Sharp VC-H92HM Serviceanleitung Seite 43

Vv
Vv
C-H91GM(BK)
C-H91SM(BK)
VC-H92GM(BK)
CHECKING OF PLAYBACK LEVEL
instrument
Specification
1. Be sure that E-E level has been correctly
specificed.
2. Connect a 75 ohm terminating resistor to the
VIDEO OUT jack and connect an oscilloscope
across this terminating resistor.
(See Note below.)
3. Feed acolour bar signal to the VIDEO IN jack and
set the unit in recording mode.
4. Play the colour bar portion of the recorded tape.
5. Make sure that the output signal amplitude is
1.0Vp-p as shown in Figure 5-6.
Note:
If the 75 ohm terminating resistor is missing, the
signal amplitude will be doubled.
Figure 5-6.
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