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

17. CR AD Clamp Adjustment (CB-61 Board)

Set the clamp level of the IC9004 CR AD OUT.
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
(Note), or Page: 2, address: 1D
display data of the adjustment remote
commander
Measuring Instrument
Adjustment Page D
Adjustment Address B4
Specified Value FF or 00 or 01
Note: Note: The two digits of the display data of the LCD and TV monitor
is the object data.
HI XX XXXX
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: 18.
5) Select page: D, address: B4, set data: 4C, and press the PAUSE
button of the adjustment remote commander.
6) Select page: D, address: B5, set data: 4C, and press the PAUSE
button.
7) Select page: D, address: B4, change the data and adjust the
DDS display data (or the display data of page: 2, address: 1D)
to the specified value. (The data of address: B4 should be "00"
to "99".)
8) Press the PAUSE button of the adjustment remote commander.
9) Perform "CB AD Clamp Adjustment".
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

18. CB AD Clamp Adjustment (CB-61 Board)

Set the clamp level of the IC9004 CB AD OUT.
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: Perform "CR AD Clamp Adjustment" before this adjustment.
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: 18.
5) Select page: D, address: B5, change the data and adjust the
DDS display data (or the display data of page: 2, address: 1E)
to the specified value. (The data of address: B5 should be "00"
to "99".)
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.
5-24
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: 1E
display data of the adjustment remote
commander
D
B5
FF or 00 or 01
Object data