CX-JN44, JAX-S44 - Sony Audio Service Manual (repair manual). Page 18

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•

This mode can be used for operation check of CD section and
tape deck section.
CD section and tape deck section work in parallel.

The aging operation stops only an error occurred sections and
display then status.

The aging operation continues repeatedly.

1. Press the ?/1 button to turn the power ON.
2. Press the [CD] button to select “CD”.
3. Set disc on the CD tray and set tape into the deck.
4. Press three buttons of x ,  [P FILE]  and  [DISC SKIP/EX-

CHANGE] simultaneously.

5. Aging operations of CD and tape are started at the same time.
6. To release from this mode, press the ?/1 button to turn the

power OFF and press the function buttons.

Display operating state of CD section and tape deck section
alternately.
If an error occurred, stop display which that section.

The sequence during the aging mode is following as below.
Display at the aging mode is the same as the normal operation.

The sequence during the aging mode is following as below.
If an error occurred, stop display that step.

“TAPE 

*

AG-

*

” is display of each step.

•

This mode is used to check the fluorescent indicator tube, LEDs
and buttons.

1. Press the ?/1 button to turn the power ON.
2. Press three buttons of x ,  [P FILE]  and  [ENTER]  simulta-

neously.

3. Fluorescent indicator tube and LEDs are all turned ON.
4. Press two buttons of X and [ENTER] simultaneously, mode

is changed over.

5. In the key check mode, press each key, the defined key number

of every each key list is displayed on the fluorescent indicator
tube.

6. In the key count check mode, “KEYCNT 0” is displayed on

the fluorescent indicator tube. Each time a key is pressed, “K”
value increases. However, once a key is pressed, it is no longer
taken into account.

7. In the headphone input check mode, connect the headphone,

the message “H_P ON” is displayed on the fluorescent
indicator tube, and disconnect the headphone, the message
“H_P OFF” is displayed on the fluorescent indicator tube.

8. In the volume check mode, “VOLUME FLAT” is displayed

on the fluorescent indicator tube. Turn the [VOLUME] knob
clockwise, the message “VOLUME UP” is displayed on the
fluorescent indicator tube momentarily and turn the [VOLUME]
knob counterclockwise, the message “VOLUME DOWN” is
displayed on the fluorescent indicator tube  momentarily.

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.

Shut off

2 minutes

Shut off

2 minutes

Shut off

Rewind the tape A and B

 “TAPE AAG-1 or TAPE BAG-2”

 FWD play the tape A 

 “TAPE AAG-3”

 Rewind the tape A

 “TAPE AAG-6”

 FWD play the tape B 

 “TAPE BAG-3”

 Rewind the tape B

 “TAPE BAG-6”