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MICROWAVE OVEN

SERVICE

Manual

MICROWAVE OVEN

FEATURES

1. Cost Reduction for 0.8 cu.ft of Volume

2. Competitive Price

BASIC : GE87W

MODEL : MW87W-S

MODEL CODE : MW87W-S/XEG

Refer to the service manual in the itself (http://itself.sec.samsung.co.kr/) for the more information.

Содержание GE87W

Страница 1: ... MICROWAVE OVEN FEATURES 1 Cost Reduction for 0 8 cu ft of Volume 2 Competitive Price BASIC GE87W MODEL MW87W S MODEL CODE MW87W S XEG Refer to the service manual in the itself http itself sec samsung co kr for the more information ...

Страница 2: ... 10 4 6 3 Removal of Key Module 10 5 Alignment and Adjustments 11 5 1 High Voltage Transformer 11 5 2 Low Voltage Transformer 11 5 3 Magnetron 11 5 4 High Voltage Capacitor 12 5 5 High Voltage Diode 12 5 6 Main Relay and Power Control Relay 12 5 7 Adjustment of Primary Switch Door Sensing Switch and Monitor Switch 12 5 8 Output Power of Magnetron 13 5 9 Microwave Heat Distribution Heat Evenness 13...

Страница 3: ...ction within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper 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...

Страница 4: ...s while repairing an MWO 11 To avoid any possible radiation hazard replace parts in accordance with the wiring diagram Also use only the exact replacements for the following parts Primary and secondary interlock switches interlock monitor switch 12 If the fuse is blown by the Interlock Monitor Switch Replace all of the following at the same time Pri mary door sensing switch and power relay as well...

Страница 5: ...The high voltage capacitor remains charged about 30 seconds after disconnection Short the nega tive terminal of the high voltage capacitor to to the oven chassis Use a screwdriver 3 High voltage is maintained within speciﬁed limits by close tolerance safety related components and adjustments If the high voltage exceeds the speciﬁed limits check each of the special compo nents H V Diode H V Capacit...

Страница 6: ...ntable Turntable Door Open Mehtod Handle Handle Oven Tray Glass 288mm Glass 288mm Oven Material Enamel Enamel Cavity Structure 4 Pieces 4 Pieces Control Mehtod Tact Tact Power Level 6 Level 6 Level Weight Net 13 5kg 13 5kg Weight Gross 15kg 16 5kg Loading Q ty 40ft 737 Sets 40ft 737 Sets 40ft General Input Voltage 230V 230V Input Hertz 50Hz 50Hz Input Power 1250 1300 High frequency Level 850W 850W...

Страница 7: ... 4 3 Operating Instructions 1 2 3 7 4 8 9 6 10 11 5 3 1 Control Panel ...

Страница 8: ... 5 VENTILATION HOLES LIGHT DOOR LATCHES HANDLE DOOR COUPLER ROLLER RING SAFETY INTERLOCK HOLES TURNTABLE 275mm 489mm 342mm 401 5mm 206mm 3 2 Features External Views ...

Страница 9: ...Accessory Description Code No Q ty Coupler DE68 00140A 1 Roller ring DE97 00193B 1 Turntable DE74 20102E 1 Depending on the model that you have purchased you are supplied with several accessories that can be used in a variety of ways ...

Страница 10: ...d NOTE 2 When replacing the magnetron be sure to remount the magnetron gasket in the correct position and make sure the gasket is in good condition 1 Discharge the high voltage capacitor 2 Disconnect all the leads 3 Remove the mounting bolts 4 Reconnect the leads correctly and ﬁrmly PRECAUTION Servicemen should remove their watches when ever working close to or replacing the magnetron PRECAUTION T...

Страница 11: ...agile Then remove the door assembly 4 3 2 Removal of Door E Following the procedure as shown in the ﬁgure insert and bend a thin metal plate between Door E and Door A until you hear the tick sound Insertion depth of the thin metal plate should be 0 5mm or less 4 3 3 Removal of Key Door Spring Remove pin hinge from Door E Detach spring from Door E and key door Door A Door C Spring Door E ...

