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13-2

13. CIRCUIT DESCRIPTIONS

13-2. AC INPUT & POWER CIRCUIT

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Function

- Generates a required DC power of 12V or 5V in case of supplied or disconnected AC power.



Description

-  When AC 220V is applied to CN3, D16 D19 transforms it to DC 300V.
-  DC 300V is generated for the LVT1 secondary source by IC3 and PC1 turning on/off.
-  The secondary 12V depends on the ZD1 value.
-  The 8V for the LVT1 secondary source is transformed to DC 5V through IC4.

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Содержание WF-F125AV

Страница 1: ...9 1 9 BLOCK DIAGRAM ...

Страница 2: ...9 2 9 BLOCK DIAGRAM Memo ...

Страница 3: ...F125AV MODEL NAME WF7452S9R WF7452S9C WF7450S9C MODEL CODE WF7452S9R YLP WF7450S9C YLP WF7452S9R YLW WF7452S9C YLW WF7450S9C YLW Refer to the service manual in the itself http itself sec samsung co kr for the more information SILVER WASH AG CALM WASH PREWASH CHILD LOCK EASY IRON 1 2 3 4 5 ...

Страница 4: ... 3 NEW FEATURES 3 5 3 4 TECHNICAL POINT 3 8 3 5 DESIGNATION OF MAIN COMPONENTS 3 10 4 ALIGNMENT AND ADJUSTMENTS 4 1 4 1 GENERAL ERROR FUNCTION 4 1 4 2 TEST MODE 4 3 5 ASSEMBLY AND DISASSEMBLY 5 1 5 1 TOOLS FOR DISASSEMBLY AND ASSEMBLY 5 1 5 2 ASSEMBLY AND DISASSEMBLY 5 2 6 TROUBLE DIAGNOSIS 6 1 6 1 TROUBLE DIAGNOSIS 6 1 6 2 PROBLEM CHECKING AND METHOD OF PCB 6 3 6 3 DETAILED DIAGNOSIS 6 8 7 EXPLOD...

Страница 5: ...MINALS SUB PCB 12 PCB CIRCUIT DIAGRAM 12 1 12 1 PCB CIRCUIT DIAGRAM 12 1 12 2 PCB CIRCUIT DIAGRAM AG KIT 12 2 13 CIRCUIT DESCRIPTIONS 13 1 13 1 OVERALL SYSTEM DIAGRAM 13 1 13 2 AC INPUT POWER CIRCUIT 13 2 13 3 DRIVING SYSTEM CIRCUIT 13 3 13 4 MOTOR CIRCUIT 13 4 13 5 SENSOR DETECTION CIRCUIT 13 5 13 6 MOTOR TACHO INPUT SYSTEM 13 6 13 7 SILVER NANO SYSTEM 13 7 14 REFERENCE INFORMATION 14 1 14 1 MODE...

Страница 6: ...13 1 13 CIRCUIT DESCRIPTIONS 13 1 OVERALL SYSTEM DIAGRAM ...

Страница 7: ...case of supplied or disconnected AC power Description When AC 220V is applied to CN3 D16 D19 transforms it to DC 300V DC 300V is generated for the LVT1 secondary source by IC3 and PC1 turning on off The secondary 12V depends on the ZD1 value The 8V for the LVT1 secondary source is transformed to DC 5V through IC4 ...

Страница 8: ...Description MICOM outputs a high signal of 5V from pin 1 7 Then pin 10 to 16 of IC6 and IC8 are electrically grounded 0V When pin 10 to 16 are grounded this creates an electric potential difference from the 12V that turns on RELAY 5 6 7 and TRIAC2 3 4 5 The operating parts VALVE DRAIN MOTOR DOOR S W connected to CN9 turn on if they are supplied with power ...

Страница 9: ...ded 0V TRIAC1 turns on CN1 detects if the door is locked or unlocked If unlocked it does not apply power to the motor even if TRIAC1 turns on If the door is unlocked and TRIC turns on the motor connected to CN4 is supplied with power and drives CW right direction Under such conditions turning RELAY3 on will drive the motor CCW reverse as the wiring is switched to CCW Turning RELAY4 on will switch ...

Страница 10: ...tub Then the frequency is input to MICOM pin 48 for detecting the water amount The DHSEH sensor is connected to CN7 pin 5 and CN6 pins 3 4 The resistance of the temp sensor changes according to the ambient temperature The changed resistance is applied to R50 and R51 The voltage applied to R50 and R51 is decided according the temp MICOM stores the value When voltage is applied to MICOM pins 22 and ...

