Last night I got unexpectedly bitten by a WPC95 AV board.
I was pushing on the heatsinks at the top of the board which are part of the DMD regulator circuitry.
Turns out there's decent volts on both - must be bare metal onto the tab of the transistors.
Measured nearly 220VDC between them (on paper -125 and +62 for the DMD volts).
I made a funny spaz noise for a few seconds. Glad no-one heard. Then again, I'm glad I didn't have my other hand on the siderail!
Lesson learnt. Careful guys.. its not all friendly 5V under the hood!
Tim
I was pushing on the heatsinks at the top of the board which are part of the DMD regulator circuitry.
Turns out there's decent volts on both - must be bare metal onto the tab of the transistors.
Measured nearly 220VDC between them (on paper -125 and +62 for the DMD volts).
I made a funny spaz noise for a few seconds. Glad no-one heard. Then again, I'm glad I didn't have my other hand on the siderail!
Lesson learnt. Careful guys.. its not all friendly 5V under the hood!
Tim
