Neil, check R4109, C4403, U1001, CR4160, C3101, and Q3101. If it works @ 90v, R4116 & R4175 could be bad. -Clint Happy Thanksgiving & God Bless Us All Clint Hamilton, Owner http://OrpheusComputing.com http://ComputerHardware-ConsumerElectronics.com sales@xxxxxxxxxxxxxxxxxxxx Fax: 209-882-9602 TechAssist Administration http://tech-assist.org techassist@xxxxxxxxxxxxx ----- Original Message ----- From: <tvdoctors@xxxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Saturday, November 24, 2001 11:39 PM Subject: [TechAssist] RCA CTC159 Anyone have a schematic for the power supply for this set. Set tries to come on, can hear click from Osc/Hv and a small spark from anode. 12 volt regulator Q4161 measures C, 23.5 B,12.3 E,11.7. need schematic for power supply and any common problems with this circuit, Thanks, Neil TV Doctors 108 W. Main St. Monroe,Wa. 98272 360-794-6469 ================================= 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 ================================= 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