LG NS9550F - Block Diagrams; Smps Block Diagram

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BLOCK DIAGRAMS
1. SMPS BLOCK DIAGRAM
Digital
Power
AMP
F_ L
F_R
SW_L
SW_R
AC Line
Filter Block
(Varistor,
X-Cap
Line Filter
Thermistor )
Pulse
Trans
Half Bridge
LLC Resonant
IC
(ICE1HS01G)
FET
20 A
600 V
2 EA
4.5 V
39 V
12 V
5.6 VA
+PVDD
(66 V)
AC
FL(+/ - )
VKK
MAIN SMPS
IC
(STR-2A153)
Flyback
MAIN
TRANS
u-com / BT
USB / MPEG
Motor Drive
FAN/LED/ Mic
VFD
PFC
P- C TRL
-5 V
-PVDD
(-66 V)
GATE
Half
Bridge
LLC
TRANS
(AMP)
Gate
Drive
4.2 CH 2300 W
OPAMP
AMP
P- C TRL
Totem
pole
PFC IC
(R2A20112A)
Interleaved
DCM
FET
13 A
600 V
4 EA
Gate
Drive
+
PFC Out
(380 V)
+
On/Off
On/Off
Vcc
Vcc
On/Off
On/Off
R_ L
R_R