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GLMB209DB

GLMB209DS

GLMB209DQ

PLMB209DC

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stored in retrieval systems, or transmitted in
any form or by any means, electronic,
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otherwise, without prior written permission of
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ELECTROLUX

Содержание GLMB209DB

Страница 1: ...G TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY INSIDE FRONT COVER BEFORE SERVICING INSIDE FRONT COVER WARNING TO SERVICE PERSONNEL 1 MICROWAVE MEASUREMENT PROCEDURE 2 FOREWORDANDWARNING 3 PRODUCTSPECIFICATIONS 4 GENERAL INFORMATION 4 OPERATION 6 TROUBLESHOOTINGGUIDE 10 TESTPROCEDURE 11 TOUCH CONTROL PANEL ASSEMBLY 21 COMPONENTREPLACEMENTANDADJUSTMENTPROCEDURE 27 PICTORIALDIAGRAM 34 LSI...

Страница 2: ...e 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 oven prior to release to the owner RD2110U RD8100U BEFORE SERVICING Before servicing an operative unit perform a microwave emiss...

Страница 3: ...en 3 Discharge high voltage capacitor 4 Disconnecttheleadstotheprimaryofthepowertransformer 5 Ensurethattheleadsremainisolatedfromothercomponents and oven chassis by using insulation tape 6 After that procedure reconnect the power supply cord When the testing is completed 1 Disconnectthepowersupplycord andthenremoveouter case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 R...

Страница 4: ... in the center of the oven cavity The water container shall be a low form of 600 ml 20 oz beaker with an inside diameter of approx 8 5 cm 3 1 2 in and made of an electrically nonconductive material such as glass or plastic The placing of this standard load in the oven is important not only to protect the oven but also to insure that any leakage is measured accurately 4 Set the cooking control on F...

Страница 5: ...l shock and microwave radiationhazard WARNING Never operate the oven until the following points are ensured A The door is tightly closed B The door brackets and hinges are not defective C The door packing is not damaged D The door is not deformed or warped E There is not any other visible damage with the oven Servicing and repair work must be carried out only by trained service personnel DANGER Ce...

Страница 6: ...sibilityandobligationofthecustomertocontact SPECIFICATION ITEM DESCRIPTION PowerRequirements 120 Volts 14 3 Amperes 1700 watts 60 Hertz Single phase 3 wire grounded PowerOutput 1200 watts IEC TEST PROCEDURE Operatingfrequencyof2450MHz CaseDimensions Width 24 Height 13 3 8 Depth 19 1 8 Cooking Cavity Dimensions Width 17 3 8 Height 10 1 2 2 0 Cubic Feet Depth 18 5 8 ControlComplement Touch Control S...

Страница 7: ...s The oven will not operate unless the door is securely closed 3 Removable turntable support 4 Removable turntable The turntable will rotate clockwise or counterclockwise 5 Oven lamp It will light when oven is operating or door is opened 6 Oven door with see through window 7 Ventilation openings Rear 8 Auto Touch control panel 9 Time display Digital display 99 minutes 99 seconds 10 Wave guide cove...

Страница 8: ...llowing results The circuits to the turntable motor the cooling fan motor and the high voltage componentsarede energized theovenlampremainson andthedigitalread outdisplaysthetimestillremainingin the cook cycle when the door was opened 7 The monitor switch electrically monitors the operation of theprimaryinterlockswitchandsecondaryinterlockrelay andismechanicallyassociatedwiththedoorsothatitwill fu...

Страница 9: ...wer Cooking Sequence 1 Touch one of the SENSOR pads NOTE The oven should not be operated on sensor immediately after plugging in the unit Wait two minutes before cooking on SENSOR 2 The coil of shut off relay RY 1 is energized the turntablemotorareturnedon butthepowertransformer is not turned on 3 Afterabout16seconds thecookrelay RY 2 isenergized The power transformer is turned on microwave energy...

Страница 10: ...R IMARY INTE R LOCK S WITCH POWE R TR ANS FOR ME R MAGNE TR ON HIGH VOLTAGE CAPACITOR OR G WHT S E CONDARY INTE R LOCK R E LAY OR G B R N OR G OR G R E D R E D GRY G R Y GND WHT F3 F2 F1 S E NS OR RY1 OVE N LAMP R E LAY COM N O HUMIDITY COM N C HIGH VOLTAGE R E CTIFIE R OR G CAVITY TE MPE R ATUR E FUS E 120VAC 60Hz COM R E D R E D WHT WHT WHT WHT B R N WHT WHT WHT OR G R E D WHT WHT GR N N O B2 B1...

