Technics SL-QL5 - Page 17

SL-QL<
Parts
Preparations adjusted Procedure
1. Turn the power switch on and push the
Start switch to shift the tonearm inward.
2. Open the upper cabinet.
3. Turn the adjusting screw so that the arm
center matches the V-groove of the lift
bar.
1. Open the upper cabinet and hold the Adjusting
cabinet switch with tape. screw
2. Close the upper cabinet. (Fig. 24)
Tonearm offset
angie
Turn the power switch on and push the
start switch to shift the tonearm inward.
Open the upper cabinet.
Completely shift the tonearm to the
right. Then, adjust VR501 so than the
Open the upper cabinet and hold the VR501 voltage is 3.6V. (Servo gain)
cabinet switch with the tape. i Set the tonearm to the center and make
Servo gain and . Close the upper cabinet. (Servo gain) sure that the output voltage is 1.8V.
offset voitage . Connect the DC voltmeter to CN301 P.C.B. . If the voltage is not 1.8V, loosen the
terminal @) and ground terminal. (Offset printed circuit board screw and move the
Remove the Label of the tonearm cover. voltage) board to the right or left with a screw-
(Fig. 25) driver so that the output voltage
becomes 1.8V.
After the adjustment, tighten the printed
circuit board screw.
(Offset adjustment)
© Adjustment points
Clock frequency adjustment
Adjusting screw
“Tear ota a
(Rear ot set) Operation circuit board SOS MS
Fig.
21
Fig.
22
Fig.
23
Center
(1.8V) S
oO
—~-) Clockwise
(3.6V)
Screw Printed circuit
driver \board screw Qn
0
4
VR501 | Offset voltage adjustment
Fig. 25
Fig 24