Sony SSC-C104 Servicehandleiding - Pagina 16
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SSC-C104/C108P
4-3-6.
AGC LEVEL Adjustment
Object
: Grayscale chart
A
Equipment
: Waveform monitor
Adjustment point
: MB-653 Board RV201
Measurement point
:VIDO OUT
Specification
:(NTSC) A= 90+ 5 IRE
(PAL) A = 6304 35 mV
Adjustment methoed :
Equipment
: Oscilloscope (AC 100 mV 10 uS)
Measurement point
:MB-653 Board TP7 (CN202-7pin)
A
Adjustment point
: MB-653 Board RV407
Adjustment method
Adjust the RV407 so that waveform amplitude is minimized.
2) Install the ND filter (25%) to the lens and adjust.
3) Set the AGC
switch/Rear
Panel
to OFF
after
adjustment.
Minimum
4-3-5.
LEVEL Adjustment
Object
~~
: Grayscale chart
Equipment
: Waveform monitor
Adjustment point
: MB-653 Board RV802
Measurement point
: VIDEO OUT
Adjustment method
1) Adjust the RV802
so that the white level is the
adjustment value Y.
(NTSC)
Y=100+2 IRE
(PAL)
Y=700415 mV