Video Component Signal (Cb) Output Adjustment - Panasonic DVD-RV60 Service Manual

12.3. Video Component Signal (CB) Output Adjustment

Do this adjustment after replacing a P.C.B.
Measurement point
Video output terminal
(Y) (CB) Output terminal
Measuring equipment, tools
Screwdriver, Oscilloscope
100mV/div, 10µsec/div
Purpose: To maintain video signal output compatibility.
1. Connect the oscilloscope to the video component output terminal and terminate at 75 ohms.
2. Apply the trigger at the Y output terminal signal.
3. Adjust VR3201 so that the video component signal (CB) level becomes 486 mVp-p ±10 mV.
Adjustment point
VR3201 (module P.C.B.)
PLAY (Title 46):DVDT-S15
PLAY (Title 12):DVDT-S01
27
Mode
Color bar 75% DVDT-S15
DVDT-S01
Adjustment value
486mVp-p±10mV
DVD-RV60
Disc
or