Sony DSR-20MD, Service Manual, Page: 170 / 225

5-78
(2) Chroma Signal Output Level Adjustment
Mode E-E
Signal Color bar (VIDEO input) (Note 1)
Measurement Point Emitter of Q202 (CL203)
Measuring Instrument Oscilloscope
Adjustment Element RV201
Specified Value
A = 286 ± 10 mV (NTSC)
A = 300 ± 10 mV (PAL)
Note 1: Set “VIDEO” mode with the INPUT SELECT button on
the front panel.
Note 2: Terminate the video output terminal using a 75
Ω
resis-
tor.
75
Ω
resistor (Parts code: 1-247-804-11)
Adjusting method:
1) Set the burst signal level (A) to the specified value using RV201.
For NTSC model
For PAL model
Fig. 5-3-18.
7. Decoder HUE Adjustment (VA-102 Board)
Mode E-E
Signal Color bar (S VIDEO input) (Note 1)
Measurement Point Pin
8
of IC102 (CL144)
Measuring Instrument Oscilloscope
Adjustment Element RV207
Specified Value A = B = C
Note 1: Set data: 00 to page: 5, address: 38
Note 2: Set “S VIDEO” mode with the INPUT SELECT button
on the front panel.
Adjusting method:
1) Set the amplitude (A), (B), (C) to the same level using RV207.
For NTSC model
For PAL model
Fig. 5-3-19.
A
H
A
H
C
B
H
A
H
A
B
C