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8-3

#EV#

* 07

* 07

2004

2004

2000

2002

2381

2381

2006

2006

2008

W130

W105

W138

2008

* Check the
   Serial No.

* Check the
   Serial No.

CONTROLLER PARTS

FOR MODEL: AMV6177AAB

AMV6177AAQ
AMV6177AAW

FOR MODEL: AMV6177AAS

Check the rating label of 

Model

and order SVC parts according to
the 

Serial No.

Serial No.

11

Содержание AMV6177AAB

Страница 1: ...삼 흥 정 판 Microwave Oven Service Manual AMV6177AAB AMV6177AAQ AMV6177AAS AMV6177AAW CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Страница 2: ...alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A Microwave leakage check to verify compliance with the Federal performance standard should be performed on each ove...

Страница 3: ... 6 1 SERVICE INFORMATION 7 1 PRECAUTIONS AND REPAIR SERVICE TIPS 7 1 MICROWAVE LEAKAGE TEST 7 2 POWER OUTPUT MEASUREMENT 7 3 DISASSEMBLY INSTRUCTIONS 7 4 INTERLOCK SYSTEM 7 12 INTERLOCK CONTINUITY TEST 7 14 TEST AND CHECKOUT PROCEDURES AND TROUBLE SHOOTING 7 15 A TEST PROCEDURES 7 15 B CHECKOUT PROCEDURES 7 19 C TROUBLE SHOOTING 7 22 EXPLODED VIEW 8 1 REPLACEMENT PARTS LIST 9 1 FOREWORD Read this ...

Страница 4: ...en Cavity Thermostat Open at 145 C 6 C Fuse 20A Primary Interlock Switch Secondary Interlock Switch Interlock Monitor Magnetron 2M246 21CT High Voltage Capacitor Capacitor 1 0µF 2 1 KV AC High Voltage Diode Diode 350mA 9 0 KV Cook top Lamp 125 V 20 W Cavity Lamp 125 V 20 W Timer Digital up to 99 mim 99 sec in each cooking stage Tray Tempered Safety Glass Overall Dimensions 2915 16 W x167 16 D x153...

Страница 5: ... operation of the microwave oven requires that the magnetron be assembled to the waveguide and cavity Never operate the magnetron unless it is properly installed Be sure that the magnetron gasket is properly installed around the dome of the tube whenever installing the magnetron 2 1 CAUTIONS Unlike other appliances the microwave oven is high voltage and high current equipment Though it is free fro...

Страница 6: ...the event of an electrical short circuit grounding reduces the risk of electrical shock The plug must be plugged into an outlet that is properly installed and grounded 3 1 INSTALLATIONS BEFORE YOU BEGIN READ THE FOLLOWING INSTRUCTIONS COMPLETELY AND CAREFULLY CAUTION This unit is equipped with a 3 prong plug for your safety If the wall outlet is a grounded 3 hole type the unit will be grounded aut...

Страница 7: ...4 1 OPERATING INSTRUCTIONS CONTROL PANEL For Model AMV6177AAB AMV6177AAQ AMV6177AAS AMV6177AAW ...

Страница 8: ... weight combination cooking 13 AUTO BROIL Touch this pad when setting weight broil cooking 14 SOFTEN Touch this pad to soften Butter Ice Cream Cream Cheese or Frozen Juice 15 MELT Touch this pad to melt Butter Chocolate Cheese Marshmallow 16 Add 30 SEC Touch this pad to set and start quickly at 100 power level 17 NUMBER Touch number pads to enter cooking time power level quantities weights or cook...

Страница 9: ...5 1 OVERALL CIRCUIT DIAGRAM SCHEMATIC DIAGRAM I Check the Model No For Model AMV6177AAB AMV6177AAQ AMV6177AAS AMV6177AAW ...

Страница 10: ...the Model No ADD Noise filter DISPLAY ERROR MODE F1 THERMISTOR OPEN F2 THERMISTOR SHORT FOR COOKING F3 THERMISTOR SHORT AFTER COOKING F4 SENSOR OPEN F5 DAMPER SWITCH SENSING ERROR For Model AMV6177AAB AMV6177AAQ AMV6177AAS AMV6177AAW ...

Страница 11: ...5 3 MATRIX CIRCUIT FOR TOUCH KEY BOARD For Model AMV6177AAB AMV617AAQ AMV6177AAS AMV6177AAW ...

