LG LRSPC2661T User Manual REFRIGERATOR Manuals And Guides L0301008

LG Side by Side Refrigerator Manual L0301008 LG Side by Side Refrigerator Owner's Manual, LG Side by Side Refrigerator installation guides

User Manual: LG LRSPC2661T LRSPC2661T LG REFRIGERATOR - Manuals and Guides View the owners manual for your LG REFRIGERATOR #LRSPC2661T. Home:Kitchen Appliance Parts:LG Parts:LG REFRIGERATOR Manual

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WARNINGS AND PRECAUTIONS
Please observe the following safety precautions
use safely and correctly the refrigerator

in order to

FOR SAFETY

8. Do notfray. damage, machine, heavily bend, pull out,
or twist the power cord.

and to prevent

accident and danger during repair.
Please check the evidence of moisture
1. Be care of an electric shock. Disconnect power cord
from wall outlet and wait for more than three minutes
before replacing PWB parts. Shut off the power
whenever

replacing

intrusion in the

electrical components. Replace the parts or mask it
with insulation tapes if moisture intrusion was
confirmed.

and repairing electde components.
10. Do not touch the icomaker

2. When connecting power cord, please wait for more than
five minutes after power cord was disconnected from the
wall outlet.

11. Do not let the customers

repair, disassemble,

reconst_ct the refdgerator for themselves.
cause accident, electTic shock, or fire.

3. Please check if the power plug is pressed down by the
refrigerator against the wall tf the power plug was
damaged, it may cause fire or electric shock.

12. Do not store flammable

and

It may

materials such as ether,

benzene, alcohol, chemicals, gas, or medicine in the
refrigerator.

4. ff the wall outlet is over loaded, it may cause fire. Please
use its own individual electrical

with hands or tools to

confirm the operation of geared motor.

outlet for the refrigerator.
13. Do not put flower vase, cup, cosmetics, chemicals,

5. Please make sure the outlet is propedy earthed,
particularlyin wet or damp area.

etc., or container

with full of water on the top of the

refrigerator.

6, Use standard electrical components when replacing
them.

14. Do not put glass bottles with full of water into the
freezer. The contents shall freeze and break the glass
bottles.

7. Make sure the hook is correctly engaged.
Remove dust and foreign matedals from the housing
and connecting

15. When you scrap the refrigerator,

parts.

please disconnect

door gasket first and scrap it where children are not
accessible.

-3-

the

SPECIFICATIONS

ITEMS

SPECIFICATIONS

ITEMS

SPECIFICATIONS

DIMENSIONS (ram)

960(W)x915(D)×1795(H)

FIRST DEFROST

5 - 6 Hours

NET WEIGHT (kg)

169

DEFROST CYCLE

13- 15 Hours

COOLING SYSTEM

Fan Cooling

DEFROSTING DEVICE

Heater, Sheeth-AL

TEMPERATURE CONTROL

Micom Control

Heater, Sheatb-ML

DEFROSTING SYSTEM

FullAutomatic

Heater, Drain

Heater Defrost

ANTI SWEAT HEATER

Dispenser Duct Door Heater

INSULATION

Cyclo-Pentane

Dispenser Heater

COMPRESSOR

P,T.C, Starting Type

Frame LCD Heater

EVAPORATOR

Fin Tube Type

CONDENSER

Wire Condenser

Damper Heater

REFRIGERANT

R134a (210g)

Tube Inject Heater

LUBRICATING OIL

FREOL @15G (330 cc)

FREEZER LAMP

60W (1 EA)

DRIER

1_0.83

REFRIGERATOR LOWER LAMP

60W (1 EA)

CAPILLARY TUBE

MOLECULAR SIEVE XH-7

REFRIGERATOR UPPER LAMP

30W (2 EA)

ANTI-FREEZING HEATER

Chilled Room DuctHeater

DISPENSER LAMP

i 15W(1 EA)

1072

i
!
I

-4-

PARTS IDENTIFICATION

Reset S/W
Cover PWB

Manag

Frame

Remote Control
Receiver

Display

Camera

Lamp

Ice &Water
Dispenser
Button

Control Box, R
Dairy Corner
Cover, Lamp-R(U)
Cantilever

Shelf

Banklce

Egg Box
Cover,

Snack Comer
Slide Out
Cantilever

Shelf-F

Shelf

Cover
Guide Bottle
Cover, Lamp-R(L)
FruiUVegetable
Drawer
Supporter
Basket

Drawer
Bottle

Cover Lower

AdjustScrew
(right)

Adjust Screw
(left)

* Optional Part
.5-

Vegetable/Chilled
Drawer
Convertible Switch

HOW TO INSTALL REFRIGERATOR
1. How

to Adjust

Door

Height

of Refrigerator

• Make the refrigerator level first. (ff the refrigerator
door may not be the same.)

is not installed on the fiat floor, the height of freezer and refrigerator

1. If the height of freezer door is lower than that of
refrigerator

compartment

2. If the height of freezer door is higher than that of

refrigerator

compartment

Insert a driver B into the groove A of edjusting screw
and rotate driver in arrow direction (clockwise) until the

Insert a ddver B into the groove A of adjusting screw

refrigerator

and rotate driver in arrow direction (clockwise)

becomes horizontal.

-6-

becomes horizontal.

until the

HOW TO INSTALL REFRIGERATOR
2. How

to Install

Pipe

Water

2-1. When connecting directly to the water tap.

• Before Installation

• Please confirm the following installation parts.

t. The icemaker requires the water pressure of 1.5 8.5kgf/cm 2. (It is acceptable if city water fills a cup of
180cc with water for 10 seconds)
2. Install booster pump where the city water pressure is
below 1.5kgf/cr_- for normal operation of water and ice
dispenser.
Valve Feed

3. The total length of water pipe shall be less than 12rn. Do

Rubber, Packing

Connector, Pipe

not bend the pipe at right angle. If the length is more
than 12m. there will be troubles on water supply due to
water pressure drop.
4. Please install water pipe where there is no heat around.
5. Be sure that the filter does not sterilize.
6. The life span of water filter depends on the use

Connector,

Pipe

Tape, Teflon

conditions. But the filter is generally replaced in every
six months. Install filter where replacement can be easily
performed,
Class.

Shape and Spec.

