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Panasonic KX-TGA470 Cordless Phone Display

11/01/2019 2:59 PM

Good day Community

I have an old Panasonic KX-TGA470 cordless phone, which I would like to use the display for other projects. One part number I have found through research is "L5DYBYY00043" for the either 1.9 or 2 " B/W LCD display with LED back light.

I am trying to obtain datasheets or at least pin out and protocols used to communicate between microprocessor and display unit.

Can anyone help me with this problem.

Thank you

SAK1726

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#1

Re: Panasonic KX-TGA470 cordless phone display

11/01/2019 3:40 PM

This one comes with data and is only about $6

https://www.mpja.com/Mini-128X64-Blue-OLED-Graphic-Display-I2C/productinfo/35506+OP/

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#2

Re: Panasonic KX-TGA470 cordless phone display

11/01/2019 5:21 PM

The trouble is that with 'legacy' parts, especially items that may have been produced exclusively for an OEM, is that there will be no 'footprint' on the Internet. For more generic parts, especially those sold through distributors, your chances of finding datasheets are much higher. The other trouble is that the drivers for these displays may also be unique and unobtainable.

As much as I like to re-purpose or re-use items, there are many cases where it is simply better to buy something new. LG_Dave's suggestion is a good way to go.

Adafruit has bunch, and their stuff is usually reasonably priced.

https://www.adafruit.com/category/63

Cheers !

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#3

Re: Panasonic KX-TGA470 Cordless Phone Display

11/02/2019 9:29 PM

Before my semi-force retirement due to disability, I was electronics tech/ Engineer.

I am still trying to play around with my electronics and I would be writing the needed code for the display. I am looking for the general pin out for the ribbon cable 13 pins and which protocol, that Panasonic may have use with the "dcx79pc21bbs3anc" processor chip use as the main processor for the cordless phone.

Thank you

SAK1726

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Guru
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#4

Re: Panasonic KX-TGA470 Cordless Phone Display

11/04/2019 8:19 AM

If searching the internet fails to yield the required information, do remember the good old telephone.

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#5

Re: Panasonic KX-TGA470 Cordless Phone Display

11/11/2019 9:19 PM

CR4 Admin: Spam: This post was deleted because it contained advertising outside the Commercial Space forum. Please review Section 14 of the Site FAQ about advertising.

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#6

Re: Panasonic KX-TGA470 Cordless Phone Display

11/19/2019 5:35 PM

My brother also has a Panasonic KX-TGA470 cordless phone and he said that there are many other cordless phone models that are much better and you can use them in many directions.
But first of all, let's explain to those who don't know what are the opportunities for them.
So, first of all, compared to a traditional landline phone, the cordless phone is so much better since you can take it with you in another room if you need to talk privately and not want others to hear you. In addition, these phones have a longer battery life so you can talk as long as you want without any interruptions.
So, to use them is very comfortable and easy.
But about how to obtain data sheets or at least pinout, you can search on their site, where it explains all about their mechanism.

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