Teac CD-5 - Servo Adjustment Procedures

CD-5
4-1 SERVO ADJUSTMENT 4-1 4+-—iaZ
TEST DISC: MCD-111 (or YEDS-18) FARF4 AZ: MCD-111 (KKK YEDS- 18)
V402 V403
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Jou,
W326
SERVO PCB
4-1-1 Checking the pickup actuator operation
Before loading the disc, turn the power ON and check
that the pickup actuator moves up and down three times.
(If the pickup is not at inside on the disc, perform the
above operation after moving the pickup to the inside.)
4-1-2 Tracking balance adjustment
1. Connect the oscilloscope between P407-3(TE |) and
P407-1(GND), and press the SEARCH (<4orP> )
button.
2, Adjust V401(T.B) so that the upper and lower
amplitudes of the tracking error signal waveform
become equal above and below OV.
Fig. 4-5
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