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This oven is designed for household use only.

It is not recommended for commercial purposes.

ITEM

MODEL

Power Requirement

Power Output

Microwave Frequency

Magnetron

Timer

Outside Dimensions

Cavity Dimensions

Net Weight

Shipping weight

Control Complement

Rating Label Location

Accessories

DESCRIPTION

MP-9485S / MP-9485SA

240 Volts AC 50 Hz

Single phase, 3 wire grounded

Microwave

1600W

Grill

Max 1750W

Combination

Max 2150W

Convection

2150W

900 Watts full microwave power (IEC 60705)

2450 MHz

2M248H - B

0 ~ 90 min.

527 (W) x 394 (H) x 480 (D) mm

440 (W) x 204 (H) x 420 (D) mm

26 kg

29 kg

1. Microwave Power level:

3. Convection: 40°C, 100~250°C

MAX (900W), 600W, 360W, 180W, 90W

4. SPEED COMBI

2. GRILL

5.SPEED AUTO COOK

Owner's manual & Cook book

High rack, Low rack

Metal tray

Display Microwave power selection

Co-1

Grill-1 + 180W, 360W, 600W

Co-2

Grill-2 + 180W, 360W, 600W

Co-3

Grill-3 + 180W, 360W, 600W

Co-4

Upper H Lower Microwave Power

Co-5

Upper Lower Microwave power

1-1

SPECIFICATIONS

Category Display Heater operating
Grill-1

gr-1

Upper Halogen

Grill-2

gr-2

Upper Sheath

Grill-3

gr-3

Lower Sheath

Содержание SolarDOM MP-9485S

Страница 1: ...SolarDOM SERVICE MANUAL MODEL MP 9485S MP 9485SA CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Website http biz lgservice com P NO 382885S5384 February 2006 Printed in Korea 삼 흥 정 판 ...

Страница 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...

Страница 3: ...CE 4 2 SCHEMATIC DIAGRAM 4 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 UPPER LOWER HEATER 5 7 INTERLOCK CONTINUITY TEST 5 8 COMPONENT TEST PROCEDURE 5 9 TROUBLE SHOOTING 5 14 EXPLODED VIEW 6 1 REPLACEMENT PARTS LIST 7 1 CONTENTS ...

Страница 4: ...microwave power IEC 60705 2450 MHz 2M248H B 0 90 min 527 W x 394 H x 480 D mm 440 W x 204 H x 420 D mm 26 kg 29 kg 1 Microwave Power level 3 Convection 40 C 100 250 C MAX 900W 600W 360W 180W 90W 4 SPEED COMBI 2 GRILL 5 SPEED AUTO COOK Owner s manual Cook book High rack Low rack Metal tray Display Heater Microwave power selection Co 1 Grill 1 180W 360W 600W Co 2 Grill 2 180W 360W 600W Co 3 Grill 3 ...

Страница 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...

Страница 6: ...ront glass during or after cooking of the Grill and convection 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 oven is designed to be used in a fully earthed condition It is imperative therefore to make sure it is properly earthed be...

Страница 7: ...es temperature weight and cooking categories While cooking with auto and manual function you can lengthen or shorten the cooking time at any point by turning the dial knob except defrost mode 7 Display Window You can show time of day cooking time power level and cooking categories 8 Enter You can determine the selected cooking category microwave power level or temperature 9 Defrost You can select ...

Страница 8: ...Grill Turn Dial Desired Grill 1 2 3 Turn Dial Desired cooking time Start Enter Stop Clear Convection Enter Desired cooking time Start Turn Dial Desired convection temp 40 C 100 C 250 C Stop Clear Defrost Turn Dial Desired defrost category Food weight Start Enter Stop Clear Function Speed Combi Turn Dial Desired speed Combi category Food weight Start Stop Clear Stop Clear Touch and Hold Stop Clear ...

Страница 9: ...SCHEMATIC DIAGRAM 4 3 ...

Страница 10: ...olts DC is applied 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 4 by the applied signal to vary the average output power of oven as POWER LEVEL refer to page 1 1 One complete cycle of relay 4 is 32 seconds WHEN THE DOOR IS OPENED DURING COOKING Both the primary switch and relay 4 are cut off primary winding...

Страница 11: ...is graduated to 600 cc and place the beaker on the center of the turntable Set the energy leakage monitor to 2450 MHz and use it following the manufacturer s recommended test procedure to assure correct result When measuring the leakage always use the 2 inch 5cm spacer supplied with the probe Operate the oven at its maximum output Measure the microwave radiation using and electromagnetic radiation...

