Capacitors for Spectrum 128 modelsProducts:
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Anti-Jailbar capacitors for Toastrack Spectrum 128
- It has been found that replacing C7 and C8 with 1uf ceramic capacitors and the 22uf electrolytic cap at C28 with a 47uf version often reduces the jailbar effect on the "toastrack" Spectrum 128. This kit contains all three caps. More info can be found here.
- Can also be used in the 128 +2 with Issue 1 board (using the axial 47uf cap at C52 (replacing its 22uf) and 1uf caps at c74 and c66)
Replacement Electrolytic Capacitors for the "Toast Rack" Spectrum 128
- This pack is for re-capping the Spectrum 128 known as the "Toast Rack" (due to the heatsink fins on the right hand side).
- Caps are blue in colour
- Contents (all axial type capacitors)
- 1uF - C27,C123,C127
- 4.7uf - C74
- 22uF - C28,C34,C50,C80
- 47uF - C111,C112,C131
- 100uF - C25,C44,C45
Capacitors for the Spectrum 128+2 Issue 1 motherboard
- This pack is for re-capping the grey Spectrum 128 +2 with a motherboard marked "ISS1" (which has mainly axial type capacitors)
- Also includes capacitors for the tape unit PCB
- The main PCB caps are high quality blue Dubilier brand axial types (unfortunately, the cheaper black types were discontinued by the supplier).
- Instructions provided.
Contains (for main PCB - all axial except the 220uf)
- 4 x 1uf
- 1 x 4.7uf
- 1 x 10uf
- 5 x 22uf
- 2 x 47uf
- 3 x 100uf
- 1 x 220uf
and for Tape PCB:
- 1 x 1uf (radial)
- 1 x 10uf (axial and radial)
- 1 x 22uf (axial and radial)
- 1 x 100uf (axial and radial)
- 1 x 470uf (radial)
Capacitors for the Spectrum 128+2 Issue 3 (or 5) motherboard
- This pack is for re-capping the grey Spectrum 128 +2 with a motherboard marked ISS3 (or 5) which has only radial type capacitors on the mainboard.
- Also includes capacitors for the tape unit PCB.
- High quality, long life known-brand capacitors (from Panasonic, Kemet, Rubycon, Dubilier etc)
- Instructions provided.
Contents - For mainboard:
- 4 x 1uf - c29, c36, c49, c50
- 1 x 4.7uf - c39
- 1 x 10uf - c24
- 5 x 22uf - c81, c23, c52, c62, c63
- 47uf x 2 - c22, c25
- 100uf x 3 - c6, c41, (c68),
- 220uf x 2 - c5, (c68)
For Tape PCB:
- 1 x 1uf - (radial) was soldered to back of tape PCB on some machines (factory mod)
- 1 x 10uf (radial and axial) - c324
- 1 x 22uf -(radial and axial) - c318
- 1 x 100uf (radial and axial) - c315
- 1 x 470uf (radial) - c322
Capacitors for the Spectrum 128+2A (black case) Issue 1 motherboard
- This pack is for re-capping the black-cased Spectrum 128 +2A (which has only radial type capacitors)
- Also includes capacitors for the tape unit PCB
Contents:
For main PCB (all radial types)
Tape PCB (all radial types)
- 1 x 1 uf
- 1 x 10 uf
- 1 x 100µF
- 1 x 470µF
Capacitors for the Spectrum 128+3 motherboard
- This pack is for re-capping the Spectrum 128 +3 with a motherboard marked Z70830 / Z70835
Contents:
Ten 100nf (0.1uf) ceramic disc capacitors
- As used in various locations the PCB (usually marked "104" on the body of the cap) of the Commodore 64, Spectrum and other micros
- Ceramic capacitors do not age in the same way as electrolytics so usually don't need to be replaced, but they are quite fragile and sometimes found physically damaged.
Ten 10nf (0.01uf) ceramic disc capacitors
- As used in various locations the PCB (usually marked "103" on the body of the cap) of the Commodore 64, Spectrum and other micros
- Ceramic capacitors do not age in the same way as electrolytics so usually don't need to be replaced, but they are quite fragile and sometimes found physically damaged.
Ten 22nf ceramic disc capacitors
- As used in various locations the PCB (usually marked "223" on the body of the cap) of the Commodore 64, Spectrum and other micros
- Ceramic capacitors do not age in the same way as electrolytics so usually don't need to be replaced, but they are quite fragile and easily damaged.
Ten 4.7nf ceramic disc capacitors
- As used in various locations the PCB (usually marked "472" on the body of the cap) of the Commodore 64, Spectrum and other micros
- Ceramic capacitors do not age in the same way as electrolytics so usually don't need to be replaced, but they are quite fragile and sometimes found physically damaged.
Ten 47nf ceramic disc capacitors
- As used in various locations the PCB (usually marked "473" on the body of the cap) of the Commodore 64, Spectrum and other micros
- Ceramic capacitors do not age in the same way as electrolytics so usually don't need to be replaced, but they are quite fragile and easily damaged.
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