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Service Manual

Refrigerator

Model: FR-631KD

DAEWOO ELECTRONICS CO., LTD.

http://svc.dwe.co.kr

Jan. 2004

S/M No. : FR631KD012

✔ 

Caution

: In this Manual, some parts can be changed for improving, their 

  performance without notice in the parts list. So, if you need the 

  latest parts information,please refer to PPL(Parts Price List) in 

  Service Information Center (http://svc.dwe.co.kr).

             FR-710KR

Summary of Contents for FR-631KD

Page 1: ...o kr Jan 2004 S M No FR631KD012 Caution In this Manual some parts can be changed for improving their performance without notice in the parts list So if you need the latest parts information please refer to PPL Parts Price List in Service Information Center http svc dwe co kr FR 710KR ...

Page 2: ...t in the machine room 7 with the door open during your working you might be damaged by that door 8 You should give a tilt to the refrigerator for your safe after removing the breakable goods inside the refrigerator 9 You d better use cotton gloves if you fix it up around the evaporator TABLE OF CONTENTS 1 EXTERNAL VIEWS 2 1 1 EXTERNAL SIZE 2 1 2 NAME OF PARTS 2 2 SPECIFICATIONS 3 2 1 OUTLINE 3 3 O...

Page 3: ...ase 9 Shelf Refrigerator 0 Deodorant q Cover Vegetable w Case Vegetable B e Case Vegetable A r Guide Vegetable t Front Grille y Adjustable Foot u Freezer Pocket Top i Freezer Pocket Under o Egg Pocket p Egg Tray a Guide Bottle s Bottle Pocket d Multi Pocket f Multi Pocket 38 4 589 1084 1817 4 18 62 715 1 96 10 1 1 52 695 732 820 17 3 590 12 820 810 u 1 2 3 4 5 6 7 8 9 0 q w e r t y i p d a s f o ...

Page 4: ...RIGERATOR 366 TOTAL 504 WIDTH 818 EXTERNAL DIMENSION mm DEPTH 752 HEIGHT 1818 REFRIGENT R134a 110 COOLING SYSTEM Fan Cooling System COOLING CONTROL SYSTEM DEFROST SYSTEM Fin Evaporator Forced DEFORST CONTROL Automatic Start Stop NET WEIGHT kg 85 2 SPECIFICATIONS 2 1 OUTLINE ...

Page 5: ... DIFF 13 0 C 9 0 C 16 0 C 12 0 C 19 0 C OFF ON 15 0 C Strong Temperature MODE STEP DIFF ON OFF DIFF Input Control Object Contents Remark 1 Temperature Dial 2 R Thermostat 3 ON OFF DIFF 1 R Fan 1 efrigerator temperature mode is set by the temperature dial Weak Middle Strong 2 R FAN is controlled by ON OFF point of each mode 3 ON OFF DIFF of Refrigerator 3 0 C Middle OFF Point 0 5 C Strong Weak STEP...

Page 6: ...FAN Control 1 If Bi Metal is over 10 Heater turns Off 2 COMP F R C FAN Off 1 Pause 5 minutes 2 COMP F C FAN Off 3 R FAN Control 1 COMP F R C FAN Control 2 Time Chart in Defrosting Mode 3 Output Control Limit Time of Each Defrosting Mode 1 When defrosting starts COMP and F R C FAN turn Off 2 R Fan is ON OFF Controlled in Pause mode 1 4 Defrosting Mode Control Heater Defrosting Pause Control HTR Sta...

Page 7: ...first turns on and 0 2second later F Fan turns On 2 Fan Delay and Priority R FAN ON ON without delay F FAN ON ON after 0 2second delay C FAN ON ON after 0 1second delay In case of DC Fan initial movement R Fan starts first then C Fan and F Fan work due to the over current protection 1 5 Time Delay of Electrical Parts Close DOOR R FAN F FAN On Open Off On Off Time Delay 0 2 second R FAN C FAN F FAN...

Page 8: ...7 3 2 Circuit Wire Diagram Defrost Heater Bimetal WH BK BR RED BU BK BK DOOR S W F Lamp R Lamp Temp Fuse 77 5 C BK WH Input ...

Page 9: ...8 3 3 Circuit 1 Power Part 1 1 Circuit Diagram 1 2 Noise Prevention of Line Power Point Oscilloscope Measurement Remark A Filter function to prevent the Line Voltage Noise under 20MHz ...

Page 10: ...asurement Remark B Prevention of Surge Noise when Switch Power IC1 turns on 1 4 Initial Voltage of Switch Power IC Point Oscilloscope Measurement Remark C IC1 Initial Move ment Circuit Initial Voltage 15V After Initial Movement 12V Below 10V Reset and returns to initial state ...

Page 11: ...e of Short etc at 2nd Side When Vcc is sensed as Below 10V it blocks the power to protect the circuit 1 6 Constant Voltage Control Circuit Point Oscilloscope Measurement Remark E F G Control Mode at Non constant Voltage F point Below 10V Wave Constant Voltage Mode Control by Pulse Width Change according to voltage ...

