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4-2
@® X4 BASE, 0.07v(p-p), 60 Hz
750
terminating
resistor
SONY
1-506-16I-It
Fig. 4-2. TEST CABLE
d. If trouble is indicated on the vidicon,
check
to see that the vidicon has the necessary op-
erating potentials.(20V p-p)
Cathode, pin?
+1.3v DC, (20v (p-p)
Gl,
pin 2
0to100V
(Depends upon BEAM
setting)
G2,
pin5
+450V
G3,
pin6
+250V
Target*
Collector of X14
+40 to+70'V (See
Fig. 4-3)
*Do not measure target voltage at the target ring.
The voltmeter will load this voltage severely and
the reading will be meaningless.
Measure tar-
get voltage at its source
-
the collector of X14.
Figure 4-4 shows key waveforms in the video-
processing circuits.
Use this figure in signal
tracing the video circuits.
Fig. 4~8.
WHERE
TO MEASURE
VIDICON
VOLTAGES.
Figure 4-5 shows key waveforms in the deflec-
tion and sync circuits.
4-4,
VIEWFINDER
CONNECTOR
Figure 4-6 shows the connections and key drive
signals at the 9-pin Viewfinder connector atop
the camera.
@
X6 BASE, Iv (p-p), 6OHz
@
X7 COLLECTOR, |.5v(p-p),60Hz
@ x8 COLLECTOR, 2v(p-p), 60 Hz
© VidDEO OUTPUT, 1.4v{p-p), 60 Hz
MEASURE
TARGET
VOLTAGE
HERE
Fig. 4-4.
KEY VIDEO WAVEFORMS
AND WHERE
TO MEASURE
DC TARGET
VOLTAGE,
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