CDP-XB820 - Sony Audio Service Manual (repair manual). Page 9

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When the 

p button is pressed, the following will be displayed.

(partial lighting 2)

When the OPEN/CLOSE 

§ button is pressed, all will light up

again.

When the 

≠  AMS ±  knob is rotated, the following

will be displayed. (partial lighting 3)

All buttons have corresponding button numbers. When a button is
pressed, the counter will count up and display the button’s num-
ber. However, the counter will only count to “18”. It will not count
for buttons already pressed once, but will display the button’s num-
ber.

The following checks can be performed in the AF ADJ mode, which
is set by connecting the TP2 (AF ADJ : JW96) terminal on MAIN
board to the Ground and turning on the power.

After all segments light up, when the 

· button is pressed, the

following will be displayed. (Partial lighting 1)

(Partial lighting 3)

(Partial lighting 2)

(Partial lighting 1)

“FILTER-STD/1/2/3” is displayed on the FL tube when the
FILTER switch is pressed.

“REMOCON  PLAY” is displayed on the FL tube when the PLAY
button on the remote commander is pressed.
All go off when the other buttons a pressed.

• Initial setting of digital filter and release of mute.
• When the TP2 (AF ADJ) terminal on MAIN board is set to HIGH

(VDD), emphasis turns on. When set to LOW (GND), it turns
off.

2

4

6

8

10

12

14

16

18

20

Â

Display of counting

Â

Display of button number

Rightward:

Lefrward:

Button

Button Number or Display

LANGUAGE

0

MUSIC SCAN

1

AUTO SPACE

2

PEAK SEARCH

3

PLAY MODE

4

REPEAT

5

FADER

6

TIME/TEXT

7

0

8

)

9

EDIT/TIME FADE

10

CHECK

11

CLEAR

12

P

18

PUSH ENTER

20

OPEN/CLOSE 

§

All lit

PLAY 

·

Partial lighting 1

STOP 

p

Partial lighting 2

≠ AMS ±

Partial lighting 3