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'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
Smashing! Super! Lovely! (also... Well Done!) :smile:
Yes, if you follow the twidding instructions (service manual), you can correctly set up the colours on issue 1 and issue 2 Spectrums :p
[I][B]Mark[/B][/I] -
Sinclair PC 200 Error: Faulty SYSTEM serial portHi guys, this is my first post but not a happy one. I have bought 2 weeks ago an Sinclair PC200, when powerd up it shows the following message: "[B]E…
Dont scare me my friend. I have just look to the service manual and it shows some AMSxxxx chips... Didnt find any replacement chip for those :-x -
Dodgey R62 / D16 on Issue 2?Hello all, I am still beavering away trying to work out why my Issue 2 fails and after a much closer visual inspection I noticed what looks like som…
... Worsley's bible, the Sinclair service manual, circuit diagrams etc) from WoS ... -
Photo of the Spectrum +2 electronic board.Does anyone know where I can find a photo of the down side of the electronic board of Spectrum 128k +2? I mean NOT the side which you can see in …
try the +2 service manual
Not a photograph tho....
[url]ftp://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum128+2_ServiceManual.pdf[/url] -
Printed ZX Printer beltsImre Jakli from Hungary sent me some interesting pictures which I think are worth to share. These are about replacement belts he printed for the ZX P…
Smogit: since you logged off irc, I had another thought about the printer. I can't remember exactly but the feed button possibly doesn't work when there's no paper in.
If that's not it, have you downloaded the service manual? -
Printed ZX Printer beltsImre Jakli from Hungary sent me some interesting pictures which I think are worth to share. These are about replacement belts he printed for the ZX P…
... it, have you downloaded the service manual?[/QUOTE]
I just ... -
Printed ZX Printer beltsImre Jakli from Hungary sent me some interesting pictures which I think are worth to share. These are about replacement belts he printed for the ZX P…
I will dig out the service manual :-) (for those who don't ... -
48k noise problem..Hi guys, I need some hardware advice with my old 48k. The machine is VERY noisy - I've fixed the video noise by performing the 'composite' mod, but …
... 've found the ZX 48 service manual, so will open her up ... -
ZX Printer TroublesI've had a ZX printer sat about on the side for a while now and I eventually found the time and decided to try it out. I've hooked it up to a 48k Spe…
... 8 of the ZX printer service manual the LED flashes a beam ... -
ZX Printer TroublesI've had a ZX printer sat about on the side for a while now and I eventually found the time and decided to try it out. I've hooked it up to a 48k Spe…
... 80's :p
Service manual says 50v should be present ... -
Is it possible to use a +2b tape deck with a +2 grey motherboard?As per the subject really.. I've tried this and it doesn't work properly.<div><br></div><div>I can hear the tape playing through the TV but no loadin…
If you believe the service manual, the Grey +2 pinout is ... it...
On the +2B service manual shows the "C3-4523 GEM ... -
Is it possible to use a +2b tape deck with a +2 grey motherboard?As per the subject really.. I've tried this and it doesn't work properly.<div><br></div><div>I can hear the tape playing through the TV but no loadin…
As I say, the schematic in the +2B service manual is wrong. It bears little resemblance to the PCB layout shown next to it.
Doesn't surprise me if the TEST pin disappears on later decks, since the pin isn't connected on the +2B motherboard. -
Issue 3 /3b power rail improvements<!--[if gte mso 9]><xml> <o:OfficeDocumentSettings> <o:AllowPNG/> </o:OfficeDocumentSettings> </xml><![endif]--> <p class="MsoNormal">Hi F…
... -5 Volt.
The 48K Service Manual is your friend. (Should be ... -
Issue 3 /3b power rail improvements<!--[if gte mso 9]><xml> <o:OfficeDocumentSettings> <o:AllowPNG/> </o:OfficeDocumentSettings> </xml><![endif]--> <p class="MsoNormal">Hi F…
... , the details are in the service manual. Service centres were suppose to carry ... -
Issue 3 /3b power rail improvements<!--[if gte mso 9]><xml> <o:OfficeDocumentSettings> <o:AllowPNG/> </o:OfficeDocumentSettings> </xml><![endif]--> <p class="MsoNormal">Hi F…
... therefore completely right that the service manual 'demands' the modifications.
