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+2a CompositeWhile faffing around with my +2a I did a down and dirty mod from pin 6 of the tea2000 straight to the modulator output bit like the womble hack for t…
... solution, based on datasheet of TEA2000. I don't know if ... the TEA2000 output has enough level to ... and you'll burn your TEA2000).
The problem I ... -
Help needed +2 pleaseI have a 128k+ that when powered up through the rgb or aerial connection just shows a black screen. But I can still see the list of options and run d…
... not being supplied to the TEA2000. Check the 12V pin of ... the appropriate pin of the TEA2000 (search for the datasheet or ... -
zx spectrum +2 troubleshootingHi There I am new here and I need some advise as to where to look for issues on my zx spectrum +2 it was working fine this morning .. then while pl…
... presence of 12V at the TEA2000.
Try by all ... -
Help needed +2 pleaseI have a 128k+ that when powered up through the rgb or aerial connection just shows a black screen. But I can still see the list of options and run d…
... not being supplied to the TEA2000. Check the 12V pin of ... the appropriate pin of the TEA2000 (search for the datasheet or ... -
Help needed +2 pleaseI have a 128k+ that when powered up through the rgb or aerial connection just shows a black screen. But I can still see the list of options and run d…
... the appropriate pin of the TEA2000 with a multimeter, a black ... faint image usually means the TEA2000 isn't doing anything, and ... a quick look at the TEA2000 datasheet to find which pin ... -
zx spectrum +2 troubleshootingHi There I am new here and I need some advise as to where to look for issues on my zx spectrum +2 it was working fine this morning .. then while pl…
... found a dry joint around tea2000 , now I have image again ... -
Help needed +2 pleaseI have a 128k+ that when powered up through the rgb or aerial connection just shows a black screen. But I can still see the list of options and run d…
I have returned from my friends house and the TEA2000 is only getting 1.3vts on the 12v pin. So it looks like the TR4 s suspect as Winston as pointed out. -
+3 issues....Hello All I came by a couple of +3's on ebay and I'm having issues with them. Since I only ever owned a rubber key, thought someone might be able to…
I did a quick composite mod on mine runing from pin 6 of the tea2000, works but the picture is quite dull compared to my scart signal -
Should this be connected?[IMG][URL=http://img528.imageshack.us/i/img7396m.jpg/][IMG]http://img528.imageshack.us/img528/6470/img7396m.th.jpg[/IMG][/URL] Uploaded with [URL=htt…
... ULA and fed into the TEA2000 at pin 12 + 13.
TEA2000.
Here's ... -
ZX spectrum +2 issue3 (gray) videoout problemHi! Have distorted flickering image on ZX spectrum +2 gray issue3. RGB connection thru sony CXA rgb->svideo coder (Good quality! but flickering) [ur…
... .8В - clean signal, path to tea2000 is disconnected)
[url ... -
+2 grey composite modWithout digging out the schematics, is it possible to do the composite mod like the 48k on these?
... chroma signals straight off the TEA2000. Then buffers them both the ... -
+2 grey composite modWithout digging out the schematics, is it possible to do the composite mod like the 48k on these?
... chroma signals straight off the TEA2000. Then buffers them both the ... -
+2 grey composite modWithout digging out the schematics, is it possible to do the composite mod like the 48k on these?
... once again for a small TEA2000 plug-in that provides SVideo ... -
+2 grey composite modWithout digging out the schematics, is it possible to do the composite mod like the 48k on these?
... that it DOES have a TEA2000 after all. So my mod ... -
RGB to S-Video and Composite Adapterif I produced a dongle that generated composite and s-video from the RGB socket on +3 and Black +2 spectrums would anyone be interested? I'm thinkin…
... easy to blow up the TEA2000 video encoder. For this reason ... like that as replacing the TEA2000 is very painful on the ... -
ZX Soundbooster (AY volume increase on a grey+2)Having dug out my grey+2 and run it through scart I've just noticed (to my horror) how low the ay is in comparison to beeper (+3 has ay and beeper at…
... - 20pf to pin 8 of TEA2000 - then PAL signal was little ... -
128K blues, part +2: picture and tape driveI recently purchased an original (grey) +2 which sadly seems not to be fully working. The computer powers up but there is no way to obtain a stable p…
... on the board (a failed TEA2000 perhaps).[/QUOTE]
Oh ... -
RGB to S-Video and Composite Adapterif I produced a dongle that generated composite and s-video from the RGB socket on +3 and Black +2 spectrums would anyone be interested? I'm thinkin…
I used a similar encoder, the AD722, for a TEA2000 drop-in replacement board. These are my results:
[url]http://www.zxprojects.com/index.php/replacementtea2000sp128k/50-designreplacementtea2000[/url] -
R-785.0-1.0 5v 1A DC-DC converter Group Order.As discussed in the other thread there seems to be interest in getting a consignment of these devices. I can get 50 @ [strike]?4.40[/strike] and pos…
... to mention wondering what a TEA2000 chip is all about.
TEA2000 chippies =),
they should ... another one of these reclaimed TEA2000's -
R-785.0-1.0 5v 1A DC-DC converter Group Order.As discussed in the other thread there seems to be interest in getting a consignment of these devices. I can get 50 @ [strike]?4.40[/strike] and pos…
... to mention wondering what a TEA2000 chip is all about.
TEA2000's[/QUOTE]
We have ... -
Spectrum +3 suspected memory faultHi, I've been using my +3 for the first time in a while and found that some games have problems with the display becoming corrupted and sometimes cr…
... shorts around there as the TEA2000 is a fairly fragile chip ... -
Various data sheets, any interest?Hi. I have in my possession data sheets (in pdf format) for various integrated circuits, among others those for the AY-3-8910,8912,8913 from General…
... all the 128K Spectrums), the TEA2000 from Philips Semiconductors (the PAL ... -
Dead 128K heatsinkUnfortunately my 128K heatsink died suddenly and with no apparent reason. I had the Kempston Pro interface connected and when i powered it on the ztx…
... , +12V is only uses for TEA2000 chip.
4164 RAM ... -
Dead 128K heatsinkUnfortunately my 128K heatsink died suddenly and with no apparent reason. I had the Kempston Pro interface connected and when i powered it on the ztx…
... be? :( could it be the TEA2000 chip?
The screen ... -
Dead 128K heatsinkUnfortunately my 128K heatsink died suddenly and with no apparent reason. I had the Kempston Pro interface connected and when i powered it on the ztx…
... be? :( could it be the TEA2000 chip?
The screen ... it easy could be the TEA2000, is it hot? (careful, if ... -
Dead 128K heatsinkUnfortunately my 128K heatsink died suddenly and with no apparent reason. I had the Kempston Pro interface connected and when i powered it on the ztx…
... an indication that its the tea2000?
Where could i ... -
Dead 128K heatsinkUnfortunately my 128K heatsink died suddenly and with no apparent reason. I had the Kempston Pro interface connected and when i powered it on the ztx…
... an indication that its the tea2000?
Where could i ... -
Dead 128K heatsinkUnfortunately my 128K heatsink died suddenly and with no apparent reason. I had the Kempston Pro interface connected and when i powered it on the ztx…
I removed the TEA2000 chip but still the TIP31 ... /> I also found a new TEA2000 chip on a local store ... -
Dead 128K heatsinkUnfortunately my 128K heatsink died suddenly and with no apparent reason. I had the Kempston Pro interface connected and when i powered it on the ztx…
So if i understood right, this way we will determine the area that the problem resides right? Either around TEA2000 or around the IC33 and 34?
