Servicing Personal Computers, 3rd Edition

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Figure 3.8. Various board connectors in the Amstrad PPC512

Figure 3.9. Internally fitted switched-mode mains power supply sub-chassis in the Atari 1040 STFM

Fault diagnosis 109

5. We will now assume that access has been gained to the main CPU board such that

measurements can be made. At this stage it is probably worth while checking the inter-PCB

connectors within the equipment. These can take various forms, from simple PCB edge

connectors to more elaborate multi-pole indirect types. Unfortunately, connectors are a

regular cause of problem ...