Страница 12: ...he test probe must be removed no faster than 1 inch sec 2 5 cm sec along the shaded area otherwise a false reading may result The test probe must be held with the grip portion of the handle A false reading may result if the operator s hand is between the handle and the probe When testing near a corner of the door keep the probe perpendicular to the surface making sure the probe horizontally along ...

Страница 13: ...owave power output P in watts is calculated from the following formula 4187 X T 0 55 X T2 T0 X M T T2 Temperature after heating T0 Temperature of bowl M Weight of bowl is measured while the microwave generator is operating at full power Magnetron filament heat up time is not included The water is stirred to equalize temperature throughout the vessel prior to measuring the final water temperature S...

Страница 14: ...crowaves may leak from the clearance between the door and the oven F BRACKET ASSEMBLY REMOVAL 1 Remove screws on the bracket assembly and release a lug 2 Disconnect the leadwire from thermostat and lift out the bracket assembly G MAGNETRON REMOVAL 1 Remove controller assembly and bracket assembly 2 Disconnect the leadwire from the high voltage transformer and Magnetron 3 Carefully remove the mount...

Страница 15: ...RNTABLE MOTOR 1 Remove the metal tray 2 Remove the turntable shaft VERY CAREFULLY 3 Lay the unit down on its back 4 Remove the turntable motor cover The turntable base cover is easily removed by pinching the six parts with a wire cutting 5 Disconnect the leadwire from the turntable motor terminals 6 Remove the screw securing the turntable motor to the oven cavity assembly 7 After repairing the mot...

Страница 16: ...ex nut securing the C motor to the motor shaft L INTERLOCK SYSTEM 1 INTERLOCK MECHANISM The door lock mechanism is a device which has been specially designed to eliminate completely microwave activity when the door is opened during cooking and thus to prevent the danger resulting from the microwave leakage 2 MOUNTING OF THE PRIMARY MONITOR SECONDARY SWITCHES TO THE LATCH BOARD 3 INSTALLATION AND A...

Страница 17: ...s holding the insulator U to the back plate and lift it up 4 Remove the heater holder 5 Remove the reflector and glass pieces If the hologen heater isn t broken 1 Remove the heater holder and halogen heater O LOWER HEATER REMOVAL 1 Disconnect the leadwire from the sheath heater 2 Remove the base plate from cavity 3 Remove the nuts from the oven cavity of the side 4 Remove the gasket ring and heate...

Страница 18: ... closed meter should indicate an closed 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 op...

Страница 19: ...RESULTS HIGH VOLTAGE TRANSFORMER Wire leads removed MAGNETRON Wire leads removed 1 Measure the resistance Ohm meter scale Rx1 and Rx100 Primary winding Secondary winding Filament winding 2 Measure the resistance Ohm meter scale Rx1000 Primary winding to ground Filament winding to ground 1 Measure the resistance Ohm meter scale Rx1 Filament terminal 2 Measure the resistance Ohm meter scale Rx1000 F...

Страница 20: ...0 Terminal to case Measure the continuity Forward Ohm meter scale Rx10000 Measure the continuity Reverse Ohm meter scale Rx10000 Normal Momentarily indicates several ohms and then gradually returns to infinite Normal Infinite Normal Continuity Abnormal Infinite Normal Infinite Abnormal Continuity NOTE When testing the magnetron be sure to install the magnetron gasket in the correct position and be...

Страница 21: ... just the fuse if the switches operate normally Normal Abnormal HEATER ELEMENT Wire leads removed Measure the resistance Multi meter scale Rx1 Measure the resistance with 500V 100M ohm insulation resistance meter NOTE Make sure heater is fully cooled when tested Normal Upper sheath heater Approx 47 ohm 230V 1100W Lower sheath heater Approx 141 ohm 240V 400W Upper Halogen heater Approx 15 ohm 230V ...

Страница 22: ...lay Positive Temperature Coefficient Relay 4 Microwave Relay 5 Up sheath heater Relay 6 Lo sheath heater Relay 7 Halogen Heater FAN MOTOR Wire leads removed TURNTABLE MOTOR Wire leads removed Measure the resistance Ohm meter scale R x 1 Check for P C B connector Measure the resistance Ohm meter scale R x 1000 Normal Approx 60 ohm Abnormal Infinite or several ohm Normal Approx 10 20 kohm Abnormal I...

