Cb Ad Level Adjustment (Cb-61 Board) - Sony GV-D300 Service Manual

21. CB AD Level Adjustment (CB-61 Board)

Set the IC9004 CB AD OUT level.
Mode VTR stop (GV-D900/D900E)
Recording (GV-D300/D300E)
Signal 75% color bar (VIDEO jack input)
Measurement Point DDS display of LCD or TV monitor
(Note1), or Page: 2, address: 1E
display data of the adjustment remote
commander
Measuring Instrument
Adjustment Page D
Adjustment Address 9D
Specified Value 4D to 4F (NTSC)
53 to 55 (PAL)
Note1: Note: The two digits of the display data of the LCD and TV monitor
is the object data.
HI XX XXXX
Note2: Use the 75% color bar signal shown in Fig. 5-3-19.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 11, set data: 24, and press the PAUSE
button of the adjustment remote commander.
3) Select page: 2, address: 96, and set data: 40.
4) Select page: 2, address: 97, and set data: C0(NTSC) or
B0(PAL).
5) Select page: D, address: 9D, change the data and adjust the
DDS display data (or the display data of page: 2, address: 1E)
to the specified value.
6) Press the PAUSE button of the adjustment remote commander.
Processing after Completing Adjustments
1) Select page: D, address: 11, set data: 00, and press the PAUSE
button of the adjustment remote commander.
2) Select page: 0, address: 01, and set data: 00.
3) Select page: 2, address: 96, and set data: 00.
4) Select page: 2, address: 97, and set data: 00.
Object data
5-26