Añadir a mis favoritos Sinclair ZX Spectrum Leningrad 48 Kb Kit DIY Red

Categoría:
Computadoras Retras >> Sinclair >> Sinclair ZX Spectrum >> Hardware >> General / Add-Ons
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Item Condition:
New
Ubicación del vendedor:
Khabarovsk, Khabarovskiy kray, Russian Federation
Tiempo restante:
13 días, 22h:49m:45s
Cantidad disponible:
5
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US$185.00 ¡Cómpralo ya!
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0 (Ver historial)

Item Number : 64551

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Precio fijo: US$185.00
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Descripción

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 Red 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
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  • Courier : US$39.00 Por artículo inicial, US$9.00 Por artículos adicionales
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  • Courier : US$39.00 Por artículo inicial, US$9.00 Por artículos adicionales
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  • Courier : US$39.00 Por artículo inicial, US$9.00 Por artículos adicionales
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