14MHz Crystal

Main system timing crystal for the ZX Spectrum

15 Ohm 1 Watt Resistor

Used at position R34 on Spectrum boards

15 Ohm Resistor 

• Used at R62 - Can easily burn out especially if there has been smoke / problems with TR4/TR5
• Symptoms when bad: Spectrum essentially OK but very dark / no / monochrome video (and unnaffected by trimmers on issue TWOs). Pin 14 of LM1889 (IC14) is a lot lower than 12v.

7805 Voltage Regulator

Replacement 5 volt regulator IC for the Spectrum, (breadbin) Commodore 64, ZX81 etc

Heatsink for issue 2 Spectrum PCB (used)

Includes nut+bolt for attachment.

Heatsink for issue 3 Spectrum PCB (used)

• Includes standard flat blade attachment bolt, shake-proof washer and nut - if you'd prefer a Samsung type bolt, let me know in the Special Instructions box during checkout.
• When fitting: Bolt passes through washer, then 7805, then heatsink then PCB. Nut is on PCB's underside.

An original internal reset switch for Spectrum+ (used)

• As used in the Spectrum+ (soldered across capacitor C27 - or at the provided pads on issue 6 motherboards)
• Tested, working.

Replacement foam pads for Spectrum+ legs

A pair of self-adhesive foam pads to replace those found on the Spectrum+ support legs (which often will have crumbled with age)

A pair of 2.2K trimmers (variable resistors)

• As used on Issue TWO Spectrum PCB for adjusting colour output  (the old trimmers can become intermittent and unreliable) 
• Two supplied in this pack.

Replacement DC Jack plug for Spectrum PSU

• A good quality, high current rated replacement for the original PSU jack plug.
• Remember when soldering: The Spectrum PSU is unusual in that the inner pin is negative and the outer barrel is positive. (Getting these reversed will fry your Spectrum!)

Case screw for ZX Spectrum (longer type - 12mm - for later rubber key cases)

• New black self-tapping countersunk screw
• This is the slightly longer version (12mm) suitable for later type rubber key Spectrum cases only (if in doubt, choose the shorter type)
• Sold individually

Case screw for Rubber Key ZX Spectrum (Shorter type - 10mm)

• New black self-tapping countersunk screw
• Short type (10mm) suitable for earlier rubber key cases (eg: those with 001-xxxxx and 002-xxxxxx serial numbers). They can also be used in the later cases as long they are not over-tightened.
• Sold individually