DVD-C996/DV-C6280
DVD-C996
DV-C6280
26
3.
Video Component Signal (CB) Output Confirmation
Do this confirmation after replacing a P.C.B.
Measurement point
Mode
Disc
Video output terminal (Y) (CB) Output terminal
Color bar 75%
PLAY (Title 46): DVDT-S15
PLAY (Title 10): DVDT-S01
Measuring equipment, tools
Confirmation value
Screwdriver, Oscilloscope
100mV/div, 10 usec/div
525mVp-p
±
11mV (B, A, G Models)
486mVp-p
±
10mV (U, C, R Models)
DVDT-S15 (AAX07320)
or
DVDT-S01 (TX946080)
Purpose: To maintain video signal output compatibility.
1. Connect the oscilloscope to the video output terminal and terminate at 75 ohms.
2. Apply the trigger at the Y output terminal signal.
3. Confirm that the video component signal (CB) level is 525 mVp-p
±
11 mV (B, A, G Models) /486mVp-p
±
10 mV(U, C, R Models).
486mV
±
10mV
For B, A, G Models
For U, C, R Models