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SEA

SERVICE

MICROWAVE OVEN

CONTENTS

MICROWAVE OVEN

1. Precaution

2. Specifications

3. Operating Instructions

4. Disassembly and Reassembly

5. Alignment and Adjustments

6. Troubleshooting

7. Exploded Views and Parts List

8. PCB Diagrams

9. Schematic Diagrams

Manual

MC1015WB

MC1015BB

 

 

Summary of Contents for MC1015BB

Page 1: ...MICROWAVE OVEN 1 Precaution 2 Specifications 3 Operating Instructions 4 Disassembly and Reassembly 5 Alignment and Adjustments 6 Troubleshooting 7 Exploded Views and Parts List 8 PCB Diagrams 9 Schematic Diagrams Manual MC1015WB MC1015BB ...

Page 2: ...s and latches 5 evidence of dropping or abuse c Before turning on microwave power for any service test or inspection 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 s...

Page 3: ...ould remove their watches 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 Primary door sensing switch ...

Page 4: ...gure 1 1 2 The high voltage capacitor remains charged about 30 seconds after disconnection Short the negative 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 components PRECAUTION...

Page 5: ...ER OPERATING FREQUENCY MAGNETRON COOLING METHOD OUTSIDE DIMENSIONS NET WEIGHT SHIPPING WEIGHT 99 MINUTES 99SECONDS 120V 60Hz AC MICROWAVE 1 500W CONVECTION 1600W FROM 100 TO 1000W 10 LEVEL POWER IEC 705 TEST PROCEDURE 2 450MHz OM75P 31 COOLING FAN MOTOR 625 W x 390 H x 575 D mm 26 0 kg 28 0 kg ...

Page 6: ...ause oven or correct a mistake Auto Defrost Sets weight of food to be defrosted Instant Cook Buttons Instant settings to cook popular foods Auto Cook Press to select Auto cook and weight Broil Please to brown and cook Power Level Press this pad to set a power level other than high Number Buttons Sets cooking times or amounts and power levels other than high More Less Increase or decrease cooking t...

Page 7: ... adjacent parts or it may be damaged NOTE2 When replacing the magnetron be sure to remount the magnetron gasket in the correct position and make sure the gasket is in good 4 2 Replacement of High Voltage Transformer 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 watch...

Page 8: ...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 1 Insertion depth of the thin metal plate should be 0 5mm or less 4 3 4 Removal of Key Door Spring Remove pin hinge from Door E Datach spring from Door E and key door 4 3 5RemovalofScreen Door Deco Door 1 Remove Door E from Door A 2 Remove Door Screen ...

Page 9: ...bove three switches operate properly check if any other part such as the control circuit board blower motor or high voltage transformer is defective 4 5 Replacement of Drive Motor 1 Take out the glass tray guide roller and coupler from cavity 2 Turn the oven upside down to replace the drive motor 3 Remove a screw securing the drive motor cover 4 Disconnect all the lead wires from the drive motor 5...

Page 10: ...ur body and avoid touching the touch control circuitry 2 Disconnect the connectors from the control circuit board 3 Remove screws securing the control box assembly 4 Lift up the control circuit board from right side and remove the hooks holding the control circuit board to the box assembly SCREWS ...

Page 11: ...solate the magnetron from the circuit by disconnecting 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 SHV U11KA Secondary Filament Primary 75 10 Shows Continuity 0 30 10 Filament Terminals Primary Terminals PRECAUTION 1 High voltage is present at the high ...

Page 12: ...dy consult the figure 2 No specific adjustment during installation of Primary switch and Monitor switch to the latch body is necessary 3 When mounting the Latch Body to the oven assembly 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 complet...

Page 13: ...ation 4 When heating is finished stir the water again with the thermometer and measure the temperature T2 5 Subtract T1 from T2 This will give you the water temperature rise T 6 The output power is obtained by the following formula Output Power 4 187 x 1000 x T 0 88 x Mc x T2 T0 41 Heating Time sec 41 4 187 Coefficient for Water 1000 Water cc T Temperature Rise T1 T2 Mc Cylindrical borosilicate gl...

Page 14: ... level 4 Set survey meter dual ranges to 2 450MHz 5 Using the survey meter and spacer cone as described above measure near the opening of magnetron the surface of the air guide and the surface of the wave guide as shown in the following photo but avoid the high voltage components The reading should be less than 4mW cm 2 5 11 Note on Measurement 1 Do not exceed the limited scale 2 The test probe mu...

Page 15: ...er NOTE2 Check adjustment of primary interlock monitor power relay door sensing switch NOTE 1 All of these switches must be replaced at the same time refer to adjustment instructions Check continuity of power relay contacts and if it has continuity replace power relay also NOTE 2 When H V Transformer is replaced check diode and magnetron also Oven does not accept key input Program 1 Key input is n...

Page 16: ...ain Loud buzzing noise can be heard 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 interloc...

