Service Modes, Error Codes, and Fault Finding
EN 25QFU1.2E LA 5.
2014-Jan-10
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Figure 5-5 “Off” to “Semi Standby” flowchart (part 2)
19210_081_120504.eps
120504
Yes
Semi-Standby
3-th try?
No
Switch Standby I/O line LOW
Switch AVC in reset
Enter protection
Wake up reason
coldboot to Active mode?
Startup screen cfg file
present?
yes
No
No
yes
AUDIO-MUTEn is switched by MIPS code
later on in the startup process when audio
needs to be released
Switch RESET-FUSION-OUTn, RESET-
HDMI-MUXn , RESET-ETHERNETn Low
Boot is failing
Reset-lines are switched
MIPS boots
Standby µP monitors
boot process and will
init a restart if Boot
process hampers
TV application starts
Set was
started with
SDM pin?
Yes
Ignore boot failure:
Stall the startup process.
Blink Layer2 error 53.
Enter protection without
turning off the supplies
No
Wait 4 seconds before restarting
No
Blink error code
Layer 1 error 2
MIPS sends out startup screen
MIPS starts up the display.
Startup screen visible
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