Страница 11: ...pin According to the current RPM of the motor a square wave is applied to pin 8 The square wave that is input to TR2 BASE turns the motor on if high 5V and turns it off if low 0V And this operation will be inverted to TACHO NET for a clear wave with no noise The signal is applied to MICOM pin 13 Then MICOM counts the frequency of the input signal and detects the current RPM of the motor ...

Страница 12: ...B output a high signal of 5V Both SIGNAL_A and SIGNAL_B repeat this for 15 seconds outputting a high signal of 5V SIGNAL_A output turns TR1 and TR6 on to generate a potential difference between the 12V and the grounding for causing the current to flow SIGNAL_B output turns TR4 and TR5 on to generate a potential difference between the 12V and the grounding for causing the current to flow The flowin...

Страница 13: ...d spanner 10 13 19 mm Replaceable for the box driver Since the bolt runs idle when the box driver is used use the box driver 17mm 3 Vice pliers Tool to protect the idle and abrasion of the bolt for the box driver 4 Other Driver Nipper Long nose General tools for the after service 5 JIG for the Tub 1 Disassemble and Assemble 5 ASSEMBLY AND DISASSEMBLY 5 1 TOOLS FOR DISASSEMBLY AND ASSEMBLY ...

Страница 14: ... cover through pushing and pulling 3 Then the Water Pressure Sensor Noise Filter and Water Valve can be replaced FRAME FRONT 1 Remove the Top Cover and the Ass y Drawer 2 Remove the two screws on the front of the control panel Warning To avoid risk of electrical shock personal injury or death disconnect the power to the ashing machine sensor pressure noise filter water valve ...

Страница 15: ... Draw the control panel out of the frame front by gripping the left side of the control panel pushing the bottom of the control panel up 5 Cut the cable tie Remove the control panel by disconnecting the connector that connects PCB to the wire harness 6 Remove the cover filter with a flat head crewdriver 7 Remove the Wire Diaphragm from the Frame Front and unseat the Diaphragm 8 Remove the 8 screws...

Страница 16: ...lt is placed on the center of the motor pulley Belt Assembly Hang the belt on the motor pulley before placing it around the pulley MOTOR 1 Remove the wire housing from the motor 2 Remove the bolts holding the motor by using the power screwdriver 3 Remove the motor Water Supply Valve 1 Remove the fixing screws for the water supply valve 2 Disconnect the valve wires 3 Separate the water hoses ...

Страница 17: ...level sensor harness 4 Disconnect the hose pressure 5 Replace the water level sensor Door Hinge 1 Remove the fixing screws holding the Door Glass 2 Separate the glass 3 Remove the screws holding the bracket holder 4 After removing the two screws holding the Holder Glass replace the Door Hinge 5 After putting them back together check if the screws holding the Door Hinge is fastened properly ...

Страница 18: ...the drain pump 4 Disconnect the incoming water hose and the wire harness Caution Check if the unit is plugged out There is possibility of electric shock 5 Separate the Hose Filter Tub and the Drain Hose CHECK POINT 1 Remove the Drain Filter and check if there are foreign substances coin buttons etc blocking inside If so clear the inside 2 Check if the wire harness is connected properly If not conn...

Страница 19: ...d pry up the spring to remove the Spring Diaphragm The Diaphragm could get damaged when taking it out So unseat it in one direction slowly 3 Remove the screws holding the Door S W 4 Take out the Door S W 5 Disconnect the wire connector Press the hook to unlock the tab and plug it out Heater 1 Remove the Frame Front 2 Disconnect the Connector Housing 3 Remove the nut holding the Heater and separate...

Страница 20: ...eater 4 Take out the Heater from the Tub Caution Be sure to insert the Heater into the Bracket in the Tub If not it may cause a fire And make sure to have the Packing seating on its place Fasten the nut with 5Kgf km If the nut is fastened loosely it may cause water leakage ...

Страница 21: ...0125 A0328 R0155 C0002 C0043 C0082 C0075 C0075 C0115 R0036 R0124 A0242 C0058 F0064 D0003 D0001 D0045 D0072 D0081 D0061 D0010 D0048 D0049 R0019 Note RC Recommended NRC Not Recommended in Remark Some parts are classified as RC or NRC due to product quality or other reasons ...

