Samsung SR-608EV Service Manual
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Samsung SR-608EV Service Manual

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S E R V I C E
R E F R I G E R A T O R
"A"
"A": WITH DISPENSER
S R - 6 0 8 E V
S R - 6 4 8 E V
S R - 6 8 8 E V
WITHOUT DISPENSER
SR-606EV
SR-646EV
SR-686EV
R E F R I G E R ATO R
Model : SR-608EV
SR-648EV
Model :
SR-688EV
M a n u a l
C O N T E N T S
3. Electrical Part Specifications & Standard
5. Outer Package Specification
7. Functions And Directions
10. Disassemble & Assemble Drawing And
11. Disassemble & Assemble Method
12. Packing Method
13. PCB Diagram
15. Main Components Specifacations

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  • Page 1 R E F R I G E R ATO R Model : SR-608EV SR-648EV Model : SR-688EV S E R V I C E M a n u a l R E F R I G E R A T O R C O N T E N T S 1.
  • Page 2 • This could lead to fire hazard or • Repair immediately all power cords or abnormal operation causing hurnid (with condensation) location outlets that have become frayed or severe personal injury. or on an unstable surface. otherwise damaged. Earth Unplug Samsung Electronics...
  • Page 3 • This can protect against the risk • The serviced unit should be the part or try insulation tapping. of fire hazard caused by reassembled and returned to its original tracking and short circuit. assembly state. Samsung Electronics...
  • Page 4 6. Air circulation route Freezer cooling fan Freezer cooling device Refrigerator cooling fan Refrigerator cooling device Swing fan Samsung Electronics...

  • Page 5: Product Specifications

    Split Fin Type Freezer Evaporator Refrigerator Split Fin Type Condenser Forced & Natural Convection Type Dryer Molecular Sieve XH-9 Capilary tube 0.82 X 2500 4.26kg/cm Refrigerant HFC-134a/155gr Type ON(˚C) OFF(˚C) –20˚C –22˚C High Freezer –17˚C –19.0˚C –14˚C –16˚C Samsung Electronics...
  • Page 6 Model Remark SR-606EA 1066.5 1736.5 1753.5 ‘a’ applied SR-608EA 1066.5 1736.5 1753.5 ‘b’ applied SR-646EA 1096.5 1766.5 1803.5 ‘a’ applied SR-648EA 1096.5 1766.5 1803.5 ‘b’ applied SR-686EA 1140.5 1810.5 1847.5 ‘a’ applied SR-688EA 1140.5 1810.5 1847.5 ‘b’ applied Samsung Electronics...
  • Page 7 • Up the cover and apart then pull out the • Pull with both hands as showed. • The height can be adjusted according to the vegetable box at the mid-point and up and and pull to apart. stored bowls. Samsung Electronics...
  • Page 8 7-3 Freezing cycle COMPRESSOR → SUB CONDENSER → CLUSTER PIPE → HOT PIPE → DRYER →CAPILLARY TUBE →REFRIGERATOR EVAPORATOR → FREEZER EVAPORATOR → A C C U M U L A T O R →SUCTION PIPE → COMPRESSOR Samsung Electronics...

