Search found 4 matches
- Fri Nov 17, 2023 7:25 pm
- Forum: Hardware
- Topic: horizontal line interference on screen
- Replies: 12
- Views: 364
Re: horizontal line interference on screen
Hi Guys, by mark8bit » Thu Nov 16, 2023 7:59 pm is the ULA in a socket ? , if so you could try the ULA from one of the other boards just to confirm it's not that (being very careful not to bend/snap it's pins) Reply I have today tried using the NEBULA chip by Retroleum, but still still seeing the li...
- Thu Nov 16, 2023 7:12 pm
- Forum: Hardware
- Topic: horizontal line interference on screen
- Replies: 12
- Views: 364
horizontal line interference on screen
Good Evening. I bought a ZX Spectrum 48k Issue 4s motherboard off of Ebay early this month. It had 2 missing IC's, IC1 and IC12. I have since added the ULA 6c001e-7 and an TMS4116-15NL. Also I have replaced the electrolitic capacitors, and changed the voltage regulator for a new switching mode reg. ...
- Sat Sep 16, 2023 8:42 pm
- Forum: Hardware
- Topic: Sinclair ZX Printer
- Replies: 4
- Views: 201
Re: Sinclair ZX Printer
Hi Mark,
Yes I'm in the UK.
Shropshire
Marc
Yes I'm in the UK.
Shropshire
Marc
- Sat Sep 16, 2023 7:38 pm
- Forum: Hardware
- Topic: Sinclair ZX Printer
- Replies: 4
- Views: 201
Sinclair ZX Printer
Hello I have a Sinclair ZX Printer that I am tring to repair. https://i.postimg.cc/3d7YB5hb/ZX-Printer.png one of the photo diodes is faulty, does anyone know what the part number is for the diode or a equvalent that could be used in place? https://i.postimg.cc/hXNSVJtV/Photo-Diode.png Thank You