Question about Philips 51PW9303 51" Rear Projection HDTV-Ready Television

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Tuner problem? (hope not!)

This tv is only 3 yrs old. I have it connected to a digital cable box. It still works perfectly when using the box, but when i try to use the PIP or even just try to use the tv without the cable box, it will not tune in ANY channels. It used to. I use to watch "regular" cable channels without the use of the box, because it made for STEREO sound, which it does not while using the digital box. Is this a tuner prob (hope not) or could it be something more minor ???

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Re: Tuner problem? (hope not!)


Posted on Sep 28, 2007

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Cable is input to Antenna 1 slot.... cable does not work works fine when input through a cable box. Will the TV not process cable without a box?


Unfortunately your units tuner is the old NTSC system and will not work with the new digital system without a cable box.

Thanks for using FixYa and for the great rating.


Apr 05, 2011 | Toshiba 57H81 57" Rear Projection...

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The mitsubishi model vs-60805 tv will provide air channels off of cable hook-up, but does not provide cable channels. What needs to be done to recieve cable channels? The menu does not provide an apparent...

Mitsubishi VS-60805 is 1999 model tv and unable to receive digital cable channels because it is equipped with analog tuner that can not receive cable channels because it is almost 11 years old.
You need to hook Cable Box in AV input of tv, plug digital cable in cable box and get digital cable channels in tv. Cable box has its own remote control and inbuilt digital tuner to receive all digital cable channels and widely available in Store, Radio Shake, etc.
Let me know if you have additional question.

Aug 07, 2010 | Mitsubishi Projection Televisions

1 Answer

Can not get pip to work

Pip has its own tuner, try getting a cable splitter to split the signal into the tv. If you have digital cable you may need a second cable box to do this. If your cable provider still sends an analog signal the splitter will work.

Jul 10, 2009 | Toshiba 53H71 53 in. Rear Projection...

1 Answer

Lost some stations on my Sony lcd TV.

It is a possibility if you are using a cable tv service, without a converter box, that the cable company has limited the number of station you are able to receive. It seems to be their new ploy to get subscribers to get a box since the digital changeover. I also may be that the TV's tuner memory may have to be re-programmed. Go into the menu and go through the channel scan process and see if they return. If they don'y it may be a tuner issue. An easy fix is to get a cable box!
Hope this has been helpful

Jul 03, 2009 | Sony Grand WEGA KDF-50WE655 50" Rear...

1 Answer

52G786 ATSC Tuner no longer works

I have the same exact model tv...Love it...ATSC tuners is in definition an Analog tuner. As the broadcasting companies change over to Digital broadcasting before the deadline in Febuary 2009 more and more local or Non-Digital chanels are becoming obsolete. You would have to purchase a converter box for your tv if your not planning on getting cable. Another way to gois if you have an old cable line running through you house (no incomming cable) plug you tv into that jack. That also acts as a antenna. The sweet part of all this is that your tv do have a QAM tuner or Digital tuner built in just need that digital antenna to pair it up.

Dec 29, 2008 | JVC HD-52G786 52" Rear Projection HDTV

1 Answer

Channels won't come in

Hello divalisaf,

These are a few things I want you to check first.

1) Make sure the cable set top box is on and the cable is connected to the TV properly (This may seem simple but I have had to charge many people a $60.00 service fee plus a $70.00 travel fee just to turn on a cable set top box)

2) Make sure the TV is set to the proper input you are using (RF( F connector) , HDMI, Component video, and or Composite Video)

3) Make sure the TV is set to the proper channel (either channel 3 or channel 4 depending on your area) The cable set top box should be action as your tuner.

If all of these conditions are met, then we can begin troubleshooting.

First determine if the other inputs work (HDMI, Component video (RGB), Composite video (yellow), s-Video (6 pronged black cable).
If the inputs work then you possibly have a tuner problem
If the inputs don't work then then problem is likely in the video microprocessor.

If the problem is in the tuner or the connective circuitry then we will have to determine where to get a replacement tuner (or you can just use one of your other video inputs)

If the problem is in the video section (which includes the microprocessor) we are going to have to troubleshoot the video section which will involve you having a background in electronics, if not I would suggest having a qualified TV technician perform service on this TV.

I hope this helps,

Thank you,


Nov 25, 2008 | RCA HD56W66 56" HDTV

2 Answers

TV Green

satellite box send out siginal in the same frequency, so the tv tuner doesnt have to work on it, but all siginal coming to the Tv goes through the turner.

Jun 25, 2008 | Projection Televisions

1 Answer

Misubishi warrior 2 intermitant pic freezes 1 second or less

Hello frogman,

The freezing of the picture denotes a loss of signal on a digital (Having a ATSC tuner) TV. If your TV is not digital (Having a ATSC tuner) then it is the device that you have connected to the TV (Cable Set-top Box, DTV Tuner, etc). In the likelihood that it is your TV I would suggest getting a better antenna first if that does not fix the problem you may have a tuner problem. However lets not look at it that way first. What we need to do is to determine if it is the TV of whatever you have connected to the TV.
First unhook the connection you have from the cable to your F connector of the TV (you should see snow or a blank screen) connect a antenna to the F connector of the TV, do you see a snowy picture or a clear sharp picture (snowy= NTSC tuner, clear-sharp= ATSC tuner). If the tuner is NTSC then check you cable device and the connection between your TV and the device and the cabling between the device and the wall. If the Tuner is ATSC then you will have to check all of your connections, and finally if the tuner is bad it has to be replaced by a qualified Tv repair shop.

I hope this helps,

Thank you,


May 09, 2008 | Projection Televisions

1 Answer

Picture is of poor quality (wavy)

This may indicate a problem with the RF tuner. When you are using the DVD player is the output of the DVD using the F (RF Coax) Conncetor or is the DVD connect to the TV using the Video/Audio cables (either Composite (Red, White, Yellow) or Component (Red, Green, Blue)). I am do however believe this to be a RF tuner problem. Make sure that the TV is set to channel 3 and the cable box is connected to the TV (set to channel 3). What you could also do is get digital cable and use the video output jack as the input to the TV on one of your aux positions.

I would first make sure the tunner is on channel 3 when using the regular cable box, or if you are using the TV's cable ready features make sure the tunner is working correctly, this might have to be done by a qualifide TV repair person.

I hope this helps
Thank you,

Nov 15, 2007 | Toshiba 57HX81 57" Rear Projection...

1 Answer

No signal on main tuner

can you connect comcast to another tv that should tell you if it's the tv tuner or cable company.

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