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