Convertible
Water

_. [_"_

Nomenclature
Valve Feed

PINo
5221JA3001A

Remarks
Common Use

Valve

Connector
Water

_____
_

Q
Connector,

(MECH)Pipe

Connector,(MECH) Pipe
ConversionConnector(3/4")
Balance Conector(3/4")
Packing(o24x3t)

6631JA3004A
6631JA3004B
4932JA3003A
3920JA3001 B

Connector,(MECH) Pipe
ConversionCeenector(W25)
Balance Conectcor(W25)
Packing(a23x3t)

4932JA3003B
6631JA3004C
6631JA3004D
3920JA3001A

Connector,(MECH) Pipe
ConversionConnector(W28)
Balance Conector(W28)
Packing(e26x3t)

4932JA3(X)3C
6631JA3004E
6631JA3004F
3920JA3001C

Connector,(MECH) Pipe
ConversionConnector(I/2")
Balance Conector(1/2")
Packing(ol 9x3t)

4932JA3003D
6631JA3004G
6631JA3004H
3920JA3001D

-7-

No Holes

HOW TO INSTALL REFRIGERATOR
2-2. Connection

of Pipe Connector

A and B.

Caution : o Feed pipe should be connected to cold water
line. If it is connected to hot water line, trouble

1) Turn off main valve of water pipe.

may occur.

2) Disconnect water tap from piping by loosening nuts.

• Please check rubber packing when connecting
feed pipe.

3) Connect pipe connector A and B to piping alter sealing
the pipe connector with sealing tapes.
4) Connect feed valve to pipe connector A.
5) If there is only one tap water pipe, connect pipe
connector A only and install feed pipe.

Single Lever Type Faucet
(general)

Pipe Connector B

Gene_lType

Feed

Feed
Valve

Two Hands Type Faucet

How to wind
SealingTapes.

2-3. Water

Feed
Valve

Supply

Single LeverTypeFaucet(one
hole, techtypeand
hand spray)

Valve

2) Check leakage at connecting part, then arrange water
tube and locate the refrigerator at its regular place if

1) After the installation of feed water, plug the refrigerator
to the earthered wall outlet, press the water dispenser
button for 2 - 3 minutes, and confirm that the water
comes out.

there is no leaking.

-8-

HOW TO INSTALL REFRIGERATOR
• Install Water Filter (Applicable
• Before Installing

to some models only)

water filter

Control box

1. Before installing the filter, take out the top shelf of the
refrigerator after tilting it to the direction (a) and lifting it
to the direction (b) and move it to the lower part.
2. Remove the lamp cover by pressing the protrusion
under the cover and pufiing the cover to the front.
and the fastening

guide line
indication line

O_i

;ontrolbox
" "
" the guide line
and the loosening indication line

• After installing
Reassemble

water filter

the lamp cover and the top shelf of the

refrigerator. To place the top sheff of the refrigerator,

raise

• Installing water filter

the front part of the shelf a bit so that the hook of the shelf

1. Initial installation

is fit into the groove.

of water filter

In order to clean the water filter system, drain water for
about 3 min.

Remove the filter substitute cap by turning it
counterclockwise (a)

by 90 degrees and pulling it down.

Note : Then open the door of the refrigerator

Note : Keep it safe to use it later when you do not use the
filter.
Remove the red cap from the filter and attach the
sticker, Insert the upper part of the filter (a) after
aligning with the guideline marked on the control box,
and fasten it by turning it clockwise

by 90 degrees.

Note : Check that the guideline and the fastening
indication

line are aligned.

_ubstitute

_=_=

_
2. Replacement

Adhesion

_icker

of water filter

While holding the lower part of the filter, turn it
counterclockwise (a)

and check for

water droppings on the shelf under the filter.

by 90 degrees and pull it down.

Note : Check that the guideline and the loosening
indication line are aligned.

-9-

HOW TO INSTALL REFRIGERATOR
3. How to Control

the Amount

of Water Supplied

to icemaker.

3-1. Confirm the amount of water supplied to the icemaker.
t. Pull out the ice bank in the upper pert of the freezer compartment.
Caution : * Do not put hands or tools into the chute to
confirm the operation of geared motor.
it may damage refrigerator

or hurt hands.)

• Check the operation of motor with its
operation noise.

2. Apply electricity

after connecting

water pipe.

1) Press test switch under the icemaker for two seconds as shown below.
2) The bell rings(ding-dong)

and ice tray rotates and water comes out from the icemaker water tube.

3) The water shall be supplied two or three times into the tray. The amount of water supplied for each time is small
Put a water container under the ice tray and press test switch.
4) When ice tray rotates, the water in it will spill. Collect the spilt water and throw away into the sink.
5) When ice tray has finished rotation, water comes out from the water tube. Confirm the amounts of water in the ice tray.
(refer to fig. The optimum amount of water is 110cc)

Confirm the amount
of water

Ice maker

Test Switch

* It is acceptableif the adjusted level of water is a bit smaller than optimumlevel.

-10-

HOW TO INSTALL REFRIGERATOR
3-2. Control the amount of water supplied to the
icemaker.

Caution : When adjusting the amount of water supplied,
adjust step by step. Otherwise
spill over.

Caution : • Please unplugthe powercordfrom the wall
outletand waitfor more than three minutes
before disconnectingPWS coveras 310V is
appliedin the controlpanel,
1. Disconnect PWB cover from the upper part of the

the water may

Switch ON

refrigerator.

Switch OFF
PWB(PCB), Assembly
j(+)

Driver
3. When adjustment of control switch for the amount of
water supplied is complete, check the level of water in
the ice tray.

Confirm the amount
of water

2, Adjust the amountof water suppliedby usingDIP
switch.
• Water Supplying

Time Control

Option

SWITCH NO

Water Suppling

S/W1

SNV2

S/W3

Time

OFF

6 Sec.

OFF

4 Sec.

OFF

4.5 Sec.

OFF

OFF ....

Optimum
le ,"

5 Sec.

5.5 Sec.

"'_b_

7 Sec.
.....

8Sec.
g Sec.

1) The water supplying time is set at five seconds when the
refrigerator

is delivered.