Note ... -
Issue 3 /3b power rail improvements<!--[if gte mso 9]><xml> <o:OfficeDocumentSettings> <o:AllowPNG/> </o:OfficeDocumentSettings> </xml><![endif]--> <p class="MsoNormal">Hi F…
... , the details are in the service manual. Service centres were suppose to carry ... therefore completely right that the service manual 'demands' the modifications.
Note ... -
IF1 Network not working<p>Dear all,</p><p>I am looking for some hint or advice to get the Network on my IF1 running again. I have in total 3 IF1 where at 2 of them the Netw…
... mentioned in the IF 1 service manual runs smooth, result
“pass ... -
Replacing foam pads on top of heatsink in Spectrum+Inside a Spectrum+ that I'm working on, the 2 foam pads on top of the heatsink (see photo for where they were) had become a disintegrated mushy pile …
... this was recommended in the service manual (but it's been a ... -
Basic SAVE and ZX Printer supportIs there a list of emulators that support any of these two features (basic SAVE and print to printer port)? Is there a emulator comparison some wh…
...
Also read the Service Manual, and some other online resources ... -
Spectrum CapacitorsLooking for some opinions here, if I may? In the 80's and 90's I used to repair Spectrums and other machines for a living so I'm reasonably famili…
... lifespan. For example, in the service manual the 1uF that lives under ... -
Is there a ZX Spectrum Hardware manual?I'm quite new to the ZX Spectrum world, looking for a definitive guide to the ZX Spectrum hardware so I can really start to understand what's going o…
... and other information in the service manual. However, quite a lot of ... -
C21 in ZX 128K+2Hi, What is the function of capacitor C21 in ZX 128K+2 ? It is missing in all schematics I got.
This board is iss3, revision 8628, but capacitor C21 exists also on other boards. It is not even listed in parts list in service manual.
It is +5v/GND, but what elements it is decoupling exactly ? -
Please test your ZX128+2 (grey model)Please reset your ZX128+2 (grey) and write in 128 basic (or in USR0 mode): [B]PRINT IN 32765[/B] - if basic crash (black screen) then your ZX contai…
... ) documented in the 128K’s service manual?
I guess the ... -
Some downloads fail meI want download the schema of the Spectrum +2A and I can not because appears a user and password request in all links of "SCHEMATICS, MANUALS AND TEC…
... board in the +2B/+3B service manual: ZXSpectrum128+2b-+3b_ServiceManual.pdf
12V Rail - Spectrum 48kOkay - I may just be having a senior moment here, but I'm running out of ideas. I'm working on a Spectrum Issue 4S board,and have had to remove al…
... the parts list in the service manual, as I think it is ...Faulty Issue 1Hi all, thought I'd document my efforts in getting another speccy working. I've never done this before so please bear with me... I recently took a p…
-4.5v is normal for the -5v line on issue 1 and 2 models. Tolerance according to the service manual is -5.5v to -4v.
BSudden death of ZX Spectrum 48KHello A friend gave me a 48K rubber keyed Spectrum. I brought it home, hooked it up to my little TV and powered it up. I was very happy to see t…
... motherboards? I will download the service manual.Help with Spectrum 128k reparationHi! I have the following symptoms with a 128k unit version 6U - On power on, black and white bars (one char width each), white background - Once po…
... for now.
The service manual (zxs128tm.pdf) has 16k and ...Fuller FDS keyboardHi folks, Bit of a head scratcher for me since I found one of these whilst looking for dead Speccy boards and there doesn't appear to be a whole l…
... layout (see the ZX Spectrum service manual) ;-)
[b][i]Mark ...+2 Grey - bluey about to blowI've been turning the TR4 bits around inside my Spectrun +2 Grey issue 3 and noticed that it looks like the blue guy is about to burst.... (I had ph…
The service manual say 100μH
Very strange for it to be burnt though. :-S
