“Supply Detection Algorithm For Dc-Dc Outputs” Flowchart; “Supply Fault Detection Algorithm” Flowchart - Philips 32PFL7403D/10 Service Manual

Service Modes, Error Codes, and Fault Finding
Polling every 40ms
No
Figure 5-11 "Supply detection algorithm for DC-DC outputs" flowchart
N0
No
Shutdown ( Active to
Semistdby to standby )
Wait for 5 seconds
Restart
Figure 5-12 "Supply fault detection algorithm" flowchart
supply detection algorithms for DC-DC outputs
DETECT 1 = Low ?
No
Yes
Check DETECT1 5 times
( within 500us )
Yes
DETECT 1 = Low ?
5 consecutive times ?
Shutdown ( Active to
Semistdby to standby )
Wait for 5 seconds
Restart
supply fault detection algorithm
SUPPLY-FAULT = LOW for
1ms ?
Yes
DETECT1 = High ?
Yes
Error 9
SP
Q528.2E LB 5.
I_17960_067.eps
220508
I_17960_068.eps
220508
EN 33