Question about Alpine MRP-M450 Car Audio Amplifier

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Odd Problem My amp turns off only when i change the source from tunner it only works in tunner. can someone help me asap?

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  • 156 Answers

Your amp's remote turn-on wire is connected to the wrong wire at your head unit. Look for a blue/white wire and connect it there.

Posted on Mar 07, 2007

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Posted on Jan 02, 2017

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NO RUSTER NO AUDIO VEDIO


The problem is in Tunner Stage chk voltage of tunner & if stage if it is normal then chang the tunner.

Dec 29, 2012 | Sharp 19C140 19" TV

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Umax Utv 8300i Driver FOR INSTALLING IN WINDOWS 7(internal tv tuner card )


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My flat panel tv will not recognize the co-axal cable wire thats pluged into the back of it. Ive chose the all channel search and the digital channel search and neither of them seem to work. The tv always...


There isn't a tv signal on that coaxial cable. The other end of it is not connected to anything with an active signal. For example an indoor antenna, or an outdoor antenna, a cable TV company's active TV source (that you are payin for), or a satallite TV company that you are paying for them to turn on, also TV's do not have a built-in satallite tunner to tune in those sattallite channels, you have to use that company's external tunner box. No tunner box = no channels. Even U-Verse No Tunner Box = No TV.

Jun 02, 2011 | Sanyo Televison & Video

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I have a scott tv...2 days ago an electrical storm hit the cable lines....i had to replace my modem, router and call cable company to repair lines...tv works fine on all other connections, ie; laptop, dvd,...


TUNNER BAD, YOU NEED TO CHANGE THE MAIN BOARD OR CHANGE THE TUNNER WITH AN OLD USED BOARD. MAYBE IF YOU OPEN THE TUNNER FIND A OPEN LINE NEAR COAXIAL CONNECTOR.

Apr 20, 2010 | Scott LCT37SHA TV

1 Answer

There is no video.blue screen is on


Hi my name is Roety,
I can help you with your issue ,
 If the TV menu works then you have a bad source or the Tv wrong source is selected
Reboot all devices and check the connections and make sure the TV is on the correct input source
 
 
If I have helped you with your issue
If you have more questions you can still respond
I will reply asap
Thanks

I’m happy to help further over the phone at https://www.6ya.com/expert/eric_ab7c09ec01841771

Jan 29, 2010 | Sharp Aquos LC-20B4U-S 20 in. LCD EDTV

1 Answer

My CDA-9847 will no reconize the SIR-ALP1 tunner.


I am in the same situation.  I have had my sir-alp1 for 4 years and it simply stopped being recognized.  I called Alpine and they said they have no connection to this piece, it is made by "directed electronics" and I need to contact them.  A new one is around $120 whereas this one was 79 on sale in 2004.  I still have he installation guide/owner's manual for it and nowhere inside is there a number to call them.

Mar 08, 2009 | Sirius Satellite Radio Sirius SIR-ALP1...

1 Answer

I have a kenwood stereo integrated amplifier KA 791 and the dual cassete KXw892, niether will come on. when plugged in the standby light only comes on. the reciever and cd player components come on fine?...


That system came with the kt591 tunner in a bundle which consisted of what you call the Kenwood Spectrum 700 rack system, you had to plug the tuner into the wall and then plug the amp into the tunner if you didnt , when you turn the amp on you just get a relay clicking noise and nothing turned on.

Sep 14, 2008 | Audio Players & Recorders

1 Answer

Sony projection television model kp-53hs30. when turned on the screen is ok for about 30 seconds, then pops and slowly turns fuzzy or broken up, for about 30 seconds, clears and then the cycle starts...


That set has 2 tuners in it a main and a PIP tunner, you Main turner is bad. This would need to be chagned by someone who can solder well. If you are interested in changing it youself and can or know someone who can solder well let me know and I will get you a part number and help you through the repair.

Thank You
Tim

Sep 11, 2008 | Televison & Video

1 Answer

Avr 1804 denon 7.1 reciver


Did you check the Audio-Video slider button in the middle of the remote? It needs to be on Audio, else the remote sends video channel number signals when you press the numbers.

Dec 26, 2007 | Denon AVR-1804 Receiver

1 Answer

No Amp Power


you are taked the wrong cable to turn on your amp......alpines have a two blue cables one of theme start the power amplifier and the other one start the electric antenna when you turn the radio,if youre earing the cd or tape and change to the radio this cable have 12 volts to startup the antenna.....solution .....just try change the other blue cable. see you.

Feb 15, 2007 | Alpine CDA-9847 CD Player

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