  • Page 9: Temperature Control

    ‘Mid’–‘Mid · High’–‘High’–‘Low’–‘Low · Mid’. 3) When power turns on “Mid” is automatically selected. Category Initial power on Pressed once Pressed twice Pressed 3 times Pressed 4 times Remark Indicator Lamp Mid·High High Low·Mid Reference Temp. 3˚C 1˚C –1˚C 6˚C 4.5˚C Samsung Electronics...
  • Page 10 (1) If forced function selected the ”beep” sounds. (2) Alarming sounds untill the forced operating canceled by automatically ( 24Hr ) or manualy. (3) Alarming sounds untill the forced defrosting canceled by automatically ( 24Hr ) or manualy. Samsung Electronics...
  • Page 11 (2) If no problems founded display returns to normal model. (3) If problem is founded, on and off the related display lamp and start alarming. (4) Lamp displayed until the problem solved or self diagnosis cancelled. (5) After problem solved the display mode return to normal. Samsung Electronics...
  • Page 12 +50˚C or below –50˚C. • Faulty connection. • Wire open or short. • Faulty sensor. • Faulty geared-motor Geared- Refrigerator “High” Square wave not detected • Faulty reed-switch Motor by reed-S/W. housing disconnection. • Faulty connection. (Self-diagnosis Display Table) Samsung Electronics...
  • Page 13 Relevant LED ON with initial Initial Mode Quick Freezing power input Relevant LED ON when ROOM Quick Refrigeration Overload temperature is over 35˚C High humidity Relevant LED On when ROOM Low temp. refrigeration temperature is below 20˚C (Load Status Display Table) Samsung Electronics...
  • Page 14 3) Insert the front of the cover first and screw 11-2 Freezer inside lamp replacement • Grab the the salient part of cover and pull it down to apart. Replace the 220V/15W lamp and insert front of cover first and then fix it. Samsung Electronics...
  • Page 15 4) Up the cover of vegetable box and pull apart then pull it out. 5) Remove the screws with (-) driver. 2 screws 6) Release the locking part using (-) driver as shown. 7) Pull out the cover front part. Samsung Electronics...
  • Page 16 10) Remove screws of duct and pull apart. Remove 2 screws 11) Release wire terminal on top of the left. 12) Remove screws of evap. Cover rear and release the locking part of both left and right using (-) latch driver. Remove 2 screws Samsung Electronics...
  • Page 17 ♦ Cooling cycle unit assembly in the refrigerating compartment (Groove for preventing small ice when defrosting) ♦ Cooling cycle unit cover assembly in the refrigerating compartment Samsung Electronics...
  • Page 18 ♦ Rotating duct assembly in the refrigerating compartment Samsung Electronics...
  • Page 19 2) Remove screws of evap cover and pull apart. 3) Disconnect the each terminal of wire housing on top of the left side. 4) Remove screws of evap. Cover rear and release the locking point using (-) driver. Residual spread preventer Samsung Electronics...
  • Page 20 ♦ Assembly of the cooling cycle unit in the freezer Maintains 45˚ (Coolant & noise reduction) Samsung Electronics...
  • Page 21 11-5 Assembling specifications of machinery room 1. remove screws of compressor cover 2. Assembling specifications of machinery room Noise & Vibration reduction rubber Samsung Electronics...
  • Page 22 11-6 Assembling specifications of power supply part 1. Turn off the power of refrigerator. 2. Remove the cover using (-) driver. 3. Assembling specifications of power supply part TEST S/W Condenser D/C Trans Samsung Electronics...
  • Page 23 2-2. Release locking point of lever dispensor using (-) driver to the arrow direction and apart spring and lever dispenser. 2-3. Push locking point using (-) driver and pull out key-lock to upside then apart dispenser locking device. 2-4. Assembling is reverse of the disassembling order after inserting the spring to lever shaft. Samsung Electronics...
