Last sunday it was the last day I have worked at the RC2016/01. I have test a lot different setting’s for the FL1216 MK2, also I test the setting’s for the FL1216MF MK2. But no difference. The results I get are a little bit dissapointed. On the scoop and on the monitor I get a bad picture so I quit for this moment.
Monday evening, de day after RC2016/01, a couple people from the local HackerSpace “B+ westland” visit my place. Together we looked at my setup of the system and we take a look at the picture on the scoop. After study the hole setup they made the conclusion that mayby the TV-Tuner is not in order. So the Rc2016/01 is ended, but slowly I keep working on my system and I go to change the Philips tuner for the Temic tuner which is mounted on a PC-TV-Tuner card. On the meeting of the HCC!Retro on 27 februari at Bilthoven, The Netherlands, I hope to present a working system:
In the mean time I also go back to work at my i4004 project, the show must go on !!
I have loved the last month to work for the RC2016/01. I hope to be back for the summer edition.
Last blog I told that I was a litte bit disappoint about the waves on the textronic scoop of the signal comming from the TV-Tuner. It looks not very close to a original composite-video signal. Whats happening.
On that moment I think about the datasheet. On the computer I search on the web and I look at a datasheet: http://marvel.sourceforge.net/pdfs/Fi1216mf.pdf But what saw my eye on page 15, a different tabel with I could remember from the datasheet I used in the past:
When I take a look at the “original” datasheet witch I use all the time I see this difference:
We talk here about 2 TV-Tuners, the FL1216 MK2 and the FL1216MP MK2. Now is my question: “Is there a (real) difference between this 2 TV-Tuners OR are the both TV-Tuners the same”
Only 1 evening to GO !! Lets test.
This weekend I connected a working game computer, the Conic TV-Tennis game, to my converter and see what’s happening. When I tuned the frequency on a Television I found a good picture on 178 Mhz. So I tuned around this frequency with my own build tuner to look for a good picture, but I only found a very fuzzy picture.
You see a sort of stripe which is the ball of the game. It isn’t a very good picture, but it’s a start. It is the first picture I get from the game computer.
So I started testing another game, the Radotin. On my Television I found the frequency of 55 Mhz, but on my Tuner I found nothing that I recognize. So I asked myself, what am I doing wrong ??
I studied the datasheet of the FL1216 and I looked at the setting of the steps I make to go through the frequency. I used steps of 50 kHz. I have some questions about these setting, so I tried to use some other settings. I start trying to use steps of 31,25 kHz, the slow-scan. Now I found nearby the frequency of 49,04 Mhz a reasonably recognizable picture of a nice game.
It is not very good, but it is reasonably recognizable as a game to play. When I study the results of the last experiments I think about the output signal of the FL1216 TV-Tuner. Are the levels Ok or are they wrong. When I connect the output of the FL1216 to a beamer with a RF-input I get a lot of time’s a kind off -out of Sync- error. What does this mean, I’m not a RF-mechanic and I don’t have a real scoop to control this kind of signals. I think there are 2 possibilities, OR the RF-level is to high, OR the RF-level is to low. The first possibilitie is easy to test, use an attenuator to bring the RF-level down. So I connected a potmeter at the output of the FL1216 to bring the signal down, but NO result. The next possibilitie is to use an amplifier, but I don’t have a RF-amplifier at my workshop.
My next goal is to check the RF-signal or find an adjustable RF-amplifier. So I’m going to search for a good scoop and a good adjustable RF-amplifier.
#retrochallenge My hardware is working. Last week I build and test the hardware. So the next step is making a kind of Menu for the system. How to control the TV-Tuner in a simple way and how “connect” the found setting’s for a Computer or Game-console in the Arduino-Nano for a later use.
Also I am working how to control the TV-Tuner. There are some question’s for me. I am not understanding the datasheet very clearly. RF- and TV-signal’s are not my commen field of knowledge, so I must learn a lot about it. And after this I must to introduce this in my program.
A long way to go and almost 1 1/2 week is gone !!
@Retrochallenge After building and the control of the hardware I write a couple line’s code to display “RC2016/01” on the LCD.
Next project is the way to make a Menu. How to control on a easy way with one pres-button and one turn-button the program to choose a computer or game-console.
On the background I work also on studie the datasheet’s of the FI1216. How is it realy working. How to choose or find the right setting for an computer or game-console. On this moment I have not found the right solution, but there are some weeks to go.
Let’s GO !!
Last days I build and test the hardware of my converter device. I connect a Arduino-Nano to a 2*16 karakter display by a I2C bus. Also connect this I2C bus to the Philips TV-Tuner. Around this TV-Tuner I mount 2 capacitor’s between the 5Volt powersupply and the GND. A press/turn-encoder also wired to the the Arduino-Nano. Later I shall make a scheme of the circuit.
Next step is testing the hardware. therefor I wrote a very small program in Bascom-AVR for the Arduino-Nano. In this program I scan on the I2C bus to see if there are some I2C-divice present at the I2C-bus.
The result of this scan is het next screen.
This is fantastic. Because the adres &H7E is the adres of the LCD and the adres &HC0 is the adres of the Philips FL1216MK2 TV-Tuner. Next test-program I wrote was to test the press/turn-encoder also result’s to a good anwser from theArduino-Nano so I can say that my hardware on this moment is working as I aspect.
Next point is put some tekst on the LCD-sreen.
My goal for this week is building and testing my hardware. Next week I want to write a programm with a menu to controll the TV-Tuner. The third week I go search on the attic to some nice old computer’s and game console’s and the last week I want to test these device’s and program the setting’s for these device’s into the Arduino-Nano.
I hope that I have enough time to finish the project. Let’s GO !!
Sinds long time I collect some TV-computer game’s. We are thinking about the TV-tennis game’s or that old stuff. But a commen point about these system’s is that they have a TV-output signal that is not capabel to connect to a “normal” beamer or monitor. I am thinking about making a device to control different TV-out signal’s, from different game-divices to a signal which is capabel to display on a beamer or (VGA)monitor.
This is a nice challenge for the RC2016/01 competition.