DEH-5200SD/XNEW5
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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. On CD Core Unit, actual cable colors and silk print are different.
Green Red
White Black
7. When a CD-DA (regular music CD) is played in the CD test mode, its sound quality will be temporarily
deteriorated. The CD will then repeat normal, deteriorated, normal… playback.
This is due to the difference in the playback modes between the normal operation mode and the CD test
mode, and the interval of generating deteriorated mode and the time taken to return to the normal mode
depend on the error of each clock.
The time taken to turn to the deteriorated mode is at a minimum around 20 seconds while the time to return
to the normal mode is maximum 40 seconds approximately.
Make sure to check the sound quality in the normal operation mode.
8. area and a heat sink becomes hot areas. Be careful not to burn yourself.
Содержание DEH-5200SD/XNEW5
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