2) The amount of water supplied depends on the setting
time and water pressure (city water pressure).
3) If ice cube is too small, increase the water supplying
time. This happens when too small water is supplied into
the ice tray. (eg: change 5 to 5.5 seconds)
4) If ice cube sticks together,

decrease

the water supplying

time. This happens when too much water is supplied
into the ice tray. (eg: change 5 to 4.5 seconds)

-11 -

_o_

ICEMAKER
ANDDISPENSER
OPERATION
PRINCIPLE
ANDREPAIR
METHOD
2°4. Ice Ejection

Control

Function

1. This is to eject ice from ice maker cube mould after ice making is completed.
2. if Hall IC signal is on within 3.6 seconds after ice ejection motor rotates in normal direction, it does not proceed ice
ejection but waits, If the ice bank is full ice ejection motor rotates in normal direction in every hour to check the condition
of ice bank. If the ice bank is not full, the water supply control starts after completion of ice ejection control. If the ice bank
is full, ice ejection motor rotates in reverse direction and sops under ice making or waiting conditions.
3. if ice bank is not full, ice ejection starts. The cube mould tilts to the maximum and ice is separated from the mould and ice
checking lever raises.
4. Ice ejection motor stops for 1 second if Hall IC signal changes from OFF (low) to ON (high) after 3.6 seconds when ice
ejecSon motor rotates in normal direction. If there is no change in Hall IC signals within 1 minute after ice e}ection motor
operates, ice ejection motor stops as ice ejection motor or hall IC is out of order.
5. If ice ejection motor or Hall IC is abnormal, ice ejection motor rotates in normal direction to exercise initial operation. It
resets the ice maker if ice ejection motor or Halt IC is normal.
6. The mould stops for 1 second at maximum

tilted conditions.

7. The mould returns to horizontal conditions as ice ejection motor rotates in reverse direction.
8. When the mould becomes horizontal, the cycle starts to repeat:
Water Supply ..* Ice Making * Ice Ejection .._Mould Returns to Horizontal
Maximum tilting
point

r Bank is

HALL IC
OUTPUT
SIGNALS
Bank is

i1_

•

=-)'/'

,
i
I

r
i
i

OFF
"_

HALL IC
OUTPUT
SIGNALS

ICECHECKING LEVEL 30° i
i

I ICE CHECKING
-8'
Lock

I
....

O" 10"

32'

Ice making

L ....
t

41"

I
i

J__J.
i
i

53"

68"

80'

Ice Checking

(o_n_ i:,_nt)
2±1 sec

= I

9:_3 sec

8+-3
sac

- 22 -

160" 170'
IceEjection Lock

ICEMAKER
ANDDISPENSER
OPERATION
PRINCIPLE
ANDREPAIR
METHOD
2-5 Test Function
1. It is to force the operation during operation test, service, and cleaning. The test switch is mounted under the automatic
ice maker. The test function starts when the test switch is pressed for more than 0.5 second.
2. Test button does not work during ice ejection and water supply. It works when it is in the horizontal conditions.
full of ice during test function operation, ice ejection control and water supply control do not work.

If mould is

3. When test switch is pressed for more than 0.5 second in the horizontal conditions, ice ejection starts irrespect of the
mould conditions. Water shall be splashed it test switch is pressed before the water in the mould freezes. Water shall be
supplied while the mould returns to the horizontal conditions after ice ejection. Therefore the problems of ice ejection,
returning to the horizontal conditions, and water supply can be checked by test switch. When test function performs
normally, buzzer sounds and water supply shall carry out. Check it for repair if buzzer does not sound.
4. When water supply is completed,
horizontal conditions

the cycle operates normally as follows: Ice making

• Ice ejection

• Returning to

, Water supply

5. Remove ice from the ice maker cube mould and press test switch when ice maker cube mould is full of ice as ice ejection
and water supply control de not work when cube mould is full of ice.

2-6. Other

functions

relating

to freezer

compartment

door opening

1, When freezer door is open, ice dispenser steps in order to reduce noise and ice drop.
2. When freezer door is open during ice ejection and cube mould returning to horizontal

condition,

ice ejection and cube

mould level return proceed.
3. When freezer door is open, geared motor and cube ice solenoid immediately
seconds.
4. Water dispenser

stop and duct door solenoid stops after 5

stops in order to protect water drop when freezer door is open.

5. Test function operates normally

irrespect of refogearator

cempadment

- 23 -

door opening.

ICEMAKER
ANDDISPENSER
OPERATION
PRINCIPLE
ANDREPAIR
METHOD
3. Ice Maker Troubleshooting
• Troubleshooting: it is possibleto confirmby pressingfreezer and refrigerator temperature controlbuttons for more
than 1 second.(ice maker is normalifall [edeare on): referto troublediagnposisfunction in MICOM
function 2-8 (page 18)

Failed DC Power

Chang e main PWB

• Check DC power (5V, 12V).

Failed ice making sensor

Replace Ice making
Sensor

]

• Check the resistance of
both ends (1,2) of ice making
sensor of CON9.
• Defects between ice making
sensor and board
(Pin No. 60oflCl)

Failed Ioe Maker Unit

_._

• Is the resistance of both ends
(9,10) of ice ejection motor of
CON9 between 18 and 22D?
• Is ice ejection motor drive circuit
(ICll and peripheral circuits)
normal?
• Defects between Hall IC and

Replace Ice Maker Unit [

I Replace Main PWB

Board (Pin No. 42 of IC1).
• Confirm ice ejection and level
r

/
/
"_

ejesb_n and level return
normalwhen test switch is
pressed for mere than 0.5 second? /
Does the bell
/

return when pressing
test switch.

Failed ice maker unit test switch

Replace

Ice maker Unit I

• Are both ends (5,6) of CON9
test switch open?
• Defects between test switch
and board (Pin No. 38 of IC1).
• Are both ends (3,4) of CON9
ice maker stop switch short?

Poor water supply
• Is power applied to water
supply valve?
• Does the water supply
valve work normally?
• Is the water supply line
normally connected?
Normal

- 24 -

supplyvalve
Replacewater

ICEMAKER
ANDDISPENSER
OPERATION
PRINCIPLE
ANDREPAIR
METHOD
4. Ice maker circuit part

IC1
CON9

(MICOM)
P64

[,,,,_4)

P41

ICE MAKER
MOTOR

The above ice maker circuit is applied to the GR-D267 and consists of the ice maker unit pert installed at the freezing
and the ice maker ddving part of the main PWB.

room

Water supply to the ice maker container is done by opening the valve for the established water supply time by operating the
container via a solenoid relay for the ice valve of the solenoid valve placed at the M/C room. If the water supply time is
elapsed, water supply is automatically
detection,

horizontal balancing

stop. This circuit is a circuit for implementing function such as ice removal, ice-full

end sense of ice-making

temperature sense is same as Jnthe temperature
Test switch input detection

of the ice-maker

temperature

for the ice*maker container.

