Sony CCD-M8, Руководство по обслуживанию

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1 -25.
B U RST LEVEL ADJ U STM ENT
Equipment required: Oscilloscope
VC-6 Board TP95 l
Object: Totally Balck ( Lens covered with a black cap)
Adjusting Procedure: By turning RV89 1 o n E D-
I I
Board
adjust the burst level at 520± 1 0 mVp-p ( see Fig. 1 -33).
Fig. 1-33
1 -26.
C O LO R R E PR O D U C I B I LI TY ADJ U ST M E N T
Equipment required: Digital Voltmeter
Oscilloscope
Object: Color Bar Chart ( i n Standard Pattern Fram e)
Adj u sting Procedure:
I ) B y turning RV884 o n E D-
I I
Board adjust the center
terminal level at 2.5V DC ( see Fig. 1 -34).
Digital Voltmeter
Center
Terminal
Fig. 1-34
R V884
ED- 1 1 Board
2) Connect an oscilloscope to TP95 l on VC-6 Boa rd. and hy
turning RV882 on E D- I
I
Board. adjust the red chrominancc
level at 400±20 m Vp-p (see Fig. 1 -3 5 )
.
Red
Fig. 1-35
3) Connect the oscilloscope CH- I and C H-2 to TP808 a n d
TP807. respectively. on VC-5 Board and engage an X-Y
mode of both CH-I and C H-2 at 50 mV/div.
4)
By turning RV802 on VC-5 Board and RV827 on MX-2
Board bring the YL luminescent spot to the center of its
color reproduction fram e ( see Fig. 1 -36).
5) Check to assure individual color liminescent spots to
belong within their respective color reproduction frames.
YL
Color Reproduction
Frame
R-Y
Fig. 1-36
-
2 2
-