Daewoo FR-631KD Service Manual
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Daewoo FR-631KD Service Manual

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Service Manual
Refrigerator
Model: FR-631KD
 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).
DAEWOO ELECTRONICS CO., LTD.
http://svc.dwe.co.kr
S/M No. : FR631KD012
FR-710KR
Jan. 2004

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Summary of Contents for Daewoo FR-631KD

  • Page 1 : 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). DAEWOO ELECTRONICS CO., LTD. http://svc.dwe.co.kr Jan. 2004...

  • Page 2: Table Of Contents

    SAFETY AND PRECAUTIONS 1) For starters, be sure to check any chances of the leakage of electricity 2) You could handle a part in the vicinity of electricity after unplugging 3) You should put on rubber glovers to prevent an electric shock on operation test 4) Make sure the rated current, voltage, capacity before using an instrument 5) Keep your wet hands away from the metal goods in the freezer compartment not to be frostbitten 6) Be careful not to let water to permeate the electric part in the machine room...

  • Page 3: External Views

    1. EXTERNAL VIEWS 1-1. EXTERNAL SIZE 715.1 1-2. NAME OF PARTS 1 Freezer Compartment Lamp 2 Shelf Ffreezer 3 Case Icing 4 Guide Icing 5 Ice Box 6 Refrigerator Compartment Lamp 7 Cover Cubic Duct 8 Fresh Case 9 Shelf Refrigerator 0 Deodorant q Cover Vegetable w Case Vegetable(B)

  • Page 4: Specifications

    2. SPECIFICATIONS 2-1. OUTLINE DIVISION CONTENTS MODEL NAME FR-631KD FREEZER USABLE CAPACITY (L) REFRIGERATOR TOTAL WIDTH EXTERNAL DIMENSION( mm) DEPTH HEIGHT 1818 REFRIGENT R134a COOLING SYSTEM Fan Cooling System COOLING &CONTROL SYSTEM DEFROST SYSTEM Fin Evaporator Forced DEFORST CONTROL Automatic Start & Stop...

  • Page 5: Operation And Fuctions

    3. OPERATION AND FUCTIONS 3-1. Function List 1-1. Freezer Temperature Input Control Object Contents Remark 1. Temperature 1. COMP 1. Freezer temperature is controlled by Freezer Temperature Dial. Dial Weak Middle Strong 2. F Thermostat 2. F-FAN 3. ON / OFF 3.
  • Page 6 1-3. Defrosting Cycle Input Control Object Contents Remark 1. Accumulated 1. Defrosting 1. What to consider in determining the defrosting cycle work time of Mode Total (accumulated) work time of COMP COMP 2. Conditions to start defrosting mode When total work time of COMP is more than 8, defrosting mode starts unconditionally.
  • Page 7 1-5. Time Delay of Electrical Parts Input Control Object Contents Remark 1. Door Switch 1. F-FAN 1. F/R-Fan movement by Door Switch - R-Fan turns 2. R-FAN Off when Door Switch Open turns On. DOOR Close R FAN F FAN Time Delay : 0.2 second - When door is open, F-Fan and R-Fan turn Off simultaneously.

  • Page 8: Circuit & Wire Diagram

    3-2. Circuit & Wire Diagram...

  • Page 9: Circuit

    3-3. Circuit 1) Power Part 1-1) Circuit Diagram 1-2) Noise Prevention of Line Power Point Oscilloscope Measurement Remark - Filter function to prevent the Line Voltage Noise under 20MHz...
  • Page 10 1-3) Noise Prevention in Turn-on of Switch Power IC Point Oscilloscope Measurement Remark - Prevention of Surge Noise when Switch Power IC1 turns on. 1-4) Initial Voltage of Switch Power IC Point Oscilloscope Measurement Remark - IC1 Initial Move- ment Circuit - Initial Voltage : 15V - After Initial Movement : 12V.
  • Page 11 1-5) Power Protection Function Point Oscilloscope Measurement Remark - Circuit Protection Function - Abnormal Mode 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...
  • Page 12 2) Output Control Part 2-1) Circuit Diagram 2-2) Wave of Point A-A" in 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...
  • Page 13 2-3) Wave of Point B-B" in Control Mode Point Oscilloscope Measurement Remark B-B" - At Door Close * CE1 of Point B charges & dis- 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...
  • 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: Diagram

    4. DIAGRAM 4-1. AIR FLOW DIAGRAM Freezer Pleas don’t put bottles such as beer, beverage etc. It might be broken because of freezing Freezer pocket Please don’t put long term storing items such as ice cream etc. It might be melted because of opening the door freguently.

  • Page 16: Refrigent Cycle Diagram

    4-2. REFRIGRANT CYCLE DIAGRAM...

  • Page 17: Exploded View And Parts List

    5. EXPLODED VIEW AND PARTS LIST 5-1. TOTAL EXPLODED VIEW...

  • Page 18: Total Parts List

    5-2. TOTAL PARTS LIST  Caution : In this Service 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) PART CODE PART NAME...
  • Page 19 PART CODE PART NAME PART DESCRIPTION Q'TY REMARK 3011113610 CASE VAPORI 7112401211 SCREW TAPPING T1 TRS 4X12 MFZN 3956130R50 COMPRESSOR HPL30YG-5 3016002500 SPECIAL WASR SK-5 3018119980 SWITCH P RELAY AS 4TM308NHBYY-52, S330 3012610000 CLAMP BAND RELAY SK-5 3010309110 BASE COMP AS SBHG T1.2 3016003300 SPECIAL BOLT...
  • Page 20 PART CODE PART NAME PART DESCRIPTION Q'TY REMARK 3011110700 CASE VEGETB *L B HIPS(5080NB/KB) 3011428702 COVER V/CASE SAN(5080NB/KB) M-501 3011428602 COVER V/CASE SAN(5080NB/KB) M-551 3011110500 CASE VEGETB *R A 3011111000 CASE VEGETB *R B HIPS(5080NB/KB) 3014700200 ROLLER V/CASE *R/*L = 2/2 3015303300 SUPPORTER ROLL *R/*L = 2/2...
  • Page 21 PART CODE PART NAME PART DESCRIPTION Q'TY REMARK 110-1 3019012800 POCKET MULTI HIPS 3012509000 GUIDE JUMBO POCKET AS 3019012500 POCKET EGG HIPS 3011161500 CASE EGG GPPS 3012307620 GASKET R DR AS PVC-S 3019012300 POCKET F *U HIPS 3019012200 POCKET F *T HIPS 3012307520 GASKET F DR AS...

  • Page 22: Machine Room Exploded View And Parts List

    5-3. MACHINE ROOM EXPLODED VIEW AND PARTS LIST PART NAME PART NAME PART NAME BASE CAB *B 10 CABLE TIE 18 PIPE SUC CONN SCREW MACHINE 11 CASE VAPORI AS 19 ABSORBER PIPE CORD POWER AS 12 PIPE WI-CON AS 20 PIPE MUFFLER AS SCREW TAPPING 13 SCREW TAPPING...
  • Page 23 DAEWOO ELECTRONICS CO., LTD. 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX: DWELEC K28177-8 CABLE: “DAEWOOELEC” S/M NO. : FR631KD012 PRINTED DATE: Jan. 2004...

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Fr-710kr

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