Pioneer GM-A6704/XEUC Service Manual - Page 3

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1. SERVICE PRECAUTIONS

1.1 SAFETY PRECAUTIONS

 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.

 Heat sink becomes hot areas. Be careful not to burn yourself.

1.2 NOTES ON DISASSEMBLY / ASSEMBLY

 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.

 Please be sure to conduct line process to original status if you make assembling after repair.

 When you tighten the screws of following figure, 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.)

 Please install Insulator between Power Transistor and Heat Sink when you install Power Transistor in Heat Sink.

If Insulator is not installed between Power Transistor and Heat Sink, Power Transistor might be damaged.

HEAT SINK

GM-A6704/XEUC