Sony HCD-C900 Service Manual page 47

3. Checking S Video Output S-C (DVD BOARD)
<Purpose>
This checks whether the S-C satisfies the NTSC Standard. If it is
not correct, the colors will be too dark or light.
Mode Video level adjustment in test mode
Signal Color bars
Test point CN003 pin 2
Instrument Oscilloscope
Specification 286 ± 50 mVp-p
Connection:
100µF
+
75Ω
100k
±1% ±1%
Checking method:
1) Confirm that the S-C burst is 286 ± 50 mVp-p.
Figure 5-3
CN003
2
Oscilloscope
3
286 ± 50 mVp-p
4-2. ADJUSTMENT RELATED PARTS
ARRANGEMENT
DVD BOARD (SIDE A)
RV501
VIDEO LEVEL ADJ
HCD-C700/C900
2
CN003
1 9
29