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HCD-XGV6/XGV8/XGV10AV
VIDEO SECTION
Note :
1. VIDEO board is basically designed to operate without adjust-
ment. Therefore, check each item in order given.
2. Use HLX-504 (J-6090-088-A) or HLX-505 (J-6090-089-A)
unless otherwise indicated.
3. Use an oscilloscope with more than 10M
Ω
impedance.
4. Clean the object lens by an applicator with neutral detergent
when the signal level is low than specified value with the
following checks.
Video Level Adjustment (VIDEO BOARD)
Purpose
This adjustment is made to satisfy the NTSC standard, and if not
adjusted correctly, the brightness will be too large or small.
Procedure:
1. Connect oscilloscope to VIDEO output.
2. Load a disc (HLX-504 or HLX-505) playback.
3. Adjust the RV501 to attain 1.0±0.1Vp-p.
J721
VIDEO OUTPUT
75
Ω
Oscilloscope
set
1.0
±
0.1 Vp-p
(WHITE 100%)
VIDEO BOARD (SIDE A)
IC508
IC505
RV501
VIDEO LEVEL
CN301
CN101
Summary of Contents for HCD-XGV10AV
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