Faites à ceci mon favori Sinclair ZX Spectrum Leningrad 48 Kb Kit DIY

Catégorie:
Rétros Ordinateurs >> Sinclair >> Sinclair ZX Spectrum >> Hardware >> General / Add-Ons
Listing type:
Fixed Price Multiple Items
Item Condition:
New
Localisation du vendeur:
Khabarovsk, Khabarovskiy kray, Russian Federation
Ending in:
24es jours, 16h : 29m : 29s
Quantity Available
5
Budget fixe:
US$95.00 Achat immédiat
Shipping Costs:
A partir fe US$12.00
Méthodes de paiement:
Pay Pal
Number Sold:
0 (Visualiser l'historique)

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Item Number : 39954

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Description

Set for self-assembly of a retro computer, clone ZX Spectrum. Included are all parts. ZX Spectrum Leningrad 48kb (modified board)
 
 
Set for self-assembly retro computer, clone ZX Spectrum. Included are all parts. ZX Spectrum Leningrad 48kb (modified board). The diameter of vias is reduced to 0.4 mm and hidden under the mask
PCB covered with blue solder mask and silk-screen printing
A mounting field has been added to install a tape reader unit on a circuit with K561LN2.
Added mounting field for speaker installation on the board
Added mounting field for power connector installation
Added pins for installing SMD tantalum capacitors on the power bus
Added pins for installing SMD components instead of pinouts
The diameter of the holes in the mounting fields is increased to 1 mm so that you can insert and solder the pin connectors or IDC connectors.
ROM chip now need to install one, for example W27C512
Video output for connecting to a TV via SCART is made on  transistors
Conclusions 1 RU5-x are interconnected to simplify the upgrade. Added mounting field for audio connector (lin.vhod).
Unused trigger leads pulled up on + power.
The 10K pull-up resistors for the Z80 data bus are replaced by a resistor assembly.
Contacts have been added to install a 2.2 nF Capacitor between pins 4 and 7 of the K555LE1 chip (setting the circle in the symbol (s),).
And also provided
place for a 560pf capacitor between pins 6 and 7 LL1
 

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Item Location:
Khabarovsk, Khabarovskiy kray, Russian Federation
Conditions de livraison:
Acheteur paie les frais de livraison
Commission de livraison:
  • À Russian Federation :
  • First Class Post : US$12.00 Pour l'objet initial, US$9.00 Par article supplémentaire
  • À UE :
  • Courier : US$39.00 Pour l'objet initial, US$9.00 Par article supplémentaire
  • À Europe (Non EU) :
  • Courier : US$39.00 Pour l'objet initial, US$9.00 Par article supplémentaire
  • À Americas (Non USA) :
  • Courier : US$39.00 Pour l'objet initial, US$9.00 Par article supplémentaire
  • À Reste du monde :
  • Courier : US$39.00 Pour l'objet initial, US$9.00 Par article supplémentaire
  • À USA :
  • Courier : US$39.00 Pour l'objet initial, US$9.00 Par article supplémentaire
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