Help a newbie!!!
ZXNet echo conference «hardware.zx»
Hello Mister
Mis> it does not have an antenna output :(
Mis> but there is RGB and video output
I sent you a PM...
Hello Mister
Perhaps it already has a "VIDEO" signal in its RGB output, which can be
use as a black and white video output, connect to the TV in the same way as
video recorder (to composite input).
If in RGB instead of “VIDEO” there is simply “SYNC” (synchronization), then you need to create
signal "VIDEO" independently from RGB&SYNC (there was a topic somewhere on how to do it,
try to dig through "Search").
Hello, All
Dear spektrumists, I just got hold of a zx-compatible car "ROBIK"
help match it with the antenna input of the TV.
Thanks in advance
Hello Mister
Well, someone help me, I can’t figure it out on my own: v2_cry;
Not; I can wait until I connect it (if you help, of course) and start using it
Hello fan
If anyone didn’t understand, he asked for help connecting the machine to the ANTECHNIC INPUT
TV.
Since it does not have a video input :(
Please help me with a wiring diagram
Hello, rasmer
It doesn't have an antenna output :(
but there is RGB and video output
Hello Mister
Mis> Dear spektrumists, I just got hold of a zx-compatible car "ROBIK"
Mis> help match it with the antenna input of the TV.
Mis> Thank you in advance
what's the problem? it does not have an antenna output or it does but nothing
is it customizable? if the first, then there is a small circuit... and if the second, then
there is most likely a sekam encoder, and on new tilivizors there is a fire... that's why
he's not furious...
Hello Mister
Mis> Since it does not have a video input
Now it's clear.
But I don’t have a circuit diagram for a pop HF converter. But it seems to have flown somewhere (maybe
who else will tell you where).
For now, I can advise you to dig up some kind of segu and use its guts, it just has
There is also a PAL encoder and an HF block.
Hello Mister
Mis> If anyone didn’t understand, I asked for help connecting the machine to the ANTECHNIC INPUT
Mis> TV.
Mis> Since it does not have a video input :(
Mis> Please help me with the interface diagram
there was some info and an old SECAM encoder/HF modulator circuit:
http://trd.speccy.cz/book/PERIFER.ZIP
but the picture quality will be poor. maybe it's better to pick apart the TV or
connect the computer via a TV tuner...
Hello, boo_boo
What is the picture format?
I can’t open it with more than one program.
I can get SEG, so tell me what to do with it
Hello Mister
Mis> What is the image format?
Mis> I can’t open it with more than one program.
Mis> I can get SEG, so tell me what to do with it
Deja vu format.
This is not a picture, this is a book...
You can take the viewer here for example... http://soft.softodrom.ru/ap/p6604.shtml
And now, you get it, and then we’ll tell you. :v2_wink2:
Hello Mister
Mis> I can get SEG, so tell me what to do with it
First, you will need to find the PAL encoder microcircuit on the board (it should be
next to a small iron box aka HF block) and find some kind of manual for
it with standard switching circuits (some varieties flew in some
magazine in articles on SEG repairs (I don’t remember which ones, I think through search engines
will be found). Actually, thanks to these circuits, we find where to solder RGB&Sync
(Accordingly, you will need to cut the tracks with Sega RGB&Sync).
In general, this is approximately the plan of action.
Hello, Jukov
And what should I connect to these wires?
For some reason, I think it’s just what and where from wire “V”?
Hello fan
So far I've only gotten Dendy
What to do with it?
And how much will this SECAM encoder cost?
Hello, Mikka_A
If you need to connect a computer as a black and white, then an RF modulator from Dendy is enough.
As a rule, it is made in the form of a separate scarf, to which the power supply is connected and
antenna cable. If you need colors, then you will also need a PAL or SECAM encoder.
The easiest way to buy it is from CHRV.
Hello Mister
Mis> So far I have only mined Dendy
Mis> What to do with it?
Mis> And how much will this SECAM encoder cost?
CHRV has only PAL encoder. If the TV is new there will be no problems here. Them
Moreover, the spec was originally designed for the PAL standard and it is on the spec
shows better than SECAM. It costs like 350 rubles plus 50 for shipping. Prices
look at http://atmturbo.nedopc.com.
Now for Dendy.
We open Dendy, we see three scarves (in most cases, sometimes there are two
or one - in this case we will need a jigsaw). Connectors are installed on one
for joysticks and buttons, for a second processor and a connector for a cartridge. But
the third is what we need. It connects to the processor board using
four wires -
+5V
earth
Video
Audio
There may be five wires, but the fifth is also ground.
Check if these wires are marked on the scarf itself; usually they are marked there
the following designations corresponding to the above:
Vcc
GND
V
A
Hello Mister
Mis> Thank you very much everyone for your answers!!!
you'll have to... write one game and three demos... if you want you can
on the contrary....
Hello, Jukov
Thank you all very much for your answers!!!
Hello Mister
Mis> And what should I connect to these wires?
Mis> For some reason, I think that it’s just what and where to wire “V” from?
There are two options for connecting the modulator:
1) If you will power the modulator from the computer, then you need to unsolder it from the modulator
an integrated stabilizer is a large microcircuit with three terminals, it is not
there’s no mistaking it, since there’s a radiator screwed to it (it’s true that there isn’t one,
but you can find it by the hole in the stabilizer). Then find it on your computer
microcircuit K555LA3 or K1533LA3 (or LH1 or LL1). This chip has 14
conclusions. The 7th pin of the microcircuit is ground, it must be connected to the GND wire
Dendy. If you look at the DENDY scarf from the side of the foil tracks, then
you will see that this wire is connected to the most massive piece of foil. 14 pin
the microcircuit is +5Volt, it must be connected to Vcc on the Dendy board. How
The pins of the microcircuit are numbered, see figure. It is necessary to unsolder all wires,
connecting the modulator board to the processor board. Video output from Spectrum
connect directly to pin V Dendy. Signal going to speaker
connect to pin A.
2) If you want to preserve Dendy’s independent operation, then unsolder it from the board
modulator only terminals V and A, do not touch the stabilizer. Spectrum Land and
Dendy's GND pin needs to be connected together. Using the switch withBy fixing, you can organize alternate operation of the Spectrum and Dendy. On average
the contact receives the V signal from the modulator, the other two signals are Video from Speck and from
Dendy. Same with the Audio signal.
File: IMS.JPG http://zx.pk.ru/attachment.php?attachmentid=4471