Here's some "no video" issues with the CTC140. HTH, Phil Bader RCA\CTC140\NO VIDEO\\\\CHECK CR4701 AND L4700 FOR OPEN CONNECTIONS & U3100\\\\\\\\ RCA\CTC140\NO VIDEO HAS SOUND\\\\REPLACE U3501 OR CR2501 LEAKY LOCATED OFF U2300 PIN 13\\\\\\\\ RCA\CTC140\Tuner video missing for the first 3 to 5 minutes after turning the\\\\Replacing L3601 restored normal operation.\\\\\\\\ RCA\CTC140\Video missing\\\\RESOLDERING DL8201\\\\\\\\ RCA\CTC140\Video missing (intermittent).\\\\Repaired a bad solder connection where the PW VLT board solders into\\\\\\\\ RCA\CTC140\Video missing audio was normal.\\\\C3117\\\\\\\\ RCA\CTC140\Video missing* audio normal with TV channel selected.\\\\C2508\\\\\\\\ RCA\CTC140\NO VIDEO\\\\CHECK CR4701 & L4700 FOR OPEN CONNECTIONS & U3100 LOCATED\IN SYSTEM CONTROL CIRCUIT MAY BE INTERMITTENT ALSO CHECK\CR2501 LOCATED OFF U2300 PIN 13 IN I.F. CIRCUIT MAY BE LEAKY\& CR2702\\\\\ RCA\CTC140\POOR CONTRAST (BYPASSING PIP MODULE SET WORKED OK).\\\\REPLACED OPEN R8226 LOCATED ON THE CPIP MODULE.\\\\\\\\ Phil Art Bevilacqua wrote: >I've used the best schematic that I have for this unit (Sams 2709) to = >track >the loss of video to the A/V board. Jumping across the board, we've got = >a >great picture.=20 > >We aren't doing so well scoping the signal through that board though = >because >our schematics only show a single video switch chip (U6201) and a single >audio switch (U6101), and this set has two of each. Sams 2709's picture = >of >the board shows locations for all four chips, with two chips missing, = >and >also many RCA phono sockets missing (this CTC140CL set has more inputs = >than >the CTC140AJ)=20 > >Would anyone have just the sheet showing the Audio/Video board of this = >set? >It's a monster and we'd love to get it off the bench. > >Thanks, Art > >Art Bevilacqua >Essex Radio and TV >40 Main Street >Essex, MA 01929 > > > > > >----------------------------------------------------------------------------- >Lost Password: >http://www.tech-assist.org and select "Login Problems?". >Email Archives: >//www.freelists.org/archives/techassist/ > > > > -- Philip Bader Jan Phyl TV Inc. (estab. 1976) 3420 Recker Hwy. Winter Haven, Fl. 33880 Fax (863) 299-8821 email: tjanphyl@xxxxxxxxxxxxxxx -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.6.9 - Release Date: 1/6/2005 ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/