Panasonic CR-SM4208U - Troubleshooting Advanced Issues; Speaker and Radio Troubleshooting; USB Playback Troubleshooting

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The speaker channels are
reversed between
right and left.
The speaker wiring is confused between right and left.
!!!! Perform the speaker wiring in accordance with the wiring
diagram.
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the stereo mode. Central sound
does not settled.
The plus and minus terminals at right and left channels of speak-
ers are connected reversely.
!!!! Perform the speaker wiring in accordance with the wiring
diagram.
The power fails unintentionally.
The safety device works.
!!!! Consult your dealership.
Clock time is reset.
Battery cable is not correctly connected.
!!!! Connect the battery cable to the terminal that is always ac-
tive.
Radio
Poor reception or noise
Antenna installation or wiring of antenna cable is faulty.
!!!! Check whether the antenna mounting position and its wiring
are correct. In addition, check to see whether the antenna
ground is securely connected to the chassis.
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antenna, etc.).
!!!! Check the wiring of the antenna battery lead.
The number of auto preset
stations is less than 6.
The number of receivable stations is less than 6.
!!!! Move to an area where receivable stations number is maxi-
mum, and try presetting.
!
!
!!
USB (MP3/WMA)
Music is not played back even if
a USB device is connected.
The USB device and USB extension cable are not connected cor-
rectly.
!!!! Connect the USB device and USB extension cable correctly.
There is no music stored in a format that is supported on this unit.
!!!! Check if there is any music data that can be played stored on
the USB device.
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!!!! Use a USB device with a current consumption lower than 1 A.
“READING” is displayed but
music is not played back.
A USB hub is connected.
!!!! Do not use a USB hub.
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!!
!!