General Adjustment; Y Output Level Adjustment (Jc-19 Board); Encoder R-Y Input Level Adjustment (Jc-19 Board) - Sony DSR-20MD Service Manual

3-5-4. General Adjustments

1. Y Output Level Adjustment (JC-19 Board)

Mode E-E
Signal Color bar (DV input) (Note 1)
Measurement Point Video output terminal
Measuring Instrument Oscilloscope
Adjustment Element page: D, address: 36
A = 0.83 ± 0.01 V (NTSC)
Specified Value
A = 0.823 ± 0.01 V (PAL)
Note 1: Generate color bar signal with NTSC: DCR-VX1000/
PAL: DCR-VX1000E and enter it to the DV terminal.
(How to generate color bars: Connect the adjusting re-
mote commander to the NTSC: DCR-VX1000/PAL:
DCR-VX1000E, and set data: 09 to page: 5, address: 02.
After adjustment, be sure to return the data to "00".
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 36, change the data, adjust the Y sig-
nal level (A) to the specified value.
1) Select page: 0, address: 01, and set data: 00.
H
Fig. 5-3-27.
For NTSC model
: FOR ENCODER R-Y INPUT LEVEL ADJUSTMENT
R
Burst
Fig. 5-3-28.
R–Y

2. Encoder R-Y Input Level Adjustment (JC-19 Board)

Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Element
Specified Value
Note 1: Generate color bar signal with NTSC: DCR-VX1000/
PAL: DCR-VX1000E and enter it to the DV terminal.
(How to generate color bars: Connect the adjusting re-
mote commander to the NTSC: DCR-VX1000/PAL:
DCR-VX1000E, and set data: 09 to page: 5, address:02.
After adjustment, be sure to return the data to "00".
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Adjust the burst luminance point to the specified position us-
ing the PHASE and GAIN knobs of the vectorscope.
3) Select page: D, address: 34, change the data, adjust a red lu-
minance point to the specified position.
4) Select page: 0, address: 01, and set data: 00.
A
For PAL model
: FOR ENCODER R-Y INPUT LEVEL ADJUSTMENT
Burst
B–Y
5-82
E-E
Color bar (DV input) (Note 1)
Video output terminal
Vectorscope
page: D, address: 34
Phase: 104 ± 2º
Gain : 95 ± 5%
R–Y
R
Fig. 5-3-29.
B–Y