Yes and you need to trigger on the switch pulse (30HZ) on Channel one of scope and channel2 on playback FM adjust tape guide rollers for a flat response on both heads. I would adjust head switching first. Phillip R Hull phil245@xxxxxxxxxxxxx ----- Original Message ----- From: "goodrich" <goodrich@xxxxxxxxxxxxxx> To: "TECHASSIST" <techassist@xxxxxxxxxxxxx> Sent: Tuesday, May 07, 2002 10:01 AM Subject: [TechAssist] VCR compatability question > When you have a VCR with a tracking problem and after > you adjust the video tapepath guide post ,using a commercially recorded tape, and have centered the tracking > front panel control, you wind up with a VCR that is not > record compatible with other VCR's. Do I put my > oscilloscope probe on the output of video head preamp? > I think the waveform needs to be flat along the top > of the video head signal.More times than not I > never have a schematic. > I apologies if this is a elementary question, but this > is why I join this group, to learn from the more experience > Tech's. > > Darrell Goodrich/ > Goodrich Electronics > Lubbock,Texas > goodrich@xxxxxxxxxxxxxx > > ------------------------------------------ > To REMOVE your email address, click here: > http://www.tech-assist.org/unsubb.html > ------------------------------------------ > ***NEW*** Tips Added Instantly!!!*** > Submit Repair Tips here: > http://www.tech-assist.org/secure/tip/ > ------------------------------------------ To REMOVE your email address, click here: http://www.tech-assist.org/unsubb.html ------------------------------------------ ***NEW*** Tips Added Instantly!!!*** Submit Repair Tips here: http://www.tech-assist.org/secure/tip/