Adjustment; Video System Adjustment; S-Video Output S-Y Check - Sony RDR-HX1010 Service Manual

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
NTSC : E,Taiwan
PAL : Russian, Australian, Singapore
1. Video Level Adjustment (MI-056 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 RV301 (Composite)
RV302 (Component)
Specification 1.0 Vp-p
Adjusting method:
1) Insert the reference disk and play back the 100% color bars.
2) Adjust RV301 (Composite) or RV302 (Component) for 1.0 Vp-
p.
Fig. 7-1.
SECTION 7

ADJUSTMENT

7-2. 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
Signal
Test point
Instrument
Specification
Adjusting method:
1) Insert the reference disk and play back the 100% color bars.
Confirm that the S-Y level is 1.0 ± 0.05Vp-p.
2)
1.0 Vp-p
+ 0.04
– 0.02
7-1
RDR-HX1010
Video level adjustment in test mode
Color bars
S VIDEO OUT (S-Y) connector
(terminated in 75 Ω)
Oscilloscope
1.0 ± 0.05Vp-p
1.0 ± 0.05Vp-p
Fig. 7-2.