Страница 12: ... tip coupler 6 Screw the motor to bottom of oven cavity 7 Connect leads to the drive motor 8 Screw the drive motor cover to the base plate with a screw driver NOTE Bring the spare screw from service center COVER FIXING SCREW MACHINE SCREW 6006 001170 1 When mounting the door to the oven be sure to adjust the door parallel to the bottom line of the oven face plate by moving the upper hinge and lowe...

Страница 13: ... 2 Lift up the control circuit board from the Ass y con trol box 4 6 3 Removal of Key Module 1 First Remove the Assy PCB Next removing the Cover panel tap 6 pieces in the Assy Control Box and then remove the Cover Panel and Film Lamp 2 Remove Start button and Dial knob in the Key Module PCB 3 Remove screw 1 piece under a key Module PCB 4 Lift out key Module PCB to the underside from the control pa...

Страница 14: ... Continuity checks can indicate only an open ﬁla ment or a shorted magnetron To diagnose an open ﬁlament or shorted magnetron 2 Isolate the magnetron from the circuit by discon necting its leads 3 A continuity check across the magnetron ﬁlament terminals should indicate one ohm or less 4 A continuity check between each ﬁlament terminal and magnetron case should read open 1 The low voltage transfor...

Страница 15: ... the oven assem bly adjust the Latch Body by moving it so that the oven door will not have any play in it Check for play in the door by pulling the door assembly Make sure that the latch keys move smoothly after adjustment is completed Completely tighten the screws holding the Latch Body to the oven assembly 4 Reconnect to Monitor switch and check the continu ity of the monitor circuit and all lat...

Страница 16: ...Normal temperature rise for this model is 9 C to 11 C at HIGH NOTE 1 Variations or errors in the test procedure will cause a variance in the temperature rise Additional power test should be made if temperature rise is marginal NOTE 2 Output power in watts is computed by multiplying the temperature rise step 5 by a factor of 91 times the of centigrade temperature 5 8 Output Power of Magnetron The m...

Страница 17: ...or seam is taken near a corner of the door keep the probe perpendicular to the areas making sure that the probe end at the base of the cone does not get closer than 5cm to any metal If it gets closer than 5cm erroneous readings may result 5 Measured leakage must be less than 4mW cm2 after repair or adjustment Maximum allowable leakage is 5mW cm2 4mW cm2 is used to allow for measurement and meter a...

Страница 18: ... Timer starts countdown but no microwave oscillation No heat while oven lamp and fan motor turn on 1 Off alignment of latch switches 2 Open or loose connection of high voltage circuit especially magnetron ﬁlament circuit NOTE Large contact resistance will bring lower magnetron ﬁlament voltage and cause magnetron to lower output and or intermittent oscillation 3 Defective high voltage components H ...

Страница 19: ...1 Loose fan and fan motor 2 Loose screws on H V Transformer 3 Shorted H V Diode Tighten screws of fan motor Tighten screws of H V Transformer Replace H V Diode Turntable motor does not rotate 1 Open or loose wiring of turntable motor 2 Defective turntable motor Replace turntable motor Oven stops operation during cooking 1 Open or loose wiring of primary interlock switch 2 Operation of thermal cuto...

Страница 20: ...fter replacing switch Is Power Relay normal Replace switch Replace L V T Replace PCB Is high voltage diode normal Is the magnetron temperature switch normal Is L V T normal Check PCB after replacing L V T Checking high voltage circuits Is high voltage capacitor normal Is magnetron norma In case any of high voltage parts is damaged check all parts related to high votlage Is the IC01 output of PCB n...

Страница 21: ... Refer to Checking high voltage circuits on the previous page Method to control latch switch Door Key Door open Door closed 1 Loosenly tighten the nuts to check whether the primary interlock switch works by slightly moving latches to right and left Then firmly tighten nuts 2 Check whether the secondary interlock switch and door sensing switch work by slightly moving latches to right and left then ...

