check for 24v on pin 2 of u4501. r4511 may be pened. the 26v source is on pin 10 of flyback. this supplies both vertical and audio. al marquardt ampm@xxxxxxx ----- Original Message ----- From: Patrick Fugere <p_fugere@xxxxxxxxxxxx> To: Techassist <techassist@xxxxxxxxxxxxx> Sent: Thursday, September 06, 2001 5:41 PM Subject: [TechAssist] TV RCA CHASSIS 177 MODEL F25631SE NO VERTICAL NO SOUND. > > Hi, > > TV RCA CHASSIS 177 MODEL F25631SE NO VERTICAL NO SOUND. I already > replaced U4501 and C4504 and still H-line. > > > Any idea? Schematic? > > Pat > > > > > Help make your TechAssist online repair tips > database better! Submit your fixes here: > http://www.circuitwork.com/techassist/tip/#tips > To unsubscribe write to: > techassist-request@xxxxxxxxxxxxx > with unsubscribe in the subject line. > Help make your TechAssist online repair tips database better! Submit your fixes here: http://www.circuitwork.com/techassist/tip/#tips To unsubscribe write to: techassist-request@xxxxxxxxxxxxx with unsubscribe in the subject line.