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9-3. Cylinder and Clock Pulse Synchronism
At play mode, using the test tape TY-7551, adjust PG phase adjustment VR (VR2).
[Checkpoints]
Oscilloscope Channel 1 — Test pad PBO
Oscilloscope Channel 2 — Test pad PIWD
External Trigger — Test part PG (MA PCB)
[Adjusting Method]
(1) Turning of VR2 moves signal PIWD right or left.
(2) Adjust VR2 so that the rising ange of signal PIWD stops at the ek that 130 KHz pilot
signal start.
DATA
{PBO)
CYG(PG)'+
Enlarged
5 -
Adjust PIWD at this position
~~
gs
A
trigger 2ms
|
DATA
B
deray trigger 0.2ms
(PBO)
PIWD —
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