LG GR-642BEPF Service Manual ▷ View online
2. DISPENSER MODEL
- 38 -
NO
DWG.NO
DESCRIPTION
SPEC'
QTY.
MAKER
REMARK
1
6870JB2014
PWB. MAIN
FR-1(DS-1107A)
1D
DOO SAN
t=1.6
2
6170JB2002
TRANS PCB
I:240V, O:17V
K.T.C
TRANS
J501-00022
I:240V, O:19V,(15V)
1F
TAE SUNG
3
6630JB8001A
WAFER
JE202-1T-02(3P-2)
1
JAE EUN
CON1
4
6630JB8001B
JE202-1T-03(5P-2, 4)
1
CON2
5
6630JB8001D
JE202-1T-05(9P-2, 4, 6, 8)
1
CON3
6
6630JB8002L
35312-1210
1
MOLEX
CON4
7
6630JB8002M
35312-1310
1
CON5
6630JB8002C
35312-0410
1
CON6
8
0IT0878460J
MICOM CHIP
TMP87C846N
1
TOSHIBA
IC1(=K)
9
0INE781200B
REGULATOR
(1)uPC7812AHF
1
NEC
IC2
10
0INE781200B
(1)uPC7812AHF
1
NEC
IC4
11
0INE780500E
(1)uPC7805AHF
1
NEC
IC3
12
0IT0627830A
DRIVE IC
TD62783AP
1
TOSHIBA
IC8
13
0IT0721000A
PHOTO TR
TLP721P
1
TOSHIBA
IC6
0ISH512000A
PC512
SHARP
14
0IKE650030B
DRIVE IC
KID65003AP
2
K.E.C
IC5,IC9
15
0IKE704500A
RESET IC
KIA7045P
1
K.E.C
IC7
16
J510-00018A
RELAY
G2R-1A
1
OMRON
RY1
6920JB2002A
VS-12MB
TAKAMISAWA
17
J510-00007A
G5B-1
4
OMRON
RY2, 3, 4, 5
6920JB2003A
G5N-1
OMRON
18
J570-00012A
RESONATOR
CST4.00MGW
1
MURATA
OSC1
J570-00012B
CST4.00MGW-TF01
(=6212AQ9002B)
19
J572-00001C
VARISTOR
(1)INR14D471
1
IL JIN
VA1
(2)SVC471D-14A
SAMHWA
20
J572-00001D
(2)INR14D271
IL JIN
(2)SVC271D-14A
SAMHWA
21
0DD400409AA RECTIFIER DIODE
1N4004
6
(1)
D1~5,10
8
(2)DELTA
D6~9, 18~21
22
0DD400709AA
1N4007
2
D16, 17
23
0DD414809AA SWITCHING DIODE
1N41485
5
(1)
D11~15
(2)ROHM
24
0CE2286J618
ELE’ CAPACITOR
2200uF/35V
1
(1)SAM HWA
CE1
25
0CE1081J618
1000uF/35V
1
(2)SAM YOUNG
CE6
26
0CE1081H618
1000uF/25V
1
CE2
27
0CE4771H618
470uF/25V
1
CE3
28
1
CE7
29
0CE2271F638
220uF/16V
2
CE4, CE5
30
31
32
6908JB3001A PIEZO BUZZER GPB-B-26B3.1ES
1
BUZZER
33
0CQ2231N409 MYL’ CAPACITOR
223/100V
2
CM1, CM2
34
0CK1020H908 CER’ CAPACITOR
102/25V
1
TAE YANG
CC7
35
0CK2230H908
223/25V
12
CC1~6, 8~13
1
CC14
36
0RM1202N661
R, CEMENT
12K 5W
1
(1)CHO YANG
R49
37
0RD5602K641
R, METAL FILM OXIDE
56K 2W
1
(2)K-OHM
R8
38
0RD1200H609 R, CARBON FILM
120J 1/2W
1
(3)DONG HO
R18
39
0RD2700H609
270J 1/2W
1
(4)SUNG YO
R19
40
0RD2700H609
270J 1/2W
1
R20
41
0RD2700H609
270J 1/2W
1
R21
42
0RD3900H609
390J 1/2W
1
R22
43
0RD1300H609
130J 1/2W
1
R23
44
0RD3600H609
360J 1/2W
2
R37, 42
SE IL-
ELECTRONIC
ELECTRONIC
LG-
COMPONENT
COMPONENT
NO
DWG.NO
DESCRIPTION
SPEC'
QTY.