Страница 22: ... SA D0003 DC61 01568A HINGE DOOR WF R106NS ZNDC T3 8 T 1 SA D0010 DC97 11581A ASSY COVER DOOR WF R106NS TD PJT CHINA 1 SA D0048 DC61 01569A BRACKET HINGE WF R106NS SBHG T1 6 1 SA D0049 DC61 01578A BRACKET HOLDER WF R106NS STS T1 2 1 SA D0061 DC61 20207A DOOR GLASS Q1636GW XEU GLASS TRP 1 SA D0072 DC61 00891A GUIDE HINGE HAUZEN DOM POM WHT HI 4 SA F0064 DC97 11031C ASSY FRAME FRONT WF R106N TD PJT ...

Страница 23: ...7 3 7 EXPLODED VIEWS AND PARTS LIST Memo ...

Страница 24: ...7 4 7 EXPLODED VIEWS AND PARTS LIST 7 2 EXPLODED VIEWS OF TUB R0158 R0030 U0029 U0038 I0043 U0355 U0095 U0010 U0015 U0307 U0033 U0328 R0001 U0035 U0030 U0012 U0018 U0355 U0016 U0078 R0007 U0023 ...

Страница 25: ...1 SA U0023 DC61 00201A BRACKET NUT SBHG R P1291 T3 NO PAI 1 SA U0023 DC61 40348B BRACKET NUT SBHG R P1291 T3 NO PAI 2 SA U0023 DC61 40348B BRACKET NUT SBHG R P1291 T3 NO PAI 2 SA U0029 DC64 00374B DOOR DIAPHRAGM F1235 EPDM GRAY S 1 SA U0030 DC61 00365E TUB FRONT R1053 FRPP GR15 JINFA S 1 SA U0033 DC62 00121A HOSE FILTER TUB S1005J EPDM ID65 1 SA U0035 DC62 20311A VANE CHECK SWF P12 EPDM BLK 1 SA U...

Страница 26: ... EXPLODED VIEWS AND PARTS LIST 7 3 EXPLODED VIEWS OF CASE W0004 W0001 R0159 A0115 R0159 Y0040 W0002 I0022 F0027 B0070 U0133 U0133 J0013 R0027 A0025 P0001 R0158 W0032 R0158 R0021 C0117 A0114 A0004 U0359 I0003 ...

Страница 27: ...C31 30008D PUMP DRAIN SW 70XP 220 240V 50Hz SYNCHRO 1 SA P0001 DC97 12939A ASSY COVER TOP WF7452S9R YLP SILVER WF74 1 SA R0021 DC97 08151A ASSY GUIDE WATER J1045A AG ASSY 1 SA R0027 DC97 00731A ASSY SENSOR PRESSURE P1091 S PRE BRAKET 1 SA R0158 DC67 00051D HOSE DRAWER S1093 S6093 EPDM BLK 0 44 SA R0158 DC67 00051G HOSE DRAWER F1045A EPDM ID10 OD16 BL 1 SA R0159 DC61 01279A SPRING HANGER 5 2KG F631...

Страница 28: ...7 8 7 EXPLODED VIEWS AND PARTS LIST Memo ...

Страница 29: ...I 3 SA R0021 DC97 08151A ASSY GUIDE WATER J1045A AG ASSY 1 SA R0147 6011 001421 BOLT FLANGE M7 L61 29 4 ZPC YEL SWRCH1 5 SA U0003 DC60 60044A WASHER PLAIN ID10 5 OD30 T3 STS304 2 SA U0003 DC60 60044B WASHER PLAIN SBC ID8 4 OD30 T3 5 SA U0082 DC62 00116A FILTER NET P1205J EPDM STS304 OD25 ID9 1 SA U0320 6011 001447 BOLT HEX M8 L123 25 ZPC YEL SWRCH18 A W 1 SA U0320 6011 001448 BOLT HEX M8 L170 25 Z...

Страница 30: ...t Location No CODE NO DESCRIPTION SPECIFICATION Q TY SA SNA Remark Z0006 DC97 02412H ASSY BOLT Q1657 1 SA Z0006 DC97 06159B ASSY BOLT F R CWEIGHT BALANCE 1 SA DC97 11381A ASSY HOUISING DRAWER SLIM F R MODEL PP T 1 SA ...