  • Page 24 6. Lever-dispenser returns by expansive force of spring-dispenser(2-2) and spring-lever(1-3) . 7. Guide-push(2-2), guide-pin(2-1), o-ring(small)(2-6) and o-ring(big)(2-4) also retun and contact cock- dispenser(2-5) then return to initial state. W A T E R - D I S P E N S E R Samsung Electronics...
  • Page 25 TAPE-AL, FOIL(A) A/S IMPOSSIBLE AL(T=0.075) 3 - 4 DA02-10014A TAPE-AL A/S IMPOSSIBLE TAPE AL, T0.05, W50, 1RL 0.32MT 3 - 5 DA63-10010A COVER-DISPENSER, B DA67-40295B TRAY-DISPENSER, A DA67-40294B TRAY-DISPENSER, B DA63-20158C GUARD-VARIETY, A GPPS 6002-000213 SCREW-TAP TH1 4X12 FZ-FZY Samsung Electronics...
  • Page 26 Check the gasket between cock-ass’ y and water tank (Misse valve(water tank) cause a leak of water between cock-ass’ y and water tank. ) If valve(water tank) is missed or wrongly assembled, then fix the problem. Normal Change all the parts Normal Change refrigerator door Samsung Electronics...
  • Page 27 It KA7533 RESET will make whole program runs from the first status. When power is supplied, reset voltage is ”low” status for a few seconds and turn into ”High” status in the normal operating. Samsung Electronics...
  • Page 28 1) “V” motor’s location sensing which is for G.A. fuzzy control is done by reed S/W. 2) There occure a “high” to “Low” and “Low” to “High” conversion period on con02 pin6 by the motion of swing fan. “V” motor’s location is detected by it Samsung Electronics...
  • Page 29 1) Thermistor is used for sensing which has negative resistance coffiecient to the temperature. 2) MICOM input voltage, VF of sensor is ( Vcc: 5V, Rth : Sensor resistance ) xVcc 3) Refer to conversion table for VF and RTH according to temperature. Samsung Electronics...
  • Page 30 There is no chance that both Comp and defrost heater runs together so it’s useful for safety aspect. RELAY Load Remark Defrost H COMP Comp Operation Defrost-Heater Power Off Comp off, Defrost-Heater Off Defrost-Heater On Comp Power Off Comp Off, Defrost-Heater Off Samsung Electronics...
  • Page 31 4665 1.590 36765 3.930 16709 3.127 8345 2.274 4508 1.553 34995 3.888 16001 3.076 8032 2.227 4357 1.517 33323 3.845 15328 3.025 7732 2.180 4212 1.481 31743 3.802 14688 2.974 7446 2.134 30250 3.757 14080 2.923 7172 2.088 Samsung Electronics...
  • Page 32 Check in advance 1. Check the power of consent and power code. 2. Check it based on the “References” on the next pages. 9-1 No Input Power Samsung Electronics...
  • Page 33 Change sensor Is main PCB connection (CON02) O.K. ? Connection failure Is input vltg of CON 02 pin1,2 O.K. Connection between sensors open Is input vltg of CON 02 pin1,2 O.K. Wire open Change main PCB ass’ y Samsung Electronics...
  • Page 34 Is main PCB connection (CON03) O.K. ? Connection failure Is temp. sensor O.K. Change sensor Is connection of temp. sensor O.K. Connection failure Is input vltg of CON 03 pin1 O.K. Wire open Change main PCB ass’ y Samsung Electronics...
  • Page 35 Is main PCB connection (CON03) O.K. ? Connection failure Is defrosting sensor O.K. Change sensor Is connection of defrosting sensor O . K . Connection failure Is input vltg of CON 03 pin5 O.K. Wire open Change main PCB ass’ y Samsung Electronics...
  • Page 36 (CON03) O.K. ? Connection failure Is the door S/W O.K. Change sensor Is main PCB connection (CON06) O.K. Connection failure Does the vltg of CON06 Pin 1,3 change? Wire open, Change door S/W Change main PCB ass’ y Samsung Electronics...
  • Page 37 3) In case of no panel PCB display Start Is the connection of cover O.K. ? Connection failure Is main PCB connection (CON07) O.K. ? Re-connection Is panel PCB connection O.K. ? Connection failure Change panel PCB Samsung Electronics...
