LG HMC030KD1 Service Manual - Page 49

Product, erstA

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1- Product does not o erstA at all- eck tlie voltage of power(About AC 220WAC240 , 50HL) • Main power's voltage • Voltage applied to the unit • Connecting method of Indoor/Outdoor connecting cable • Check PWB.A..s.$)c - Fuse Pattern damage VaristorgNRO1J) YES man y, the operating condition of mom is Cheek each ludd(Irrduur/Oulduur Fdll MU Ur. Check the connection housing for co • Connector related-to-C-N-POWER • Connector related to CN-MOTOR -.-Connector contacting of Outdoor Fan/Compresso :-Display PWIii-Ass!y Check PCB Board Operation Check Items --Power Transformer (Outdoor-unit) Input Voltage Output tage 4 • IC01D(7812) Output (Outdoor unit) • KA211)(1805) Output-(Outdoor unit) _ICCE4D(7805) Output (Indoor unit) 4 1A(KIA7036,-keset4G) OSC01B(8MHz4Indoor unit) _-ICMA(KIA7036 Rnsnt IC) IDSC01B(4MHz)-(Outdoor-unit) Content Remedy About ± no - Check the power o age • Replace Trans About AC14±3V - DC +12V - DC +5V - Voltagc of Misers-No. 2, n oor unit (DC +4.5V over)-and Soldering condition, No-5-(Outdoor=unit) -•-Replace IC0l D (Outdoor unit) -.-Replace IC02D Otrtdoor-urrit)- ( n our unit)- -Replaeefaulty parts- - 49 -

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1-
Product
does
not
o
erstA
at
all
-
YES
eck
tl
ie
voltage
of
power
(About
AC
220WAC240
,
50
HL)
man
y,
the
operating
condition
of
mom
is
•
Main
power's
voltage
•
Voltage
applied
to
the
unit
•
Connecting
method
of
Indoor/Outdoor
connecting
cable
•
Check
PWB.A..s.$)c
-
Fuse
Pattern
damage
VaristorgNRO1J)
Cheek
each
ludd(Irrduur/Oulduur
Fdll
MU
Ur.
Check
the
connection
housing
for
co
•
Connector
related
-to
-C
-N
-POWER
•
Connector
related
to
CN-MOTOR
-.-Connector
contacting
of
Outdoor
Fan/Compresso
:-Display
PWIii-Ass!y
Check
PCB
Board
Operation
Check
Items
Content
Remedy
--Power
Transformer
-
unit)
(Outdoor
Input
Voltage
±
no
About
-
Check
the
power
o
age
•
Replace
Trans
Output
tage
About
AC14±3V
4
IC01D(7812)
Output
•
(Outdoor
unit)
-
DC
+12V
-
•
-
Replace
IC0l
D
(Outdoor
unit)
•
KA211)(1805)
Output
unit)
-
DC
+5V
IC02D
-(Outdoor
-.-Replace
Output
(Indoor
unit)
-
urrit)
-
_ICCE4D(7805)
Otrtdoor
4
(
n
our
unit)
-
1A(KIA7036,-keset4G)
-
Voltagc
Misers
2,
n
of
-No.
oor
unit
-Replaeefaulty
parts—
OSC01B(8MHz4Indoor
unit)
(DC
+4.5V
over)
Soldering
condition,
-and
-
Rnsnt
IC)
No-5-(Outdoor=unit)
_ICMA(KIA7036
IDSC01B(4MHz)-(Outdoor-unit)
-
49
-