Doctor Who

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Manufacturer	System	Year	Model	Produced
Bally	WPC-	1992	20006	7,752

Doctor Who Playing Tips and Rule Sheet

Doctor Who Shop Guide

The time expander in Doctor Who can be very problematic - the opto boards crack and prevent the mushroom targets on the 2nd level of the time expander from working properly. Often the boards can be fixed with jumper wires and resoldering, and there are aftermarket boards available to replace both. Additionally, the plastic carrier the optos are attached too can warp, preventing the warped section from working. Finally, there is a cardboard shield attached to the carrier that prevents stray light leakage from affecting the optos (most notably during the Davros rounds). If it is missing usually you cannot complete the round as the light from the lock lamps prevents the optos from turning off.

An excellent guide to mini-playfield problems, fixes, operation and rebuilding [sites.google.com/site/pinballfaz]
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