4-2-13. Wf Out R/B Dc Offset Adjustment; 4-2-14. Carrier Balance Adjustment - Sony CCU-TX7 Service Manual

4-2-13. WF OUT R/B DC OFFSET Adjustment
Equipment : Waveform monitor
To be extended : ES-20 board
Preparation :
¢ Select the BARS mode on the RCP-TX7.
Test point : WF OUT connector/CCU rear panel
Adjustment Procedure :
* Adjust @RV511 (R DC BAL), @RV514 (B DC BAL)/ES-
20 board so that the DC levels of "R" and "B" are same as
that of "G" even after the MONITOR SELECT button /
RCP-TX7 is selected "R", "G" and "B".
Specification : DC level +1 mV ("G")
CCU-TX7 (EVV1
4-2-14. Carrier Balance Adjustment
Equipment : Vectorscope (MAX GAIN)
To be extended : ES-20 board
Preparation :
¢ Select the BARS mode on the RCP-TX7 or COU-TX7.
Test point .t VBS 1 OUT connector/CCU rear panel
Adjustment Procedure :
* Adjust @RV805 (I (V) CAL) and @RV809 (Q(U) CALY/
ES-20 board so that the luminance point of black level is _
located in the center of the vectorscope.
[For NTSC]
[For PAL]
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