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EN 22
7.
TPS2.1E LA
CN853
Lamp Interfacing
CN851
CCFL-inverter
CN833
Lamp Interfacing
(only for 22")
CN831
Mains filter
2009-Apr-10
Circuit Descriptions
CN902
Power Control
PFC
Ac-input +
Mainfilter
AC-IN
CN901
Figure 7-4 High level Power Architecture IPB.
Low power
stand-by & mains
separation
Rectification +
PFC + Auxiliary
supplies
HV inverter
Dimming
Figure 7-5 Block diagram IPB.
SSB
stand-by
+3.3 V
stand-by
Mains separation
and rectification
+
Mains
+
−
separated
+
−
CCFL
−
18250_205_090310.eps
090318
+5.3 V
+18 V
18250_206_090310.eps
090318
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