Samsung GX-20 Service Manual page 321

Apply DC3.2 V and check if the 11 SI-LEDs are turned on and check the positions.
✁
A djustment 1 Loosen the two screws which
✂ ✄ ☎
hold the 0-O170.
... Remove the adhesive
(5 areas) for the screws.
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. ADJUSTMENT
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