Service Manual
Page 2
... AND THE DOOR RELEASE MECHANISM 10 1.8 THE MAGNETRON ...10 1.9 THE TRANSFORMER ...11 1.10 THE FAN MOTOR ...11 1.11 THE CAPACITOR ...12 1.12 THE DIOD...12 1.13 THE TURNTABLE COMBINATION 13 1.14 THE DOOR SAFETY INTERLOCKS 13 1.15 THE CONTROL PANEL OF A TYPICAL MICROWAVE OVEN 14 BREAKDOWN ANALYSIS AND ... OF OVERHAULING 15 1.16 EXAMINING THE BREAKDOWN CAUSES 15 1.17 SPOT EXAMINING STEPS OF THE MICROWAVE OVEN 15 1.18 REPAIRING METHOD OF SEVERAL BREAKDOWN 18 1.19 THE REQUIREMENTS OF MICROWAVE AFTER IT HAS BEEN REPAIRED 19 CRITICAL PARTS SERVICING ...20 1.20 IMPORTANT THINGS TO DO ...
... AND THE DOOR RELEASE MECHANISM 10 1.8 THE MAGNETRON ...10 1.9 THE TRANSFORMER ...11 1.10 THE FAN MOTOR ...11 1.11 THE CAPACITOR ...12 1.12 THE DIOD...12 1.13 THE TURNTABLE COMBINATION 13 1.14 THE DOOR SAFETY INTERLOCKS 13 1.15 THE CONTROL PANEL OF A TYPICAL MICROWAVE OVEN 14 BREAKDOWN ANALYSIS AND ... OF OVERHAULING 15 1.16 EXAMINING THE BREAKDOWN CAUSES 15 1.17 SPOT EXAMINING STEPS OF THE MICROWAVE OVEN 15 1.18 REPAIRING METHOD OF SEVERAL BREAKDOWN 18 1.19 THE REQUIREMENTS OF MICROWAVE AFTER IT HAS BEEN REPAIRED 19 CRITICAL PARTS SERVICING ...20 1.20 IMPORTANT THINGS TO DO ...
Service Manual
Page 8
...of the magnetron, and series connected with the food health requirements. 1. The turntable tray is the place where the microwave and the food affect mutually. There often fixed a dust - loss and heat - Microwave enters into the oven cavity through the wave guide and the coupling appliance,...cover (such as a whole. There are lots kinds of heat - Air vent 4. Roller Shaft 5. FIG.3-1 is a typical instance of brand microwave oven, WP700. This is the power control circuit diagram of conduction ratio control. Made the S5 working condition. This oven adopt time and power...
...of the magnetron, and series connected with the food health requirements. 1. The turntable tray is the place where the microwave and the food affect mutually. There often fixed a dust - loss and heat - Microwave enters into the oven cavity through the wave guide and the coupling appliance,...cover (such as a whole. There are lots kinds of heat - Air vent 4. Roller Shaft 5. FIG.3-1 is a typical instance of brand microwave oven, WP700. This is the power control circuit diagram of conduction ratio control. Made the S5 working condition. This oven adopt time and power...
Service Manual
Page 9
...120V 60Hz FUSE MONITOR SWITCH THERMAL CUTOUT (MAG.) (OVEN) N SECONDARY SWITCH PRIMARY SWITCH POWER RELAY C OVEN LAMP L FAN MOTOR TURNTABLE MOTOR FM MT MAIN RELAY HIGH VOLTAGE TRANSFORMER MAGNETRON FA F HIGH VOLTAGE CAPACITOR HIGH VOLTAGE DIODE LOW VOLTAGE TRANSFORMER DIGITAL PROGRAMMER CIRCUIT ...". It is sealed at this chapter. resistant construct between the door and the doorframe. Therefore, the main methods designed for preventing microwave leakage of the door are as follows: 1) Assemble a layer of noise filter in the current resistant trough, the effect to assemble...
...120V 60Hz FUSE MONITOR SWITCH THERMAL CUTOUT (MAG.) (OVEN) N SECONDARY SWITCH PRIMARY SWITCH POWER RELAY C OVEN LAMP L FAN MOTOR TURNTABLE MOTOR FM MT MAIN RELAY HIGH VOLTAGE TRANSFORMER MAGNETRON FA F HIGH VOLTAGE CAPACITOR HIGH VOLTAGE DIODE LOW VOLTAGE TRANSFORMER DIGITAL PROGRAMMER CIRCUIT ...". It is sealed at this chapter. resistant construct between the door and the doorframe. Therefore, the main methods designed for preventing microwave leakage of the door are as follows: 1) Assemble a layer of noise filter in the current resistant trough, the effect to assemble...
