Pcb Function; Power Circuit - LG LMX21981 Series Training Manual
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Also See for LMX21981 Series:
- Specification sheet (2 pages) ,
- User's manual and installation instructions (132 pages) ,
- Service manual (53 pages)
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LMX21981xx
PCB FUNCTION
POWER CIRCUIT
LMX21981xx
The secondary part of the TRANSFORMER
is composed of the power supply for the
display, the BLDC FAN Motor drive
(15.5 V
), the relay drive (12 V
DC
the MICOM and IC (5 V
The voltage for each part is as follows:
VA1 is a part for preventing over voltage
and noise. When 230 V or higher power is
applied, the inside elements are short
circuited and broken, resulting in blowout
of the fuse in order to protect the
elements of the secondary part of the
TRANSFORMER.
Page 61
REFRIGERATOR
) and
DC
).
DC
TRAINING MANUAL
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