Service Facilities Via Keyboard - Bang & Olufsen Beo4 1624 Service Manual

4 - 1
REPAIR TIPS, ENGLISH
REPAIR
Service facilities via keyboard
Bang&Olufsen
The repair of electronic faults in Beo4 is based on module replacement.
When replacing the display or module, an adjustment of the contrast in
the display must be carried out.
The following service information can be obtained:
Software version.
EEPROM
version.
Total number of times keys have been pressed.
Number of times'" has been pressed.
Number of times
1\
has been pressed.
Number of times LIST has been pressed.
Contrast adjustment in the display.
Key pressed
Display Explanation
• +
LIST OPTION? When the keys are pressed
imultaneously, the terminal is
brought into Setup mode.
MENU + GO SW:x.x
Press the keys simultaneously.
LIST
EE:x.x EEPROM version
LIST A:xxxxH Total number of times keys have
been pressed x 100 (HEX).
LIST B:xxxxH Number of times ... has been pressed
x 100 (HEX).
LIST C:xxxxH Number of times
A
has been pressed
x 100 (HEX).
LIST D:xxxxH Number of times LIST has been
pressed x 100 (HEX).
LIST CONT:xx Current contrast adjustment.
0
Two digits in the range from 00 to 15
3
have to be entered (start with low
values).
GO
CONT:03 New changed contrast adjustment.
LIST SW:x.x Repeats the sequence.
•
Abandons service facilities .
Correct contrast Too much contrast Too little contrast
,. .. . I .• '.
1.:1,.,1
!' . ,!
!
....
,
'
..
;',