CMT-C5, HCD-C5 - Sony Audio Service Manual (repair manual). Page 25

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Procedure:
1. Press the  ?/1  button to turn the power on.
2. Press the  

FUNCTION 

z  button to set the CD function, and

insert a disc.

3. Press three buttons of  

VOL -

 , 

 CD 

Z  and

>/M 

TUNING +

  simultaneusly.

4. The message “Eject” is displayed, a disc is ejected and in-

serted again automatically.

5. The sequence during the CD aging mode is following as be-

low.

6. To exit this mode , press the  ?/1  button to turn the power

off.

∗

Aging of CD and MD is performed at the same time.

Procedure:
1. Press the  ?/1  button to turn the power on.
2. Press the  

FUNCTION 

z  button to set the CD function.

3. Insert a disc (CD) and a recordable disc (MD).
4. Press three buttons of  

VOL +

 , 

 

u  and 

 MD 

Z

simultaneusly.

5. The message “Eject” is displayed and aging started.
6. The sequence of CD aging is same as the CD aging mode,

however the MD aging is repetition of changing the track after
a few seconds recording.

7. The number of aging is displayed in hexadecimal. For example,

AGING00000011 means the 17th rouine of aging.

8. To exit this mode, press the  ?/1  button to turn the power off,

or press three buttons of  

VOL +

 , 

 CD 

Z  and 

 MD 

Z  simul-

taneously and cold reset is executed.

CD disc eject

CD disc in

TOC reading

Playback the first track

Playback the last track

Display the number of aging

About “R”
As this unit has only a few buttons, some operations require
the use of remote commander (RM-SC5BEN/provided with
unit: 1-476-649-21) buttons. These operations are indicated
as “R” in this manual.
Example:  

MENU/NO

 

“R”

  

...Press the  

MENU/NO

  button of

the remote commander.

Incorrect operations may be performed if the MD test mode
is not entered properly.
In this case, press the  ?/1  button to turn the power off, and
retry to enter the MD test mode.

• As operations related to loading will be performed regardless of

the test mode operations being performed, be sure to check that
the disc is stopped before setting and removing it.
Even if the 

 MD 

Z  button is pressed while the disc is rotating

during continuous playback, continuous recording, etc., the disc
will not stop rotating.
Therefore, it will be ejected while rotating.
Be sure to press the 

 MD 

Z  button after pressing the

MENU/NO “R”

  button and the rotation of disc is stopped.

• Continuous recording mode (CREC 1MODE)
• Laser power check mode (LDPWR CHECK)
• Laser power adjustment mode (LDPWR ADJUST)
• Comparison with initial Iop value written in nonvolatile memory

(Iop Compare)

• Write current Iop value in read nonvolatile memory using mi-

croprocessor (Iop NV Save)

• Traverse (MO) check (EF MO CHECK)
• Traverse (MO) adjustment (EF MO ADJUST)
• When pressing the  

REC/REC IT

  button.

The following is the method of entering the test mode.
Procedure: 1. Press the  ?/1  button to turn the power on.

2. Press the  

FUNCTION 

z  button to set the MD

function.

3. Press three buttons of  

VOL -

  ,  x  , and

CD SYNC HIGH

   (MD) simulta neously.

When the test mode is set, “[Check]” will be
displayed. Pressing the
.

 “R”

  or  >

 “R”

  button between the

following three groups; ···

 Tt [Check] Tt

[Service] 

Tt [Develop] Tt ···.

Do not use the test mode in the [Develop] group.
If used, the unit may not operate normally.
If the [Develop] group is set accidentally, press the

MENU/NO “R”  

button immediately to exit the [Develop] group.

Procedure 1: Press

 the  REPEAT “R”  

button to display “Initial-

ize”, then release the MD test mode.

Procedure 2: Press two button of  

VOL -

  and 

 MD 

Z  to display

“Intialize”, then release the MD test mode.