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<ttl><html:a name="TITLE5">5 Handling Precautions for Traverse Unit</html:a>
</ttl>
<p>The laser diode used inside optical pickup could be destroyed due to static electricity as a potential difference is caused by electrostatic load discharged from clothes or human body. Handling the parts carefully to avoid electrostatic destruction
during repair.</p>
<ti2>
<ttl><html:a name="TITLE5_1">5.1 Handling Optical Pickup in Traverse Unit</html:a>
</ttl>
<ol>
<li>
<p>Do not impact on optical pickup as the unit structurally uses an extremely precise technology.
</p>
</li>
<li>
<p>Short-circuit the flexible cable of optical pickup remove from the circuit board using a short-circuit pin or clip in order to prevent laser diode from electrostatic destruction (Refer to Fig. 5.1 and Fig. 5.2)
</p>
</li>
<li>
<p>Do not handle flexible cables forcibly as this may cause snapping. Handle the parts carefully (Refer to Fig. 5.1)
</p>
</li>
<li>
<p>A new optical pickup is equipped with an anti-static flexible cable. After replacing and connecting to the flexible board, cut the anti-static flexible cable. (Refer to Fig. 5.1)
</p>
</li>
</ol>
<fig>
<cap>Fig. 5.1
</cap>
<graphic loc="graphic9" sizex="124.037mm" sizey="98.467mm"><html:img src="v9laser.png" border="0"></html:img>
</graphic>
</fig>
</ti2>
<ti2>
<ttl><html:a name="TITLE5_2">5.2 Replacing Precautions for Optical Pickup Unit</html:a>
</ttl>
<p>
<emp>Optical Pickup
</emp>
</p>
<p>The optical pickup by which part supply was carried out attaches the short clip to the flexible board for laser diode electrostatic discharge damage prevention. Please remove the short clip and be sure to check that the short land is open, before
connecting. (Please remove solder, when the short land short-circuits.)</p>
</ti2>
<ti2>
<ttl><html:a name="TITLE5_3">5.3 Grounding for Preventing Electrostatic Destruction</html:a>
</ttl>
<ol>
<li>
<p>Human body grounding
</p>
<p>Use the anti-static wrist strap to discharge the static electricity accumulated in your  body. (Refer to Fig. 5.2)
</p>
</li>
<li>
<p>Work place grounding
</p>
<p>Place a conductive material (conductive sheet) or ironboard where optical pickup is placed. (Refer to Fig. 5.2)
</p>
</li>
</ol>
<caution>
<ttl>Note :
</ttl>
<p>Keep your clothes away from optical pickup as wrist strap does not release the static electricity charged in clothes.
</p>
</caution>
<fig>
<cap>Fig. 5.2
</cap>
<graphic loc="graphic10" sizex="57.065mm" sizey="50.970mm"><html:img src="v9aver2.png" border="0"></html:img>
</graphic>
</fig>
</ti2>
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