Read LG 42LH50YD (CHASSIS:LJ91C) Service Manual online
Power-Up Sequence
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SAA7164 (MPEG Encoder)
Applications must guarantee all 4 conditions mentioned below during power-on of SAA7164
Condition 1:
RESET has to be LOW, when the 1.2 V digital and the 3.3 V digital supplies become available
RESET has to remain LOW for at least 5 ms after all supplies became available.
Condition 2:
Either power-on the 1.2 V analog and 3.3 V analog supplies simultaneously
Or power-on the 1.2 V analog supplies after the 3.3 V analog supplies
Condition 3:
Either power-on the 1.2 V analog, the 1.2 V digital and 3.3 V digital supplies simultaneously
Or power-on the 1.2 V digital supplies after the 1.2 V analog and 3.3 V digital supplies.
Condition 4:
Either power-on the 2.6 V digital supplies after the 3.3 V digital supplies
Or power-on the 1.2 V digital supplies simultaneously or after the 2.6 V digital supplies.
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