Page 12: ... Control Mode Point Oscilloscope Measurement Remark A A In CONTROL A H L Signal Repetition A H L Signal Repetition A H L Signal Repetition At Door Open A H Signal A H L Signal Repetition A H L Signal Repetition In Defrosting A H L Signal Repetition A H Signal A H Signal ...

Page 13: ...is charges accord ing to ON OFF of point A Point B Voltage 1 5V Logic Signal L At Door Open Point B Voltage 6 5V Logic Signal H 2 4 Wave of Point C C in Control Mode Point Oscilloscope Measurement Remark C C At Door Close Point C Voltage 0 2V Logic Signal L Q1 TR does not work At Door Open Point C Voltage 0 7V Q1 TR works ...

Page 14: ...2 5 Wave of Point D D in Control Mode Point Oscilloscope Measurement Remark D D At Door Close Point D Voltage 1 3V Fan work is pos sible due to Q4 5 flow At Door Open Point D Voltage 0 2V Fan does not work ...

Page 15: ...ezing Chilled room It is good for the storage of fishes and meats Crisper It is suitable to store vegetable and fruit The moisture panel which is attached to the cover humidity properly Vegetable and fruit would be better to Multiple outlet of cooling air Please don t put in vegetable etc which contain moisture It might be frozen because of low temperature Inlet of cooling air It should not be blo...

Page 16: ...15 4 2 REFRIGRANT CYCLE DIAGRAM C O M P R E S S O R W I C O N H O T P I P E D R Y E R E V A P O R A T O R A C C U M U L A T O R S U C P I P E P I P E C O N S C A P I L L A R Y T U B E ...

Page 17: ...5 EXPLODED VIEW AND PARTS LIST 5 1 TOTAL EXPLODED VIEW 16 ...

Page 18: ... T U M6X22 3 21 3016500720 CASTER F L AS 1 22 3016000700 SPECIAL SCREW M5X15 2 23 3012102501 FOOT ADJ L AS 1 24 3016500820 CASTER F R AS 1 25 3012101501 FOOT ADJ AS 1 26 3011448600 COVER CAB BRKT PP 1 27 7112401211 SCREW TAPPING T1 TRS 4X12 MFZN 2 28 3011301250 CORD POWER AS 1 29 7112401211 SCREW TAPPING T1 TRS 4X12 MFZN 1 30 3011302900 FUSE GLASS TUBE C12201 1 31 3013202400 HOSE DRN AS 1 32 71124...

Page 19: ...018909300 LOUVER F A AS 1 57 3013335100 INSU F LUVR A F PS 1 58 3018909300 LOUVER F A HIPS 4 59 7122401811 SCREW TAPPING T2 TRS 4X18 MFZN 4 60 3010924600 CAP F LUVR HIPS 4 61 3017820900 SHELF F AS HIPS 5080NB KB 1 64 3011110200 CASE ICING PE 2 3010519500 BOX ICE AS 1 65 3012603400 HANDLE ICE BOX ABS 1 66 3011415500 COVER ICE BOX GPPS 1 67 3010519600 BOX ICE HIPS 1 68 3018301900 THERMOSTAT F 1 68 1...

Page 20: ...T ABS 4 3018904500 LOUVER R S L AS 94 3018904300 LOUVER R S L PP 1 95 3013324301 INSU S L F PS 1 96 7112401611 SCREW TAPPING T1 TRS 4X16 MFZN 2 3018908410 LOUVER S R AS 1 97 3018904400 LOUVER S R PP 1 98 3013324401 INSU R S R F PS 1 99 9010916800 CAP RETUN DUCT ABS 1 100 3011900600 FILTER CUBIC DEO VINYLON T0 3 1 101 3018701400 DEO ANTI CUBIC 1 102 30155027000 WINDOW R GPPS 1 103 3013501500 KNOB C...

Page 21: ...9 3010026300 ASSY R DR EMBOSS 1 120 3012610900 HANDLE F ABS 1 121 7002501611 SCREW MACHINE TRS 5X16 MFZN 2 122 3011609100 DECO F DR HNDL ABS 1 123 3012611000 HANDLE R ABS 1 124 7002501611 SCREW MATCHING TRS 5X16 MFZN 2 125 3011609200 DECO R DR HNDL ABS 1 126 3014532600 EMBLEM AMCOR DESIGN 1 110 1 3019012800 POCKET MULTI HIPS 2 111 3012509000 GUIDE JUMBO POCKET AS ABS 1 112 3019012500 POCKET EGG HI...

Page 22: ... SPECIAL 8 BASE COMP AS 9 DRYER AS NO PART NAME 10 CABLE TIE 11 CASE VAPORI AS 12 PIPE WI CON AS 13 SCREW TAPPING 14 DRAIN HOSE B AS 15 SWITCH P RELAY AS 16 BAND RELAY 17 PIPE SUC AS NO PART NAME 18 PIPE SUC CONN 19 ABSORBER PIPE 20 PIPE MUFFLER AS 21 ABSORBER PIPE A 22 PIPE HOT 23 PIPE SERVICE 24 MOTOR C 25 FAN C AS 15 16 13 4 9 11 11 11 7 13 13 2 5 24 25 14 12 ...

Page 23: ...S M NO FR631KD012 DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE Jan 2004 ...

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