Since ice-making

sense circuit part of the main PWB, refer to it.

is same as in the door switch input detection circuit of the main PWB.

1. This function is used in operation test, service execution and cleaning etc and performed if pressing the test switch
installed at the automatic ice-maker itself for more than 0.5 second.
2. The test switch operates in the horizontal

status and test function

control and water supply control is not performed

is not input in the water supply operation.

Ice removal

if full-ice is arrived during the operation of test function.

3. If pressing the test switch for 0.5 second or more in the horizontal

status, ice removal operation is immediately

performed

irrespective of the generation conditions of ice at the ice*making tray. Therefore, care is required since water may
overflow if operating test function in the water state that ice-making is not done. A cycle of water supply is performed in
the horizontal balancing
operation,

operation after ice removal operation. Therefore,

you can check any problem of ice removal

horizontal operation and water supply. In this case. if test function is normally performed,

rings and water supply control is performed. Thus, no ringing of"Ding~"

"Ding~" buzzer sound

buzzer sound means failure and repair check

must be performed.
4. If water supply is completed,

operation

in the normal cycle of "ice making -_ ice removal

* water supply".

- 25 -

, returning to hodzontst status

EXPLATION FOR MICOM CIRCUIT
1. Explanation for PWB circuit
1-1. Power

circuit

Power circuit consists of SMPS (SWITCHING

MODE POWER SUPPLY)

power. The SMPS consist of the rectifying part

(BDI, CE1) converting AC voltage to DC voltage, the switching part (IC2) switching the converted DC voltage, transformer
transferring energy of the primary side of the switching terminal to the secondary

side and the feedback part (IC3. IC4)

transferring it to the primary side.
Caution : Since high voltage (DC310V) is maintained

at the power terminal, please take a measure after more than 3

minutes have passed after removing power cords in the abnormal operation of a circuit.

Voltage of every part is as follows:

Voltage

230 Vac

310 Vdc

16 Vdc

CONf

- 34 -

12 Vdc

15.5 Vdc

5 Vdc

EXPLATION FOR MICOM CIRCUIT
1-2. Oscillation

circuit

Oscillation circuit is a circuit with the purpose of generating basic time for clock occurrence

for synchronization

and time

calculation in relation with information transmission/reception
of inside elements of IC1 (MICOM). The OSCl must always
use rated parts since if SPEC is changed, time calculated at the IC1 may be changed or no operation is done.

ICl
(MICOM)

CS7S4

00MGO_

xeur

1-3. Reset

circuit

The reset circuit is circuit allowing various parts such as RAM inside of MICOM (ICl) to initialize and the whole of function to
start from the initial status, when initial power is input or when power is applied again to MICOM by a spontaneous
failure. 'LOW' voltage is applied to the reset terminal of MICOM in the beginning
Reset terminal during general operation

is 5V (No MICOM operates in failure of RESET IC).

IC1
(MICOM)
1

IC9

_ #

- 35 -

power

of power supply for a constant time (t Ores).

EXPLATION FOR MICOM CIRCUIT
1-4. Load/dispenser

operation, door opening circuit

1. Load driving circuit
In even if opening the door of freezing room or cold storage room during operation of fan motor at the freezing room, this
circuit does not stop and operates at the standard RPM. In addition, if doors of freezing room or cold storage room, the
fan motor normally operates at the RPM previously operated.
(A). (B), (C) and (D) of door switch for the freezing room or cold storage room are connected to the door open sensing
circuit in parallel toward both ends of switch to determine door open at MICOM.
_€Since a door switch of the home bar is connected to door switch (C), (D) of the cold storage room, it senses door opening
if even one of both is opened.
The fan motor is immediately stop if opening doors of the freezing room or cold storage room at the TEST mode and it
immediately operates if closing them.

COMP

Type of Load

vleasudng part (IC6)

No.16

Frost

Removal

Converting

Heater

Relay

No.15

No.14

AC
Motor
Damper

Damper
Heater
Control Box
Heater

Pipe Heater

No.14 (IC7)

No.15 (IC7)

No.ll

R-room
LAMP

No.13
Within 1 V

Status

OFF

12V

ICI
(MICOM)

F-LAkIP

FUSE- M_oNC_

IIS

=73

_Tt
i_11)

L._

)

'_'112)

CON4

DAMP_

MO1"OR

PeTZ

_g_2
DIS
_-_'1 _ _-I1

ZDCR $/V

_Tl_t

P6_

R-DDQR

P03

CON5
DIB

- 36 -

(IC7)

EXPLATION FOR MICOM CIRCUIT
3. PWB parts diagram and list
3-1, PWB Ass'y, main part diagram

- 47 -

EXPLATION FOR MICOM CIRCUIT
3-2. Parts list

NO.
1

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_ocuF/25v

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C_2
CE6,7

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CMI

6O
15

IZZJB2Ot__ _COU OtP B4pagCa41N

r0S_9_

KIA7BOOSAP

K+E.C

explanation.
Check AC damper baffle

Remove foreign

damper baffles

Foreign materials

in AC

visually.

materials,

Ice formation on AC

Check if AC damper Heater

Replace AC damper

damper baffles

wire is cut with a tester.

or refrigerator

(/)

f
(D

contr(

Box Assy.
Defective refrigerator

Defective refrigerator

Check the resistance of

Replace refrigerator

Refer to sensor

sensor

sensor parts.

refrigerator

sensor.

resistance

sensor with a tester.

characteristic
table in circuit
explanation.
Refrigerator
substituted

sensor is
for other

Check the sensor color in the

Repair main PCB

circuit. (main PCB sensor

sensor housing.

sensor,

housing.)

Defective refrigerator

Check if refrigerator sensor

Fix again the

sensor assembly

is not fixed at cover sensor but

refrigerator

condition.

Inner case visually,

sensor.

Problems
Bad defrost.

Symptom
Defrost is not

Causes

Checks

Defrost lead wire is cut.

working,
Defective defrost driving relay.

Defective defrost sensor parts.

Measures

Check if defrost lead wire is cut with a

Reconnect Lead

tester.

Wire.

Check the voltage of CON5 (1 and 7)

Replace

with a tester after pressing main

and RY 14) or PCB.

relay (RY 7

Remarks

Refer to load
ddving conditions

PCB test switch twice,

check in circuit

If the voltage is normal then it is OK,

explanation.