  • Page 38 2. Though the Comp is on, the R-fan is not always on because the fan is off when the temperature was reached to the set point. 3. There is delaying time to run the fan after door open (Comp on state) . The delay time varys from ten seconds to one minute. (Forced operation included) Samsung Electronics...
  • Page 39 2. Swing fan runs for 30 seconds when the door is open but from then it doesn’ t work as the door opened continuously. It’ s just runs for 30 seconds from the time the door is opened. Samsung Electronics...
  • Page 40 S/W pressed? F-fan O.K. Is the connection of CON10 O.K. ? Re-connection Is the vltg of both ends of F-fan 220Vac F-fan failure Does the door S/W works normally Change door S/W Change main PCB ass’ y Samsung Electronics...
  • Page 41 ? R-fan O.K. Does the door S/W works normally Change door S/W Is the connection of CON09 O.K. ? Re-connection Is the vltg of both ends of F-fan 220Vac F-fan failure Change main PCB ass’ y Samsung Electronics...
  • Page 42 10. Disassemble & assemble drawing and part list 10-1 Freezing Compartment Samsung Electronics...
  • Page 43 1 1 0 V / 1 3 W HEATER DRAIN DA47-20208H 1 2 7 V / 1 3 W HEATER DRAIN DA47-20208F 2 2 0 V / 1 3 W HEATER DRAIN DA47-20208J 2 4 0 V / 1 3 W Samsung Electronics...
  • Page 44 10-2 Refrizerating Compartment Samsung Electronics...
  • Page 45 S R - 6 4 6 ( 8 ) E V S R - 6 8 6 ( 8 ) E V 17-1 DA63-10897E COVER-DUCT REF HIPS 17-2 DA31-20133B BLADE AIR LOW 17-3 DA31-20135B BLADE AIR UPP 17-4 DA72-30193A SPACER DUCT, REF FOAM-PS 17-5 DA72-60158C SEAL DUCT, REAR FOAM-PE Samsung Electronics...
  • Page 46 DA60-40104A ID 04, T0.5 17-9 BLADE-AIR GUIDE DA31-20132A 17-10 GROMMET MOTOR DA63-40133A 17-11 BLADE CONNECTING DA31-20132A 17-12 COVER DUCT, FR DA63-11024A HIPS CASE-VEG ASSY DA67-10227F 18-1 CASE VEG DA67-10228A GPPS 18-2 ROLLER-FRE DA66-10104A 18-3 FIXER ROLLER DA71-20145A NY-66(PA) Samsung Electronics...
  • Page 47 10-3 Cabinet and Unit Compartment Samsung Electronics...
  • Page 48 SCREW TAPPING TH1-4X16 DA73-10314C PIPE SUB COND ASSY TO.7, OD4.76, L969 2501-001091 CAPACITOR 5µF, 350VAC CAPACITOR 2401-000511 12µF, 250VAC CAPACITOR 2501-000423 125µF, 125VAC TRANS-DC DA26-30112A 105V/50,60HZ DA26-30112B TRANS-DC 127V DA26-30110C TRANS-DC 220V DA26-30110A TRANS-DC 240V COVER-COMP ASSY DA63-10243A SECC1 Samsung Electronics...
  • Page 49 ASSY-MAIN PCB SR-606(8)EV 1SET ASSY-MAIN PCB DA41-20146B SR-646(8), 680(8)EV 1SET ASSY-MAIN PCB DA41-20105G SR-646(8), 686(8)EV 1SET HINGE-UPP DA61-10205A SHP1, T3.2 DA63-10920G COVER-HINGE UPP DA63-50145A SHIM-HINGE UPP RD-PVC T1.0 DA61-10146C HINGE-MID ASSY SHP1 T4.0 SHIM-HINGE, LOW DA63-50146A RD-PVC T1.0 Samsung Electronics...
  • Page 50 10-4 Door Parts Samsung Electronics...
  • Page 51 DA91-10258Q, R, S, T SR-606EV ASS’Y FOAM DOOR FRE 1SET DA91-10259M, N, P, Q SR-608EV ASS’Y FOAM DOOR FRE( W I T H D I S P E N S E R ) 1SET DA91-10260H, J, K, L SR-646EV DA91-10259R, S, T, U ASS’Y FOAM DOOR FRE...
  • Page 52 Tape:W50X100(2EA) Tape:W50XL150(1EA) PriamentTape:W50XL100 P.E BAG:1EA PAD-PACKING IN: SR-50:W520XL750 SR-54:W660XL779 SR-58:W660XL823 FOAM-PE:T17XW50X175 Tape:W50X150 FOAM-PS:T15x500xl500 ♦ Packaging specifications of rear and front HIGH CUSHION:3EA Tape : W50XL200(1EA) Tape : W50xL300(2EA) EPS: T10XW80XL180(2EA) Low CUSHION(R,L) :846X145X160(2EA) T15X60X825(2EA) Corrugated cadrboard box881X796X140(1EA) Samsung Electronics...
  • Page 53 D A 4 1 - 2 0 1 4 9 A PCB PANEL SR-60, 64, 68 SEOUL SEMI-CONDUCTOR DISP NO D A 4 1 - 2 0 1 0 5 F PCB MAIN SR-60, 64, 68 KWANGJU ELECTRONICS TOSHBA MICOM Samsung Electronics...
  • Page 54 13 PCB Diagram circuit Samsung Electronics...