Service Manual
Page 10
...the time, when it full ahead. 2. Circuit diagram of the magnetron and the filament, changing the power frequency electric energy to microwave energy, the microwave energy then transferred to prevent the magnetron from being damaged by overheating. Push the cabinet back 25mm according to the magnetron and ...whether the up, right and left troughs have a plum blossom shape washer to drive the food around and making the food heated evenly. The turntable motor set off to keep a good earth. 8 When the thermal cutout is the practical circuit diagram of the thermal cutout (S6), S6...
...the time, when it full ahead. 2. Circuit diagram of the magnetron and the filament, changing the power frequency electric energy to microwave energy, the microwave energy then transferred to prevent the magnetron from being damaged by overheating. Push the cabinet back 25mm according to the magnetron and ...whether the up, right and left troughs have a plum blossom shape washer to drive the food around and making the food heated evenly. The turntable motor set off to keep a good earth. 8 When the thermal cutout is the practical circuit diagram of the thermal cutout (S6), S6...
Service Manual
Page 15
... 17). 2. Assemble and fix the middle base board with a "+"- Steps for dismantling: (1) Pull out the terminal plugs of the 13 To disassemble, 1. Turn the microwave oven over (FIG. 4- 17). 2. Assembling steps: Fig.4-17 1. Turn the oven back. 5. Loosen out the two screws of this part. As the FIG.4...and the glass tray as the 1, 2, and 3 steps of Ⅲ of the diode, refer to the polarity of this part. turntable shaft supporter roller ring Fig.4-18 Fig.4-19 1.14 THE DOOR SAFETY INTERLOCKS Firstly, do as FIG .4 - 20. screwdriver, take the switch holder off. (3) Take ...
... 17). 2. Assemble and fix the middle base board with a "+"- Steps for dismantling: (1) Pull out the terminal plugs of the 13 To disassemble, 1. Turn the microwave oven over (FIG. 4- 17). 2. Assembling steps: Fig.4-17 1. Turn the oven back. 5. Loosen out the two screws of this part. As the FIG.4...and the glass tray as the 1, 2, and 3 steps of Ⅲ of the diode, refer to the polarity of this part. turntable shaft supporter roller ring Fig.4-18 Fig.4-19 1.14 THE DOOR SAFETY INTERLOCKS Firstly, do as FIG .4 - 20. screwdriver, take the switch holder off. (3) Take ...
Service Manual
Page 21
...-placed by a new, same model one . 1.19 THE REQUIREMENTS OF MICROWAVE AFTER IT HAS BEEN REPAIRED After being repaired, the microwave oven should take down the turntable combination, measure the resistance value of the turntable motor R×1K grade of a multimeter. Then install them to see ... one. 4.Means of the lamp. If the microwave leakage is not connected. 1.19.2 MICROWAVE LEAKAGE Microwave leakage can move flexibly, then the winding of the microwave leakage. 19 If the resistance value is between 15 -22 K, it indicates the turntable motor is the case, it indicates the door ...
...-placed by a new, same model one . 1.19 THE REQUIREMENTS OF MICROWAVE AFTER IT HAS BEEN REPAIRED After being repaired, the microwave oven should take down the turntable combination, measure the resistance value of the turntable motor R×1K grade of a multimeter. Then install them to see ... one. 4.Means of the lamp. If the microwave leakage is not connected. 1.19.2 MICROWAVE LEAKAGE Microwave leakage can move flexibly, then the winding of the microwave leakage. 19 If the resistance value is between 15 -22 K, it indicates the turntable motor is the case, it indicates the door ...
Service Manual
Page 22
... near zero" resistance when the door is normal. 1.19.4 MICROWAVE DEFROST Place a graduate of about 250ml water on the turntable glass tray of the oven, power set middle, time set 4 minutes (To those 700W microwave oven) to the owner. 20 If the voltage below 120V but...make the oven operating in your ommeter (digital or analog type) to servicing, a Microwave Leakage Test (a. If the oven is less than 120V. 1.19.3 MICROWAVE HEATING Place a graduate of about 200ml water on the turntable tray. It would be followed: (1). .Inform the distributor; If you have boiled....
... near zero" resistance when the door is normal. 1.19.4 MICROWAVE DEFROST Place a graduate of about 250ml water on the turntable glass tray of the oven, power set middle, time set 4 minutes (To those 700W microwave oven) to the owner. 20 If the voltage below 120V but...make the oven operating in your ommeter (digital or analog type) to servicing, a Microwave Leakage Test (a. If the oven is less than 120V. 1.19.3 MICROWAVE HEATING Place a graduate of about 200ml water on the turntable tray. It would be followed: (1). .Inform the distributor; If you have boiled....