Страница 31: ... CAPACITY 4 5 kg DRY LAUNDRY POWER CONSUMPTION WASHING 220 V 180W 240 V 180W WASHING and HEATING 220 V 1900W 240 V 2200W SPIN MODEL WF7452S9R C WF7450S9C 220 240V 270 W 230 W PUMPING 34 W WATER CONSUMPTION 48 ℓ INTENSIVE COURSE SPIN SPEED MODEL WF7452S9R C WF7450S9C SPEED rpm 1200 1000 PACKAGE Wt PAPER 1 9 kg PLASTIC 0 8 kg Detergent drawer Control panel Door Debris filter Emergency drain Adjustab...

Страница 32: ...E OF PRODUCT ASSY DOOR WATER SUPPLY VALVE AG KIT PCB SENSOR PRESSURE TUB ADJUSTABLE LEG ASSY PUMP POWER CORD BUFFER SPRING WEIGHT BALANCE SHOCK ABSORBER MOTOR BELT PULLEY DRAIN HOSE 2 2 OVERVIEW OF THE WASHING MACHINE ...

Страница 33: ...UPPLY DRAIN All temperatures Drain pump All temperatures Drain pump BALANCER Weight Weight SIZE W x D x H 598 x 404 x 844 598 x 404 x 844 4 5 kg Modle Name WF7452S9R WF452S9C WF7450S9C Exterior Replacement Part Name Specifications Design FRAME Silver Neat White FRAME FRONT Imperial Silver Neat White PANEL CONTROL Black Neat White PANEL DRAWER Decoratioin Door etc 2 3 THE COMPARATIVE SPECIFICATIONS...

Страница 34: ...OF PRODUCT Memo ITEM DESCRIPTION CODE NO Q TY REMARK HOSE WATER C DC62 10289C 1 BOLT SPANGER DC60 40146A 1 CAP FIXER DC61 10688A 5 CAP FIXER DC67 00208A 1 HOSE HANGER DC62 10278A 1 2 4 ACCESSORY AND OPTION SPECIFICATIONS ...

Страница 35: ...g bolts 4 Insert 4 hole cover into each groove for fixing the shipping bolts 1 1 2 Removing the cushion 1 Two persons should take hold of the transport handles located at the back of both sides 2 Place a foot on the cushion Lift up the product to remove the cushion Do not allow consumers to repair the unit themselves as this may cause personal injury or shorten the product s working life Ensure th...

Страница 36: ...e gas is emitted which will freeze the product in winter season Avoid locations close to heat sources such as a stove At least two people are needed to unpack or move the product due to its weight Install the product on a solid and flat surface Avoid places with direct sunlight and humidity for the installation A well ventilated place is a good position for installing the product ...

Страница 37: ... the picture to prevent it from popping up during drainage of water The outlet end of the drain hose must be at least 60 90 cm above the base of the machine Seal the drain pipe connections If not it may cause water leakage y y y Prevent water from siphoning away If the end of the drain hose is put in water it could siphon away water during washing So make sure that the end of the drain hose is not...

Страница 38: ...ng the adjustments y Fastening Nut Adjusting Nut Spanner Driver 3 Adjust the height using the adjustable feet Caution After adjusting the horizontal balance fix the nut tightly so that it doesn t come loose through vibration or noise 1 2 3 Installation Manner 1 Select an installation place in advance The distance between the washing machine and the wall must be at least 10cm y 2 Check the balance ...

Страница 39: ...Housing the line connection the contact point etc while performing the A S This will prevent in advance the danger of fire by Tracking Short Circuits etc 9 Check for traces of water permeation of electrical parts and the Harness If water has permeated any parts already exchange the parts or completely remove the moisture 10 Check the assembly condition of the parts after finishing the A S Maintain...

Страница 40: ...ion will shorten the lifetime of product 18 Ensure that a connector is being used to connect a wire to another wire for a complete connection If it is treated only with tape it may cause fire by tracking 19 If you have to turn the washing machine on its side when performing the A S ensure that it is placed down gently on the ground with support If the washing machine is turned upside down some of ...

Страница 41: ... to cycle through the available spin speed options No spin The laundry remains in the drum without being spun after the final drain Rinse Hold The laundry remains soaking in the final rinse water Before the laundry can be unloaded either Drain or the Spin program must be run 6 Easy Iron button Press the button to reduce the wrinkles after spinning 7 Delay Start selection button Press the button re...

