3 Handling Precautions For Traverse Deck
The laser diode in the traverse deck (optical pickup) may break down due to potential difference caused by the static electricity of
clothes or our human body.
So, be careful of electrostatic breakdown during repair of the traverse deck (optical pickup).
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Way of handling the traverse deck (optical pickup)
1. Do not subject the traverse deck (optical pickup) to static electricity as it is extremely sensitive to electrical shock.
2. To prevent the breakdown of the laser diode, an antistatic shorting pin is inserted into the flexible board (FFC board).
3. Do not to apply excessive stress to the flexible board (FFC board). When removing or connecting the short pin, finish the job
in as short time as possible.
4. Do not turn the variable resistor for laser power adjustment. (It is pre-adjusted during production time)
Grounding for electrostatic breakdown prevention
1. Human body grounding
Use the anti-static wrist strap to discharge the static electricity from your body.
2. Work table grounding
Put a conductive material (sheet) or steel sheet on the area where the traverse deck (optical pickup) is place, and ground the
sheet.
Caution :
The static electricity of your clothes will not be grounded through the wrist strap. So, take care not to let your clothes touch the
traverse deck (optical pickup).
Caution when replacing the Traverse Deck
The traverse deck has a short point shorted with solder to protect the laser diode against electrostatics breakdown. Be sure to
remove the solder from the short point before making connections.
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SA-AK450PL
Содержание SA-AK450PL
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Страница 11: ...6 Accessories Remote Control FM Antenna Wire AC Cord AM Loop Antenna 11 SA AK450PL ...
Страница 12: ...7 Operating Instructions Procedures 7 1 Main Unit Key Buttons Operations 12 SA AK450PL ...
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Страница 38: ...10 17 1 Replacement of Pinch Roller and Head Block 38 SA AK450PL ...
Страница 39: ...10 17 2 Replacement of Motor Capstan Belt A Capstan Belt B and Winding Belt 39 SA AK450PL ...
Страница 45: ...12 4 Checking and Repairing of Power P C B 45 SA AK450PL ...
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Страница 51: ...15 3 Main P C B 15 4 Panel P C B 51 SA AK450PL ...
Страница 52: ...15 5 Power P C B Transformer P C B 52 SA AK450PL ...
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Страница 89: ...23 Exploded Views 23 1 Cabinet Parts Location SA AK450PL 89 ...
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Страница 91: ...23 2 Deck Mechanism Parts Location RAA4403 S SA AK450PL 91 ...
Страница 92: ...23 3 Packaging SA AK450PL 92 ...