Diagramas De Bloque; Diagrama De Bloque De Smps - LG MCD204 Manual De Servicio

DIAGRAMAS DE BLOQUE

1. DIAGRAMA DE BLOQUE DE SMPS

BRIDGE DIODE
GBU6J(200W)
GBU4J(100W)
CONDENSOR
LINE FILTER
270uF/450V
180uF/450V
FUSE
INPUT:90~240V
Transformer
EER 3435
DRIVE
(100W)
PWM.DRV
IC
EER 4242
STR-X6757N
(200W)
(200W)
PC9XX
STR-W6753
EL817
(100W)
PC9XX
EL817
Transformer
DRIVE
EER 2828
IC
STR-W6252
PWM.DRV
PC9XX
EL817
3-19
Rectifier
Diode
200V/20A
(200W)
200V/10A
(100W)
PGND
PH-SW
7805
IC
Rectifier
Diode
278R33
IC
Rectifier
Diode
278R05
Rectifier
Diode
IC
Rectifier
278R12
Diode
Rectifier
Triode
Diode
GND
+4.5V
Rectifier
Triode
Diode
Rectifier
Diode
PH-SW
3-20
PVDD
PVDD=7.5A/5A
PVDD
PVDD=7.5A/5A
PVDD
PVDD=7.5A/5A
PGND
PGND
PGND
PGND
+3.3V_PWM
+3.3V_PWM
+3.3VD
+3.3VD(1.5A)
USB_5.6V
USB_5.6V
+5V(1.5A)
+5V(1.5A)
GND
DGND
+5VM
+5VM
GND
MGND
+12VA
+12VA
-12VA
-12VA
AGND
-4.3V
-4.3V/250mA
+4.3V
+4.3/250mA
VKK
DGND_CPU
+5.6V
5.6VA
PWR_SENSE
PWR_CTRL
VFD_POW
vkk