Страница 42: ...again for 2 3 seconds then the lamp lights off and is set off Notice Check out the Child Lock selection button first when no button is activated while the washing machine is working To turn the washing machine off urgently when Child Lock function is working Press and hold down the Start Pause button for 2 3 seconds 10 Fuzzy Control dial Turn the dial to select one of the 15 available wash program...

Страница 43: ...a polyamide Perlon Nylon or similar blends Shirts Shirts to iron Delicate Fabrics Delicate curtains dresses skirts shirts and blouses Hand Wash For Wool Delicate curtains dresses skirts shirts and blouses Hand Wash Only machine washable woolens with pure and wool label Silk Silk shirts blouses dresses etc Quick Lightly soiled cottons or linen blouses shirts dark coloured terry cloth colored linen ...

Страница 44: ...rain 0 01 Spin 1200 1000 0 10 Rinse Spin 1200 1000 0 15 Programme Type of WASH Daily Wash Clothes that are washed frequently Enzyme Stained or heavily soiled laundry activate enzyme that is contained in the washing powders Baby Cotton Averagely or lightly soiled baby chidren cottons bed linen table linen underwear towels shirts etc Mixed load A mix of lightly soiled cottons and synthetic fabrics D...

Страница 45: ...ction selected the operating is finished after last rinse 5 Drain function Drain function is over after pumping out the water for 2 minutes without motor rotating 6 Laundry Level function Laundry Level function can be selected when you choice the Cotton Economy Quick Baby Cotton Intensive Delicate Hand Wash Calm Wash Anti Allergic rinse Prewash Water level reverse time is the same with the selecte...

Страница 46: ...n At the each condition of washing dehydrating rinse dehydrating hydrating bubble detecting function works this function works 5times normally if the function detects bubbles at 6 times the bubble detecting function stops and go on to the next process The bubble detecting function during washing dehydrating to rinse dehydrating after 2 times instant dehydrating and before main dehydrating if the w...

Страница 47: ...c drum rotates at the speed of 98 rpm the sensor decides the degree of laundry unbalance with TACHO data which is attached to motor 5 If the degree of unbalanced laundry is over 6 times to default value laundry balancing system carryies out feed back process 3 times 12 R P M control The rotating motor enables the magnetics i e generator to generate magnetic flux in proportion to r p m magnetic flu...

Страница 48: ...50 Baby Cotton 95 59min 5 5 50 12 8 50 8 12 50 60 12 8 Enzyme 50min 5 5 30 12 8 50 13 4 50 Daily Wash 30min 5 5 50 12 8 50 12 8 50 2 Final dehydrating r p m at each course Course 1st dehydrating 2nd dehydrating RPM Cotton 1 min 52 sec 1 min 35 sec 800 Synthetic 35 sec 800 Shirts 35 sec 800 Delicate 35 sec 800 Quick 35 sec 800 Mixed Load 1 min 35 sec 800 Baby Cotton 1 min 35 sec 800 Enzyme 1 min 35...

Страница 49: ...00 23 60 3 Baby Cotton Washing 23 40 23 95 23 60 3 Rinse 22 70 24 00 23 60 3 Enemzy Washing 23 80 24 30 24 10 3 Rinse 23 20 24 20 24 00 3 Daily Wash Washing 23 80 24 30 24 10 3 Rinse 23 20 24 20 24 00 3 5 The other water level data The water data unter each conditon WF7452S9R C WF7450S9C 1st water supply only preparation 24 80 1st water supply level to washing tub Overflow error 21 00 The water su...

Страница 50: ...ECTOR 6 7 H mm Part No Remark Resistance value 2 08Ω 1 99Ω 38 8Ω 0 39 DC31 00002H Welling HXGP2I Rated value 220 240 V 50Hz 3 5 2 Door safety Device When Door is closed door stay closed if set is operated power supplied to wires have solenoid or bimetal keep the door closed and electronical power flows between and make it operate DC64 00652D NOT USE IN THIS MODEL DC64 00653A WF7452S9R C WF7450S9C ...

Страница 51: ...o washing tub the water supply valve is composed of a cold water valve 2way and water flow per Min in the valve is below Cold water valve 2 way V1 V2 water flow L min 10 ℓ 5 ℓ resistance value 4 2 kΩ 4 2 kΩ power consumption AC 220v 240V 50 60Hz usable water pressure 0 5 8 kg km 3 5 5 Shock absorber and buffer spring This wash machine is equipped with 2 Shock absorbers with same capacity and with ...

