CHC-CL5MD, HCD-CL5MD - Sony Audio Service Manual (repair manual). Page 3

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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)”.

Perform the self-diagnosis function in the “error history display mode” in the test mode. The following describes the least required
procedure. Be careful not to enter other modes by mistake. If other modes are entered accidentally, press the  MENU/NO  button to
exit the mode.

1.

Connect the mains lead to the mains while pressing the  DIMMER ,  FUNCTION  , and  x  buttons together, then release the DIMMER,
FUNCTION , and  x  buttons simultaneously. While the test mode is set. “[Check]” will be displayed.

2.

Move  ./>  left and right to display “[Service]” and press the  ENTER/YES  button.

3.

Move  ./>  left and right to display “Err Display”.

4.

Press the  ENTER/YES  button to enter the error history mode. “op rec tm” will be displayed.

5.

Select the item to be displayed or executed using  ./>  .

6.

Press the  REC MODE  button to display the selected item.

7.

Press the  REC MODE  button another time to return to step 4.

8.

Pressing the  MENU/NO  button displays “Err Display” and exits the error history display mode.

9.

To exit the test mode, press the  REPEAT  button. This sets the standby state and ends the test mode.

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 (Refer to Operating
Instruction on page 48). You cannot record a
CD-R.

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

cConsult your nearest Sony dealer.

There is a problem with the optical pickup.

cThe optical pickup may have failed. Consult your

nearest Sony dealer.

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 three 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 (Refer to Operating Instruction on page 17).

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 insert it again.

The MD deck cannot read the disc information
properly.

cReplace the MD.
cErase all the recorded contents of the MD using

the All Erase function (Refer to Operating
Instruction on page 27).