Test Mode - Sony CDP-XB930L Service Manual

4-1. AF MODE
The following checks can be performed in the AF mode, which is
set by connecting the TP51 (AFADJ) terminal on MAIN board to
the Ground and turning on the power.
• FL tube check
After all segments light up, when the · button is pressed, the
following will be displayed. (Partial lighting 1)
A B C D E F
When the p button is pressed, the following will be displayed.
(partial lighting 2)
2 4
8 10
6
12 14
16 18
20
(Partial lighting 2)
When the OPEN/CLOSE § button is pressed, all will light up
again.
• Key check
All buttons have corresponding button numbers. When a button
is pressed, the counter will count up and display the button's
number. However, the counter will only count to "18". It will
not count for buttons already pressed once, but will display the
button's number.(Partial lighting 3)
88 TOTAL 88
Â
Display of
button number
SECTION 4

TEST MODE

(Partial lighting 1)
JOG RIGHT
• Remote commander check
Â
Display of
counting
• Audio check
(Partial lighting 3)
Button No.
Button
Displayed
LANGUAGE 0
MUSIC SCAN 1
AUTO SPACE 2
PEAK SEARCH 3
PLAY MODE 4
REPEAT 5
FADER 6
TIME/TEXT 7
0
8
) 9
When you turn the AMS knob clockwise
When you turn the AMS knob counter-clockwise
JOG LEFT
When the · button of the remote commander is pressed, the
following will be displayed. All go off when the other buttons
are pressed. (Partial lighting 4)
• Initial setting of digital filter and release of mute.
• When the TP51 (AFADJ) terminal on MAIN board is set to
HIGH (VDD), emphasis turns on. When set to LOW (Ground),
it turns off.
Button No.
Button
Displayed
EDIT/
10
TIME FADE
CHECK 11
CLEAR 12
P
18
ENTER 20
OPEN/CLOSE
ALL lit
§
PLAY ·
Partial lighting 1
STOP p Partial lighting 2
(Partial lighting 4)
9