Picture Frame Setting; Agc Gain Calibration Adjustment - Sony DCR-TRV8 Service Manual

8. Picture Frame Setting

Subject Color bar chart
(Color reproduction adjustment
frame)
(1.5m from the front of the lens)
Measurement Point Video output terminal
Measuring Instrument Oscilloscope and TV monitor
Specified Value A=B, C=D, E=F
Switch setting:
1) NIGHT SHOT .................................................................. OFF
2) DIGITAL ZOOM (Menu display) ................................... OFF
Setting method:
1) Adjust the zoom and the camera direction, and set to the
specified position.
2) Mark the position of the picture frame on the monitor display,
and adjust the picture frame to this position in following
adjustments using "Color reproduction adjustment frame".
Check on the oscilloscope
1. Horizontal period
A=B
B
A
Fig. 5-1-8.
2. Vertical period
E
Fig. 5-1-9.
Check on the monitor TV (Underscanned mode)
Color bar chart picture frame
Fig. 5-1-10.
C=D
C
D
E=F F
V
Monitor TV picture frame

9. AGC GAIN Calibration Adjustment

Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note: Displayed data of page 1 of the adjustment remote commander.
1 : XX : XX
Switch setting:
1) NIGHT SHOT .................................................................. OFF
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 6, address: 40, and set data: 02.
3) Select page: 6, address: 41, and set data: 01.
4) Select page: 6, address: 01, set data: 71, and press the PAUSE
button of the adjustment remote commander.
(The AGC gain calibration adjustment is performed and the
adjustment data is stored in page: E, address: 3A to 3D.)
5) Select page: 6, address: 02, and check that the data is "01".
6) Select page: 6, address: 01, set data: 00, and press the PAUSE
button.
Checking method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: F, address: 10, set data: 47, and press the PAUSE
button.
3) Select page: 6, address: 9A, and set data: 03.
4) Select page: 6, address: 01, set data: 9B, and press the PAUSE
button.
5) Select page: 6, address: 02, and check that the data is "01".
6) Select page: 1, and check that the display data (Note) satisfies
the specified value of data1.
7) Select page: 6, address: 01, set data: 00, and press the PAUSE
button.
8) Select page: 6, address: 9A, and set data: 99.
9) Select page: 6, address: 01, set data: 9B, and press the PAUSE
button.
10) Select page: 6, address: 02, and check that the data is "01".
11) Select page: 1, and check that the display data (Note) satisfies
the specified value of data2.
Processing after Completing Adjustments:
1) Select page: F, address: 10, set data: 00, and press the PAUSE
button.
2) Select page: 6, address: 01, and set data: 00, and press the
PAUSE button.
3) Select page: 6, address: 40, and set data: 00.
4) Select page: 6, address: 41, and set data: 00.
5) Select page: 6, address: 9A, and set data: 00.
6) Select page: 0, address: 01, and set data: 00.
5-24
Clear chart
(Color reproduction adjustment
frame)
Display data of page 1 (Note)
Adjustment remote commander
E
3A, 3B, 3C, 3D
Data1 : 0196 to 02D3
Data2 : 0B35 to 1669
Display data