background image

4) Circuit and wiring diagram

43

18

17

16

15

14

13

12

11

10

01 02 03 04 05 06 07 08 GND

11 12 13 14 15 16 17 18   VCC

1 2 3 4 5 6 7 8 9

16 15 14 13 12 11 10 9

COM 04 14

HEAT SINK

& GND

HEAT SINK

& GND

13 03 COM

1 2 3 4 5 6 7 8

VCC 01 11 12 02 VCC

16 15 14 13 12 11 10 9

01 02 03 04 05 06 07 COM

11 12 13 14 15 16 17 GND

1 2 3 4 5 6 7 8

7805

7806

7812

R05

R07

R06

R01

R04

R02

R03

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

IC04

IC05

1 2 3 4 5 6 7

C02

0.1 

µ

F

C01

IC01

TD62308BP

IC02

TD62308BP

D01 D04 D02 D03

X4

X6

X7  

X5

X2

X1

X0

X3

SW1  SW4   SW2   SW3

Set F

R Fuzzy

TC4051BA

R11

R10

R09

7805

6

3

14

11

9

16

 1

8

7

2

15

10

4

5

12

13

14

3

6

11

9

16

1

8

15

2

7

10

4

5

12

13

a1 

b1

c1

d1

e1

f1

g1

a2 

b2

c2

d2

e2

f2

g2

a3

b3

c3

d3

e3

f3

g3

F E.F

R Cold

R

F Cold

E.R

Fuzzy

Q.R

F Warm

R Mid 

R Q.F

F Mid

R Warm

  :

Q.F

BAR

BAR

BAR BAR

BAR

BAR Warm

BAR

Mid
BAR

R Mid

R Warm

F Q.F

F

R

R

  :

8

9

10

11

12

13

14

Surround

R

E.R

F
E.F
BAR

R
E.R
BAR

R
E.R

Deodorant

F

Cold

COMP

D-HTR

C-FAN

F-FAN

R-FAN

5V

CN01 CN08

IC03

3

4

5

6

2

1

7

8

9

10

11

12

13

R01

R02

R03

R05

CC12

W-

BR

WB

BR

W

W-R

GR

G

V

B

Y

O

R

BK

R06

R07

R08

R09

R10

R11

R12

R13

9

10

11

12

13

14

15

16

17

 

40

41

18

19

20

21

4

3

2

1

DATA

DATA

DATA

DATA

DATA

DATA

DATA

DATA

10

17

16

15

14

13

12

11

18

9

2

3

4

5

6

7

8

1

SCAN A

SCAN B

SCAN C

KEY INPUT

5

6

7

8

R04

VDD

F-S

D-S

R1-S

R2-S

RT-S

A/D 2

A/D 1

A/D 0

 VAREF

FREQ

CHECK

BUZZER

COMP

HTR

C-FAN

F-FAN

R-FAN

DOOR   S/W

CHECK

TEST

XTIN
(32.768KHz)

XTOUT

RESET

XIN
(8MHz)

