or indeed maybe both? One simply cannot tell exactly without examining the unit.

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?
Contact a Denon head or local office and ask them there, for a referral to an authorised service center.

Jul 18, 2011 | Audio Players & Recorders

1 Answer

Auto muting on when on am/fm and no sounds come out. everything else is fine.


That's normal.

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.

Page 26:

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.

Mar 31, 2010 | JVC RX-D205 7.1 Channels Receiver

1 Answer

Tuner not working.


These do on occasion have a bad fm tuner assembly. part number 9630145608. to verify try a fm ant to see if works

Dec 09, 2009 | Denon AVR-1908

1 Answer

Will not tune any radio station, fm or am. everything else works fine. May be damage resulting from lightning, through the antena input.


It is very possible the fm tuner pack is damaged from lighting,if you have voltage going to the fm tuner pack im sure your tuner is bad pioneer part number for your tuner is AXQ7231

Sep 26, 2009 | Pioneer VSX-D811S Receiver

2 Answers

LG LX-M240 operating instructions: I cannot set the presets


Owner's Manual is PN 3834RH0020U
On pg13
1. Press TUNER/BAND to select AM or FM
(Leftmost rectangular button on left of volume knob)
2. Select station by using TUNING +/-
3. Press PROGRAM/MEMO on the remote
A preset number will appear.
4. Press PRESET +/- (or PRESET ^/v on remote) to
select the preset number you want.
5. Press PROGRAM/MEMO again. The statio is stored.
6. Repeat above for more stations.

Believe you can store up to 30 stations.
Stations on presets 1, 2 and 3 take longer to 'kick in' when listening to the radio
as they are the 'tens' prefix for the preset numbers. 4 - 9 'kick in' immediately.

Jul 01, 2009 | LG Audio Players & Recorders

1 Answer

AM/FM receiver


the problem is in your tuner for me it is betwen the IC and the IF transformer. if u cant fix it buy new stereo componet.

Apr 16, 2007 | Harman Kardon AVR 225 Receiver

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