Daewoo FR-660N/NT Service Manual
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Daewoo FR-660N/NT Service Manual

Daewoo FR-660N/NT Service Manual

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S/M No. : FR580NT010
Service Manual
Refrigerator
Model: FR-580N/NT
FR-660N/NT
DAEWOO ELECTRONICS CO., LTD.

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علی
May 7, 2025

نقشه تغذیه یخچال فریزر دوو مدل ۶۶۰پلاس ومیخوام

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علی
May 7, 2025

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Summary of Contents for Daewoo FR-660N/NT

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

  • Page 2: Table Of Contents

    CONTENTS 1. Specification -----------------------------------------------------------------------------------------------1 2. External views---------------------------------------------------------------------------------------------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 parts list -----------------------------------------------------------------------16 11.

  • Page 3: Specification

    1. SPECIFICATION MODEL NAME FR-580N FR-580NT FR-660N FR-660NT 200g 200g 200g 200g Refirgerant R134a 160g 160g 160g 160g Cooling System Fan Cooling Convection Refrigeration System Air Forced Convection Defrost System Fin Evaporator Forced Automatic Start & Stop Defrost Operation Cold Control Adjustable Button Freezer Refrigerator...

  • Page 4: External Views

    2. EXTERNAL VIEWS 1. FR-580N 2. FR-580NT...
  • Page 5 3. FR-660N 4. FR-660NT...

  • Page 6: Wire Diagram

    3. WIRE DIAGRAM Grey Green White Blue F-PCB Orange Pink PCB TRANS Black P2 G2 Yellow Violet D1- F- Brown Sensor Sensor Sensor Door S/W compressor Freezer Refrigerator defrost lamp lamp heater Defrost R/C S/C M-PCB PCB TRANS heater R O P Input 1 2 3 P-relay...

  • Page 7: Name Of Parts

    4. NAME OF PARTS 1 Freezer Lamp 2 Freezer Shelf 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 15 Freezer Pocket...

  • Page 8: Air Flow Diagram

    5. AIR FLOW DIAGRAM Freezer pocket Freezer Please don't put long term storing Please don't put bottles items such as ice cream etc. such as beer, beverage etc. It might be melted because of It might be broken opening the door frequently. because of freezing.

  • Page 9: Refrigerant Cycle Diagram

    6. REFRIGERANT CYCLE DIAGRAM ACCUM SUCC.PIPE I-PIPE EVA. PIPE CON (A) WI-CON. DRYER AS PIPE CON (S) DELIVERY PIPE CAPI-TUBE COMP Welding Specifications WELD 5% SILVER ¡ WELD 35% SILVER § Freezing Cycle...

  • Page 10: Machine Room View And Part List

    7. MACHINE ROOM VIEW AND PART LIST 24 20 PART NAME PART NAME PART NAME FIXTURE C MOTOR AS DRYER MOTOR C PIPE SERVICE PIPE SUCTION AS ABSORBER PIPE SUC CONN BOLT SPECIAL CABLE TIE BASE COMP AS HOSE DRN B COMPRESSOR WASHER SPECIAL CASE VAPORI...

