Troubleshooting
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Documents and Settings\Administrator\Desktop\MHC-GNX100 GB\GB11TRB-
model name [MHC-GNX100/GNX90/GNX80/GNX88/GNX70/GNX77/GX9900/GNX60/GNX66]

[2-547-453-11(2)] GB

45GB
MP3 audio track cannot be played bac k.
Recording was not performed according to the
ISO 9660 lev el 1, level 2 or Joliet in the expansion
format.
The MP3 audio track does not have the extension
“.MP3”.
The data is not stored in MP3 format even though
it has extension “.MP3”.
The MP3 audio tracks in format other than MPEG
1, 2 and 2.5 Audio Layer 3 cannot be played back.
The system can play back to a depth of 8 folders
only.
MP3 audio tracks in MP3 PRO format cannot be
played back on this system.
MP3 audio tracks take longer time to play back
than others.
After the system reads all tracks on the discs,
playback may take more time than usual if:
the number of albums or tracks on the disc is
very large.
the album and track organization structure is
very complex.
The album title, track title, ID3 tag and the
CD-TEXT characters do not appear properly.
Use a disc that conforms with ISO 9660 level 1,
level 2 or Joliet in the expansion format.
The ID3 tag is not version 1 or version 2.
The character code that can be displayed by this
system are as follow:
Upper cases (A to Z)
Lower ca ses (a to z)
Numbers (0 to 9)
Symbols (< > * +, – / [ ] \ _)
Other characters may not be displayed correctly.
The output from CD DIGITAL OUT jack is
monaural.*
Press MPX repe atedly until “m” disappears from
the display.
When you turn m M clockwis e or
counterclockwise (or press m or M on the
remote), “Not in Use” flashes in the display.*
The CDG is played back. This is not a
malfunction.
* MHC-GNX88/GNX77/GNX66 only
Tuner
There is severe hum or noise. (“TUNED” or
“STEREO” flashes in the display)
Set the proper band and frequency (page 19).
Connect the antenna properl y (page 10) .
Find a place and an orientation that provide good
reception, then set up the antenna again. If you
cannot obtain good reception, we recommend you
connect an external antenna.
The supplied FM lead antenna receives signals
along its en tire le ngth, so make sur e you e xtend it
fully.
Locate the antennas as far away from the speaker
cords as possible.
Try turning off surrounding electrical equipment.
Set CD power manage function to “CD POWER
OFF” (page 20).
A stereo FM program cannot be received in
stereo.
Press FM MODE on the remote repeatedly until
“MONO” disappears in the display.

Tape deck

The tape does not record or playback, or there
is a decrease in sound level.
The tape heads are dirty (see “Cleaning the tape
heads” on page 49).
The record/playback heads are magnetized (see
“Demagnetizing the tape heads” on page 49).
The tape does not erase completely.
The record/playback heads are magnetized (see
“Demagnetizing the tape heads” on page 49).
There is excessive wow or flutter, or the sound
drops out.
The capstans or pinch rollers are dirty (see
“Cleaning th e ta pe heads” on page 49).
Noise increases or the high frequencies are
erased.
The record/playback heads are magnetized. (see
“Demagnetizing the tape heads” on page 49).

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