Check the resistance

of defrost sensor

with a tester,

Replace defrost

Refer to sensor

sensor,

resistance
charactedstic
table of circuit
explanation.

Defective

Buzzer

Defective connecting

buzzer

continuously

main

dngs or door

Defective door switch parts.

lead wire from

PCB to door switch,

Check lead wire related to door

Repair lead wire.

switch with a tester.
Refer to door switch in parts repair

opening alarm

Replace door switch.

guide.

does not work.
Defective

Buzzer does

Key input wire is cut or bad connector

display button

not ring and

terminal contact in main PCB and

wire and replace or

circuit in circuit

key does not

display PCB connecting

directly connect bad

explanation.

Check input wire with a tester.

lead wire,

Reconnect

lead

sense even

contact terminal to

button is

lead wire,

)ressed.
Key is continuously

depressed

structural interference,

due to

Disassemble
visually.

frame display and confirm

Adjust or replace
interfering
structures.

Refer to display

I-"
m

Problems

Symptom

Causes

Checks

Trouble mode indication,

Measures

Check trouble diagnosis function.

Repair troubles

Remarks

Defective

Buzzer rings

display button,

but key does

Refer to mode
indication in

not sense even

function

button is

explanations,

pressed.

ITI

Bad watedice

Buzzer

Defective connecting

dispenser,

continuously

main PCB to door switch.

switch.

rings or door

Defective

Refer to door switch in parts repair

Replace Freezer

opening alarm

switch parts.

guide.

compartment

lead wire from

freezer compartment door

Check lead wire associated

with door

ice and water

Defective connectinglead wire from

Check Lead Wire associated with lever

are not

Main PCB to lever switch.

switch with a tester.

dispensed.

Defectivelever switchparts

Refer to door switch in parts repair guide

Detective photocoupler [C parts.

Check voltage change at photo coupler

Replace photo

output terminals with lever switch

coupler

Repair lead wire.

Replace lever switch

IC or PCB.

pressed. It is OK if voltage change is

Defective

relay associated with ice

dispense (geared motor, cube and

0V - 5V.

Check relay (RYg, RY11, RYt2)

Replace defective

with a tester.

relay,

Check resistance of parts with a tester.

Replace defective

dispenser solenoid).
Defective parts associated

with ice

dispense (geared motor, cube and
dispenser

)arts.

solenoid).

Defective relay associated with water

Check relay(RY10) with a tester

dispense.
Defective
dispenser.

Replace defective
relay.

parts associated

with water

Check resistance of partswith a tester.

Replace defective
)arts.

door

switch.

between

Check model
with dispenser,

does not work.

Repair lead wire.

TROUBLE DIAGNOSIS
4. HOW TO DEAL WITH CLAIMS
4-1. Sound
Problems
"Whizz" sounds

Checks

and Measures

• Explain general principles of sounds.
• A/I refrigerator when functioning prepedy have normal operating sound. The
compressor and fan produce sounds.
There is a fan in the freezer compartment which blows coo] air to freezer and
refrigerator compartments. "Whizz" sounds are heard when the air passes
through the narrow holes into the freezer and refrigerator compartments.
• Cooling Fan sound in the compressor

compartment.

• There is a fan on the back of the refrigerator, which cools the compressor
compartment. If there is a small space between the refrigerator and the wall, the
air circulation sounds may be noticeable.
• Noise of Compressor.
• This operating sound happens when the compressor compresses

the

refrigerate. The compressor rotates at 3600RPM. The sound of compressor
operation becomes louder as the refrigerator capacity increases.

"Click" sounds

• Explain the principles of temperature change.
• The sounds happens when pipes and internal evaporator in the refrigerator
compartment expand and contract as the temperature changes during the
refrigerator

operation. This sound also happens during defrosting, twice a day,

when the ice on the evaporator

"Clunk" sound

melts.

• Explain that it comes from the compressor

when the refrigerator

starts,

• When the refrigerator operates, the piston and motor in the compressor rotate
at 3600RPM. This sound is caused by the vibration of motor and piston when
they start and finish their operation. This phenomena can be compared with tha
of cars. When the car engine ignites and starts to rotate, the loud sound
becomes gradually quiet. When the engine stops, it stops with vibration.

Vibration

sound

• Check the sound whether

it comes from the pipes vibration and friction.

• Insert rubber or leave a space between pipes to avoid the noise.
• Fix the fan blade if the noise is due to the collision of fan and shroud.
• Fix the drip tray if it is loosened.
• Sound depends

on the installation

location.

• Sound becomes louder if the refdgerator is installed on a wooden floor or near
wooden wall. Move it to the another location,
• If the refrigerator

is not leveled properly, a small vibration can make a loud

sound. Please adjust the level of the refdgerston

- 89 -

TROUBLE DIAGNOSIS
Problems

Sounds of water flowing

Checks

and Measures

• Explain the flow of refrigerant.
• When the refrigerator stops, the water flowing sound happens.
This sound happens when the liquid or vapor refrigerant
evaporator to compressor.

"Click"sounds

• Explain the characteriistics

flows from the

of moving pads.

• This noise comes from the MICOM controller's sw_tch on the top of the
refrigerator when it is turned on and Off.

Noise of ice maker operation
(applicable to model with ice maker
- Noise produced by ice dropping
and hitting ice bank,
- Noise from motor sounds "Whizz".

• Explain the procedure and principles of ice maker operation.
• Automatic ice maker repeats the cycle of water supplying _-_icemaking -, ice
ejection. When water is supplied, the water supply valve in the machine room
makes sounds like "Whizz" and water flowing also makes sound. When water
freezes to ice, freezing sounds such as "click, click" are heard.

When ice is

being ejected, sounds like "Whizz" produced by a motor to rotate an ice tray
and ice dropping and hitting ice bank sounds are also heard.

Noise when

supplying water.

• Explain the principles

of water supplied

to dispenser.

• When the water supply button in the dispenser is pressed, the water supply
valve in the compressor compartment opens and let the water flow to the water
tank in the lower part of the refrigerator

compartment. The water is dispensed

by this pressure. When this happens, motor sound end water flowing sound are
heard.

Noise wben supplying ice.

