DEH-2200UB/XSEW5
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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.
7. CD Mech. Assembly Wrong Installation Check
If iPod corresponding mech. assembly is installed at iPod non corresponding model, or if iPod non corresponding
mech. assembly is installed at iPod corresponding model by mistake, this becomes error indication with CDS,
USB sources as shown below;
Judgment condition of wrong installation is as follows;
* The condition becomes as shown above since a microcomputer of corresponding USB mech. assembly and a
microcomputer of iPod corresponding mech. assembly are the same.
However, this is determined by the presence or absence of authentication IC since problem occurs depending on
different mech. assembly.
Wrong Inst. Error of
CD Mech. Assembly
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Authentication IC: No
OK
Authentication IC: Yes
Wrong Installation Indication
Authentication IC: No
OK
Authentication IC: Yes
Wrong Installation Indication
Authentication IC: No
Wrong Installation Indication
Authentication IC: Yes
OK
Authentication IC: No
Wrong Installation Indication
Authentication IC: Yes
OK
S11 USB Mech.
Assembly
Green Red
White Black
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