Страница 12: ...light comes on The unit will begin cooking and the display window will show the time counting down by seconds D After about 5 minutes make sure the primary interlock switch the secondary interlock switch and the interlock monitor switch operate properly by opening and closing the door several times Touch the START key each time the door is closed E Continue operating the unit Four long beep sound ...

Страница 13: ... All service adjustments should be made for minimum microwave energy leakage readings 3 Do not operate the unit until it is completely repaired if any of the following conditions exist The unit must not be operated a The door does not close firmly b The hinge is broken c The door seal is damaged d The door is bent or warped or there is any other visible damage on the unit that may cause microwave ...

Страница 14: ...icrowave oven should not exceed 4 mW cm2 Always start measuring of an unknown field to assure safety for operating personnel from radiation leakage EQUIPMENT TESTER VOLTS DC AC Ohmmeter Microwave survey meter Holaday HI 1500 HI 1501 Narda 8100 8200 600 cc non conductive material beaker glass or plastic inside diameter approx 8 5 cm 31 2 in Glass thermometer 100 C or 212 F 1 deg scale MEASURING MIC...

Страница 15: ...etermining that all parts are in good condition functioning properly and genuine replacement parts which are listed in this manual have been used 3 At least once a year have the electromagnetic energy leakage monitor checked for calibration by its manufacturer 7 3 1 Microwave power output measurement is made with the microwave oven supplied at its rated voltage and operated at its maximum microwav...

Страница 16: ...Y SWITCHES AND HIGH VOLTAGE CIRCUIT A REMOVING POWER AND CONTROL CIRCUIT BOARD Figures 1 2 and 3 1 Remove a screw securing the control panel assembly to the oven cavity 2 Remove the control panel with pushing it upward 3 Remove the three connectors CN1 CN2 CN4 CN5 and wire leads Relay8 Relay10 Relay11 from the circuit board 4 Remove 3 screws securing the circuit board 5 Remove the FPC connector fr...

Страница 17: ...CONNECTOR Follow the steps below as illustrated in Figures 6 and 7 to insert the F P C connector 1 Insert the F P C connector into the terminal socket securely with the fingers 2 Hold the plastic fastener with thumb and forefinger of the other hand and push it slowly into the terminal socket Figure 6 NOTE When reconnecting the F P C connector make sure that the holes on the F P C connector are pro...

Страница 18: ...he screws 1 or 2 screws securing it to the out case 4 Remove two screws on the left central edge and one screws on the right central edge of Base plate Remove the Mount All from the out case by removing one screw securing it to the out case 5 Remove the outcase with disconnecting power cord connector 7 6 Vent Grille Controller 3 screws Door Mounting Plate 1 or 2 screws Out Case Mount All Figure 8 ...

Страница 19: ...rd Primary Interlock Switch Interlock Monitor Switch Secondary Interlock Switch Latch Board BK CN1 RD Oven TCO RD H V Transformer WH from Convection Heater Primary Interlock Switch Monitor Interlock Switch Secondary Interlock Switch PK from P C B GN from P C B WH from H V Transformer RD BK from H V Transformer fmn H V Transformer Grill Heater Figure 9 Figure 10 WIRE COLOR SYMBOL COLOR WH BK BR RD ...

Страница 20: ...ts or it may be damaged When replacing the magnetron be sure to install the magnetron gasket in the correct position and be sure that the gasket is in good condition After replacing the magnetron check for microwave energy leakage with a survey meter Check microwave energy leakage must be below the limit of 5 mW cm2 All service adjustments should be made for minimum microwave energy leakage readin...

Страница 21: ...hat the primary interlock switch the secondary interlock switch and the interlock monitor switch is in good operating normally After replacing the door check for microwave energy leakage with a survey meter Microwave energy leakage must be below the limit of 5mW cm2 With a 275 ml water load G DISASSEMBLING DOOR Figure 17 1 Remove the dielectric choke by using knife blade or small screw driver etc ...

Страница 22: ... 19 a 3 Carefully pull the ventilation motor ASS Y out of the microwave oven See Figure 19 b J REPLACING THE HUMIDITY SENSOR For sensor model only 1 Remove the sensor by removing two screws securing it to the air duct See Figure 19 c 2 Mount the new humidity sensor to the air duct K REMOVING GRILL HEATER Figure 20 1 Remove the out case 2 Remove the air duct by removing six screws securing it to th...

