Samsung RT53 - Parts Layout (Inverter Board)

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Hotpoint,Mba
4033 Cv
LG_MULTI_F_3828A20097W_1[1]
Samsung
Refrigerador
346481235-
WD856UHSAWQ-



0
PCB DIAGRAM
5-2. Parts Layout (Inverter Board)
1. PBA Power Supply : Supplies DC 16V and 5V to
the Inverter circuit for t
he Compressor control.
2. COMP Driving / Feedback Circuit
It receives the COMP(MSV) operation signals from the Main
PBA and feedba
cks the inverter
errors to the Main PBA.
3. Micom
(uPD78F1201)
4. BOOTSTRAP Charger : It is an
independent power circuit for the driving of t
he IPM High-Phase
IGBT.
5. Current Sensing Circuit : I
t pickups the currents taken by the Shunt resistance and does the
PWM DUTY control.
6. IPM (
IGCM04G60HA)
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