Страница 52: ...G A OUT BEARING B OIL SEAL C Assy Tub Back Remark Ø 20 Ø 17 Ø 50 7 DC97 00214T 3 5 7 Assy Drum A C B unit mm A B BUSH SHAFT C Assy Drum Remark Ø 20 Ø 17 Ø 25 DC97 01463Q 3 5 8 Assy pump Drain 1 Capacity AC 230V 34W 2 Location Front bottom R 3 Resistance 160Ω 190Ω ...

Страница 53: ... RPM Notation 800rpm 8 900rpm 9 1000rpm 0 1100rpm 1 1200rpm 2 1300rpm 3 1400rpm 4 1500rpm 5 1600rpm 6 1700rpm 7 S Ag N no Ag R Air Wash T Steam C Ag Air Wash H Ag Steam L Nomal P Air Wash Steam V Ag Air Wash Steam B BLUE C WHITE BODY CHROMED DOOR D BLACK BODY CHROMED DOOR R SILVER BODY CHROMED DOOR S SILVER BODY SILVER SPRAY V WHITE BODY SILVER SPRAY DOOR W WHITE Buyer code BOM Model Code Actual M...

Страница 54: ...ROR OE on the LED 4 THERMISTOR Keeps sensoring and controlling the temperature inside the tube to keep it below your settings 5 ASSY THERMAL FUSE Anti Over Heat When the washing heater is overheated due to an error in the thermistor or any other malfunction the assy thermal fuse built in the heater is automatically activated to disconnect the power for your and the product s safety 6 ASSY MAIN PCB...

Страница 55: ...ith perchloride lighter fuel pure alcohol or R113 only Item may be washed at 40 C Dry clean with aviation fuel pure alcohol or R113 only Item may be washed at 30 C Do not dry clean Item may be hand washed Dry flat Dry clean only Can be hung to dry Can be bleached in cold water Dry on clothes hanger Do not bleach Tumble dry normal heat Can be ironed at 200 C max Tumble dry reduced heat Can be irone...

Страница 56: ... polarized alternating current line plug having one blade wider than the other This plug will fit into the power outlet only one way If you are unable to insert the plug fully into the outlet try reversing the plug If the plug still doesn t fit contact your electrician to replace your outlet Protect the power cord Power supply cords should be routed so that they are unlikely to be walked on or pin...

Страница 57: ...ng the safety device positioned at its rear You are recommended our engineer s inspection if the safety device is removed and there is no foreign material such a coin or pin inside 11 DRUM WASHER a noise A noise being occurred intermittently during dehydrating General consulting Make a comment for the customer to prepare the memorandum since he can not be famaliar with the contents completely Did ...

Страница 58: ...o be washed If it continues you are recommended our engineer s inspection 26 DRUM WASHER power soruce related Being power off frequently AS rerecomm ended It may be occurred in case of the bad contact of button In this case you are recommended our engineer s inspection 27 DRUM WASHER operation related Button being not operated Consulting It may be occurred when the accumualtion of foreign material...

Страница 59: ...mmended our engineer s inspection 42 DRUM WASHER water supply related Cold water being not supplied General consulting Check first whether the water supply is cut and also check whether the foreign material is inserted If the foreign material is inserted turn the connection hose of machine to the left to disconnect and to find the strainer to trap the foreign material 43 DRUM WASHER water supply r...

Страница 60: ...ezed well General consulting It may appear when there are clothes like vinyl f Check whether the vinyl clothes are attached on to the washing tub so as to prevent the immediate the outgoing of the moisture to the outside Otherwise request an engineer s inspection 58 DRUM WASHER dehydrating related Water being in at purchasing AS rerecomm ended There may be remaining water since the products is del...

Страница 61: ...tacho signals are inputted more than 300 every 1sec in the operational interval less than 90rpm this error will Occur Motor traic short error 1 Exchange PBA 2 Exchange motor 3 Exchange Assy wire harness 7E t1 Heat sink temperature sensor error If thermistor is lower than 0 2V or higher than 4 5V this error will occur It will not displayed in normal course but displayed in engineering exam and PCB ...