Страница 23: ...or not the wires when removing M REMOVING CONVECTION HEATER AND THERMISTOR Figure 23 1 Remove the out case 2 Remove the air duct by removing six screws securing it to the oven front plate guide air and glasswool L cover 3 Disconnect the wire leads of air duct 4 Remove the magnetron 5 Remove the latch board assembly 6 Remove the bottom plate by removing four screws 7 Remove the four net screws secu...

Страница 24: ...ment of the latch board may not be necessary Go to Steps 5 and 6 to check the sequence of the switches NOTE To correct sequence of the Primary Interlock Switch Secondary Interlock Switch and the Interlock Monitor Switch is very important If any gap is larger than 1 64 0 5 mm you will need to adjust the latch board Go to step 3 and follow all steps in order ADJUST THE LATCH AND SWITCH CLOSING 3 Loo...

Страница 25: ... the body of the switches in the following sequence Interlock Monitor Switch Secondary Interlock Switch Primary Interlock Switch NOTE The Interlock Monitor Switch is an added safety check on the Primary and Secondary Interlock Switches If the Primary and Secondary Interlock Switches allow the oven to operate with the door open the Monitor Switch will blow the fuse 7 When you achieve the proper seq...

Страница 26: ...sed circuit When the secondary switch operation is abnormal make the necessary adjustment or replace the switch only with the same type of switch C MONITOR SWITCH TEST Disconnect the wire lead from the monitor switch Connect the ohmmeter leads to the common COM and normally closed NC terminals of the switch The meter should indicate closed circuit in the door open condition When the door is closed...

Страница 27: ...RMER Wire leads are removed 1 Remove wire leads Install the magnetron seal in the correct position Check that the seal is in good condition 2 Measure resistance ohm meter scale Rx1 Filament terminal 3 Measure resistance ohm meter scale Rx1000 Filament to chassis 1 Remove wire leads 2 Measure resistance ohm meter scale Rx1 Primary winding Secondary winding Filament winding 3 Measure resistance ohm ...

Страница 28: ... ohm meter scale Rx1000 Ohm meter 1 Measure continuity Reverse ohm meter scale Rx1000 Ohm meter 1 Remove wire leads 2 Measure resistance ohm meter scale Rx1 Normal Momentarily indicates several ohm and then gradually returns to infinite Normal Infinite Normal Continuity Abnormal Infinite Normal Infinite Abnormal Continuity Normal Approximately Abnormal Infinite or several Figure 25 a Figure 25 b F...

Страница 29: ...plastic fastener MATRIX CIRCUIT FOR TOUCH KEY BOARD CONNECTOR KEY CON 1 Remove the 3 pin connector from PCB 2 Measure resistance across pins 1 2 3 Across pins 2 3 ohm meter scale Rx1 Normal Approximately at 68 35 F Abnormal Infinite or several FPC CONNECTOR Top Resistance value When touched Less than 400 ohms When not touched More than 1 mega ohm For Model AMV6177AAB AMV6177AAQ AMV6177AAS AMV6177A...

Страница 30: ...cale Rx1 1 Remove wire leads 2 Measure resistance ohm meter scale Rx1000 1 Remove the connector from PCB 2 Measure resistance across pins 1 3 ohm meter scale Rx1 Normal Approximately Abnormal Infinite or several Normal Approximately 25 to 45 ohm Normal Approximately 3 to 4 Kohm Abnormal Infinite or several Normal Approximately 250 to 350 Kohm at 68 35 F Abnormal Infinite or several Fan 35 55 ohm D...

Страница 31: ... the interlock monitor switches are adjusted or replaced 7 19 COMPONENTS TEST PROCEDURES RESULTS RELAY 8 RELAY 10 11 1 Measure continuity ohm meter scale Rx1 2 Remove the lead wires and operate oven at power level 1 through power level 10 1 Measure continuity ohm meter scale Rx1 2 Remove the lead wires and operate oven at Convection Cooking POWER LEVEL 1 2 3 4 5 6 7 8 9 10 4 sec 6 sec 8 sec 10 sec...

Страница 32: ...ll operate Replace the circuit board Replace RELAY1 NO NO YES YES GOOD Defective RELAY1 PROBLEM B FAN motor and oven lamp turn on When the door is closed and START key is touched Measure the voltage at pin NO 35 of U01 Voltage reading 0 Vdc 10 of U03 Voltage reading about 15V Replace the circuit board Defective RELAY1 or poor connection of RELAY1 Replace RELAY1 or correct the connection YES NO NO ...

