Sony HCD-C900 - Page 47

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HCD-C700/C900
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:
Checking method:
1) Confirm that the S-C burst is 286 ± 50 mVp-p.
Figure 5-3
286 ± 50 mVp-p
3
2
100µF
75Ω
±1%
100k
±1%
CN003
+
Oscilloscope
4-2. ADJUSTMENT RELATED PARTS
ARRANGEMENT
DVD BOARD (SIDE A)
1
2
9
CN003
RV501
VIDEO LEVEL ADJ