Страница 22: ...or respectively 4 For unusual cases errors can be indicated in letters after discussion in advance ex Key Short Error SE 5 Error code not mentioned below should be discussed in advance and approved by P L and numbered reported to relevant departments 6 This numbering rule has been applied to models to have been developed since January 1 2005 But GE or Customize model are excluded E 1 1 DEVICE 0 Ot...

Страница 23: ...D in ﬁrst 3 minutes after cooking by heater starts Error Code Gas Sensor Error Case E 1X E 31 Open When value of HEX is above FF for 5 seconds E 32 Short E 33 In case the initial value of HEX is under 14 for 30 seconds while a weight sensor in operation E 34 In case the initial value of K calculated by a weight sensor is above and under 28 as value of HEX E 35 In case the value of A is as a weight...

Страница 24: ...041 C019 C011 C035 C084 C003 C082 C012 M066 C005 C107 T001 T017 M034 M039 M040 M047 M001 M041 W002 M049 H018 M022 M030 M017 M020 M023 M019 M038 M048 B018 B006 B001 B011 B010 B002 M051 M035 M037 M036 D004 D015 D006 D005 D019 D011 D002 D003 D037 D049 D007 M015 M042 D046 ...

Страница 25: ...DE96 00031D ASSY MOTOR FAN SMF 3RDDA 220V60HZ 2400RP 1 SA 1 2 M023 DE31 10184C MOTOR FAN 220V60HZ SMF 3RDDA 2400RPM 1 SA 1 2 H018 DE31 90057A BLADE FAN PP T1 5 3RD W 1 SA 1 2 M039 2501 001021 C OIL 740nF 2100V BK 35X54X70 20mm 1 SA 1 2 M040 DE61 00139A BRACKET HVC NC2000 SECC T0 8 0 6 0 1 SNA 1 2 M047 DE61 40066A FOOT PP BLK 2 SA 1 2 M048 DE80 00023A BASE PLATE MW850WA SGCC1 T0 6 NC2000 1 SA 1 2 M...

Страница 26: ...00221B FILM DOOR T0 13 W264 L143 NC08 1 SA 1 3 D002 DE64 01244B DOOR A MW81W S 82W S 87W S ABS HG0760 1 SA 1 3 D003 DE64 01245B SCREEN DOOR RE C300 SAN CR5381 1 SA 1 1 C082 DE94 01148G ASSY CONTROL BOX 220V60HZ RE C300S VICTO 1 SNA 1 2 C107 DE01 00156A FILM BOARD GE87 GE107 PET T0 12 TR 1 SA 1 2 M066 DE01 00157A FILM LAMP GE87 GE107 PET T0 12 OPA 1 SA 1 2 C140 DE63 00270F COVER PANEL TC RE CC300S ...

Страница 27: ...TAPPING TH 2S M4 L12 NI PLT SWRC 1 SNA P OUT 1 1 6006 001170 SCREW TAPPING TH WT TC M4 L10 ZPC YEL 3 SNA N P EARTH P C EARTH PCB EARTH 1 1 6006 001174 SCREW TAPPING WE TH M4 L12 ZPC YEL 5 SA C BOX OUT PN 1 1 6006 001176 SCREW TAPTITE WT PH M4 L8 ZPC YEL 1 SNA BAS EARTH 1 1 DE60 30016A NUT FLANGE M4 MSWR10 2 SA 1 2 6002 000643 SCREW TAPPING TH 2S M4 L10 ZPC YEL SW 2 SNA HANDLE DOOR 1 2 6002 000630 ...

