Agc Adjustment (Cb-61 Board); Nps B-Y Level Adjustment (Cb-61 Board) - Sony GV-D300 Service Manual

5. AGC Adjustment (CB-61 Board)

Set the IC9004 AGC gain.
Mode VTR stop
Signal Color bar (VIDEO jack input)
Measurement Point Y signal terminal of S VIDEO jack
(75 Ω terminated)
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address 9A
Specified Value A = 1.00 ± 0.02V
Note: Before perform this adjustment, check that the specified value of "S
VIDEO Output Level Adjustment" is satisfied.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 2, address: 13, and set data: FE.
3) Select page: D, address: 9A, change the data and set the Y
signal level (A) to the specified value.
4) Press the PAUSE button of the adjustment remote commander.
5) Select page: 2, address: 13, and set data: 00.
6) Select page: 0, address: 01, and set data: 00.
For NTSC model
White (100%)
A
H
For PAL model
White (100%)
A
Fig. 5-3-11
H

6. NPS B-Y Level Adjustment (CB-61 Board)

Set the IC1101 CB OUT level.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note: How to generate the color bar signal.
1) Connect the adjustment remote commander to DCR-
VX1000(NTSC) or DCR-VX1000E(PAL).
2) Set the power switch to CAMERA.
3) Select page: 5, address: 02, and set data: 09.
By carrying out the above procedure, DCR-VX1000(NTSC) or
DCR-VX1000E(PAL) generates the color bar signal. After
completing adjustments, set data: 00 to the address.
Adjusting method:
1) Check that RV1200 is the mechanical center.
2) Select page: 0, address: 01, and set data: 01.
3) Select page: D, address: 99, change the data and set the blue
level (A) to the specified value.
4) Press the PAUSE button of the adjustment remote commander.
5) Select page: 0, address: 01, and set data: 00.
6) Perform "VIDEO Output Burst Level Adjustment".
5-19
VTR stop
Color bar signal generated by DCR-
VX1000(NTSC) or DCR-
VX1000E(PAL) (DV jack input)
(Note)
VIDEO jack (75 Ω terminated)
Oscilloscope
D
99
A = 450 ± 10mV (NTSC)
A = 460 ± 10mV (PAL)
Blue
H
Fig. 5-3-12
A