LG GR-642TVPF Service Manual ▷ View online
2-2 WATER DISPENSER(OPTIONAL)
●
Features
●
Putting The Water In The Water Tank
1. Turn the lock dial in the
direction of the arrow as
shown to remove it and
pour water into the
dispenser water tank.
shown to remove it and
pour water into the
dispenser water tank.
2. Close the cap by tilting it
and putting one side in first
and then the other side as
shown.
and then the other side as
shown.
3. Place the water tank in the
tank holder inside the
refrigerator. Make sure that
the groove on the connecting
part is in position with the
tab. Push the connecting part
into the hole until it "Clicks".
refrigerator. Make sure that
the groove on the connecting
part is in position with the
tab. Push the connecting part
into the hole until it "Clicks".
4. Fix the connecting part in
place by means of the
holder ring as shown.
holder ring as shown.
●
Drinking
1 Press the dispenser pad
with the glass.
2 The water is released when
the dispenser pad is
pressed. The pad returns
to its original position when
the glass is removed, and
the water stops its flow.
pressed. The pad returns
to its original position when
the glass is removed, and
the water stops its flow.
- 6 -
Tab
Groove
DISPENSER
GRILLE
DRIP TRAY
CONNECTING
PART
WATER TANK
LOCK DIAL
CAP
HANDLE
TAB
HOLE
HOLDER RING
BOTTLE
HOLDER
MOTOR
(INSIDE)
(INSIDE)
PAD
WATER TANK
CAUTION
1. Do not use anything other than water including soft
drinks, milk and juices.
2. Hot water needs to be cooled before being put in the
water tank.
3. Always use the holder ring to fix the water tank in place
to prevent the tank from moving or getting loose.
NOTE
1. The lamp is lit when the dispenser pad is pressed
and the water is released. This makes it possible to
see the water level in the dark.
see the water level in the dark.
2. The motor rotates in reverse for a few seconds after
the dispenser is released to dispose of any water
remaining in the tubes. (This may cause the sound
of water being sucked back inside)
remaining in the tubes. (This may cause the sound
of water being sucked back inside)
●
Cleaning
Grille and Drip Tray
1. Pull the drip tray out and
1. Pull the drip tray out and
remove with the grille.
2. Dispose of the water in the
kitchen sink, wash the drip
tray and the grille with a
mild detergent and rinse
thoroughly.
tray and the grille with a
mild detergent and rinse
thoroughly.
Water Tank
1. Remove the cap.
1. Remove the cap.
2. Clean the inside and outside of the water tank with
dishwashing detergent and rinset horoughly under
running water.
running water.
Other Parts
Remove the cap and, clean the cap and connecting part
with a mild detergent and rinse thoroughly.
Remove the cap and, clean the cap and connecting part
with a mild detergent and rinse thoroughly.
- 7 -
CAUTION
1. Use lukewarm water when cleaning.
2. Do not use anything other than water. If it is used with
2. Do not use anything other than water. If it is used with
soft drinks, put water in the water tank and discharge
three or four cups of water shortly.
three or four cups of water shortly.
7-6 PWB DIAGRAM
- 40 -
POWER
3
1
VA1
SVC471
D14A
CM1
223
D1~D4
1N4004*4
TRANS
D6~D9
1N4004*4
CE1
220µF
/35V
CM2
223
CC1
223
A
B
+
CE6
1000µF
/35V
+
CE7
470µF
/25V
+
CE2
1000µF
/25V
+
CC2
223
CE3
470µF
/25V
CE4
220µF
/16V
CE5
220µF
/16V
CC3
223
10mH
IN404
+
+
+
IC2
R3
10K
IC3
L1
42 VDD
