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8
ELECTRICAL ADJUSTMENT
(2) PLAYBACK Y-SIGNAL OUTPUT LEVEL
v
CONNECTION METHOD
v
ADJUSTMENT PROCEDURE
1) Playback the COLOR BAR Test tape (DN-1).
2) Connect the oscilloscope to TJ396 and trigger the scope with a composite sync signal at TJ302.
3) Adjust R396 to obtain 2.0
±
0.2Vp-p between the SYNC TIP and 100% white peak level.
Adjustment Parts Checking Point Measuring Equipment Test Tape Input Signal
R396 TJ396 Oscilloscope DN-1 -
TJ302
CH-1
Oscilloscope
CH-2
TJ396
R396
PB-Y
2.0V 0.2Vp-p
TJ396
Horizontal :10 s/div
Vertical :0.5V/div