Страница 11: ...ION BEFORE REPLACING A BLOWN C T FUSE TEST THE DOOR SENSING SWITCH SEC ONDARY INTERLOCK RELAY RY2 RELAY RY1 PRIMARY INTERLOCK SWITCH AND MONITOR SWITCH FOR PROPER OPERA TION REFER TO CHAPTER TEST PROCE DURE NOTE C T FUSE AND MONITOR SWITCH ARE REPLACED AS AN ASSEMBLY TURNTABLE MOTOR The turntable motor rotates the turntable located on the bottom of the oven cavity so that the foods on the turntabl...

Страница 12: ... BA019 KIT as an assembly IMPORTANT Whenever troubleshooting is performed with the power supply cord disconnected It may in some cases be necessary to connect the power supply cord after the outer case has been removed in this event 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Disconnect the leads to the primar...

Страница 13: ... load Food incompletely cooked or not cooked at all at end of cook cycle Oven goes into a cook cycle but extremely uneven heating is pro duced in oven load food Oven does not cook properly when programmed for Cooking Power P 50 mode Operates properly on Cooking P HI HIGH mode Oven goes into COMPU DEFROST but food is not defrosted well AH sensor does not end during sensor cooking condition Oven doe...

Страница 14: ...e fitted HIGHVOLTAGESAREPRESENTDURINGTHECOOKCYCLE SOEXTREMECAUTIONSHOULDBE OBSERVED Power output of the magnetron can be measured by performing a water temperature rise test This test shouldonlybeusedifabovetestsdonotindicateafaultymagnetronandthereisnodefectinthefollowing componentsorwiring siliconrectifier highvoltagecapacitorandpowertransformer Thistestwillrequire a 16 ounce 453cc measuring cup...

Страница 15: ...ration of control unit Check for restricted air flow through the vent holes of the oven cavity especially the cooling fan and air guide 5 Reconnect all leads removed from components during testing 6 Reinstall the outer case cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and check all functions C T FUSE TEST 1 Disconnect the power supply cord and then rem...

Страница 16: ...n position and the door is closed the cooling fan turntable and oven light will be activated by RY1 SECONDARYINTERLOCKRELAY RY2 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Disconnecttwo 2 wireleadsfromthemaletabterminalsoftheSecondaryInterlockRelay Checkthe state of the relay contacts using a ohmmeter The rela...

Страница 17: ...r pad two figures or more are displayed c When touching the pads sometimes a pad produces no signal I TOUCH CONTROL PANEL ASSEMBLY TEST 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Before performing this test make sure that the primary interlock switch and the secondary interlock relay are operating properly ac...

Страница 18: ...econnect the power supply cord after the outer case is installed 8 Run the oven and check all functions 4 When testing is completed 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Reconnect all leads removed from components during testing 5 Re install the outer case cabinet 6 Reconnect the power supply cord after ...

Страница 19: ... indicate 120 volts if not check oven circuit RY1 and RY2 Relay Test These relays are operated by D C voltage Check voltage at the relay coil with a D C voltmeter during the microwave cooking operation DC voltage indicated Defective relay DC voltage not indicated Check diode which is connected to the relay coil If diode is good control unit is defective RELAY SYMBOL OPERATIONAL VOLTAGE CONNECTED C...

Страница 20: ... FOIL PATTERN ON THE PRINTED WIRING BOARD TEST RY2 VRS1 L1 J1 a b c d 2 Followthetroubleshootingguidegivenbelow ifindicatordoesnotlightupafterabovecheckandrepairs are finished 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that these leads rema...

Страница 21: ...CK once and the POWER LEVEL pad twice Close the door and touch the STARTpadonce Openthedoorandtouchthenumberpads1onceandthenumberpad4once Close the door and touch the START pad Now the oven is in the sensor cooking condition and AH20 SENSOR and COOK will appear in the display N AH SENSOR TEST 5 The oven will operate for the first 16 seconds without generating microwave energy NOTE ERRORwillappeari...

Страница 22: ...el is in the sensor cooking operation 9 3 After approximately 25 seconds push plunger of select switch for more than 3 seconds This condition is same as judgement by AH sensor 9 4 After approximately 3 seconds the display shows X X X X which is the time for detecting moisture If the above is not the case the control unit is probably defective If the above is proper the AH sensor is probably defect...