• Explain the principles of ice supply and procedure

of crushed ice making in a

dispenser.
• When ice cube button is pressed, ice stored in the ice bank is moved by a Helix
Pusher and dispensed. If crushed ice button is pressed, the cube ice is
crushed.
heard,

When this happens, ice crushing and hitting ice bank sounds are

- 90 -

TROUBLE DIAGNOSIS
4-2, Measures for Symptoms

on Temperature

Problems

Refrigeration is weak.

Checks and Measures

• Check temperature

set in the temperature

control knob.

• Refrigerator is generally delivered with the button set at "normal use" (MID).
But customer can adjust the temperature set depending on their habit and taste.
If you feel the refrigeration

is weak, then set the temperature control button at

=strong" position. If you adjust the button in the freezer compartment
the refrigeration is stronger than adjusting refrigerator

The food in the chilled drawer is.
not frozen but defrosted

as well,

only.

• The chilled drawer does not freeze food,
• Use chilled drawer for storing fresh meat or fish for short periods,
a long periods or freezing

food, use a freezer compartment.

For storing for

It is normal that

fl'ozen foods thaw above the freezing temperature (in the chilled drawer).

Refrigerator

wa[er is not cool.

• Check the water storage location.
• If water is kept in the door rack, please ask to keep it in the refrigerator
compartment shelf, It will then become cooler.

Ice cream softens.

• Explain the characteristics

of ice cream.

• The freezing point of ice cream is below -15°C. Therefore ice cream may melt if
it is stored in the door rack.
• Store ice cream in a cold place or set the temperature

control button of a freezer

at "strong" position.

Refrigeration is too strong.

• Check the position of temperature control button.
• Check if refrigeration is strong in whole area of the refrigerator or partly near the
outlet of the cooling air. If it is strong in whole area, set the control button at
"weak". If it is strong only near the outlet of cool air, keep food (particularly wet
and easy to frozen such as bean curd and vegetables) away from the outlet.

Vegetables are frozen.

• Check the vegetables storage.
• If vegetables are stored in the refrigerator

shelf or chilled drawer instead of

vegetable drawer, they will be frozen. Set the control button at =weak" if they are
also frozen in the vegetable drawer.

The food stored at inside of
the shelf freezes even the
control button is set at "MID".

• Check if food is stored near the outlet of the cooling air.
• The temperature at cooling air outlet is always below the freezing point.
Do not store food near the outlet of the cooling air as it block the air circulation,
And do not block the outlet. If the outlet of the cooling air is blocked, the
refrigerator compartment will not be cooled.

-91 -

TROUBLE DIAGNOSIS
4-3. Odor and Frost
Problems

Odor in the refrigerator compartment.

Checks and Measures

• Explain the basic principles

of food odor.

• Each food has its own peculiar odor. Therefore it is impossible to prevent or
avoid food odor completely when food is stored in the completely sealed
refrigerator compartment, Deodorizer can absorb some portions of the odor but
not completely. The intensity of odor depends on refrigerator conditions and
environments.

• Check the temperature

control button and set at "strong".

• Clean inside of the refrigerator with detergent and remove moisture. Dry inside
the refrigerator by opening the door for about 3 or 4 hours and then set the
temperature

Frost in the freezer compartment

control button at "strong'.

• Explain the basic principles of frost formation.
• The main causes for fmstthg:
- Door was left open.
- Air penetration through the gasket
- Too frequent door opening. (parties. etc.)
- Hot foods are stored before they are cooled down. Tee temperature of freezer
is -19°C. if temperature is set at =MID". If hot air comes into the refrigerator,
fine frost forms as cold air mixes with hot air. If this happens quite often, much
frost forms inside of the mfrigerater.
form inside of the refrigerator.

Frost in ice hay.

• Explain basic principles

If the door is left open in Summer, ice ma

of frost formation.

• When ice tray with full of water is put into a freezer compartment, the water
evaporates.

If cool air fan operates, the moisture attached to the jaw (protruded

part) of ice mold shall freeze and form frost. If warm water was put into the ice
mold, the situation will become worse.

- 92 -

TROUBLE DIAGNOSIS
4-4. Others
Problems

The refrigerator

case is hot.

Checks and Measures

• Explaln the principles of radiator.
• The radiator pipes are installed in the refrigerator

case and partition plate

between the refrigerator and the freezer compartment in order to prevent
condensation formation. Particularly in summer or after installation of
refrigerator, it may feel hot but it is normal
If there is no enough space to
dissipate heat, it can be hotter due to lack of heat radiation. Please install a
refrigerator
and wall:

Small holes in a door liner

in a well-ventilated

place and leave a clearance

• Explain that the hole is for releasing gas.
• A small hole in the door liner is for releasing gas during
lining work.

Electric bills are too much.

between refdgeretol

insulation materials

With a releasing hole, forming can be easily done.

• Check the use conditions.
• Too frequent door opening and hot food storing cause the compressor
operate continuously

Condensation

on the inside

wail of the refrigerator

and hence increase the electdc consumption

and bills.

• Explain how to store foods
• Condensation

forms when refrigerator Ls installed at damp area, door is

compartment and the cover of

frequently

opened, and wet foods are not stored in the air tight container or

properly vegetable

wrapped.

Be sure to store wet foods in the air tight container

drawer,

When is the power connected?

• When should the power be connected

or in the wrap.

• You can connect the power right after the installation. But if the refrigerator
laid flat during transportation

Door does not open propedy.

was

for a long pedod of time and the refdgerent and

compressor

oils are mixed up, then this will affect badly the performance of a

refrigerator.
installed.

Be sure to connect the power 2-3 hours after refrigerator

• Refrigerator compartment

door does not open preperly.

• When the door is open, warm open air comes into the compartment and is
mixed up with cool air. This mixed air shall be compressed and increase the
internal pressure when door is closed. This causes the door sticked closely to
the refrigerator in a moment. (if the refdgeretor is used for a long time, it will
then open smoothly.)
• When the refdgerator
compartment

compartment

door is open and dose. the freezer

door moves up and down.

• When the refrigerator

compartment door is open and close, fresh air comes into

the freezer compartment
door.

and moves up and down the freezer compartment

• Door opens too easily.
• There is a magnet in the gasket rubber so that it is ok. if door is securely closed
without a gap. It can be open easily if the foods lo the refrigerater or freezer
compartments hold the door open.
• A door does not close properly.
• If the rear side of the refrigerator

is raised higher than front side, door shall not

be easily closed. Adjust the level of refrigerator

-93-

with levelling screws.