MAKER
REMARK
45
0PD1000G608 R, CARBON FILM
100J 1/4W
2
(1)CHO YANG
R7.26
46
0RD2000G608
200J 1/4W
2
(2)K-OHM
R36, 41
47
(3)DONG HO
48
(4)SUNG YO
49
0RD4700G608
470J 1/4W
1
R4
50
0RD1001G608
1KJ 1/4W
1
R5
51
0RD2001G608
2KJ 1/4W
8
R25, 27~33
52
3
R34, 39, 44
53
0RD2201G608
2.2KJ 1/4W
4
R15~17, 24
54
2
R38, 43
55
0RD2001G608
2KJ 1/4W
1
R45
56
0RD4701G608
4.7KJ 1/4W
3
R10, 46, 47
57
0RD1002G608
10KJ 1/4W
1
R3
58
4
R6, 11~13
59
2
R35, 40
60
0RD1004G608
1MJ 1/4W
1
R9
61
0RN1622G408 R, METAL FILM
16.2KF 1/4W
2
RF1, 3
62
0RN2612G408
26.1KF 1/4W
3
RF2, 4, 5
63
R, CARBON FILM FREEZE FOOM TEMPERATURE
10K
R2
COMPENSATION REGISTOR
(J-GRADE 1/4W)
64
REF ROOM TEMPERATURE
18K
R2
COMPENSATION REGISTOR
(J-GRADE 1/4W)
65
R1 SENSOR
8.2K
R14
/R2 SENSOR
(J-GRADE 1/4W)
66
0TR127309AD TRANSISTOR KTA1273(KTA966) Y
2
K.E.C
Q2, Q5
67
0TR320509AC
KTC3205(KTC2236) Y
2
Q3, Q6
68
0TR127009AE
KTA1270(KTA562)GR
2
Q1, Q4
69
20
J02~J20, J22
70
7
J21, J23~28
71
(J)R34, 39, 44
72
73
74
43607015
JUMP WIRE
0.6*10mm
75
76
77
0.6*12.5mm
78
1
J01
79
0.6*10mm
1
OP1
80
81
6877JB2022A L/WIRE ASSY, FM/H
1
82
4920JB3001A HEAT SINK(5V)
(=J572-00002A)
1
(IC3)
83
4920JB3002A
HEAT SINK(12V)
(=J572-00003A)
1
(IC4)
84
4920JB3003A
HEAT SINK(12V)
(=J572-00004A)
1
(IC2)
85
1SBF0302418
SCREW
H/SINK
3
86
49111001
SOLDER
ALMIT KR-19RMA
3.0g
87
49111004
SOLDER LEAD BAR
H63A
25g
88
59333105
FLUX AUTO
JS71
1.5g
KOKI
89
0LA0102K018A
INDUCTOR
10mH
1
L1
7-5-3 PWB ASS'Y, DISPLAY AND PARTS LIST
- 39 -
NO
DWG.NO
DESCRIPTION
SPEC'
QTY.
MAKER
REMARK
1
6870JB3002
PWB, DISPLAY FR-1(DS-1107A)
1A
DOO SAN
2
WAFER
5268-13A
1
MOLEX
CON101
3
TACT S/W
SHKV 10910
4
SW101~SW104
4
0DD400400AA
REC’ DIODE
1N4004
5
DELTA
D101~105
5
0DD414800EA
S/W DIODE
1N4148
4
ROHM
D106~D109
6
0RD1500G609
R, CARBON FILM
150J 1/4W
1
(1) CHO YANG
R101
7
0RD2700G609
R, CARBON FILM
270J 1/4W
1
(2) K-OHM
R102
8
(3) DONG-HO
(4) SUNG YO
9
6431JB1006
MODULE ASSY
1D SEOUL SEMICONDUCTOR
10
JUMP WIRE
0.6*10mm
4
J101~104
11
JUMP WIRE
0.6*12.5mm
12
49111001
SOLDER
ALMIT KR-19RMA
2g HUISEONG METAL
13
49111004
SOLDER LEAD BAR
S63S-B20
5g
DAE JIN SOLD
14
59333105
FLUX AUTO
JS71
0.5g
KOKI
15
1PA
KOKI, YUKONG
LG ELEC'-
COMPONENT
FRZ. TEMP
REF. TEMP
SUPER FREEZE
SUPER COOL
FOCUSED
COOLING
COLD
COLDEST
COLDEST
SW101
SW103
D106
D105
D103
D108
D109
SW102
SW104
D107
D101
D102
D104
CON101
1
13
R102
R101
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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