Varef
Vss(Vass)
TEST
22
21
17
D5
7812
IC4
7812
7805
D13
IN4148
RY-4
G5N-1
RY-5
G5N-1
R49
R4
BUZZER
470
12K/5W
D14
IN4148
1K
R5
13
14
4
15
2
6
8
8
4
3
R7
100
CC4
223
R6
10K
3
D13
IN4148
RY-3
G5N-1
12
5
1
2
3
D11
IN4148
RY-2
G5N-1
11
6
4
D10
IN4004
RY-1
G2R-1A(10A)
10
7
9
IC5
KID65003AP
5
F.I.R LAMP
PTC START
DOOR S/W–R
LAMP–R
LAMP–F
D15
IN4148
COOLING-FAN
OLP
COMP
MODEL
OPTION
M
DOOR S/W-F
D17
IN4007
CON 3
D16
1
2
56K/2W
DAMPER
MOTOR
FUSE–M
CON 2
CON 1
PWB ASSY, MAIN(6871JB1012,19)
F–FAN
2400 rpm
2800 rpm
DEF–HEATER
R8
IC6
TLP621(BL)
IN4007
7
9
5
3
1
5
3
1
M
M
P70
P72
(PDO/PWM)
(PDO/PWM)
P77
P76
P75
P74
P73
RUNNING CAPACITOR
STARTING CAPACITOR
OSC1
CST4.OOMGW
R9
19
20
1M
XIN
XOUT
18
IC7
CC5
223
CC6
223
R10
4.7K
RESET
KIA7045P
29
23
P66
(AIN6)
(AIN6)
P60
(AIN0)
(AIN0)
R1
10K
R11
10K
10K
FREEZER ROOM
TEMPERATURE
COMPENSATION
TEMPERATURE
COMPENSATION
REFRIGERATOR ROOM
TEMPERATURE
COMPENSATION
TEMPERATURE
COMPENSATION
R1-SENSOR: R2-SENSOR GAP
R2
10K
R12
10K
10K
30
P67
(AIN7)
(AIN7)
R14
10K
10K
R13
10K
10K
TEMPERATURE COMPENSATION TABLE
TEMPERATURE
COMPENSATION
COMPENSATION
FREEZER ROOM
REFRIGERATOR
R1
180KJ
+5˚C
56KJ
+4˚C
33KJ
+3˚C
18KJ
+2˚C
12KJ
+1˚C
10KJ
0˚C
8.2KJ
-1˚C
5.6KJ
-2˚C
3.3KJ
-3˚C
2KJ
-4˚C
470J
-5˚C
R2
REMARK
STANDARD
COMPENSATE
WARMLY
COMPENSATE
COOLY
RESISTOR
VALUE
VALUE
- 41 -
T
OSHIBA
TMP87C846N(IC1)
PWB ASSY, DISPLAY(6871JB2015)
P05
P04
P06
10
12
11
CC14
223
2K
22K
R43
22K
R38
360(1/2W)
R42
(J)R44
(J)R39
(J)R34
A FORWARD
ROTATE
ROTATE
A REVERSE
ROTATE
ROTATE
A REVERSE
ROTATE
A FORWARD
ROTATE
PUMP
MOTOR
PUMP
S / W
200
Q4
KTA1270 GR
Q1
KTA1270 GR
Q2
KTA1273 Y
KTA1273 Y
Q3
KTC3205 Y
KTC3205 Y
Q6
KTC3205 Y
KTC3205 Y
Q5
KTA1273 Y
KTA1273 Y
D18
D19
D20
D21
R41
10K
2K
2K
R40
10K
R35
200
R36
360(1/2W)
R37
R45
2K
M
B
A
CON6
1
2
3
4
24
P61
(AIN1)
R27
RF1
16.2KF
F1–SENSOR
(FREEZER UPPER)
(FREEZER UPPER)
CON5
2K
CC8 223
25
P62
(AIN2)
R28
RF2
20.1KF
D–SENSOR
(DEF–SENSOR)
(DEF–SENSOR)
2K
CC9 223
26
P63
(AIN3)
R29
RF3
16.2KF
F2–SENSOR
(FREEZER LEFT)
(FREEZER LEFT)
2K
CC10 223
27
P64
(AIN4)
R30
RF4
26.1KF
R1–SENSOR
(REFRIGERATOR MIDDLE RIGHT)
(REFRIGERATOR MIDDLE RIGHT)
2K
CC11
223
28
P65
(AIN5)
R31
RF5
26.1KF
R2–SENSOR
(REFRIGERATOR BOTTOM LEFT)
(REFRIGERATOR BOTTOM LEFT)
2K
CC12 223
1
2
3
4
5
6
7
8
9
10
11
12
13
4.7K
TEST S/W
R46
R33
2K
REED S/W
(MOTOR DAMPER)
(MOTOR DAMPER)
CC13 223
R32
9
14
P02
P07
2K
4.7K
OP1
OPTION PIN
SIMPLE TEMPERATURE COMPENSATION
OF REFRIGERATOR ROOM
OF REFRIGERATOR ROOM
COMPENSATE A TEMPERATURE OF
REFRIGERATOR ROOM WITH -3˚C
REFRIGERATOR ROOM WITH -3˚C
NOT COMPENSATE
OP1
OPTION PIN
MODEL
OPTION
R47
15
P01
16
P00
CON4
CON101
IC8
TD62783AP
(UDN2981A)
IC9–1
ND65003AP
9
5
31
14
4
32
15
3
33
16
2
34
17
1
35
18
7
36
10
R18
(1/2W)
R19
(1/2W)
R20
(1/2W)
R21
(1/2W)
R22
(1/2W)
R23
(1/2W)
R26
100
R25
2K
16
R17
2.2K
13
R24
2.2K
IC9–2
CC7
102
FRZ.
TEMP
REF.
TEMP
SUPER
FREZE
R102
120
SUPER
COOL
LED
MODULE
D106
SW101
SW102
D107
SW103
D108
SW104
D109
IN4148*4
6
37
11
5
38
12
4
39
13
3
40
14
2
41
15
10
8
R16
2.2K
R15
2.2K
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
13
13
12
11
10
9
8
7
6
5
4
3
2
1
R101
56
IN4004*5
F1+R1
F2
F3
F4
F5
R4
R5
R3
R2
FR
QF2
QF1
QF4
QF5
GP
GP
GP
GP
QF
QR5
QR
QR4
QR2
QR1
FR2
FR1
FR3
FR4
GP
FR5
GP
GP
GP
GP
FR6 GP
FR7 GP
FR8 GP
QF3
QR3
GP
GP
D105
D104
D103
D102
D101
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P03
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