XOUT

VSS
 

LED
TEST KEY

KEY

DEMO S/W

POWER OFF
CHECK

TMP87CH46N

BZI

34

38

37

36

35

33

32

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

IC07

R46

R45

CN05

R49
750ohm

IC08

IC04

4

3

PC817

1

2

M-PCB

42

30

29

28

26

CC15

CC19

CC20

CC21

CC22

CE11

CE04

CE05

R39  

R36

CE06

CE08

R17

R40

+

+

+

+

+

+

R41
25.7K

R37
31.4K

Jump option

R47
2.15K

R38
30.1K

CC21

R34

CE07

+ R22

29.4K

RT-SENSOR

R22
15K

CC17

0.1uF

BD1 

CE01

CC01

IC03

CC06 D4 IN4002

5.4V

R26

CE03
0.1F 5.5V

100 OHM 1N4002

CC04

IC06

D1

CC02

IC05

5V

CC05 CC03

39

25

R16

R23
23.2K

R24
31.4K

CC24

R15

24

CC25

23

22

CC26

CC27

R14

R19
41.1K

R18
31.4K

R21
19.5K

R20
30.1K

CE09

31

R25

4.7K

C09

R27

R44

R48

4.7K

ULN2004A

CC18

D3

1N5399

1N4002

D2

R43

47K
R42

47K

SN3

2
3

11

9

VAR2

RY3

RY2

VE12HM5K

VE12HM5K

F-FAN

C-FAN

70+/-5C

   FUSE 1.5A

G

FUSE
TEMP

DEFORST
HEATER

CN03

VS-12MB

RY1

BR

BR

BR

BR

R

S/C

R/C

CN02

BK

Y

B

R-FAN

V

BK

CN01

S/W
DOOR

CN04

BL

GR

3             1

BK

WH

ROOM

BK

R F

LAMP

BL 4 RED    2

P-RELAY

COMP

SN1

SN2

VAR1

FUSE 1.5A

PCB TRANS

220V AC

POWER CORD

BK WH

YW

GR

WH

GR

CN07

BL

CN06

OR

F-SENSOR

D-SENSOR

R1-SENSOR

R2-SENSOR

+

+

RE1

RE2

CE10

R13

+

CE02

1000

µ

F

+

S8053

CC17

20PF

CC16

20PF

IC02

CC08

R31

CC14

R33 R30

CC13

R28

CC11

CC10

CN10

JUMPER

R29

SW02

R32

SW01

TD62783AP

CONTROL INPUTS

* TD62783AP (DARLINGTON DRIVER)

TC4051BP(MULTIPLEX)

* TD62308BP (LOW INPUT ACTIVE 1.5A DRIVER)

* TEST JIG

* ULN2004A

INHIBIT

L
L
L
L
L
L
L
L
H

ON  CHANNEL
0:13 PIN
1:14 PIN
2:15 PIN
3:12 PIN
4:1 PIN
5:5 PIN
6:2 PIN
7:4 PIN
DON'T CARE

C
L
L
L
L
H
H
H
H

*

B
L
L
H
H
L
L
H
H

*

A
L
H
L
H
L
H
L
H

*

R23 R24 ˚C

open jump 3˚C

OK OK 5˚C

jump jump 7˚C

F-PCB

Summary of Contents for FR-660N/NT

Page 1: ...Service Manual Refrigerator Model FR 580N NT FR 660N NT DAEWOO ELECTRONICS CO LTD S M No FR580NT010...

Page 2: ...2 3 Wire diagram 4 4 Name of parts 5 5 Air flow diagram 6 6 Refrigerant cycle diagram 7 7 Machine room view and part list 8 8 Main components 9 9 Door color specification 13 10 Exploded views and part...

Page 3: ...ion System Air Forced Convection Defrost System Fin Evaporator Forced Defrost Operation Automatic Start Stop Cold Control Adjustable Button Capacity Freezer 133 133 147 147 Refrigerator 337 337 352 35...

Page 4: ...1784 1 7 5 12 5 24 1 3 5 53 810 25 5 590 25 820 1460 5 1061 5 120 1 1784 1 570 14 18 5 820 762 24 24 810 26 24 514 62 1015 141 5 2 FR 580NT 762 24 24 810 22 24 514 62 1015 141 5 810 25 5 590 21 8 818...

Page 5: ...5 12 5 24 1 3 5 53 810 59 4 590 25 820 1495 1061 5 120 1 1784 1 570 14 18 5 820 762 24 24 810 26 24 514 62 1015 141 5 4 FR 660NT 762 24 24 810 22 24 514 62 1015 141 5 810 25 5 590 21 8 818 4 37 53 54...

Page 6: ...play Refrigerator Temperature Control Quick refrigerating Quick Freezing Fuzzy Freezer Temperature Control P R BL Y L BL BL BL BL Compressor P relay BL BL BL Gr Defrost heater Refrigerator lamp Freeze...

Page 7: ...f 3 Case Icing 4 Guide Icing 5 Ice Box 6 Chilled Door 7 Low Temperature Doodorant 8 Refrigerator Lamp 9 Refrigerator Shelf 10 Crisper Cover 11 Criper A 12 Criper B 13 Front Grille 14 Adjustable Foot 1...

Page 8: ...of fishes and meats Refrigerator pocket It is good for the storage of beer and beverage etc Crisper It is suitable to store vegetable and fruit The moisture panel which is attached to the cover maint...

Page 9: ...YER AS HOT PIPE C O M P R E S S O R D E L I V E R Y P I P E H O T P I P E P I P E C O N A W I C O N P I P E D R Y E R C A P I L L A R Y T U B E E V A P O R A T O R A C C U N U L A T O R S U C T I O N...

Page 10: ...OTOR C 2 PIPE SERVICE 11 PIPE SUCTION AS 20 FAN 3 ABSORBER 12 PIPE SUC CONN 21 BOLT SPECIAL 4 CABLE TIE 13 BASE COMP AS 22 HOSE DRN B 5 COMPRESSOR 14 WASHER SPECIAL 23 CASE VAPORI 6 PIPE CONN A 15 SWI...