Страница 23: ...ttingdiodesLD1 LD4 9 Absolute Humidity Sensor Circuit This circuit detects moisture of the cooking food to allow its automatic cooking TOUCHCONTROLPANELASSEMBLY OUTLINEOFTOUCHCONTROLPANEL The touch control section consists of the following units 1 Key Unit 2 Control Unit The Control Unit consists of Power Unit and LSI Unit Theprincipalfunctionsoftheseunitsandthesignalscommu nicated among them are ...

Страница 24: ...sed for initial balancing of the bridge circuit absolute humidity sensor 16 P52 OUT Oven lamp fan motor and turntable motor driving signal To turn on and off shut off relay RY1 The square waveform voltage is delivered to the RY1 driving circuit and RY2 control circuit 17 P51 OUT Used for initial balancing of the bridge circuit absolute humidity sensor 18 P50 OUT Magnetron high voltage circuit driv...

Страница 25: ...signal is input to P70 P71 P41 P45 P47 and AN3 terminal while one of G7 line keys on key matrix is touched 35 P25 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to P70 P71 P41 P45 P47 and AN3 terminal while one of G6 line keys on key matrix is touched 36 P24 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to P70 P71 P41 P45 P47 a...

Страница 26: ...EG 20 SEG10 62 SEG 10 SEG21 51 SEG 21 73 VCC IN Power source voltage GND 0V 74 VREF IN A D converter power source voltage GND 0V The power source voltage to drive the A D converter Connected to GND 75 AVSS IN A D converter power source voltage 5 0V The power source voltage to drive the A D converter 76 COM3 OUT Common data signal Connected to LCD signal COM0 77 COM2 OUT Common data signal Connecte...

Страница 27: ... to change the resistance values in parallel with R98 R102 Changing the resistance values results in that there is the same potential at both F 3 terminal of the absolute humidity sensor and AN0 terminal of the LSI The voltage of AN1 terminalwillindicateabout 2 5V Thisinitialbalancingis setupabout16secondsaftertheunitisputintheSensor Cooking mode As the sensor cooking proceeds the foodisheatedtoge...

Страница 28: ... of the touch control panel then it is possible to check and repair the controls of the touch control panel it is also possible to check the sensor related controls of the touch control panel by using the dummy resistor s 3 Servicing Tools Toolsrequiredtoservicethetouchcontrolpanelassembly 1 Solderingiron 30W Itisrecommendedtouseasolderingironwithagrounding terminal 2 Oscilloscope Singlebeam frequ...

Страница 29: ...he power supply cord 2 Make sure that a definite click can be heard when the microwave oven door is unlatched Hold the door in a closed position with one hand then push the door open button with the other this causes the latch leads to rise it is then possible to hear a click as the door switches operate 3 Visuallycheckthedoorandcavityfaceplatefordamage dents cracks signs of arcing etc Carry out a...

Страница 30: ...lament lead short one of the power transformer from the high voltage capacitor 7 Remove one 1 screw holding capacitor holder with the high voltage rectifier to the base plate 8 Disconnect rectifier terminal from capacitor High voltage rectifier assembly is now free 9 Remove capacitor holder Capacitor is now free CAUTION WHEN REPLACING HIGH VOLTAGE RECTI FIER AND HIGH VOLTAGE CAPACITOR GROUND SIDE ...

Страница 31: ...ge high voltage capacitor 4 Disconnect the wire leads from panel components 5 Remove the one 1 screw holding the control panel assembly to the oven cavity front plate 6 Slide the control panel assembly upward and remove it 7 Now individual components can be removed NOTE 1 Beforeattachinganewkeyunit wipeoff remaining adhesive on the control panel frame surfaces completely with a soft cloth soaked i...

Страница 32: ...the control panel frame by rubbing with a soft cloth not to scratch 7 Remove the backing paper from the new graphic sheet 8 Adjust the upper edge and right edge of the graphic sheet to the large depression on the surface of the control panel frame 9 Attach the graphic sheet to the control panel frame by rubbing with a soft cloth not to scratch 10 Attach the ribbon cable to the control panel frame ...

Страница 33: ...stalled because the bracket may be disfigured Make sure that the fan blade rotates smooth after installation Make sure that the axis of the shaft is not slanted 5 Install the fan motor to the oven cavity back plate with the two 2 screws 6 Connect the wire leads to the fan motor referring to the pictorialdiagram DOORSENSINGSWITCH PRIMARYINTERLOCKSWITCHANDMONITORSWITCHREMOVAL 1 Disconnect the power ...

Страница 34: ...d loosen screw and adjust the latch hook position After adjustment check the following 1 In and out play of door remains less than 0 5mm when in the latched position First check upper position of latch hook pushingandpullingupperportionofdoortowardthe oven face Then check lower portion of the latch Figure C 3 Latch Switch Adjustments hook pushingandpullingupperportionofdoortowardthe oven face Both...

