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1. SERVICE PRECAUTIONS
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1.1 SERVICE PRECAUTIONS
1. You should conform to the regulations governing the product (safety, radio and noise, and other regulations),
and should keep the safety during servicing by following the safety instructions described in this manual.
2. Be careful in handling ICs. Some ICs such as MOS type are so fragile that they can be damaged by electrostatic
induction.
3. When you tighten the screws No. 1 to 10, tightly hold a transistor or a diode to be fixed to prevent the part from
turning by the force of tightening the screw.
(If the part turned, a stress will be applied to the solder and may cause a failure such as a solder crack.)
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4. When you replace a part fixed to the heatsink (Q515, Q516, Q517,Q518, Q519, Q520, Q803, Q804, D821 and D822),
adjust the position of the part according to the following.
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Put the Amp Unit on blocks.
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