Page 11: ...V 60Hz 127V 60Hz 220V 50Hz 220V 60Hz 230V 50Hz 240V 50Hz Relay model X 444THBZZ 52 276THBYY 52 197SHBYY 52 276THBYY 52 Part code X 3018111900 3018112500 3018112800 3018113000 3018112800 Refrigerant R1...

Page 12: ...211DWBFT Part code X 3015902520 3015902530 3015902540 3015902510 3015902550 6 R FAN MOTOR 7 C FAN MOTOR 8 DEFROST HEATER Refrigerant R12 R134a Voltage 100V 50 60Hz 110V 60Hz 115 120V 60Hz 127V 60Hz 22...

Page 13: ...R134a Voltage 100V 50 60Hz 110V 60Hz 115 120V 60Hz 127V 60Hz 220V 50Hz 220V 60Hz 230V 50Hz 240V 50Hz Part code X 5EPK057660 5EPK057621 5EPK057670 5EPK057710 5EPK057680 11 MAIN PCB ASSEMBLY Refrigerant...

Page 14: ...HER COUNTRY 3 4006D17101 KP 30 FOR AMERICA 4 401PD17101 KP 211 FOR JAPAN TAIWAN 5 3011300801 BP 3PIN 6 3011303010 267 FOR CHILE 7 3011315310 FOR ISRAEL 8 3011303050 BS 1363A FOR U K MIDDLE ASIA SINGAP...

Page 15: ...M High glossy Dull lamina High glossy Normal PCM High glossy sheet lamina sheet bright PCM sheet lamina sheet bright PCM Part code X X X PWFT005A20 X X X PWFT005A30 Refrigerant R12 R134a Color type Du...

Page 16: ...LE 1 PCM type NO COLOR CHIP COLOR NAME 1 P WITH WH069 2 94 L GRAY GY158 3 95 L GRAY GY259 4 94 M GRAY GY331 5 95 M GRAY GY335 6 97 M GRAY GY267 7 M D GRAY GY750 8 N BLUE BL718 9 MINT GREEN GN206 10 97...

Page 17: ...sheet type NO COLOR CHIP COLOR NAME 1 P WITH WH069 2 94 L GRAY GY158 3 95 L GRAY GY259 4 94 M GRAY GY331 5 95 M GRAY GY335 6 97 M GRAY GY267 7 M D GRAY GY750 8 N BLUE BL718 9 MINT GREEN GN206 10 S GOL...

Page 18: ...10 EXPLODED VIEWS AND PARTS LIST 16 1 Exploded views...

Page 19: ...9 11 RELAY BAND 3816100100 SK 5 T0 7 1 12 SPECIAL WASHER 3016002500 SK 5 T0 8 4 13 DRYER AS 1 REFER TO 11 14 ASSY R S LUVR L 3010028804 3010028814 1 15 ASSY R S LUVR R 3010028822 3010028832 1 15 1 SEN...

Page 20: ...R TO 10 25 6 COVER MOTOR B 4017Z32244 HIPS 1 25 7 FIXTURE FAN 4004Q10060 STS27 1 26 SCREW TAPPING 7112401611 T2 TRS 4 16 MFZN 2 27 MOTOR R AS 1 27 1 MOTOR R 1 REFER TO 10 28 SCREW TAPPING 7112401611 T...

Page 21: ...1300 SAN 1 66 POCKET F T 3019001801 GP 2 67 SUPOTR VEGETB COVER 3015301003 SAN 1 68 COVER V CASE 3011407001 3011404701 SAN 1 69 SHELF R AS 3010051200 3010051100 SAN 2 70 CASE CHILD 3011105200 SAN 1 71...

Page 22: ...s controlled automatically according to the customer s purpose of use The temperature inside the freezer and refrigerator room can not be controlled manually Quick freezing is operative This function...

Page 23: ...tion is canceled automatically 1 The temperature can be controled by 6 steps with the freezer temperature button 3 4 5 E F 1 2 3 2 The bar LED will indicate according to the freezer temperature button...

Page 24: ...f D sensor error R fan operation is connected with the COMP 6 When the COMP is off and the temperature of the D sensor is above 3 C the R fan turns off regardless of the R sensor 7 The R2 sensor is on...

Page 25: ...ce in 5 sec then quick freezing mode is canceled 1 If press the quick fridge button the clock mode is changed to quick fridge time mode Quick fridge mode is worked for 40 min 2 Time chart of the quick...

Page 26: ...l the freezer and fridge temperature during the fuzzy function 1 After the power is loaded accumulated door freezer and fridge door open time is recorded every 2 hours for 24 hours The data are record...