Page 17: ...d Views MM01 MM52 MM67 MM25 MM08 MM09 MM31 MM93 MM27 MM30 MM29 MM14 MM22 MD01 MM18 MM19 MM20 MM64 MM64 MM16 MM35 MM65 MM53 MM581 MM28 MM102 MM55 MM73 MM07 MM03 MM06 MM10 MM71 MM17 MM56 MC01 MM59 MB10 MM42 MM34 MB01 MB05 MB03 MB03 MB02 MB042 MB041 ...

Page 18: ...0009A THERMOSTAT PW2N 520PB 160 60 250V 7 5A H 1 MM18 DE74 20015G TRAY COOKING T6 1 MM19 DE92 90189U ASSY GUIDE ROLLER 1 0CUFT PPS 15 5 1 MM20 DE67 60081A COUPLER PPS BROWN 3RD 1 0 1 3 1 MM22 DE31 10104A MOTOR SYNCHRONOUS M2CK29Z709 H 120V60HZ 1 MM27 DE61 40065A FOOT PP T2x22x17mm BLK 4 MM28 DE80 10001R BASE PLATE 3RD 1 0 NEW SGCC T0 8 W345 L 1 MM29 2501 001016 C OIL 950nF 2 1KV BK 35x54x80 20mm 1...

Page 19: ...ING KEY M1977 HSWR D6 25 1 4 25 1 1 MD08 DE61 80002A HINGE UPPER WHT SHV 745CC1 SSEC T2 3 26 1 MD09 DE61 80003A HINGE LOWER WHT TN 5630T SSEC T2 3 26 77 1 MD10 DE64 00264B KEY DOOR MC1015WB BB GLASS GLASS0 BLK 1 MD15 DE64 90160A DECORATION DOOR Y745STC S7A77 1 MD17 DE67 20184K SCREEN DOOR B CK920T TEMP GLASS T3 2 1 MD29 DE63 00024B CUSHION SCREEN C100 CR T2 0 W12 L150 BLK 2 MD29 MD17 MD07 MD06 MD1...

Page 20: ...on Q ty Remark MC02 DE34 00127A SWITCH MEMBRANE MC1015WB XAA 2 TAIL W90 1 MC03 DE64 00707C CONTROL PANEL MC1015 PC V 0 WHT 1 MC06 DE67 40173B WINDOW DISPLAY RE MF70 SAN 20 CR5381G01 1 MC07 RA MC5694 05 ASSY PCB PARTS MC1015WB XAA 120V60HZ 1 MC06 MC03 MC07 MC02 ...

Page 21: ... DE47 70077C HEATER SHC 5694U1 1580W 120V 1 MA04 DE60 40026B WASHER PLAIN ID5 5 OD12 T1 0 SBC1 ZNC3 1 MA05 DE62 00098B ADIABATIC CASING T8 W245 L336 8 CK95 1 MA06 DE72 30016A BUSH MOTOR MSWR3 L11 2 D5 6 RE 1300 1 MA07 DE92 90487A ASSY COVER CASING CE115K 230V50HZ 1 MA08 DE60 40014B WASHER C MOTOR M16 T1 0 SECC ZNC3 1 MA09 DE61 50484A BRACKET HEATER STS430 T0 8 W27 2 L26 C 2 MA08 MA02 MA01 MA02 MA0...

Page 22: ... DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 1 A THERMO G DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 1 B A GUIDE DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 2 B LATCH DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 1 B UPPER DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 1 C AIR DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 2 C BOX DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 2 ...

Page 23: ... 8 P C B Diagrams 8 1 P C B Diagrams ...

Page 24: ... 2KOHM 5 1 8W AA TP 1 8X3 2MM 2 R03 R04 2001 000613 R CARBON 3 9KOHM 5 1 8W AA TP 1 8X3 2MM 4 R11 R18 R32 R34 2001 000780 R CARBON 470OHM 5 1 8W AA TP 1 8X3 2MM 4 R01 R02 R14 R30 2001 000786 R CARBON 47KOHM 5 1 8W AA TP 1 8X3 2MM 4 R19 R22 2001 001107 R CARBON S 220ohm 5 1 2W AA TP 2 4x6 4mm 3 R06 R08 2004 000195 R METAL 100Kohm 1 1 8W AA TP 1 8x3 2m 1 R13 2004 001118 R METAL 5Kohm 1 1 4W AA TP 2 ...

Page 25: ...NETRON FA F RED RED RED SYMBOL COLOR BRN BROWN BLK BLACK RED RED BLU BLUE BRN BLU ORG ORG BLU BRN BRN RED HIGH VOLTAGE MONITOR SWITCH PRIMARY SWITCH DOOR SENSING SWITCH TRANSFORMER HIGH VOLTAGE CAPACITOR HIGH VOLTAGE DIODE TO CHASSIS BLK BLU WHT BRN ...

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