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Originally Posted by mostarac
i've got v32 now and ill try to downgrade to v29.1 since the navigation often reboots but ONLY when navigating, not when driving ni map-mode. I think it may be something to do with Gyro. I will also do CodeDefaults in NavCoder today to see how to do it. I wanted also to check wiring and is there any way to do that?
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Wiring is not an issue. The gyro is an internal component inside the nav. Wiring faults cannot cause the gyro to fail.
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Originally Posted by mostarac
Secondly, do you know where on the motherboard the EWTS82NM21 chip needs to be replaced and where it can be bought?
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The Gyro is a module, not a chip. It is a small shielded piezo-electric gyro module (little silver tin box) about 1.5cm square. It is the only item on the main board of that size, type and description. You cannot miss it.
You can purchase spares from SiemensVDO in Germany. Use the SiemensVDO part number I gave you.
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Originally Posted by mostarac
AND to be sure, the MKIV unit is the unit with the DVD reader back and nothing else(where gyro should be)?
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Yes, the "DVD reader" is the entire nav computer. The gyro is mounted on the main board inside the Mk4 DVD nav computer.