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Topic: lcd screen salvaged from vcr (Read 1 time) previous topic - next topic

stevecobb76

I salvaged the lcd from a vcr that I would like to play with.

http://html.alldatasheet.com/html-pdf/391606/PTC/PT6315-S/177/3/PT6315-S.html

this is the data sheet for the driver chip that is on the same printed circuit as the lcd

I was wondering how I need to get started.. i am still noobie at arduino.
all I want to use is the 5x 7 segment displays built into the lcd that used to show the clock.
and I am planning on building my own arduino clock.

the lcd screen info is p/n tvfd150ft007
                                 20u29100san
                                    sl
                               futuaba

can I just start probing (1.5v?) the lcd for the 7 segment lcds that I want
or should I start working on how to interface the driver chip with arduino?
if it is too big of a hassle, I will just go to radioshack a buy 4x 7 segment displays and matrix them

and thanks all for the help!!!!

stevecobb76

on the data sheet, I have found clk, dout, and din...
I believe from other posts that these are the pins that I need to use to interface this display?

Riva

Does the display also have buttons on it as datasheet shows ability to interface 16x buttons to the chip?
You will need 3 pins to transmit data to the display chip STB, DIN & CLK and a forth DOUT if your reading the keys attached to the display. It looks like SPI_MODE0 so using the SPI library will take a lot of the grunt work out of programming. Most everything else you need will be in the datasheet but it may be a lot of trial and error to determine how the display is wired up. First thing is to determine what type of display the chip is connected to...
Quote
Display Mode Settings:
0000: 4 digits, 12 segments
0011: 5 digits, 11 segments
0100: 6 digits, 10 segments
0101: 7 digits, 9 segments
0110: 8 digits, 8 segments

Maybe a picture will help here.
http://forum.arduino.cc/index.php?action=unread;boards=5,67,10,11,66,12,15,17,21,22,23,24,25,29;ALL

dhenry


Riva


Is it lcd or vfd?

I'm assuming the OP means VFD as the PT6315-S is a VFD driver.
http://forum.arduino.cc/index.php?action=unread;boards=5,67,10,11,66,12,15,17,21,22,23,24,25,29;ALL

stevecobb76

yes it is a vacuum enclosed display. and there is only 1 button on the printed circuit. and it was labeled open close for the dvd player.

ps.. this was a dvd/ vcr combo unit

stevecobb76


Does the display also have buttons on it as datasheet shows ability to interface 16x buttons to the chip?
You will need 3 pins to transmit data to the display chip STB, DIN & CLK and a forth DOUT if your reading the keys attached to the display. It looks like SPI_MODE0 so using the SPI library will take a lot of the grunt work out of programming. Most everything else you need will be in the datasheet but it may be a lot of trial and error to determine how the display is wired up. First thing is to determine what type of display the chip is connected to...
Quote
Display Mode Settings:
0000: 4 digits, 12 segments
0011: 5 digits, 11 segments
0100: 6 digits, 10 segments
0101: 7 digits, 9 segments
0110: 8 digits, 8 segments

Maybe a picture will help here.


there are 5x 7 segments, and several other pertaining to the dvd, timmer, vcr, and it looks like 2 rows of leds, 1 at the top and 1 at the bottom.

thank you riva for the help... you put me on the right path... you hinted me in the exact right direction.

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