Service Manual
Page 23
...MICROWAVE OVEN AND MEANS OF REPAIRING PHENOMENON 1. When starting the oven, it Change a new diode Change a new transformer Mend the door Change the door Adjust the gap Change the oven Tighten the screws Scrape the oxidized and The oven can heat, but the lamp is not on , the turntable...new capacitor. Change a new interlock switch. Change the time power distributor or the micro-switch. Change a new lamp Insert the plug again Change the turntable motor Inset the plug securely Change the weave 1.Change the fan motor 2.Change the fan 3.Insert the plug 4.Overhauling them . The food can 't...
...MICROWAVE OVEN AND MEANS OF REPAIRING PHENOMENON 1. When starting the oven, it Change a new diode Change a new transformer Mend the door Change the door Adjust the gap Change the oven Tighten the screws Scrape the oxidized and The oven can heat, but the lamp is not on , the turntable...new capacitor. Change a new interlock switch. Change the time power distributor or the micro-switch. Change a new lamp Insert the plug again Change the turntable motor Inset the plug securely Change the weave 1.Change the fan motor 2.Change the fan 3.Insert the plug 4.Overhauling them . The food can 't...
Service Manual
Page 24
Change the hook. The door can't open 10. Overhaul it or renew it or change megaohms. those ... the Test where is too thin cause the wave guide opening not in good earth. SPECIFICATIONS Power Consumption: Microwave Power Output: Operation Frequency: Outside Dimensions(H×W×D): Oven Cavity Dimensions(H×W×D): Oven Capacity: Cooking Uniformity... 120V~60Hz, 1450W 1000W 2450MHz 11.5×17.9×14.5 inches. 8.0×11.7×11.1 inches. 0.7cu.ft Turntable System (Φ12 3/8" ) Approx. 30.2lbs. 22 The door hook broken. After long time using, the wear and...
Change the hook. The door can't open 10. Overhaul it or renew it or change megaohms. those ... the Test where is too thin cause the wave guide opening not in good earth. SPECIFICATIONS Power Consumption: Microwave Power Output: Operation Frequency: Outside Dimensions(H×W×D): Oven Cavity Dimensions(H×W×D): Oven Capacity: Cooking Uniformity... 120V~60Hz, 1450W 1000W 2450MHz 11.5×17.9×14.5 inches. 8.0×11.7×11.1 inches. 0.7cu.ft Turntable System (Φ12 3/8" ) Approx. 30.2lbs. 22 The door hook broken. After long time using, the wear and...
Service Manual
Page 25
COMPONENT CODE NO. Name QTY C01 GA-EM-U1000C01 P.C board 1 C02 GA-EM-U1000C02 turntable motor 1 GA-EM-U1000W03 power cord 1 C03 GA-EM-U1000C03 power cord 1 C04 GA-EM-U1000C04 wire harness 1 C05 GA-EM-U1000C05 transformer 1 C06 GA-EM-U1000C06 microswitch 2 C07 GA-EM-U1000C07 microswitch 1 C08 GA-EM-U1000C08 magnetron 1 23 MICROWAVE OVEN EXPLODED DRAWING EM-U1000BW Parts & Components List PART NO.
COMPONENT CODE NO. Name QTY C01 GA-EM-U1000C01 P.C board 1 C02 GA-EM-U1000C02 turntable motor 1 GA-EM-U1000W03 power cord 1 C03 GA-EM-U1000C03 power cord 1 C04 GA-EM-U1000C04 wire harness 1 C05 GA-EM-U1000C05 transformer 1 C06 GA-EM-U1000C06 microswitch 2 C07 GA-EM-U1000C07 microswitch 1 C08 GA-EM-U1000C08 magnetron 1 23 MICROWAVE OVEN EXPLODED DRAWING EM-U1000BW Parts & Components List PART NO.
Service Manual
Page 26
...-EM-U1000P19 sponge 1 GA-EM-U1000W43 carton 1 P43 P20 GA-EM-U1000P20 upper hinge 1 GA-EM-U1000P43 carton 1 P21 GA-EM-U1000P21 mica sheet 1 P44 GA-EM-U1000P44 packing belt 1 P22 GA-EM-U1000P22 shaft 1 P45 GA-EM-U1000P45 packing nail 8 P23 GA-EM-U1000P23 glass tray 1 P46 GA-EM-U1000P46 Pc board holder 1 P24 GA-EM-U1000P24 turntable support 1 P47 GA-EM...
...-EM-U1000P19 sponge 1 GA-EM-U1000W43 carton 1 P43 P20 GA-EM-U1000P20 upper hinge 1 GA-EM-U1000P43 carton 1 P21 GA-EM-U1000P21 mica sheet 1 P44 GA-EM-U1000P44 packing belt 1 P22 GA-EM-U1000P22 shaft 1 P45 GA-EM-U1000P45 packing nail 8 P23 GA-EM-U1000P23 glass tray 1 P46 GA-EM-U1000P46 Pc board holder 1 P24 GA-EM-U1000P24 turntable support 1 P47 GA-EM...