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

19. Y AD Level Adjustment (CB-61 Board)

Set the IC9004 Y 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: 1C
display data of the adjustment remote
commander
Measuring Instrument
Adjustment Page D
Adjustment Address 9B
Specified Value EA to EC (NTSC)
ED to EF (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: 70(NTSC) or 40(PAL).
4) Select page: 2, address: 97, and set data: 50(NTSC) or 30(PAL).
5) Select page: D, address: 9B, change the data and adjust the
DDS display data (or the display data of page: 2, address: 1C)
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.
For NTSC model
(75%)
Q
White
(100%)
For PAL model
(100%)
Fig. 5-3-19
Object data
I Black

20. CR AD Adjustment (CB-61 Board)

Set the IC9004 CR AD OUT level.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
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: B0(NTSC) or
A0(PAL).
5) Select page: D, address: 9C, change the data and adjust the
DDS display data (or the display data of page: 2, address: 1D)
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.
5-25
VTR stop (GV-D900/D900E)
Recording (GV-D300/D300E)
75% color bar (VIDEO jack input)
DDS display of LCD or TV monitor
(Note1), or Page: 2, address: 1D
display data of the adjustment remote
commander
D
9C
4D to 4F (NTSC)
53 to 55 (PAL)
Object data