Страница 23: ...ressing an appropriate pad on key board The contacts assignment of the respective pads on the key board is as shown left figures NOTE A MICROWAVE ENERGY LEAKAGE TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS SERVICED FOR ANY REASON MAKE SURE THE WIRE LEADS ARE CORRECT POSITION WHEN REMOVING THE WIRE LEAD FROM THE PARTS BE SURE TO GRASP THE CONNECTOR NOT THE WIRES 1 2 3 4 5 6 7 8 9 10 18 1 2 3 4 5 ...

Страница 24: ...ng on this panel to discharge any static charge built up in your body CONDITION The oven does not work Inserting many plug into one plug outlet and using them at the same time causes overloading The oven plug is not inserted tightly Output power is too low Low AC input voltage Food temperature is too low Using metallic ware and allowing it to touch the oven wall Sparks occurring Inconsistent inten...

Страница 25: ... input Defective PCB assembly Replace PCB assembly TROUBLE 1 The following visual conditions indicate a probable defective control circuit 1 Incomplete segments Segment missing Partial segment missing Digit flickering NOTE Slight flickering is normal 2 Colon does not turn on or blink 3 A distinct change in the brightness of one or more numbers in display 4 One or more digits in the display are not...

Страница 26: ...stat and Lower voltage transformer Check continuity of magnetron thermostat No continuity 1 Fuse blows Continuity Malfunction of the monitor switch Replace primary and monitor switches Check continuity of monitor switch with door closed Check continuity of primary switch with door opened No continuity Disconnect one side of the wire lead connected from transformer to the high voltage capacitor and...

Страница 27: ...tinuity Continuity Defective P C B assembly Replace P C B assembly Loose connection Connection then tightly Output is low Lower than 90 of rating voltage Normal Decrease in power source voltage with load Suggest customer contact local electric power utility co or qualified electrician Check the power source voltage Disconnect the wire leads from relay 4 and check on and off time with multitester A...

Страница 28: ...tage transformer and H V Fuse Replace high voltage transformer and H V Fuse Check H V transformer and H V Fuse Abnormal Defective high voltage capacitor Replace high voltage capacitor Check H V capacitor Abnormal Defective high voltage Diode Replace high voltage Diode Check H V diode normal Abnormal Defective magnetron Replace magnetron Check Magnetron normal TROUBLE 5 No microwave oscillation eve...

Страница 29: ...ke sure the wire leads correct position When removing the wire leads from parts Be sure to grasp the connector not the wires When removing the magnetron be sure to install the magnetron gasket in the correct position and in good condition 1 Heater is not operating Abnormal Normal Malfunction of the heater Replace Heater Abnormal Normal Malfunction of the thermostat and relay 5 6 7 Replace Thermost...

Страница 30: ...DOOR PARTS CONTROL PANEL PARTS BASE PLATE PARTS OVEN CAVITY PARTS LATCH BOARD PARTS INTERIOR PARTS 6 1 EXPLODED VIEW INTRODUCTION EV ...

Страница 31: ... 6 2 13581A 14891A 13213E 13552A 13650A WTP002 WTT051 14980A 14970A 140261 WPZ016 14970A 140262 WPZ016 DOOR PARTS EV ...

Страница 32: ... 6 3 24781S 268711 WTT028 WTP004 WTP004 24810L 24810R 24980A 249401 250201 23551A 268712 250201 WTT028 CONTROL PANEL PARTS EV ...

Страница 33: ...9S 63302A WNZ015 34370T 353001 WTT028 WTT022 WTT022 WTT029 WTT029 WTT021 63303A WTT028 647781 WTT028 647781 54790A 35026G 35026C 33052M 348101 343501 WNZ015 368771 Color Change Gray Black Color Change Gray Black OVEN CAVITY PARTS EV ...

Страница 34: ... 6 5 466001 43501L 43500L 44510A 466003 466001 43500R 43501R WSZ085 WSZ085 LATCH BOARD PARTS EV ...

Страница 35: ... 6 6 35300H 348102 33034A WTT021 350122 56324A WSZ002 55264A WTT028 WSZ085 53550L 56912B WTT028 34890C 353002 WSZ085 552651 WTT021 WTT021 552652 948502 INTERIOR PARTS I EV ...

Страница 36: ...0W WTT028 WSZ085 WTT028 56411A WSZ002 56549F WSZ002 WTT021 WTP002 56170D 948501 350121 33660A WMP021 56930M 50CZZH 56201A 56901A 54980A 55900A WWP008 WNH003 WWS005 36549W WTP002 56930V 568771 56322A 54810C 50FZZA WSZ002 56851D INTERIOR PARTS II EV ...

Страница 37: ... 41 ...

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