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3-2-2. PAL SCH Adjustment
Connection
Composite video
signal generator
SG1 (TSG-271)
FIELD REF
BLACK BURST
Composite video
signal generator
SG2 (1411)
GENLOCK
TEST SIGNAL (J1)
BLACK BURTS
MAV-70
REF IN
75 Z
TP304
SPG-15
MAV-70
Oscilloscope
CH-2
CH-1
Composite waveform/
vector monitor
(1781R)
EXT REF
A
75 Z
Preparation
1. Connect the equipment.
2. Turn on the power of the MAV-70 and warm up the
unit about 10 minutes.
3. Open the "Board : Parameter Slot 7" menu, and set the
Video Type to PAL.
(For operation, refer to the operation manual.)
Adjustment Procedures
1. Set the equipment.
. Vector monitor :
SCH mode, INPUT : CH-A, EXT REF
. Signal generator SG2 (1411) :
SYNCHRONIZATION : GEN LOCK
2. Align the SYNC phase to 0d with the PHASE knob of
the vector monitor so that the beam spot (SYNC)
moves in the shortest route.
3. Align the BURST to reference position on the vector
monitor with the SC PHASE knob of the signal
generator SG2.
4. Align the beam spot of BURST to the circle scale on
the vector monitor with the gain control knob on the
vector monitor.
5. Align the BURST to the specification positions as the
dotted lines shown in the figure with the PHASE knob
of the vector monitor.
Magnify by gain control
knob on the vector monitor.
3-2. SPG-15 Board Adjustment
BURST
0d
SYNC
3-5 (E)
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