Page 27: ...ration ratio from to is over 80 2 In it goes directly to defrost mode if the COMP operation ratio from to is over 80 3 In it enters to defrost mode unconditionally 1 Defrost step E D B D C B C Pre coo...

Page 28: ...he normal defrost is enabled in 14 hours of accumulated COMP on time NO NO NO NO YES YES YES YES Deciding defrosting period Entering defrosting mode Is it max accumulated COMP ON time Is it min accumu...

Page 29: ...s alternately in 15 sec intervals 3 F fan and R fan operation is same as below 1 This function operates when fridge temperature and quick fridge button are pressed and plug the power code 2 At this ti...

Page 30: ...2 During Pre cool step in defrost mode 6 min delay is unavailable 1 Press the quick freezing button 3 times when press the quick fridge and fridge temperature button 2 If press the freezer temperatur...

Page 31: ...ror code is refered to 3 Self diagnosis table 1 Alarm buzzes 1 sec after 3 sec of initial power on 2 Alarm buzzes whenever each switch in F PCB is pressed 3 If the door is opened for more than 1 min c...

Page 32: ...ention function by R2 sensor is disable Heater turns on for 45 minutes irrespective of D sensor R fan can be on off by R1 sensor only when compressor on The R fan and F fan operates irrespective of th...

Page 33: ...4 26 7K R2 3 30 1K R22 30 9K CC08 R25 CE07 R21 30 9K RT SENSOR R23 15K 12V CC08 CE05 12V CC02 CC06 IC08 CC07 CE01 CC19 0 1uF CC18 0 1uF 1000uF CE01 CE02 1000uF BD2 BD1 CE04 CC01 IC09 IC09 CC06 D4 IN40...

Page 34: ...IN 8MHz XOUT VSS LED TEST KEY KEY DEMO S W POWER OFF CHECK BZ 34 38 37 35 35 33 32 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 D05 BZ1 D6 IC04 R33 R26 CN09 R36 750ohm IC08 IC09 4 3 PCB17 1 2 M PCB CC15 CC1...

Page 35: ...eezing goes off Quick LED comes ON 1 One time 1 Freezer room temperature control function 2 Adjust temperature with 2 Two times 1 Refrigerature room temperature control function 2 Adjust temperature w...

Page 36: ...zy mode then fuzzy mode is canceled 1 When press the temperature time control button fridge temperature range blinks Then can control fridge temperature with button 2 Main sensor of fridge room is R1...

Page 37: ...quick freezing time shows for 5 sec 4 COMP and F fan go on regardless of F sensor during the quick freezing mode 5 The quick freezing mode is operative even in fuzzy mode 1 When the quick fridge butt...

Page 38: ...d of high 4 Example 1 Necessary condition of determination defrost 1 COMP operation accumulation time 6 9 12 15 hours 2 COMP operation ratio COMP accumulation time is divided by 3 hours 3 Door open ac...

Page 39: ...temperature 1 C higher than the off point which controlles R fan in normal status Start 3 6 9 12 15 COMP on accumulation time Entering into defrosting mode YES YES YES NO YES YES YES YES Start End TO...

Page 40: ...r 35 min 3 Pause 1 Time 4 min 2 All devices are off 4 F fan delay 1 Time 8 min 2 Only COMP and R fan are on 5 R fan delay 1 Time 10 min 2 Only COMP and F fan are on 6 Output control of each step and t...

Page 41: ...l status and fuzzy status alternately in 15 sec intervals 1 If press the quick freezing and quick refrigerating button for 3 sec after power on then delivery function will start 1MIN 1MIN 0 5SEC OPEN...

Page 42: ...ach switch in F PCB is pressed 3 If the door is opened for more than 1 min chirpy sound alarm buzzes 4 If adjust temperature the fuzzy button will be not operative and the buzzer will be off 1 When po...

Page 43: ...ick refrigerating button After that error mode 2 If press the temperature time control button then will change the status on custom LED R1 sensor temperature F sensor temperature D sensor temperature...

Page 44: ...e out of order then RT sensor control R fan Room temperature 14 C R fan is off Room temperature 26 C R fan is on for 15 minutes R fan is off for 5 minutes 14 C Room temperature 26 C R fan is on for 2...

Page 45: ...OR S W CHECK TEST XTIN 32 768KHz XTOUT RESET XIN 8MHz XOUT VSS LED TEST KEY KEY DEMO S W POWER OFF CHECK TMP87CH46N BZI 34 38 37 36 35 33 32 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 IC07 R46 R45 CN05 R4...

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