Question about RCA MM36110 36" TV

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Out of Focus

Picture is out of focus regardless of what is inputting, ie: vga,coax or composite rca. Is there a focus adjustment that can be made thru the back case?

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Yes most of all tv's have focus blocks or Flybacks with screen and focus controls on them. Some sets have it where you can do it with back of set attached and some you have to take back off to adjust. Either way you have to be very careful, because you are dealing with High Voltage and can harm you as well as your set. It will be marked Focus and the other will be screen, Scr. is what lights or Darkens a set. Do not move this unless it is needed. You will need a mirror or someone looking and tell you to stop.

Posted on Aug 25, 2007


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Try manipulating the TV mode selection to HDMI 1, 2, 3 or 4, whichever the number of HDMI ports are available.

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Your monitor has some of the following inputs:
* composite
* component
* coax
You need to "tell" the monitor which of the above "input" channels that the monitor should "listen" to.

Apr 12, 2015 | Dell UltraSharp 1907FP 19 inch LCD Monitor

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Hi, Flat panel television instruction manuals are not very easy reading material, there are many connections on the back-you need to plug in some sort of input-always coming from the " out to T.V." of another device. Cable coax's are most common-the cables aren't very flexible that's one way to tell them apart from an RCA cable-usually with red, white, yellow,green and blue colored ends. The red, white and yellows are what we'll focus on for now-the yellow's are for a picture-connect them from an " out to TV" to " video input" on the back of tv, then for sound likewise- red and white colored from an"audio out " to "audio in " if coming from a VCR-you may use the rather un-flexible " screw on" coax connector-same if coming from a satellite/cable box-some satellites require tuning tv channel to # 60 for a picture-other wise it's channel 3 or 4. although you will get a better picture using yellow, red & white rca cords. I hope this has been of some help, prodzilla

Mar 31, 2011 | Televison & Video

1 Answer

Hi, I bought an aquos lc-30hv4u and it has no rca jack etc, only two plug ins labled display input 1 and 2. I am guessing its just a pc monitor. How would I use it for cable tv video games etc

There are lots of inputs on the back behind the cover. Three inputs (1, 2, 3) have an S-video, composite video (A/V) and component video jacks. The cover will come off if you press the two top hook at the top of the cover. Then rotate the cover towards you. There are also a DVI-D port and 2 coax (antenna in) jack. The tuners included are for NTSC (analog OTA) and CATV (analog cable). The front of the PC (VGA) and a S-video or composite (A/V) video input (called Input 4).

Composite and component video jacks are all RCA jacks (as are the associated audio jacks for the input). Composite cables uses three RCA plugs on each end - yellow for video, red and white for Right and Left audio. Component video cables have three plugs on each end that just carry video (red, blue and green); the audio is wired separately with just 2 RCA red/white plugs. Match your colors from the device out to the TV input.

Changing inputs can be done with the remote or the input button on the top of the TV. The input button is to the left of the power and Main Power buttons.

Connecting your game system, cable system and all will depend on the units. For the best picture, use component video cables for mose set top box. Some cable boxes have a DVI port - use that if the box has that option. If they do not have component video out, then use composite or S-video cables.

The owner's manual is available from Sharp as a pdf: . Use the drop down menus as follows > LCD TV, Model not listed, LC-30HV4U then click Search. The picture of the inputs are on page 10.

I hope this helps.

Cindy Wells

Dec 15, 2010 | Sharp Aquos LC-30HV4U 30 in. LCD HDTV

1 Answer

I have a customer on the phone who has a olevia flat screen and can not locate an input for his cable wire. where are they located?

here are the only signal inputs located at the back of the tv.
1 x HDMI input ( 19 pin HDMI Type A )
2 x component video input ( RCA phono x 3 )
1 x VGA input ( 15 pin HD D-Sub (HD-15) )
Audio line-in ( RCA phono x 2 )
2 x S-Video input ( 4 pin mini-DIN )
2 x composite video/audio input ( RCA phono x 3 )
1 x headphones ( mini-phone stereo 3.5 mm )
1 x SPDIF output ( TOS Link )
1 x audio line-out ( RCA phono x 2 )
1 x subwoofer output ( RCA phono )
1 x serial

If you are looking for a coaxial cable input.. it is actually not available so you have to connect a converter from coax cable to RCA cable for you to connect it on your tv.

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1 Answer

Have a Sony KP-51WS510 with red outlines

In replacing the CRTs, there are multiple focus adjustments. The basic one first is the Mechanical lens adjustment on the CRTs, (in this case red), the second one is the Electronic Focus on the Screen/Focus Block on the front of the unit behind the front panel. The third focus and on of the most important is the Beam Centering Focus. (In this case RED CTR) It is located on the neck of the CRTs. They are the first set of adjustment rings up from the CRT Boards. If any of these focus adjustments are off they will cause a symptom like yours to occur. Normally these adjustments are made before any convergence adjustments are made. I would double check to see if the repairman made these adjustments.
I hope this helps

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1 Answer

TV, RCA MOD # F19424, CTC 203U5, Picture blury

Focus and Screen. The focus control may help, just like focusing a set of binoculars or an old camera. Watch the picture on the TV, using a mirror can help and make an adjustment until the picture is as clear as you can get it. If it still is not clear it may mean that your picture tube is weak.
If you can avoid it, don't touch the Screen control. If you have, let me know and I can advise you on the proper way to adjust it.

Oct 09, 2008 | RCA Televison & Video

1 Answer


Focus control is on the Flyback there is 2 adjustments one is screen drive other is focus turn it untill you have clear picture.

Sep 03, 2008 | RCA F32450 32" TV

1 Answer

Getting vga pic

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1 Answer

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Oct 26, 2007 | RCA D52W20 52" Rear Projection HDTV-Ready...

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