  • Page 55: Part List

    4 A 4 0 0 8 - 0 1 7 8 R G 1 0 1 , R G 1 0 2 ACE COMMON USE SAMSUNG SEMMI-CONDUCTOR V O L T A G E - R E G K I A 7 8 0 5 P I...
  • Page 56 T M P 8 7 P H 4 0 A N - X X X X I C - M C U ( M S K ) 4 B 4 0 0 2 - 0 8 2 5 T O S H I B A N E W P G M ) Samsung Electronics...
  • Page 57 4. Electric Diagram 1. 110~115V/60Hz, 127V/60Hz, 220V/50Hz, 240V/50Hz CIRCUIT-DIAGTAM “A-1”:220-240V/50,60Hz “A-2”:110-127V/60Hz “B-1”, “C-1”:WITHOUT EARTH “B-2”, “C-2”:WITH EARTH RED-RED WHT-WHITE BLUE-BLUE YEL-YELLOW ORG-ORANGE BLK-BLACK P/BLUE-PINK/BLUE BRN-BROWN PRP-PURPLE PINK-PINK W/BLK-WHITE/BLACK GRY-GRAY S/BLU-SKY BLUE Samsung Electronics...
  • Page 58 Dispenser applied S R - 6 8 6 E V 8 1 4 1 9 0 2 – S R - 6 8 8 E V 8 1 4 8 9 9 1 9 0 2 Dispenser applied Samsung Electronics...
  • Page 59 (for V = 24V) θ Thermal Resistance Junction - Cases °C/W θ♣ θ/W Thermal Resistance Junction - Air Operating Temperature Range MC78XXC/AC 0 ~ +125 °C MC78XXI -40 ~ +125 °C Storage Temperature Range -65 ~ +150 °C Tstg Samsung Electronics...
  • Page 60 MC78XXC, T = 0°C, T = 125°C * Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account separately. Pulse testint with low duty is used. Samsung Electronics...
  • Page 61 = 0 ˚C , T = 125 ˚C MC78XXC, T * Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account separately. Pulse testint with low duty is used. Samsung Electronics...
  • Page 62 (total package)........See Graph Operating Temperature Range, -55 ˚C to + 125 ˚C A................Always order by complete part number, e.g., Storage Temperature Range, See table on next page for differences between devices. -65 ˚C to + 150 ˚C s................UDS2981H883 Samsung Electronics...
  • Page 63 = 0.25 V, V = 80 V Maximum Clamp Diode = 200 mA 1.75 V Forward Voltage *All inputs simultaneously. **Pused test. *Complete part number includes a terminal letter that indicates package (H = ceramic/metal side-brazed. R = ceramic/glass cer-DIP). Samsung Electronics...
  • Page 64 =10mA, I =0.5mA CE(sat) Output Capacitance =10V, I t=1MHz Current Gain-Bandwidth Product =10V, I =5mA Input Off Voltage =5V, I =100µA (off) Input On Voltage =0.3V, I =20mA (off) Input Resistor KΩ Resistor Ratio 0.42 0.47 0.52 Equivalent Circuit Samsung Electronics...

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Sr-688evSr-648evSr-606evSr-646evSr-686ev

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