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HomeAircraftHelicopterRadio - JR DMSS › X9303 DIY Backlight--move LCD readout down a little?
04-08-2010 08:52 PM  8 years agoPost 1
ChrisMoore

rrApprentice

Bay Village, OH

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I installed my Tx backlight kit from DFX hobbies and it is working! I had to fiddle with the rubber strip things a ton to get the screen to turn out just right. My question is this: How can I move the image on my LCD down just a little bit? Will shifting the rubberstrip things left or right move the image down?

I turned up the contrast all the way up on the Transmitter screen and took a picture of it so you can see the portion of the screen that is being activated. The glass screen itself is not out of place, it's the image on the glass screen. I am sure there is a way to fix it and make this thing PERFECT. Can you help me?

Chris. AMA 497715 IRCHA 3351

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04-13-2010 04:40 PM  8 years agoPost 2
whirlybird 1

rrApprentice

flatwoods ky U.S.A.

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ChrisMoore
I did this mod also. I found that I put the metal bezel that holds the display in place on backwards and had to take it apart and turn it around. IT looked like your display does, cut off on one end.
I did have a question(2 really) about the installation and E-Mailed DFX Hobbies. He E-Mailed me back very quickly with the answers. Try E-Mailing him, as I have had VERY GOOD tech support from DFX!
One more thing;; Make sure that you put the shiney side of the back light facing the correct way. I think the shiney side faces the display. THis was not in the instructions, but he has updated them with this info since I bought mine.
Good luck with it, it is a GREAT mod for the 9303.
Mike

Blade Cp 11.1 lipos ugraded chassie bell-hiller dual tail motor /T-Rex SA Upgrading to SE

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04-13-2010 11:36 PM  8 years agoPost 3
ChrisMoore

rrApprentice

Bay Village, OH

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I will give it a try. The left-right alignment is good, I dont think I have it backwards...I will try emailing him.

Chris. AMA 497715 IRCHA 3351

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04-15-2010 01:43 AM  8 years agoPost 4
rlmarch

rrApprentice

Titusville, Florida,US

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Does the backlight kit help seeing in bright light? Also, I looked for installation instructions on DFX's site but couldnt find any. How hard is it to install?
Thanks,
Bob

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04-15-2010 03:26 AM  8 years agoPost 5
ChrisMoore

rrApprentice

Bay Village, OH

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Bob

It was not an easy install. The instructions are great and have pictures to help out but you REALLY need to be patient. Seriously, there is a point where you have your $500 radio opened up and you are asking youself why you did it and now you have to buy a new Tx anyways and you wont even have the 9303 functioning. Maybe I am just a nervous kinda guy

I haven't had it outside in the sun yet but I have had it in my house in the sunlight and it is great. I got the white screen and really like it. It looks just like the 9503 backlit screen.

The hard part of the install is reinstalling everything just so.

Chris. AMA 497715 IRCHA 3351

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04-15-2010 03:53 AM  8 years agoPost 6
rlmarch

rrApprentice

Titusville, Florida,US

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Chris,
I took my wifes iphone apart to change a 3 dollar switch. There's like three layers of circuit boards with a lot of tiny ribbons. Needless to say. I bought her a new iphone. Do you have to buy the conversion to get the instructions or are they on a pdf that you could email them to me? Just so I could see what I was getting into.
Thanks

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04-15-2010 11:09 AM  8 years agoPost 7
ChrisMoore

rrApprentice

Bay Village, OH

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its many pages long and not electronic. I wont be scanning it anytime soon.

You only need to solder two wires, which is very easy. You need to pull out one circut board which has many plugs on it and then the second circut board which has the LCD on the other side of it. That LCD is held in place by a metal frame, that frame gets removed. Then the LCD is exposed. The glass is connected to the circut board by rubber insulating/conducting strips that are about 3mm wide by about 5mm tall and ??mm long (go the length of the screen). These strips that connect the screen are important. Their place is marked on the circut board and the LCD glass is removed (without any trouble). The LCD has a layer of reflective film that is pretty thick so its easy to remove. That comes off and leaves adhesive on the LCD surface. The adhesive is removed by rubbing it with your thumb. Once you get the hang of it, it is pretty easy. Then the LCD backlight gets positioned on the screen and everything goes back together. Then a + and - lead are soldered to contacts on the back of the switch, wires are neatened up with some zip ties and a little circut board and a small transformer for the backlight nest right into the Tx case.

Honestly, in hindsight I am glad I did it. I was a philosophy major in school and am now working on a degree in nursing so its not like I have some high-tech abilities that make this easy for me. My warranty was already gone and I figured I could make it work and I did. Either you spend $70 on the backlight or you spend $500 or so on a new JR 9503. The last mod I want to do is to put a timer start switch on my throttle stick.

Chris. AMA 497715 IRCHA 3351

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04-15-2010 05:03 PM  8 years agoPost 8
rlmarch

rrApprentice

Titusville, Florida,US

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Thanks.. Great information. It looks like a great mod. I think I'm going to do it. What made you go with the white backlight vs the blue?

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04-15-2010 08:04 PM  8 years agoPost 9
Jag72

rrProfessor

South of Boston

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Backlight
I tried the backlight thing on a spare dx7 I have....and well...I was VERY disappointed in the results.

it looks like yours is very similar to mine..

the contrast is terrible...at least mine was..you could barely read the screen with the backlighting on mine...so I removed it and ended up kind of messing the screen up...when trying to reapply the original backing

so i sent it back to Horizon and they were good enough to replace my LCD for me no charge....I LOVE Horizon

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04-15-2010 09:34 PM  8 years agoPost 10
ChrisMoore

rrApprentice

Bay Village, OH

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I have my contrast turned way up to show the position of the image in the LCD screen. I am very happy with the way the screen looks. It is 100 times better even if it is off center a bit.

Chris. AMA 497715 IRCHA 3351

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HomeAircraftHelicopterRadio - JR DMSS › X9303 DIY Backlight--move LCD readout down a little?
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