Service Precautions; A 1.1 Service Precautions - Pioneer DEH-5400BT Service Manual

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1. SERVICE PRECAUTIONS

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. Before disassembling the unit, be sure to turn off the power. Unplugging and plugging the connectors
during power-on mode may damage the ICs inside the unit.
3. To protect the pickup unit from electrostatic discharge during servicing, take an appropriate treatment
(shorting-solder) by referring to "the DISASSEMBLY".
4. After replacing the pickup unit, be sure to check the grating.
5. Be careful in handling ICs. Some ICs such as MOS type are so fragile that they can be damaged by
electrostatic induction.
6. area and a heat sink becomes hot areas. Be careful not to burn yourself.
7. Software update
The software of this product is stored in IC671.
Please replace IC671 when making the version upgrade of software.
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