Страница 33: ...operates 3 Proper temperature measurement is not obtained 4 The buzzer does not sound or continues to sound 5 Some segments of one or more digits do not light up or they continue to light up or segments light when they should not 6 Wrong figures appear 7 The figures of all digits 8 Some of the indicators do no flicker light up 9 The clock does not keep time properly 7 21 NOTE A MICROWAVE ENERGY LE...

Страница 34: ...hru E BUZZER Problems F PROBLEM A PLEASE SET TIME OF DAY does not appear in display window when power supply cord is plugged into wall outlet PROBLEM B Display does not show correct numbers and or correct indications when programmed Check 1 POWER SUPPLY 2 FUSE See CHECKOUT PROCEDURES FOR FUSE BLOWING on page 7 18 3 OVEN CAVITY THERMOSTAT 1 1 ...

Страница 35: ...EM C Display does not start countdown when START key is touched Check 1 TOUCH KEY BOARD START KEY FUNCTION Check 1 AIR VENTS 1 1 PROBLEM D Unit operation seems to be normal but no heating is produced in oven load ...

Страница 36: ...7 24 PROBLEM E Unit does not heat up even if display counts down when START key is touched for HIGH POWER cooking Check 1 PRIMARY AND SECONDARY INTERLOCK SWITCHES 2 THERMOSTAT 1 2 ...

Страница 37: ...7 25 PROBLEM F No buzzing when touching the key between stages or at end of cooking 1 ...

Страница 38: ...7 26 PROBLEM G Ventilation fan does not operate when FAN HIGH LOW key is touched 1 Check 1 POWER SUPPLY 2 FUSE ...

Страница 39: ...6 W150 W109 1007 1008 1003 1381 1000 1008 1004 W106 1009 W105 1011 1007 1006 1009 W105 EXPLODED VIEW DOOR PARTS FOR MODEL AMV6177AAB AMV6177AAQ AMV6177AAW FOR MODEL AMV6177AAS Serial Number ldentification Figure Check First Second ex 1 0 ...

Страница 40: ...006 2008 2018 W130 W105 W138 2008 2018 Check the Serial No Check the Serial No CONTROLLER PARTS FOR MODEL AMV6177AAB AMV6177AAQ AMV6177AAW FOR MODEL AMV6177AAS Check the rating label of Model and order SVC parts according to the Serial No Serial No 10 ...

Страница 41: ...006 2006 2008 W130 W105 W138 2008 Check the Serial No Check the Serial No CONTROLLER PARTS FOR MODEL AMV6177AAB AMV6177AAQ AMV6177AAW FOR MODEL AMV6177AAS Check the rating label of Model and order SVC parts according to the Serial No Serial No 11 ...

Страница 42: ...108 W108 3031 3001 3103 3029 3005 W178 W202 3024 3010 W138 W138 W142 For Model AMV6177AAB AMV6177AAS For Model AMV6177AAW AMV6177AAQ W142 3026 3011 3025 W121 3006 3032 W105 3009 3045 3037 6000 OVEN CAVITY PARTS ...

Страница 43: ...8 5 EV 4001 4000 4002 W111 4003 4002 4004 LATCH BOARD PARTS ...

Страница 44: ... 5007 W101 W109 5035 W101 5404 4009 W121 5068 W105 5705 5019 W123 W123 5409 3008 5024 5062 5407 W125 W124 W124 W141 W141 5403 3206 3207 5021 5029 5049 5008 W109 W109 W109 5023 W121 W121 W105 9001 9002 5028 W150 W105 W108 5402 5411 W121 3208 5401 5039 W105 INTERIOR PARTS I ...

Страница 45: ...9 5011 3033 5037 3027 5410 W150 5016 3051 5006 5010 5001 5017 W105 5014 W101 W109 W150 W109 W109 Check the Serial No Check the Serial No INTERIOR PARTS II I Check the rating label of Model and order SVC parts according to the Serial No Serial No 10 ...

Страница 46: ...037 3027 5410 W150 5016 3051 5006 5010 5001 5041 W144 5014 W101 2018 W109 W150 W109 W109 Check the Serial No Check the Serial No Check the Serial No INTERIOR PARTS II II Check the rating label of Model and order SVC parts according to the Serial No Serial No 11 ...

Страница 47: ...8 9 EV VINYL BAG 6011 6009 6010 6008 INSTALLATION PARTS ...

Страница 48: ...Printed in Korea P NO 3828W5S4606 ...

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