Страница 35: ... meter should be used to assure compliance with proper microwave radiation emission limitation standards After any service make sure of the following 1 Doorlatchheadssmoothlycatchlatchhookthroughlatch holes and that latch head goes through center of latch hole 2 Deviation of door alignment from horizontal line of cavity face plate is to be less than 1 0mm 3 Doorispositionedwithitsfacepressedtoward...

Страница 36: ...TOR POWER TRANSFORMER COM NO NOTE The neutral WHT GRY wire must be connected to the terminal with N mark on the power supply cord RED WHT BRN RED WHT WHT ORG WHT RED PNK GRN GRN to Oven cavity WHT WHT WHT WHT RED WHT CAVITY TEMP FUSE FAN MOTOR C T FUSE RED RED WHT GRY WHT GRN ORG ORG RY2 RY1 SECONDARY INTERLOCK RELAY T1 1 2 POWER UNIT H N NOTE The grounding conductor of the power supply cord has b...

Страница 37: ...35 GLMB209DB GLMB209DS GLMB209DQ PLMB209DC 6 4 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H Figure S 3 Control Unit Circuit ...

Страница 38: ... F G H A B C D E F G H Figure S 5 Printed Wiring Board of Power Unit RY1 RY2 E C B E C B E C B VRS1 L1 D7 D3 P S D4 C2 D1 C1 D2 R8 R7 R2 R4 Q3 Q4 SP1 T1 D6 DZ1 WH 2 WH 2 LED Q2 D5 D8 D30 1 2 J1 J6 J2 J5 R5 C4 C5 CN B CN F 1 2 3 C10 DIP CHIP SIDE R90 J3 D31 R3 R6 E B 1 1 2 2 Q1 ...

Страница 39: ...b assembly GLMB209DQ 1 AN 18 PSHEPB173MRR0 Graphic sheet assy GLMB209DB PLMB209DC 1 AS 18 PSHEPB174MRR0 Graphic sheet assy GLMB209DS 1 AS 18 PSHEPB175MRR0 Graphic sheet assy GLMB209DQ 1 AS 19 JBTN B180MRT0 Open button GLMB209DB 1 AM 19 JBTN B181MRT0 Open button GLMB209DS 1 AM 19 JBTN B182MRT0 Open button GLMB209DQ 1 AM 19 FDECAB051MRK0 Open button PLMB209DC 1 AM 20 MSPRCA045WRE0 Open button spring...

Страница 40: ...or glass stopper 1 AX 51 XEPSD30P06XS0 Screw 1 AX MISCELLANEOUS 52 FW VZB217MRE0 Main wire harnes 1 AT 53 FROLPB025MRK0 Turntable support 1 AN 54 NTNT A099WRE0 Turntable tray 1 AM 55 TCAUAB050MRR0 Monitor caution label 1 AA 56 TCAUAB048MRR0 DHHS Screw caution label 1 AB 57 TINSEB383MRR0 Operation manual 1 AD 58 QW QZB016MRE0 High voltage wire A 1 AC SCREWS NUTSANDWASHERS 59 LX BZA041WRE0 Special s...

Страница 41: ... 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H OVEN AND CABINET PARTS 15 34 56 4 33 39 63 60 12 36 54 53 13 63 9 37 60 60 30 10 7 61 63 64 64 29 66 8 62 6 6 31 59 28 1 2 14 14 14 14 62 62 38 62 55 11 65 68 65 67 67 68 63 5 3 32 7 4 5 62 40 35 ...

Страница 42: ...B209DC 6 4 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H CONTROL PANEL PARTS Actual wire harness may be different from illustration 58 52 18 22 21 20 19 25 23 16 17 24 48 47 46 45 49 26 44 43 42 50 27 51 41 DOOR PARTS MISCELLANEOUS ...

Страница 43: ...MB209DC PACKING AND ACCESSORIES DOOR PROTECTION SHEET PLASTIC BAG PACKING CASE TOP PAD ASSEMBLY INTO THE OVEN CAVITY 54 TURNTABLE TRAY 57 OPERATION MANUAL BOTTOM PAD ASSEMBLY 53 TURNTABLE SUPPORT INSIDE OF THE OVEN Non replaceable items ...

Страница 44: ...ROLUX HOME PRODUCTS INC ALL RIGHTS RESERVED Nopartofthispublicationmaybereproduced stored in retrieval systems or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise withoutpriorwrittenpermissionof thepublisher ELECTROLUX ...

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