Страница 28: ...03 KRC246M 47uF 3 5 7 1 47K R12 1N4148M D04 SMW250 07AV_RED CN01 TR02 12V FTR F3AA012E RY01 KRC246M 4 7K R01 5V PTC1 390M FTR F3AA012E RY02 TR07 KRC246M OJ03 12V LVT1 SLV D2LEDU C20 47uF D13 1N4148M IC04 78L05 12V 1 C04 5V D17 1N4148M 78L05 IC02 100nF 1N4004 D19 C16 100nF D05 10K R05 12V 12V 1 1N4148M C03 1N4148M D06 22uF 100nF 100nF C14 100nF C07 100nF C05 C06 C15 100nF 1nF OJ01 C19 1N4148M D07 C...

Страница 29: ...6 SNA C04 C07 C15 C16 1 3 2203 000444 C CER CHIP 1nF 10 50V X7R 2012 2 SNA C12 C13 1 3 2401 000151 C AL 1000uF 20 25V GP TP 10x20 5 1 SNA C01 1 3 2401 000911 C AL 22uF 20 16V GP TP 5x7 5 1 SNA C03 1 3 2401 002075 C AL 4 7uF 20 50V GP TP 5x11 5 1 SNA C11 1 3 2401 003107 C AL 47uF 20 16V GP TP 5x7 5 1 SNA C02 1 3 2802 000188 RESONATOR CERAMIC 8MHz 0 5 TP 10 0x5 0x 1 SNA XTL1 1 3 3501 000264 RELAY PO...

Страница 30: ...A BLU ASSY PCB BORD BLK ORG GRN GROUND ORG DOOR SENSING SWITCH INRUSH RELAY POWER RELAY SECONDARY INTERLOCK MAIN RELAY L V TRANS 2200pF 0 1uF 1mH 2200pF 250V12A FUSE 500K P T C P T C YEL 21V 0V BRN BRN RED BLU YEL Y G ORG WHT BLK GRN BROWN RED BLUE YELLOW YELLOW GREEN ORANGE WHITE BLACK GREEN SYMBOL COLOR NOTE 1 INPUT 230V 2 DOOR OPEN 3 LAMP ON 4 ASSY NOISE FILTER PATTERN 5 PCB PATTERN L F M D M T...

Страница 31: ...RED RED BRN BLK FA F HIGH VOLTAGE TRANSFORMER H V FUSE HIGH VOLTAGE CAPACITOR HIGH VOLTAGE DIODE TO CHASSIS MAGNETRON SYMBOL COLOR ORG ORANGE BRN BROWN RED RED BLU BLUE RED RED 10 Wiring Diagrams Continued ...

Страница 32: ...ON C RC USA RV CONVECTION BUILT IN B RB USA RV BUILT IN USA Junior SJ SJ USA Junior MWO USA OTR SM SOLO H SMH USA OTR SOLO CONVECTION V SMV USA OTR CONVECTION EUROPE Ep oxy Cavity M SOLO 1 M1 EUROPE SOLO EPOXY CAVITY GRILL 2 M2 EUROPE GRILL EPOXY CAVITY EUROPE Ce ramic Enamel CE SOLO 1 CE1 EUROPE SOLO CERAMIC ENAMEL GRILL 2 CE2 EUROPE GRILL CERAMIC ENAMEL EUROPE Quartz GRILL G2 G2 EUROPE Quartz GR...

Страница 33: ...IUM LOW This function is used to cook the food slowly Close the door completely Press the Cancel but ton Press the Start button Contact the nearest Samsung after sales service cen ter Ground Ground problem may happen when the oven is placed in a humid area and the over is not grounded Ground is not provided by an extended electric outlet If the oven is placed in a humid area buy an electric wire i...

Страница 34: ...such as herbal remedies are not removed Error Errors are classiﬁed into the case which is out of order and the case which is not out of order Clean the inside of the oven Remove strange smell through the Deodorant button If the strange smell still remains place a piece of lemon on the turntable and operate the oven for 5 minutes by pressing the Deodorant button However the smells produced from the...

Страница 35: ...ual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd Dec 2005 Printed in Korea Code No DE68 04038A ...

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