DIGITAL PARTS MANUAL
4, W-TUNER
4-1. Function
After receiving and handling the video and audio signals through cables, it transmits the signals to the video input section of
the main controller.
4-2. Outline
4-2.1.

Outline

Diagram

and 1/O Structure

Diagram

F',_,t
_888B_
bBf

<"Section A" outline diagram based on T_/system>
C_n
TMsystem

A
NT S C

B
PAL-I

F0_tQ

3.55 __.
VIEW-A

VIEW-B

- 110 -

_ "

DIGITAL PARTS MANUAL
4-2-2.

I/O Structure

CONNECTOR

PIN NO.

I/O

SYMBOL

DESC_P_ON

GND

Output

AUDIO-L

AUDIO LEFT OUTPUT

Output

AUDIO-R

AUDIO RIGHT OUTPUT

GND

Input

SDA

12C-BUS Serial Data

Input

SCL

12C Serial Clock

Input

GND

Input

GPIO13

General

General Purpose I/O 12

GND

Input

GPIO12

Input

GND

Input

+12V

DC+12V

Input

-5V

DC-5V

Input

GPIO15

General Purpose I/O 15

Input

GPIO14

General Purpose I/O 14

1,2

Output

TV OUT

TV VIDEO Signal Output

4-3. SPEC of parts
1. Operating

Purpose I/O 13

Environment

- Operating

temperature: -10°C - 60°C

- Operating

humidity: 0 - 95% (under 35°C condition)

2, Storage Environment
- Storage temperature: -25°C ~ 85°C
- Storage humidity: 95% (under35°C condition)

-111 -

DIGITAL PARTS MANUAL
5. POWER

SUPPLY

5-1, Function
It is the power supplyingsectionfor driving the main controller and hard disk.

5-2. Outline Diagram and 1/O Structure
5-2-1. Outline Diagram

P_WER

i _o#_Io_we

., ®

........
A

__,_

-112-

_-_

DIGITAL PARTS MANUAL
5-2-2. I/O Structure

5 BK

14 BK
!_ BK
16 PR

BK 2
BK 5
_
4

1C YL
9 PR

RD 2C
RD 19

1/
18
19
2C
21
21
2._
2z

BO
BO
RD
RD
RD
GY
YL
SB

8
7
6
5
4
5
2
1

WIll8
BK 16
BK 15
BK 15
SB 14
BK 15
_12
BO 11

BK
BO
BK
RD
RD
BK
YL
WH

5
6
7
8
9
10
11
12

VIEW-A

(1)"Section

GY
BK
RD
BK
RD
BK
BO
BO

VIEW-B

D" Input voltage SPEC

(2) VIEW-B Output Voltage SPEC

PINNO

INPUT

90-264

NEUTRAL

INPUT

90~264

GND

INRJT
VOLTAGE
RAk_E

REMARK

2
3
4
5

F.G

PINNO

TYPE

Output

N.C

Output

LIVE

: DIOS70B-ABD

Input voltage range : 1.5Kv/lmin,
Insulated resistance

1 .SKy/see

: over 10 Mohm

I/O

6
:1:MAKER

BK : BLACK
BN : BROWN
RD : RED
BO : BRIGHT ORANGE
BL : BLUE
GY : GREY
GN : GREEN
YL : YELLOW
WH : WHITE
PR : PURPLE
SB : SKY BLUE
PK : PINK
RD/WH : RED/WHITE
BL/WH : BLUE/WHITE
GN/YL
: GREEN/YELLOW

VOLTAGE OUTPUTVOLTAGERANGE
COLOR
3.3

3.0 ~ 3.6

ORANGE

3.3

3.0 ~ 3.6

ORANGE

GND
Output

BLACK
4.85 ~ 5.15

GND
Output

7
8

REMARK

RED
BLACK

4,85 - 5.15

RED

GND

BLACK

GND

GRAY

P0_R-G00D
STANDBY

Output

4.85 ~ 5.15

PURPLE

Output

10.8 ~ 13.2

YELLOW

Output

3.3

3.0 - 3.6

ORANGE

12
13

GND

BLACK

GND

BLACK

GND

BLACK

GND

BLACK

-5V

4.75 ~ -5.25

WHITE

SKY-BLUE POV_R_VON

Output

4.85- 5.15

RED

Output

4.85 ~ 5.15

RED

-113-

DIGITAL PARTS MANUAL
6. LCD MONITOR
6-1. Function
After receiving the LCD video output from the main controller, outputs it on the LCD monitor
6-2.

Outline

Diagram

/
\

_.m

• • • • • * oQ QP6DbI****

o
h_-

?
I
I

6-3.

SPEC

of parts

1. MAKER: LG PHILIPS
2. MAKER TYPE: LM 151X3(B3AP)
3, 15.1 _ XGA TFT LCD SPEC
- Pixel Pitch: 0.300mm X 0.300mm
- Color Depth: 8-bit, 16,777,216 colors
- Luminance, White: 260cd/m2
- Power Consumption: 2.1W Logic / 9.7W CCFL
Display Operating Mode: TMDS
4. Operating Environment
- Operating temperature: 0°C ~ 50°C
- Operating humidity: 5% ~ 90% (under 40°C condition)
- Storage Environment
- Storage temperature: -20°C ~ 60°C

-114-

r2!

DIGITAL PARTS MANUAL
7. LCD INVERTER
7-1. Function
Supplies the driving power for backlight inside the LCD.

7-2. Outline Diagram and l/O Structure
7-2-t. Outline Diagram
LABEL

153.0

//_

142.o
q

Ii_'_JLA_DR

//-w

/.,

/0/

YEON HO #20015VRIO2A

=
_-_

\
21¢4,5

<..

_oo ooQ •

•

7-2-2. IIOStructure
CONNECTOR PINNO.

CN1

I/O

SYMBOL

DESCRIPTION

INPUT

CTRL

Dim. Adjust

GND

INPUT

ON/OFF

GND

INPUT

Vin

DC 12V±lV
DC 12V±IV

Power System Return (5V:ON, 0V:OFF)

INPUT

Vin

CN2

OUTPUT

Lamp H1

High Voltage connection to high aide of lamp.

CN3

OUTPUT

Lamp L1

Low Voltage connection to low side of lamp.

