Service Precautions - Pioneer AVH-P5150DVD/XN/RC 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. 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
is plugged or unplugged.
7. In case the internal fuse blows out, check the latter part of voltage.
8. Touch panel consists of the glass. Take good care for its handling.
Dropping the panel or adding severe impact on it may cause the risk of cracking.
Also, the end face of glass is not chamfered.
Use gloves and the like to protect your fingers from being cut.
9. AVH-P5150DVD will be operated only when Tuner Box is connected.
When operating it without connecting Tuner Box such as in the case of confirming operation,
short R678 (B face) of the DVD Amp Unit by soldering.
*When returning it to the customer, do not forget to remove the shorted part as described above.
It is the resistance land that enables operation in case the AVH-P5150DVD is returned to the service deposit with
TUNER BOX excluded.
If you return this land in the state of leaving it shorted after completion of repair, the failure may arise after returning
it to the customer,
who will claim that the product does not go OFF even by the detach.
(See details to "5.6 SIMPLE OPERATION CHECK METHOD".)
10. EJECT LOCK MODE for DVD mechanism
In order to enter "EJECT LOCK" mode, press the EJECT key and the MUTE key for 2 seconds in the state of
SOURCE OFF.
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
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.
In order to exit "EJECT LOCK" mode, follow the same steps to enter this mode.
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