Smps Block Diagram - LG CM4740 Service Manual

2. SMPS BLOCK DIAGRAM

Noise
Y-Cap
Filter
Block
(X-cap
Y-Cap
Line Filter)
F
U
S
E
Snubber
Block
T
R
Main A
SMPS IC
N
Block
S
Photo coupler
Photo coupler
On/Off
Snubber
T
Block
R
A
AMP
N
SMPS IC
S
With FET
Block
Photo coupler
3-37
12V LDO
On/Off
Feedback
Feedback
3-38
FL+
FL-
Vkk
CN901
12V
5.6VA
P.CTL
PVDD