- 115 -

DIGITAL PARTS MANUAL
7-3. SPEC

of parts

1. Maker: LG Electronics
2. Inverter Type: NMC1507-02
3. Maker Type: 6632Z-1507B
4. Inverter SPEC
- Input Supply Voltage: DC 11~13V
- Input Current: 1.1A
- Input Power: 13.2W
- Output Voltage: 616Vrrns
- Output Current: 9.0mArrns
- Output Power: 12W (2 lamps total)
- Input Signal Voltage: -0.3V ~ 6,0V
5. Operating Environment
- Operating

temperature: 0°C - 60°C

- Operating

humidity: 10% ~ 85%

6. Storage Environment
- Storage temperature: -30°C - 80°C

-116-

DIGITAL PARTS MANUAL
8. TOUCH

SCREEN

8-1, Function
Transmits the dimensions

from the contact to the touch screen to the touch screen controller.

8-2, Outline Diagram
556
5.2
310

450±13

ACTF\'E

AHP

#48741D-_
31GNAL

Y
S
×
H

VIEW-C

8-3. SPEC of parts
1, Touch

Panel

SPEC

(15.1")

- Analog Resistive (5-line resistance film type)
- Operating Voltage: DC 5V
- Resolution: 4,096 X 4,096 line
- Activation

Force: 57 ~ 113g

- Surface Hardness: 3H
2. Operating

Environment

- Operating

Temperature: -10"C - 50°C

- Operating

humidity; 0% ~ 90% (under 35°C condition)

3. Storage Environment
- Storage Temperature:_10°C~ 71°C
- Storage Humidity:240 hoursin 90% (under 35°C condition)

-117-

DIGITAL PARTS MANUAL
9. TOUCH

CONTROLLER

9-1. Function
After receiving and handling the touchdimensiOnsfrom the touch screen, transmits to the main controller

9-2, Outline Diagram and I/O Structure
9-2-1. Outline Diagram
4--¢4

53
46
FACTDRYJUMPERSETTING
IN- J7,BUT- JO~J6,JS~Jtt

FIN RERO_B

PHILIPS
P3

2,5rimPi±ch Angle ±ype
Doub[eLinePinHe_derConn,

VIEW-A

MOLEX

9-2-2.

\ MOLEX #6373-2

I/O Structure

CONNECTOR PiNNO.

I/O

SYMBOL

DESCRIPTION

INPUT

DCD

Data Carder Detect

INPUT

DSR

Data Sct Ready

INPUT

RxD

Receive Data

INPUT

RTS

Ready To Send

INPUT

TxD

Transmit Data

INPUT

CTS

Clear To Send

INPUT

DTR

Data Terminal Ready

N/C

GND

Ground

10
P4

PIN REMOVED

INPUT

+5V

DC +5V

GND

Ground

-118-

DIGITAL PARTS MANUAL
9-3. Connecting

Method

of Connector

upon Replacement

00[:300
,_

VIEW-A

of parts

1. Operating

Voltage: DC +5V + 10%

2. Operating

Current: 160mA (Peak 240mA)

(/_

O r]

00000

9-4. SPEC

-119-

DIGITAL PARTS MANUAL
10. CCD (CHARGE
10-1.

COUPLED

DEVICE)

CAMERA

Function

Changes the external video signal received through the lens into an electric signal and transmits to main controller

10-2. Outline Diagram and 1/O Structure
10-2-1. Outline Diagram
32.6
28.1

3.51

125

5.2

138

CNI

JSf

NFH_SB

SRS_-TB

IZ ]qC

_1 _

o_r_

[Zig

_LJ

O= D

10-2-2. I/O Structure
CONNECTOR PINNO.
1

CN 1

I/O

SYMBOL

INPUT

+12V

DC +12V

1. CCD Camera

GND

OUTPUT

VIDEO

CAMERA VIDEO OUT

GND

CAMERA VIDEO GND

OUTPUT

MIRROR

Module

Voltage:

SPEC

DC 12 ± lV

- Current Consumption:

Max. 100mA + 10%

- image Sensor: 1/4 inch 270,000
- Effective Pixel: 512(H) X 492(V)
- Signal System: NTSC
Frequency:

- Vertical Frequency:

15.734kHz

59.94kHz

- SIN Ratio: 48dB rain.
- Video Output: Analog Composite

2. Operating

DESCRIPTION

10-3. SPEC of parts

- Horizontal

io L_

cz=sC
ON2

\ 4-_2.2

- Operating

o LdS_

Environment

- Operating temperature:

- 120 -

CAMERA MIRROR

DIGITAL PARTS MANUAL
13. SPEAKER
13-1.

Function

Transfers and outputs the electric signal amplified by the AMP in the sub controller
13-2.

Outline

Diagram

and lifo

into hearable sounds.

Structure.

42.5
41.5

4-04.4

HOLE

4 ±o5

oc
t_,

AMP#110PLUG

13-3.

SPEC

AMP#205PLUG

parts

- Power Rating: RMS 3W / Peak 5W
- Size: 110 X 42.5mm
- Total weight: 151g
- Impedence:

4ohm ± 0.6ohm

- Resonance

Frequency:

180Hz -+36Hz

- SPL: 84dB/W ± 2dB
- Response:

F0 ~ 20kHz

- Distortion:

5% Max.

- 122 -

±t5

EXPLODED VIEW
FREEZER

DOOR

PART

* 138 -

EXPLODED VIEW
REFRIGERATOR

DOOR

PART

- 139-

EXPLODED VIEW
FREEZER COMPARTMENT

•

1
I
I

i
I

- 140 -

EXPLODED VIEW
REFRIGERATOR COMPARTMENT

- 141 -

EXPLODED VIEW
DISPENSER PART

- 142 -

EXPLODED VIEW
ICE & WATER PART

- 143 *

EXPLODED VIEW
MACHINE COMPARTMENT

- 144 -

EXPLODED VIEW
SPEAKER & MONITOR PART

- 145 -

DIGITAL PART COMPONENTS

®®

\
- 146 -

00000

- 147-

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File Type Extension             : pdf
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PDF Version                     : 1.2
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Page Count                      : 77
Page Layout                     : SinglePage
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Create Date                     : Tue Apr 03 02:45:58 2007
Author                          : 
Title                           : 
Subject                         :

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LG LRSPC2661T User Manual REFRIGERATOR Manuals And Guides L0301008

LG Side by Side Refrigerator Manual L0301008 LG Side by Side Refrigerator Owner's Manual, LG Side by Side Refrigerator installation guides

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