Service Precautions - Pioneer AVH-P3100DVD/XN/UC Service Manual

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1. SERVICE PRECAUTIONS

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1.1 SERVICE PRECAUTIONS
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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. 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.
4. To protect the pickup unit from electrostatic discharge during servicing, take an appropriate treatment
(shorting-solder) by referring to "the DISASSEMBLY" .
5. After replacing the pickup unit, be sure to skew adjustment.
6. During disassembly, be sure to turn the power off since an internal IC might be destroyed when a connector
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is plugged or unplugged.
7. After the replacement of LS1 mecha, connect ACC and BUP, and then press RESET button.
->Some functions such as BOOK mark may not work normally.
8. Connector CN5001 in the monitor unit : When you remove the flexible from the CKS5951,
hold up the end of the flexible holddown part to remove it.
->There is a possibility of breakage of connector pin.
9. Connector CN5001 in the monitor unit : CKS5951 is a connector of both contact points.
If you insert the flexible inversely, there is a possibility of IC damaged because of unintended connection.
So please take care not to insert it inversely. If perchance you insert it inversely, you need to replace the unit.
10. The FFC styling between mother unit and DVD mecha (LS1) requires careful attention. Fold FFC to the
mecha side and style it.
11. Eject lock
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Summary:DISC EJECT behavior of built-in DVD mecha is prohibited
It is for DISC antitheft from the storefront display.
With or without DISC, the behavior of pressing EJECT key during the EJECT lock is as follows.
During grille closed
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Press EJECT key -> Grille is opened.
*The key is valid at the point of being pressed (BEEP). To Leave the key makes grille opened.
During grille opened
Press EJECT key -> Grille is closed.
*The key is valid at the point of being pressed (BEEP). To Leave the key makes grille opened
Remarks: [Notes] EJECT lock is not unlocked by turning ACC ON or product reset.
To unlock it, you need to operate keys as above.
For existing model (AVH-P9DVA), it is unlocked by turning ACC ON or reset.
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12. Background display data is stored in IC5201. So, if you replace the IC, user photo data will be lost.
13. If the gasket (CNN2782) on the FM/AM tuner unit was damaged or lost, then the reception
sensitivity would be poor. So, replace it with the new one.
14. When the DVD mechanism is connected with the mother unit for the first time, initial data is written.
So, do not turn the power off for 10 seconds.
NOTE: When you remove the top case
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Don't put tweezers or something
into these holes to remove the top
case
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Use these holes to remove the top
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