Had this due to those VDR's around the heat sink of those transistors.Change'm. Keith Trumbla wrote: > > > > ---------------------------------------------------------------------------- > Chat with friends online, try MSN Messenger: Click Here[1] > > --- Links --- > 1 'http://go.msn.com/bql/hmtag1_etl_EN.asp' > ------------------------------------------ > Help make your TechAssist database better! > Submit your fixes here: http://circuitwork.com/techassist/tip/#tips > ------------------------------------------ > To UNSUBSCRIBE your email address, click here: > mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe > Or send a BLANK email with unsubscribe in the > SUBJECT field to the address above. ------------------------------------------ Help make your TechAssist database better! Submit your fixes here: http://circuitwork.com/techassist/tip/#tips ------------------------------------------ To UNSUBSCRIBE your email address, click here: mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe Or send a BLANK email with unsubscribe in the SUBJECT field to the address above.