HCD-GX8000, HCD-RG77 - Sony Audio Service Manual (repair manual). Page 15

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HCD-GX8000/RG77
15
Aging mode sequence (CD section) :
Start (from disc 1)
Disc chucking
TOC read
Play first track for 2 seconds
Play last track for 2 seconds
EX-change open/close
Open the disc tray
Disc skip
Close the tray
Change the next disc.
Display at an error occurred (Error display mode)
Procedure:
1. Press three buttons of
x
[ENTER]
, and 
[DISC 1]
 simultaneously
to enter the error display mode.
2. It displays of total error.
3. Each time the
– 
m
or
M
 +
button is pressed, display change
as below.
4. To clear the error record, operate the cold reset. (Refer to the
“MC COLD RESET”)
5. To release this mode, press the
?/1
button or disconnect the
power plug to turn the power OFF.
Display of total error
– 
m
Button
M
 +
Button
Display of Mechanical errors
– 
m
Button
M
 +
Button
Display of no disc errors
[CD  SERVICE  MODE]
• This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the optical pick-up.
Procedure:
1. Press
?/1
button to turn the set ON.
2. Select the function “CD”.
3. Press three buttons
x
[ENTER]
 , and 
[OPEN/CLOSE]
 si-
multaneously.
4. The CD service mode is selected.
5. With the CD in stop status, press
M
 +
button  to move the
optical pick-up to outside track, or press
– 
m
button to inside
track.
6. To release this mode, press the
?/1
button.
[AGING  MODE]
This mode can be used for operation check of CD section and tape
deck section.
CD section and tape deck section work in parallel.
If an error occurred:
The aging operation stops only an error occurred sections and
display then status.
If no error occurs:
The aging operation continues repeatedly.
Procedure:
1. Press the
?/1
button to turn the power ON, and press the 
[CD]
button to select the function “CD”.
2. Set discs on all trays, and set tapes into the decks A and B
respectively.
3. Press the 
[PLAY MODE]
 button to set the “ALL DISCS” mode,
and press the 
[REPEAT]
 button to “REPEAT” off.
4. Press three buttons of
x
[ENTER]
, and 
[EX-CHANGE/DISC
SKIP]
 simultaneously.
5. Aging operations of CD and tape are started at the same time.
6. To release this mode, press the
?/1
button or disconnect the
power code to turn the power OFF.
1. Display at the Aging Mode
Display operating state of CD section and tape deck section
alternately.
If an error occurred, stop display which that section.
2. CD Section
The sequence during the aging mode is following as below.
Display at the aging mode is the same as the normal operation.
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