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CcDxX-Mie2
¢ Purpose:
To adjust the tracking servo offset to zero.
+ Maladjustment symptoms:
Search times too long, poor playability, carriage run-
away.
0.5V/div.
2ms/div.
|
+ Measuring equipment / jigs:
—REFOUT
Oscilloscope,
volume adjustment driver
¢ Measuring point:
TEY (Tracking error signal) L.P.F. output
¢ Test disc and setting:
SONY TYPE 4 (or ABEX TCD-782)
Test mode
« Adjustment position:
VR354
the tracking balance adjustment-1.
REFOUT
(Vp-p)
Vp-p
Normal range of TEY level:2.0£0.5Vp-p
if the level is out of the above range, examine the pe-
25
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