  • Page 11: Main Components

    8. MAIN COMPONENTS 1. COMPRESSOR Refrigerant Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz Comp. model BL27YE-3 BL27YE-2 SL28YE-5 PL25YE-4 SL28YE-5 Part code 3952127A30 3952127A20 3954128A50 3956125A40 3954128A50 Strating type RSIR RSCR RSIR Refrigerant R134a Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz...
  • Page 12 4. STARTING CAPACITOR Refrigerant Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz Spec. 200V/100µF 350V/25µF Part code 3016400100 400EL16110 Refrigerant R134a Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz Spec. 200V/100µF µF 290V/50 Part code 3016400100 4124G62020 5.
  • Page 13 9. LAMP ASSEMBLY Refrigerant R12, R134a Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz Spec. 120V/15W 240V/15W Part code 3013600010 3013600030 10. PCB TRANSFORMER Refrigerant R12, R134a Voltage 100V/50,60Hz 110V/60Hz 115, 120V/60Hz 127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz Part code 5EPK057660 5EPK057621 5EPK057670...
  • Page 14 POWER CORD SPECIFICATION SHAPE OF POWER CODE PART CODE DESCRIPTION REMARK 3011315000 CP-2PIN FOR EUROPEAN COUNTRY 401RA17200 CP-2PIN FOR OTHER COUNTRY 4006D17101 KP-30 FOR AMERICA 401PD17101 KP-211 FOR JAPAN & TAIWAN 3011300801 BP-3PIN 3011303010 #267 FOR CHILE 3011315310 FOR ISRAEL FOR U.K, MIDDLE ASIA 3011303050 BS-1363A...

  • Page 15: Door Color Specification

    9. DOOR COLOR SPECIFICATION 1. ASSEMBLY URETHAN FREEZER DOOR 1) FR-580N, 660N Refrigerant R134a Color type Dull lamina High glossy High glossy Dull lamina High glossy High glossy Normal PCM Normal PCM sheet lamina sheet bright PCM sheet lamina sheet bright PCM Part code PWFT005A40...
  • Page 16 COLOR TABLE 1. PCM type COLOR CHIP COLOR NAME P/WITH (WH069) '94 L/GRAY (GY158) '95 L/GRAY (GY259) '94 M/GRAY (GY331) '95 M/GRAY (GY335) '97 M/GRAY (GY267) M. D/GRAY (GY750) N/BLUE (BL718) MINT GREEN (GN206) '97 BEIGE (BE215)
  • Page 17 2. Lamina sheet type COLOR CHIP COLOR NAME P/WITH (WH069) '94 L/GRAY (GY158) '95 L/GRAY (GY259) '94 M/GRAY (GY331) '95 M/GRAY (GY335) '97 M/GRAY (GY267) M. D/GRAY (GY750) N/BLUE (BL718) MINT GREEN (GN206) S/GOLD G/GREEN...

  • Page 18: Exploded Views And Parts List

    10. EXPLODED VIEWS AND PARTS LIST 1. Exploded views...
  • Page 19 2. Parts list 1) FR-580N, 660N PART CODE PART NAME DESCRIPTION Q'ty REMARK FR-580N FR-660N ASSY *U HI 30100A0180 HINGE *T AS 3012907600 COVER *T HI 3011419900 ASSY R DR TOTAL REFER TO # 13 ASSY R DR LINER 3010036020 POCKET BOTTLE 3011406901 ASSY F DR TOTAL...
  • Page 20 PART CODE PART NAME DESCRIPTION Q'ty REMARK FR-580NT FR-660NT DUCT CHILD AS 3010029532 3011128931 16-1 SOCKET R LAMP AS 3017900860 SCREW TAPPING 7112401611 T2 TRS 4 x 16 MFZN LAMP AS REFER TO # 11 WINDOW R 3015501600 3015500800 GPPS SWITCH DR 3018100020 2BUTTON/4PIN...
  • Page 21 PART CODE PART NAME DESCRIPTION Q'ty REMARK FR-580NT FR-660NT COVER CUBIC/C 3011424400 ASSY R DR TOTAL REFER TO # 13 GASKET R DR AS 3012302610 PVC+MAGNET ASSY R DR LINER 3010036000 POCKET SM 3019002301 POCKET JUMBO 3018000500 POCKET M 3019000901 ASSY F DR TOTAL REFER TO # 13 GASKET F DR AS...

