Service Modes, Error Codes, and Fault Finding
5.
Figure 5-10 “Protection” flowchart
H_16770_115.ep
s
290
3
07
Protection
action holder: MIPS
autonomous action
action holder: St-by
Redefine wake up reasons for protection
state and transfer to stand-by µP.
Log the appropriate error and
set stand-by flag in NVM
MP
Ask stand-by µP to enter protection state
Flash the Protection-LED in order to indicate
protection state*.
(*): This can be the standby LED or the ON LED
depending on the availability in the set under
discussion .
SP
Switch off LCD lamp supply
Wait 250ms (min. = 200ms)
Switch off LVDS signal
Switch off 12V LCD supply within a time frame of
min. 0.5ms to max. 50ms after LVDS switch off.
Disable all supply related protections and switch off
the +1V8 and the +3V3 DC/DC converter.
Switch OFF all supplies by switching HIGH the POD -
MODE and the ON-MODE I/O lines.
Switch AVC in reset state
switch off the +1V2 DC/DC converter
Wait 5ms
Wait 10ms
Switch the NVM reset line HIGH.
Содержание ME8
Страница 11: ...Mechanical Instructions EN 11 Q522 1E LA 4 Figure 4 4 Cable dressing 47 I_17750_057 eps 060608 ...
Страница 37: ...Service Modes Error Codes and Fault Finding EN 37 Q522 1E LA 5 Personal Notes E_06532_012 eps 131004 ...
Страница 38: ...Service Modes Error Codes and Fault Finding EN 38 Q522 1E LA 5 ...