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LG RAT375 - Page 35

LG RAT375
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3-20
2. SMPS BLOCK DIAGRAM
PVDD
+
¡
Noise
Filter
Block
(X-cap
Line Filter)
Snubber
Block
Main
SMPS IC
Block
T
R
A
N
S
Snubber
Block
¡
¡
Photo coupler
Photo coupler
Photo coupler
FL+
FL-
On/Off
Vkk
On/Off
5V
5V LDO
12V
12V
Regulation
Block
3.7VA
P.CT L
On/Off
On/Off
¡
¡
¡
¡
¡
¡
¡
¡
AMP
SMPS IC
With FET
Block
¡
F
U
S
E
Y-Cap
Y-Cap
¡
T
R
A
N
S
SMPS
¡
5.6VA
CD P.CTL
CN 901
CN 902/3
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