Yamaha DVD-C996 Service Manual page 27

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3. Video Component Signal (CB) Output Confirmation
Do this confirmation after replacing a P.C.B.
Video output terminal (Y) (CB) Output terminal
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).
For B, A, G Models
TE
L 13942296513
For U, C, R Models
www
.
http://www.xiaoyu163.com
Measurement point
Measuring equipment, tools
Screwdriver, Oscilloscope
100mV/div, 10 usec/div
x ao u163
y
i
http://www.xiaoyu163.com
2 9
8
Mode
Color bar 75%
PLAY (Title 46): DVDT-S15
PLAY (Title 10): DVDT-S01
Confirmation value
525mVp-p±11mV (B, A, G Models)
486mVp-p±10mV (U, C, R Models)
Q Q
3 6 7 1 3 1 5
486mV
±
10mV
co
.
DVD-C996/DV-C6280
9 4 2 8
Disc
DVDT-S15 (AAX07320)
or
DVDT-S01 (TX946080)
0 5 8 2 9 9 4 2 8
m
9 9
9 9
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