Страница 62: ...tect circuit worked well 1 Detect the resistance of drainage pump 160 Ω 190 Ω 2 Check if there is frequency out put from water level sensor 3 Is the hose connect well 4 Is the PCB connector connect well De door Door open error The door is unlocked after locking door in 5sec this error will occur Door open Close the door Door lock is damaged Is the winding of the door lock continuous If not change ...

Страница 63: ...d Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd 416 Maetan 3Dong Yeongtong Gu Suwon City Gyeonggi Do Korea 443 742 Printed in Korea P N DC68 02675A 02 URL http itself sec samsung co kr ...

Страница 64: ...10 SCHEMATIC DIAGRAM 10 1 10 SCHEMATIC DIAGRAM 10 1 EMZ NOT USE IN THIS MODEL ...

Страница 65: ...10 SCHEMATIC DIAGRAM 10 2 10 2 ROLD WF7452S9R C WF7450S9C ...

Страница 66: ...atic electricity from the resin part of wash machine or the human body prepare the human body earth or remove the potential difference of the human body and wash machine by contacting the power supply plug when the work contacting to PCB is executed 2 Since AC220 240V is applied to the triac T1 and T2 on P C B the electric shock may occur by touching and be careful that the strong and weak electri...

Страница 67: ...ot found the PCB assembly is out of order Replace it y 5 The drum rotates by one direction during washing The drum rotates to one direction for SPIN The PCB assembly is out of order Replace it Inversion relay open trouble 6 Drainage problem Is the drainage hose bent Is the winding of the drainage pump continuous Is the drain filter clogged by the waste If above points are not found the PCB assembl...

Страница 68: ...D OF PCB 6 2 1 The Part Of Power Source YES The Voltage Of Betweenⓒand ⓓ Is As Big As 12V Check The Condenser CE3 YES NO The Voltage Of Betweenⓔand ⓓ Is As Big As 5V Exchange IC5 7805 And Check The Condenser CE4 NO 6 2 2 Reset Part The Value Of Measurement Result Of Between Micom 8 And Gnd Is 5V Check The Power Source NO YES Check IC7 ...

Страница 69: ...urve Output Of ⓐ Check Power source Check The Micom Number 9 Check PC2 TR4 R54 Check The Part Of Oscillator 6 2 4 Checking The Part Of An Oscillator When The Micom 2 3 Check The Value Is 16Mhz Check Resonator Exchange Micom And Check R42 NO YES YES NO YES NO ...

Страница 70: ...6 5 6 TROUBLE DIAGNOSIS 6 2 5 Check The Part Of Buzzer ⓐ Part Confirm DC12V Check The Part Of Power Source Exchange BUZZER1 Check IC8 R69 R29 YES NO ...

Страница 71: ...eck According To The Some Problem Condition ex When The Drain Is Not Operating But Pump Motor Is Operating Check The 5Voltage Of Micom Micom Number 31 Is 5Voltage Micom Bad The Part Of ⓐ Is 0 Voltage Check The KID65003AP Check R66 TRIAC5 NO YES YES NO Check The Micom 18th In The Above Method When The Cold Water Is Bad ...

Страница 72: ... Spinning Check BD1 TRIAC1 Motor Is Not Turning Right And Left Check RELAY3 RY3 Check The Tacho Part YES NO NO YES 6 2 8 Checking The Tacho Part Is The Rectangular Curve In The Micom 13 Check The Surroundings Circuit And TR5 Exchange The Motor YES NO Have The Motor Turn In Hand ...

Страница 73: ...ck resistance of the Water Valve terminals 3 Drain Pump Check if it drains normally or check the pump terminals Check resistance of the Drain Pump terminals 4 Door S W Check if it works at the Cotton course or check the Door S W terminals Check resistance of the Door S W terminals 5 Heater Check if it works by changing temperatures at the Cotton course Check resistance of the Heater terminals 6 Wa...

Страница 74: ...10 SCHEMATIC DIAGRAM 10 1 10 SCHEMATIC DIAGRAM 10 1 EMZ NOT USE IN THIS MODEL ...

Страница 75: ...10 SCHEMATIC DIAGRAM 10 2 10 2 ROLD WF7452S9R C WF7450S9C ...

Страница 76: ...0125 A0328 R0155 C0002 C0043 C0082 C0075 C0075 C0115 R0036 R0124 A0242 C0058 F0064 D0003 D0001 D0045 D0072 D0081 D0061 D0010 D0048 D0049 R0019 Note RC Recommended NRC Not Recommended in Remark Some parts are classified as RC or NRC due to product quality or other reasons ...