  • Page 22: Electronic Function

    11. ELECTRONIC FUNCTION 1. FR-540N 1) How to use the panel • The temperature inside the freezer and refrigerator room is • The comp and fan in the refrigerating room controlled automatically according to the customer’s purpose operate for 40 min. of use.
  • Page 23 2) Function table Control Control Contents Remark Function Objects Initial Time 1. In the initial operation, the temperature of FRZ. and REF. operation Temperature automatically set at 3/3. control 2. The clock is set at 12:00. QUICK FREEZER QUICK FRIDGE TIME FUZZY FREEZING...
  • Page 24 Control Control Contents Remark Function Objects 4. Time chart of each device. COMP F-FAN C-FAN 30" 5. COMP. on/off temperature (Temperature ˚C/Resistance kΩ) COMP. OFF -21/23.6 -21/23.6 -22/25.0 -23/26.4 -24/27.9 -25/29.6 COMP.ON -16/17.9 -16/17.9 -17/18.9 -18/20.0 -19/21.1 -20/22.3 Refrigerator R-fan 1.
  • Page 25 Control Control Contents Remark Function Objects Quick COMP. 1. If quick freezing button is pressed, the clock mode is changed freezing F-fan to quick freezing time mode. C-fan QUICK FREEZER QUICK FRIDGE TIME FUZZY FREEZING TEMP. FRIDGE. TEMP. FRZ. REF. FRESH 1 2 3 F 5 4...
  • Page 26 Control Control Contents Remark Function Objects 3. The bar LED is illuminated 3 times in a row. REF. REF. F 5 4 3 2 1 E. F F 5 4 3 2 1 E. F Quick mode ON After 30 min. REF.
  • Page 27 Control Control Contents Remark Function Objects Determination 1. Defrost function is started by the following 4 conditions. Condition 1 : Accumulated COMP. on time (MAX. and MIN. defrost time) Condition 2 : Accumulated door open time (different from the accumulated door open time in fuzzy function) Condition 3 : COMP.
  • Page 28 Control Control Contents Remark Function Objects Deciding defrosting period Is it min. accumulated COMP ON time? Is the percentage of operation, so far, above 80%? Is it max. accumulated COMP ON time? Is the resuting accumulated door open time, 10 min? Is the percentage of operation, so far, above 80%? Will it be min.
  • Page 29 Control Control Contents Remark Function Objects Device COMP. 1. Pressing the SW01 on M-PCB enables device test function. test F-fan 2. Pressing the SW01 proceeds the operation of device as function R-fan follows. Heater COMP. D-heater break F-fan R-fan return 3.
  • Page 30 Control Control Contents Remark Function Objects COMP. 1. The low cooling prevention function will be operating if the cooling R-fan temperature of R1-sensor or R2-sensor goes above 6˚C. prevent 2. Time chart function low cooling detection temp. (6˚C) R-FAN ON : ON R-FAN OFF : OFF...
  • Page 31 Control Control Contents Remark Function Objects 4. Sensor’s temperature indication is as follow. 1) R-sensor (when 1˚C) FRZ. REF. FRESH 1 2 3 5 4 3 2 1 E. F CLEAN 2) D-sensor (when -23˚C) FRZ. REF. FRESH 1 2 3 5 4 3 2 1 E.
  • Page 32 3) Self-diagnosis table Code Content Perception method Refrigerator operation state F-sensor - Short circuit - The refrigerator is run at 60% power with a malfunction 40 minute period. - Wire disconnection - When the refrigerator compartment is over frosted, the operation is forcibly stopped, then returns to a 40 minute period operation.
  • Page 33 4) Circuit and Wiring Diagram N 8 0 2 M-PCB CN06 F-PCB 26.7K F-SENSOR 1. The RESISTOR value which has not displayed time constant is 10K 1/4W. CE12 D-SENSOR CC11 2. The CERAMIC CONDENSOR which been displayed time constant is 0.01µF. R2.3 D03 D06 D05 D01 D02 SCAN A...
