Fuse Check - Pioneer MVH-280FD Service Manual

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5.4 FUSE CHECK

A
No sounds and display output of external unit (the condition when the fuse is blown)
This product may receive excessive current if the power line connection of the
external product is incorrect, such as Ground connection failure.
The fuse P1203 on TUNER AMP UNIT is used to protect this product from this
excessive current.
Even though fuse is blown, the sounds of Pre-out output and AUX input are output
properly and also other functions work correctly.
However, you cannot turn on the external product connected to this product as
the power is not supplied if the fuse is blown.
(The symptom in this case is the sounds of external product are not
B
output on this product when the external product is connected on a vehicle.)
If you find the symptoms above, check if the fuse is not blown.
If you replace to a new fuse and the fuse is blown again (you cannot turn on the
power of external product), check the power connection (Ground) of external product.
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F
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MVH-280FD/XNEW5
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