7-1
SECTION 7
ADJUSTMENT
RDR-GX300/GX700
7-1.
Video System Adjustment
Preparing for Adjustment
1. Equipments
• Oscilloscope
• Reference Disk
HLX-507 (PAL single layer disk) J-6090-077-A
HLX-506 (PAL dual layer disk) J-6090-078-A
1. Videl Levl Adjustment (RD-50 Board)
<Purpose>
This adjustment is made to satisfy the PAL standard, If it is adjusted
incorrectly, brightness will be too bright or too dark.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
LINE OUT (VIDEO) connector
(terminated in 75
Ω
)
Instrument
Oscilloscope
Adjusting element
RV001
Specification
1.0 Vp-p
Adjusting method:
1)
Insert the reference disk and play back the 100% color bars.
2)
Adjust RV001 for 1.0 Vp-p.
Fig. 7-1.
2. S-Video Output S-Y Check
<Purpose>
This check confirms that the S-video output. If it adjusted incorrectly,
color will be to dark or too thin.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
S VIDEO OUT (S-Y) connector
(terminated in 75
Ω
)
Instrument
Oscilloscope
Specification
1.0
±
0.06Vp-p
Adjusting method:
1)
Insert the reference disk and play back the 100% color bars.
2)
Confirm that the S-Y level is 1.0
±
0.06 Vp-p.
1.0
Vp-p
+ 0.04
– 0.02
Fig. 7-2.
1.0
±
0.06Vp-p
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