Question about Hitachi 43FDX01B TV

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RPTV PROBLEM when changing stations on this rptv it takes between 2-3 seconds before the station comes on . very irritating , I know it's not normal because I've seen another one in a store and it changed channels like a normal t.v. . The t.v. is probably 3-4 years old and it has done this since I bought it . Great picture , nothing else wrong with it . Help .

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If you already tryed to change the AFC mode for the tuning ,thats the cable mode the TV's in, then your Microprocessor, tuning ic,or the tuner is defective.

Posted on Aug 19, 2006

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My tv have roaring sound in certain channels.What is the cause of this?

Not the tv problems,this problems are the tv stations channels broadcasting tv stations,it is the problems of the tv stations.Some tv broadcasting stations channels are roaring sound some are normal or smaller.Just use the tv volume control + - adjust the tv suomd that all.

May 12, 2011 | Samsung HL-P6163W 61" TV

1 Answer

Does this tv have a replacable bulb?

The WS-55807 is a CRT RPTV and uses CRT "Tubes/Guns". Therefore there is no "replaceable " bulb.

Feb 03, 2011 | Mitsubishi WS-55807 TV

1 Answer

No so sound on station 4,5, and 7

If the sound on other channels is normal, check your TV set's stereo settings and check if it's in "SAP" mode. This is for "second audio" which is sometimes used for additional programming like weather reports, or to provide another language soundtrack to a show. If you have SAP turned on, it makes no difference unless the set gets signal from the station and switches. Some remote controls have a single button to select audio modes, so it might have been turned on without you knowing it.

Hope this cures your problem! Thanks for using Fixya.

Jan 31, 2010 | Standard (CRT) Televisions

1 Answer

Analog / Digital stations

Hello mikekahan,

OK you are not going to like this but here we go any way. First of all I need to explain how your channels are created.

When the RF signals come into the headend of the Down converters they are separated into pre channelized designations DC (Down Converter) 4 Stream 1 (DC 4-1, DC 4-2...) now once this is done the down converter signal is fed into a channel processor which takes the incoming signal from the Down Converter remodulates it and puts it on an assigned channel 4-1 could become channel 4, 4-2 could become channel 5 and so on. Once this is done you end up with your regular channel line up for analog channels, now for digital its a little different you have IRDs (Integrated Receiver Decoders) which take the off air or satellite Digital RF signals and convert them into MPEG Streams which is the fed into what is called a SEM (Motorola Architecture) Stream Encryption Module which assigns numeric designations to the MPEG streams and then converts the MPEG streams back into RF. Now at this point we have analog and digital signals what then has to happen is the the analog signals must be turned into MPEG streams to go through the system so what happens is from the channel processor the analog signal is put into a SE (Stream encryptor) Like the SE1010. This takes the analog stream and turns it into am MPEG stream and feeds it into the SEM also and the SEM assigns a numeric designation just like the digital signal and this can sometime follow the same numeric designations as was obtained from the Down Converter, So what you end up with is analog and digital signals having the 4-1, 4-2, 5-1, 5-2, ..... format. This is where other equipment comes into play These designations are then kept in a database and are matched to their proper channels by use of the DAC and RADD along with an IPG server. These allow the SEM to assign true channel designations to the converted channels, now the SEM DAC, and RADD talks to your STB, this is way the channels are correct because the SEM and the DAC/RADD are matching what is on the IPG (Interactive Program Guide). When you remove your cable box the tuner in your TV does not know how to deal with the DAC, RADD and IPG signals so it only displays the RF information which is the 4-1, 4-2, 5-1, 5-2 data.

I hope this helps,


Feb 27, 2009 | RCA 20F424T 20" TV

1 Answer

Not receiving my local cable stations

You need to make sure the TV is set for "cable" tuning and not "standard" or "air." (If you are getting only local off-air channels and no cable stations at all, be sure you have a good cable and connection to the set. Normally, even if the TV is set for "air" you will get the low-number cable channels 2-13.) This is usually a selection through the TV's set-up menu. With a universal remote, it may be difficult or even impossible to get to all the menu entries. Most replacement remotes don't support all the original remote functions. Try with yours and good luck. Once you get the TV set to the proper tuning, you should have all your cable channels.

Jan 03, 2009 | Durabrand BH1304D 13" TV

2 Answers

TV sound much louder on commercials

It is Not your TV this is done by advertisers to get your attention and it works

Dec 23, 2008 | Insignia NS- 27" TV27 TV

1 Answer

Electronics skills

Replace electrolytic capacitors in the power supply section. start with replacing (2) 860uf 180v caps just after the bridge rectifier and continue along the circuit. Some (15) or so capacitors later, it will clear the horizontal bars and lines and any high pitched noise that comes along with it.

Mar 21, 2008 | Mitsubishi WS-55807 TV

1 Answer

Cant tune my Hitachi TV

please check web site for any thing in remote. and give model name in search. hopr this will help. good luck.

Sep 30, 2007 | Standard (CRT) Televisions

1 Answer

No signal from My Antena

sounds like the tuner has went bad, have you tried to hook it up with audio- vidio jacks or through your vcr??

Sep 03, 2006 | Sanyo AVM-2751S 27" TV

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