No vertical, check the + and - 15 V supply from the IHVT to the Vert amp...Amp is just that...an amp. Signal comes from the video jungle IC so check for 2 sawtooth signals going to the Vert amp...They are 180 deg out of phase (inverted). IF YOU DON'T have HI Voltage, you don't have Vert B+ and B- Damon B Telrad Electronics Fort Wayne IN ----- Original Message ----- From: "Paul" <dntwntv@xxxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Wednesday, September 21, 2005 5:44 PM Subject: [TechAssist] Sony KV-27FS100L Ch BA6 or BA5D > Set tries to start then blinks 4 times. This chassis is one of the type with bad tact sw. I unsoldered the power sw,but still does the same thing. Anyone know what the 4 blink code is? > Paul > > > Paul ,B > Central TV&Video > 911W Grand Ave > Grover Beach Ca. > (805)481-8084 > > -------------------------------------------------------------------------- --- > This Email List is accessible to the general public through search engines. Remove: http://www.tech-assist.org/remove.htm > Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation > Lost Password: http://www.tech-assist.org and select "Login Problems?". > Email Archives: //www.freelists.org/archives/techassist/ > ----------------------------------------------------------------------------- This Email List is accessible to the general public through search engines. Remove: http://www.tech-assist.org/remove.htm Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/