  • Page 34 N 8 0 3 CN06 F-PCB M-PCB F-SENSOR CE13 D-SENSOR CC15 D03 D06 D05 D01 D02 SCAN A CN07 CC10 CE04 26.7K CN01 CN08 SCAN B R1-SENSOR SW5 SW2 SW3 SW1 SW4 SCAN C CC20 R-TEMP. F-TEMP. NEURO CE05 CONTROL CONTROL FUZZY 30.1K...
  • Page 35 2. FR-540NT 1) How to use the panel • When the FUZZY button is pressed, both • When the quick freezing button is pressed, “BAR LED” are blinking in a row BAR LED of freezing is blinked 3 times in a •...
  • Page 36 2) Function table Control Control Contents Remark Function Objects Clook 1. The time is set at 12:00 in initial operation function TEMP QUICK QUICK FRZ. REF. FUZZY TIME SET FREEZING REFRIGERATION FUZZY SURROUND CLEAN 2. Time setting 1) When the temperature/time set button is pressed 3 times, Hour blinks.
  • Page 37 Control Control Contents Remark Function Objects 5. When the low cooling is detected, COMP. goes on regardless of F-sensor. 6. When the fridge temperature goes R-fan off point, COMP. is controlled by F-sensor and R-fan goes off. 7. Low cooling is detected by R1-sensor or R2-sensor, its cancellation can be done by R1-sensor only.
  • Page 38 Control Control Contents Remark Function Objects Fuzzy COMP. 1. When press the fuzzy button, predictable cooling of freezer R-fan and fridge room is started. F-fan TEMP QUICK QUICK FRZ. REF. FUZZY TIME SET FREEZING REFRIGERATION FUZZY SURROUND CLEAN 2. How to predict freezer and fridge room temperature. 1) Checking accumulated door open time every 2 hours.
  • Page 39 Control Control Contents Remark Function Objects 2. Description Start (COMP. on accumulation time) 1) It enters into the defrost mode at 15 hours unconditionally. 2) It enters into the defrost mode at 6, 9, 12 hours conditionally. 3) Flow chart of determination defrost mode. Start TOTAL Does the time elapse for 3 hours?
  • Page 40 Control Control Contents Remark Function Objects 4) If the F-sensor -27˚C even the time elapsed is less than 50 min., the Pre-cool step goes off. 2. D-heater+R-fan defrost 1) D-heater and R-fan are on. 2) When D-sensor is higher than 2˚C, R-fan goes off, and D- heater stays on contionously.
  • Page 41 Control Control Contents Remark Function Objects Electric Door S/W 1. F-fan on or off time is delayed, when COMP. is on or off. device COMP. delay F-fan COMP R-fan F-FAN 1MIN. 1MIN. 2. F-fan and R-fan on or off time is delayed, when door switch is on or off.
  • Page 42 Control Control Contents Remark Function Objects 2. The electric devices are off for 2 hours in delivery function. 3. The custom LED is on normally. Power COMP. 1. M-PCB reserves all functions for 3 hours after power failure. failure Clock 2.
  • Page 43 Control Control Contents Remark Function Objects R1 : Off point determination in R1-SENSOR normal operation R2 : Decreases off point determination J1 : If remove J1, the off point will be decreased. 2) Resistance value R1 : 31. 4 kΩ R2 : 2.15 kΩ...
  • Page 44 3) Self-diagnosis table Error Defect function Check method mode F-sensor - Compressor & F-fan is on for 24 minutes. - Compressor & F-fan is off for 16 minutes. R1-sensor - Regarded by R2-sensor. R2-sensor - Detecting weak cooling is impossible. D-sensor - Heater is on only for 35 minutes.
  • Page 45 4) Circuit and wiring diagram CN06 F-PCB M-PCB F-SENSOR D-SENSOR CE11 CC15 D01 D04 D02 D03 SCAN A CN07 CC19 CE04 CN01 CN08 ˚C 25.7K SCAN B open jump 3˚C R1-SENSOR SW1 SW4 SW2 SW3 31.4K 5˚C SCAN C Jump option 2.15K jump jump 7˚C...

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