Sony DSR-20MD, Service Manual

Page: 164 / 225

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6. Playback Y Signal Level Adjustment (JC-19 Board)
Mode Recording
Signal DV input (Note 1)
Measurement Point
Pin
8
of CN104 or pin
wd
of CN102 on
VA-102 board
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address 36
Specified Value
A = 0.43 ± 0.04 V (NTSC)
A = 0.41 ± 0.04 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, select page: 5, address: 02, and set data:
09. 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 data, and adjust the Y sig-
nal level (A) to the specified value.
3) Select page: 0, address: 01, and set data: 00.
7. Playback CR Signal Level Adjustment
(JC-19 Board)
Mode Recording
Signal DV input (Note 1)
Measurement Point
Pin
0
of CN104 or pin
wa
of CN102 on
VA-102 board
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address 34
Specified Value A = 540 ± 10 mV
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, select page: 5, address: 02, and set data:
09. 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: 34, change data, and adjust the CR
signal level (A) to the specified value.
3) Select page: 0, address: 01, and set data: 00.
A
H
Fig. 5-3-9.
Fig. 5-3-10.
H
A