Z64 V3 freezes

You have to do two little mods to prevent it from overheating

1) Z64 Overheating Mod

2) Replace transistor Q3

Furthermore it can freeze because the V3 was at first shipped with a faulty transistor. The faulty Q3 should have 9013 printed on it and the good one 9013 H. If you replace the transistor you may not need to short it.

There are also V3's that have no transistor at all: