ZX Spectrum +2 Repair. (No. 7). Part 3.

ZX Spectrum +2 Repair. (No. 7). Part 3. Changing the ROM. Overhauling the cassette player and repairing its broken keys. Re-balancing the volume levels of audio outputs. Adding an external audio input for loading software from phones, laptop computers, etc. PART 1:    • ZX Spectrum +2 Repair. (No. 7). Part 1.   PART 2:    • ZX Spectrum +2 Repair. (No. 7). Part 2.   PART 4:    • ZX Spectrum +2 Repair. (No. 7). Part 4.   PART 5:    • ZX Spectrum +2 Repair. (No. 7). Part 5.   PART 6:    • ZX Spectrum +2 Repair. (No. 7). Part 6.