Self-Diagnosis Function - Sony MHC-DP1000D Manual De Instrucciones

Troubleshooting (continued)
Tape Deck
The tape does not record.
• The tab has been removed from the cassette (see
"To save a tape permanently" on page 54).
• The tape has reeled to the end.
The tape does not record nor play, or there is a
decrease in sound level.
• The heads are dirty (see "Cleaning the tape
heads" on page 54).
• The record/playback heads are magnetized (see
"Demagnetizing the tape heads" on page 54).
The tape does not erase completely.
• The record/playback heads are magnetized (see
"Demagnetizing the tape heads" on page 54).
There is excessive wow or flutter, or the sound
drops out.
• The capstans or pinch rollers are dirty (see
"Cleaning the tape heads" on page 54).
Noise increases, or the high frequencies are
erased.
• The record/playback heads are magnetized (see
"Demagnetizing the tape heads" on page 54).
After pressing nN or Z, there is a mechanical
noise, "EJECT" appears in the display, and the
unit enters standby mode automatically.
• The cassette tape has not inserted correctly.
Tuner
There is severe hum or noise ("TUNED" or
"STEREO" flashes in the display).
• Adjust the antenna.
• The signal is too weak. Connect an external
antenna.
A stereo FM program cannot be received in
stereo.
• Press FM MODE so that "MONO" disappears.
GB
58
If other troubles not described above
occur, reset the system as follows:
1
Press x, DISPLAY and DISC 1 at the
same time.
2
Unplug the power cord.
3
Plug the power cord back in.
4
Press ?/1 to turn on the power.
The system is reset to the factory settings
except for DVD settings. All the settings other
than DVD settings you made, such as the preset
stations, clock, and timer are cleared. You
should set them again.

Self-diagnosis function

(When letters/numbers appear in the
display)
When the self-diagnosis function is activated to
prevent the system from malfunctioning, a five-
character service number (e.g., C 13 00) with a
combination of a letter and digits appears on
the screen. In this case, check the following
table.
C:13:00
First three
Cause and/or Corrective
characters of
Action
the service
number
C 13 The disc is dirty
, Clean the disc with a soft
cloth (page 53).
C 31
The disc is not inserted correctly.
, Re-insert the disc correctly.
E XX To prevent a malfunction, the
(XX is a number) system has performed the self-
diagnosis function.
, Contact your nearest Sony
dealer or local authorized
Sony service facility and give
the 5-character service
number.
Example: E 61 10