Barco GRAPHICS 1209S Service Manual page 317

R762716
EHT Module
SAFETY PRECAUTION
SWITCHING TRANSISTOR Q12 REMOVAL/REPLACEMENT
RE-INSTALL ALWAYS THE INSULATING DEVICE BETWEEN THE
SWITCHING TRANSISTOR Q12 AND THE HEATSINK AND THE
TRANSISTOR CLAMP.
PROCEED TO A LEAKAGE CURRENT HOT CHECK AS DESCRIBED IN
THE SAFETY NOTICES
Date: 10/02/98 R762716
SAFETY PRECAUTION