OSCILLATOR AND COLOUR SYNC. ALIGNMENT
Test Equipment Connections:
Refer to Figure
OSCILLOSCOPE . . . . . . . . . . . . Connect through direct probe
GENERAL . . . . . . . Connect AC power plug through the
described. The frequency response of vertical input
to power supply.
should be flat to at least
Set the
control to the
of its range.
COLOUR BAR GENERATOR . . . . . . . . .
to receiver
Set the receiver to normal operation.
antenna terminals. Switch Pattern control to
Bar position.
Adjust receiver for normal
reception.
OSCILLATOR ALIGNMENT
STEP
ADJUSTMENT
COMPONENT
PROCEDURE
1
Connect Oscilloscope to
(Vertical range
2
Adjust
Adjust
for maximum deflection on scope.
Trans.)
(Output level 1
p-p)
COLOUR SYNC. ALIGNMENT
STEP
ADJUSTMENT
COMPONENT
PROCEDURE
1
Connect a short clip lead between
and
Turn
the
Killer control to fully counter
position.
2
Adjust
Trans.
Adjust
to obtain
sync.
3
Remove a short clip lead between
and
whether
sync. obtain or not.
A D J U S T
SUB CARRIER
A D J U S T
C
TRANSFORM
COLOR
0
CONTRAST
0
0
0
PEDESTAL
0
0
0
0 0
0
Figure
Oscillator and
Sync. Alignment
Summary of Contents for 8C221
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Page 34: ...Figure 28 PWM A Component Side Figure 29 PWM A Wiring Side 34 ...
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