Greg, From Tech Repair CD: Philips\27PT31B121* 27PT41B121\A small number of models equipped with the H8 chassis may show one or more of the following* constantly or intermittent\Dead Set*No Raster*No Sound*Snowy Picture*Geometry Errors*Missing Color\\27H8\Poor contact of the Small Signal Board\Remove power for 1 minute. Then remove the SSB and clean the SSB contacts. Do not spray contact cleaner into the SSB socket. It might be damaged by some solvents.\Reinstall the SSB and check operation. Replacement socket is available as 2422 025 16599\\\\\\ Philips\32PT71B121\Intermittent problems\\\32H800\Replace zener diode 6031 on the SSB (small signal board) with Service Code 9322 131 13685* a 2.4 volt part.\The zener is on the side of the SSB facing the tuner* just above pin 5 of IC 7066. The PWB is marked A and K. The end of the part with the bar is K\\\\\\\ Jeff -- Intrepid Video TV/VCR Repair 263 S Front St, Steelton PA 17113 717-939-7708; (F) 717-564-4952 www.intrepid-video.com www.tech-repair.net ----- Original Message ----- From: "Gregory Smith" <gaserv@xxxxxxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Thursday, September 09, 2004 9:55 AM Subject: [TechAssist] phillips 27H8 Set loses audio very intemittentely. May play a day or 2, then lose audio. When it loses audio, can hold vol up or down and audio comes back while button is pressed. When button is released, audio drops out again. Vol does increase or decrease while buttons are pressed. Disconnected button assembly at both ends. Problem still happens. No manual. Any suggestions? Thanks. Gregory B. Smith G & A Electronic Services 2521 N. Laurent Victoria, TX 77901 Ph. 361-575-1998 gaserv@xxxxxxxxxxxxxxxx ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/ ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/