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| Spanish Spectrum 128 RGB Differences |
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The Spanish Spectrum 128 (Investronica Model 2.1) also provides a female 8 pin DIN (type 45326) for its monitor socket. On some models the pin-out
is identical to the UK Spectrum 128 but on others the signals output by each pin are different, as shown below.
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| Pin |
Signal |
Level |
| 1 | - | - |
| 2 | 0 Volts DC | 0V |
| 3 | Composite Video | 75 ohm, 1.2V pk-pk |
| 4 | Composite Sync | TTL |
| 5 | Bright Output | TTL |
| 6 | Green | TTL |
| 7 | Red | TTL |
| 8 | Blue | TTL |
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The internal circuitry of the monitor socket is identical to that of the UK Spectrum 128.
The complete wiring of a RGB SCART lead for the Spanish Spectrum 128 is shown below.