Страница 77: ... SA D0003 DC61 01568A HINGE DOOR WF R106NS ZNDC T3 8 T 1 SA D0010 DC97 11581A ASSY COVER DOOR WF R106NS TD PJT CHINA 1 SA D0048 DC61 01569A BRACKET HINGE WF R106NS SBHG T1 6 1 SA D0049 DC61 01578A BRACKET HOLDER WF R106NS STS T1 2 1 SA D0061 DC61 20207A DOOR GLASS Q1636GW XEU GLASS TRP 1 SA D0072 DC61 00891A GUIDE HINGE HAUZEN DOM POM WHT HI 4 SA F0064 DC97 11031C ASSY FRAME FRONT WF R106N TD PJT ...

Страница 78: ...7 3 7 EXPLODED VIEWS AND PARTS LIST Memo ...

Страница 79: ...7 4 7 EXPLODED VIEWS AND PARTS LIST 7 2 EXPLODED VIEWS OF TUB R0158 R0030 U0029 U0038 I0043 U0355 U0095 U0010 U0015 U0307 U0033 U0328 R0001 U0035 U0030 U0012 U0018 U0355 U0016 U0078 R0007 U0023 ...

Страница 80: ...1 SA U0023 DC61 00201A BRACKET NUT SBHG R P1291 T3 NO PAI 1 SA U0023 DC61 40348B BRACKET NUT SBHG R P1291 T3 NO PAI 2 SA U0023 DC61 40348B BRACKET NUT SBHG R P1291 T3 NO PAI 2 SA U0029 DC64 00374B DOOR DIAPHRAGM F1235 EPDM GRAY S 1 SA U0030 DC61 00365E TUB FRONT R1053 FRPP GR15 JINFA S 1 SA U0033 DC62 00121A HOSE FILTER TUB S1005J EPDM ID65 1 SA U0035 DC62 20311A VANE CHECK SWF P12 EPDM BLK 1 SA U...

Страница 81: ... EXPLODED VIEWS AND PARTS LIST 7 3 EXPLODED VIEWS OF CASE W0004 W0001 R0159 A0115 R0159 Y0040 W0002 I0022 F0027 B0070 U0133 U0133 J0013 R0027 A0025 P0001 R0158 W0032 R0158 R0021 C0117 A0114 A0004 U0359 I0003 ...

Страница 82: ...C31 30008D PUMP DRAIN SW 70XP 220 240V 50Hz SYNCHRO 1 SA P0001 DC97 12939A ASSY COVER TOP WF7452S9R YLP SILVER WF74 1 SA R0021 DC97 08151A ASSY GUIDE WATER J1045A AG ASSY 1 SA R0027 DC97 00731A ASSY SENSOR PRESSURE P1091 S PRE BRAKET 1 SA R0158 DC67 00051D HOSE DRAWER S1093 S6093 EPDM BLK 0 44 SA R0158 DC67 00051G HOSE DRAWER F1045A EPDM ID10 OD16 BL 1 SA R0159 DC61 01279A SPRING HANGER 5 2KG F631...

Страница 83: ...7 8 7 EXPLODED VIEWS AND PARTS LIST Memo ...

Страница 84: ...I 3 SA R0021 DC97 08151A ASSY GUIDE WATER J1045A AG ASSY 1 SA R0147 6011 001421 BOLT FLANGE M7 L61 29 4 ZPC YEL SWRCH1 5 SA U0003 DC60 60044A WASHER PLAIN ID10 5 OD30 T3 STS304 2 SA U0003 DC60 60044B WASHER PLAIN SBC ID8 4 OD30 T3 5 SA U0082 DC62 00116A FILTER NET P1205J EPDM STS304 OD25 ID9 1 SA U0320 6011 001447 BOLT HEX M8 L123 25 ZPC YEL SWRCH18 A W 1 SA U0320 6011 001448 BOLT HEX M8 L170 25 Z...

Страница 85: ...t Location No CODE NO DESCRIPTION SPECIFICATION Q TY SA SNA Remark Z0006 DC97 02412H ASSY BOLT Q1657 1 SA Z0006 DC97 06159B ASSY BOLT F R CWEIGHT BALANCE 1 SA DC97 11381A ASSY HOUISING DRAWER SLIM F R MODEL PP T 1 SA ...

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