Electrical Adjustment; Video Output (Luminance Signal) Adjustment; Video Output (Chrominance Signal) Adjustment - Panasonic DVD-RV60 Service Manual

DVD-RV60

12 Electrical Adjustment

12.1. Video Output (Luminance Signal) Adjustment

Do this adjustment after replacing a P.C.B.
Measurement point
Video output terminal
Purpose: To maintain video signal output compatibility.
1. Connect the oscilloscope to the video output terminal and terminate at 75 ohms.
2. Adjust VR3501 so that the luminance signal (Y+S) level becomes 1000 mVp-p±20 mV.

12.2. Video Output (Chrominance Signal) Adjustment

Do this adjustment after replacing a P.C.B.
Measurement point
Video output terminal
Purpose: To maintain video signal output compatibility.
1. Connect the oscilloscope to the video output terminal and terminate at 75 ohms.
2. Adjust VR3511 so that the chrominance signal (C) level becomes 621 mVp-p±12 mV.
Adjustment point
VR3501 (mother P.C.B.)
Measuring equipment, tools
Screwdriver, Oscilloscope
200mV/div, 10µsec/div
Adjustment point
VR3511 (mother P.C.B.)
Measuring equipment, tools
Screwdriver,Oscilloscope
200mV/div, 10µsec/div
Mode
Color bar 75%
PLAY (Title 46):DVDT-S15
PLAY (Title 12):DVDT-S01
Adjustment value
1000mVp-p±20mV
Mode
Color bar 75%
PLAY (Title 46):DVDT-S15
PLAY (Title 12):DVDT-S01
Adjustment value
621mVp-p±12mV
26
Disc
DVDT-S15
or
DVDT-S01
Disc
DVDT-S15
or
DVDT-S01