CMT-C5, HCD-C5 - Sony Audio Service Manual (repair manual). Page 2

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The self-diagnosis function consists of error codes for customers, which are displayed automatically when errors occur,
and error codes, which show the error history in the test mode during servicing. For details on how to view error codes
for the customer, refer to the following box in the instruction manual. For details on how to check error codes during
servicing, refer to the following “Procedure for using the Self-Diagnosis Function (Error History Display Mode)”.

This system has a Self-diagnosis display
function to let you know if there is a system
malfunction. The display shows a code made
up of 3 or 5 letters and a message alternately to
show you the problem. To solve the problem
refer to the following list. If any problem
persists, consult your nearest Sony dealer.

The MD is protected against erasure.

cRemove the MD and slide the tab to close the

slot (see page 18).

You tried to record a CD or MD with a format that
the system does not support, such as a CD-ROM.

cRemove the disc and turn off the system once,

then turn it on again.

Recording could not be performed properly.

cMove the system to a stable place, and start

recording over from the beginning.

The MD is dirty or scratched, or the MD does not
meet the standards.

cReplace the MD and start recording over from

the beginning.

The MD deck cannot read the disc information
properly.

cRemove the MD once, then load it again.

There is a problem with the optical pickup.

cThe optical pickup may have failed. Consult your

nearest Sony dealer.

The MD deck cannot read the disc information
properly.

cReplace the MD.

Erase all the recorded contents of the MD using
All Erase Function (see page 29).

The sound source is a copy of a commercially
available music software, or you tried to record a
CD-R (Recordable CD).

cThe Serial Copy Management System prevents

making a digital copy (see page 48). You cannot
record a CD-R.

This appears momentarily because of the signal of
the digital broadcast during recording.

cThere is no affect on the recorded contents.
No component is connected to the DIGITAL
OPTICAL IN jack, or a digital component is not
connected properly.

cConnect a digital component to the DIGITAL

OPTICAL IN jack properly using a digital
connecting cable (not supplied, see page 43).

The connected digital component is not turned on.

cSee the operating instructions supplied with the

connected component and confirm whether the
component is turned on.

The digital connecting cable connected to the
DIGITAL OPTICAL IN jack is pulled out, or the
connected digital component is turned off during
digital recording.
cConnect the cable, or turn on the digital

component.

There is an error in the internal data that the system
needs in order to operate.

cConsult your nearest Sony dealer.