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MICROWAVE/GRILL OVEN

SERVICE MANUAL

MODEL: MH-706CL

CAUTION

BEFORE SERVICING THE UNIT, READ THE
SAFETY PRECAUTIONS IN THIS MANUAL.

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Summary of Contents for MH-706CL

Page 1: ...MICROWAVE GRILL OVEN SERVICE MANUAL MODEL MH 706CL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Page 2: ...r and other damage 4 damage to or loosening of hinges 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...

Page 3: ... CIRCUIT DESCRIPTION 4 4 SERVICE INFORMATION 5 1 TOOLS AND MEASURING INSTRUMENTS 5 1 MICROWAVE LEAKAGE TEST 5 1 MEASUREMENT OF MICROWAVE POWER OUTPUT 5 3 DISASSEMBLY AND ADJUSTMENT 5 3 INTERLOCK CONTINUITY TEST 5 7 COMPONENT TEST PROCEDURE 5 8 TROUBLE SHOOTING 5 12 EXPLODED VIEW 6 1 REPLACEMENT PARTS LIST 7 1 SCHEMATIC DIAGRAM OF P C B 8 1 PRINTED CIRCUIT BOARD 8 2 P C B PARTS LIST 9 1 CONTENTS ...

Page 4: ... D mm 18 kg approx 20 kg approx Microwave Power for Variable Cooking Power level MAX Full power throughout the cooking time MED HIGH approx 80 of Full power MEDIUM approx 60 of Full power DEFROST approx 40 of Full power LOW WARM approx 20 of Full power Grill COMBI Owner s manual Glass tray Rotating ring Grill rack 1 1 ITEM MODEL Power Requirement Power Output Microwave Frequency Magnetron Timer Ou...

Page 5: ...tron 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 from danger in ordinary use extreme care should be taken du...

Page 6: ...to prevent interference 8 Do not touch the front glass during or after cooking of the Grill and Combination mode This glass is very hot during heater operating 9 Do not operate the oven at microwave and combination mode with Grill rack placed in the cavity when the oven is empty EARTHING INSTRUCTIONS This microwave oven is designed to be used in a fully earthed condition It is imperative therefore...

Page 7: ...t the combination cooking 3 AUTO COOK Used to cook the foods listed by one touch 4 AUTO DEFROST Used to select the auto weight defrost 5 COOK TIME Used to cook food for a desired time 6 INDICATORS 7 KITCHEN TIMER 8 SET CLOCK Used to set the time of day 9 GRILL Used to select the grill cooking 10 LESS MORE Used to change cooking time WEIGHT Used to select the desired weight 11 STOP CLEAR Used to st...

Page 8: ... 9 CHILD LOCK This oven has a CHILD LOCK feature TO SET CHILD LOCK Touch the pad Touch STOP pad L appear in the display TO CANCEL CHILD LOCK Touch the pad touch STOP pad L disappears 10 AUTO COOK Stop Set clock Set the correct time Stop Start Stop Desired auto cook category Desired cooking weight STOP STAGE 1 Set clock Stop Stop Desired defrost category Desired cooking weight Start Start Stop Gril...

Page 9: ...SCHEMATIC DIAGRAM 4 3 ...

Page 10: ...ied to the filament of the magnetron WHEN THE OVEN IS SET AT ANY LEVEL EXCEPT MAXIMUM The micom controller controls the ON OFF time of relay 2 by the applied signal to vary the average output power of microwave oven as POWER LEVEL refer to page 1 1 One complete cycle of relay 2 is 22 seconds WHEN THE DOOR IS OPENED DURING COOKING Both the primary switch and relay 2 are cut off primary winding volt...

Page 11: ...DOOR PARTS LATCH BOARD PARTS CONTROL PANEL PARTS INTERIOR PARTS BASE PLATE PARTS OVEN CAVITY PARTS 6 1 EXPLODED VIEW INTRODUCTION ...

Page 12: ...6 2 13720D 13350F 13581A 14970A 14026A 13552A 15006A 13213A 14890A DOOR PARTS ...

Page 13: ...6 3 WTP004 268711 268712 23790D 23572A 24781S 250203 250201 250202 24970A 24510L 23550F CONTROL PANEL PARTS ...

Page 14: ...6 4 33112U 35300A 348101 35264A 35301A WTT021 WTT021 WTT010 348102 33550H WMT002 33390G 35889A 34960A 33052M 36549S WTP013 34370T 35026G WSZ092 OVEN CAVITY PARTS ...

Page 15: ...6 5 WSZ085 466003 466001 43501A 43500A 466001 LATCH BOARD PARTS ...

Page 16: ... WSZ002 WTT028 WSZ002 WTT028 WSZ062 50FZZA WSZ002 WTT037 WSZ002 50CZZH 56324A 55262A 54810C 56851C 56851D 55900A 56549F 56411A 56201A 56930V 56930G 568771 54974S 56912B 56930M WTP004 56201B INTERIOR PARTS ...

Page 17: ...6 7 56170D 63302A 63303A WTT021 WSZ002 WSZ062 WTT030 647781 BASE PLATE PARTS ...

Page 18: ...8 1 SCHEMATIC DIAGRAM OF P C B ...

Page 19: ...8 2 PRINTED CIRCUIT BOARD ...

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