Section 4 - Fault Diagnosis and Repair
- Elpekos
Owned by Elpekos
| Â | Contents : | Â | Figures : | Â | Tables : |
|---|---|---|---|---|---|
| 4.1 | 4.1 | JEDEC Modification Solder Side of Board | 4.1 | Power supply voltages | |
| Â | Test Equipment | 4.2 | JEDEC Modification Component Side of Board | 4.2 | Typical voltages |
| Â | Modification History | Â | Â | 4.3 | Typical waveforms and voltages |
| 4.2 | Fault Diagnosis | Â | Â | 4.4 | Coma voltages |
| Â | Techniques | Â | Â | Â | Â |
| Â | Power Up | Â | Â | Â | Â |
| Â | Keyboard | Â | Â | Â | Â |
| Â | 128k RAM Packs | Â | Â | Â | Â |
| 4.3 | Repair | Â | Â | Â | Â |
| Â | General | Â | Â | Â | Â |
| Â | EPROM Substitution | Â | Â | Â | Â |