GE TMW-800T manual

T urbo Air Inc. 1250 VICTORIA ST. CARSON, CA 90746, USA PRINTED DA TE: May . 2003 S/M No. :[...]

Ser vice Manual Micr owave Oven Model: TMW -1 100E TMW -1 100EC TMW -1 100M TMW -1 100MC TMW -800T TMW -800TC S/M No. : http://www .turboairinc.com May . 2003[...]

1 PRECAUTIONS T O BE OBSERVED BEFORE AND DURING SER VICING TO A VOID POSSIBLE EXPOSURE T O EXCESSIVE MICROW A VE ENERGY (a) Do not operate or allow the oven to be operated with the door open. (b) Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source, and make repairs if necessary: (1)[...]

2 SPECIFICATIONS .............................................................................................................................................................43 EXTERNAL VIEW ..............................................................................................................................................................4[...]

3 SAFETY AND PRECAUTIONS CAUTION : This Device is to be Serviced Only by Properly Qualified Service Personnel. Consult the Service Manual for Proper Service Procedures to Assure Continued Safety Operation and for Precautions to be Taken to Avoid Possible Exposure to Excessive Microwave Energy. 1. FOR SAFE OPERATION Damage that allows the microwave [...]

4 SPECIFICA TIONS MODEL TMW-1100E / TMW-1100EC POWER SUPPLY 120V~60HZ, SINGLE PHASE WITH GROUND MICROWAVE 1500 W / 1600 W POWER GRILL CONSUMPTION COMBINATION MICROWAVE ENERGY OUTPUT 1100 W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS (W X H X D) 560X344X483mm (22.0X13.5X19 in.) CAVITY DIMENSIONS (W X H X D) 369X221X400mm (14.5X8.7X15.7 in.) NET W[...]

5 35 4 7 8 1 6 2 1 1 Safety interlock system 2 2 Door viewing screen - Allows viewing of food. The screen is designed so that light can pass through, but not the radiation. 3 3 Door hook - If the door is opened while the oven is operating, it will automatically shoot off. 4 4 Oven cavity 5 5 Door seal - Door seal maintains the microwave energy with[...]

6 PROGRAM DEFR OST ST OP/CLEAR CHECK DOUBLE QU ANTITY POWER ST AR T/ +30SEC 11 1 12 2 13 3 14 4 15 5 16 6 17 7 18 8 19 9 20 10 1 3 4 7 8 2 5 6 9 1 1 Display - Cooking time, power level, indicators are displayed. 2 2 Program - Used to save cooking data. 3 3 Defrost - Used to defrost foods. 4 4 Time Set Pad - Used to set the cooking time or cook prep[...]

7 EXTERNAL VIEW (MECHANICAL) 1-1. OUTER DIMENSION 560 344 483 35 4 7 1 0 1 8 9 6 2 1. Safety interlock system 2. Door viewing screen - Allows viewing of food. The screen is designed so that light can pass through, but not the radiation. 3. Door hook - If the door is opened while the oven is operating, it will automatically shoout off. 4. Oven cavit[...]

8 INST ALLA TION 1. Steady , flat location. This microwave oven should be set on a steady, flat surface. 2. Leave space behind and side. All air vents should be kept clear. If all vents are covered during operation, the oven may be overheated and, eventually, cause oven failure. 3. Away from radio, and TV sets Poor television reception and radio in[...]

9 OPERA TIONS AND FUNCTIONS (ELECTRICAL) 1. Connect the main lead to an electrical outlet. 2. After placing the food in a suitable container, open the oven door and put it on the glass tray. The glass tray must always be in place during cooking. 3. Close the door securely. 4. The oven door can be opened at any time during operation by touching the [...]

10 OPERA TIONS AND FUNCTIONS (MECHANICAL) 1. Connect the main lead to an electrical outlet. 2. After placing the food in a suitable container, open the oven door and put it on the glass tray. The glass tray must always be in place during cooking. 3. Close the door securely. 4. Choose cooking power level by setting V.P.C knob to the desired position[...]

11 DISASSEMBL Y AND ASSEMBL Y Cautions to be observed when trouble shooting. Unlike many other appliances, the microwave oven is high-voltage, high-current equipment. It is completely safety during normal operation. However, carelessness in servicing the oven can result in an electric shock or possible danger from a short circuit. You are asked to [...]

12 1. T o remove cabinet 1) Remove three screws on cabinet back. 2) Push the cabinet backward. 2. T o remove door assembly 1) Remove two screws which secure the stopper hinge top. 2) Remove the door assembly from top plate of cavity. 3) Reverse the above for reassembly. NOTE : After replacing the door assembly, perform a check of correct alignment [...]

13 3. T o remove door parts. REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARK A01 3511610610 DOOR DECORATOR SUS T0.4 1 A02 7001401011 SCREW PAN 4*10 MFZN 2 A03 3512206200 DOOR FRAME ABS 1 A04 3517008100 BARRIER SCREEN*O GLASS T3.2 1 A05 3516602100 DOOR PLATE SBHG-1A T0.7 1 A06 3517007600 BARRIER SCREEN*I PE T0.1 1 A07 3512302310 DOOR GASKET LU[...]

14 4. Method to reduce the gap between the door seal and the oven front surface. (1) To reduce gap located on part ‘ A ’ . • Loosen two screws on stopper hinge top, and then push the door to contact the door seal to oven front surface. • Tighten two screws. (2) To reduce gap located on part ‘ B ’ . • Loosen two screws on stopper hinge[...]

15 5. T o remove control panel parts. REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARK B01 3511610410 DECORATOR C-PANEL SUS T0.4 1 B02 351852400 TOUCH PAD KOR-1P5CBA B03 3516728510 CONTROL PANEL ABS AF-348, VT-0826 1 B04 PKMPMSAJ00 PCB AS KOR-1P5CBA 1 B05 7122401211 TAP SCREW T2S TRS 4X12 MFZN 4 (1) Remove the screw which secure the control pa[...]

16 5-1. T o remove control panel parts. 1) Remove the screw which secure the control panel, push up two snap fits and draw forward the control panel assembly. 2) Remove two screws which secure the timer assembly. 3) Remove the timer assembly. 4) Pull out the timer knob from the timer. 5) Pull out the timer coupler from the timer. 6) Remove the scre[...]

17 NOTE : Never install the magnetron without the metallic gasket plate which is packed with each magnetron to prevent microwave leakage. Whenever repair work is carried out on magnetron, check the microwave leakage. It shall not exceed 4mW/cm 2 for a fully assembled oven with door normally closed. Metalic gasket plate Cooling fin Filament terminal[...]

18 8. T o remove wind guide assembly . 1) Remove two screws which secures the wind guide assembly and cover hole *0 and noise filter. 2) Draw forward the wind guide assembly. 3) Pull the noise filter from the wind guide assembly. 4) Pull the fan from the motor shaft. 5) Remove two screws which secure the motor shaded pole. 6) Remove the motor shade[...]

19 INTERLOCK MECHANISM AND ADJUSTMENT ( ELECTRICAL) The door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation when the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of microwave. (1) Primary interlock switch When the door is closed, the ho[...]

20 TROUBLE SHOOTING GUIDE Following the procedure below to check if the oven is defective or not. 1) Check grounding before trouble shooting. 2) Be careful of the high voltage circuit. 3) Discharge the high voltage capacitor. 4) When checking the continuity of the switches, fuse or high voltage tranformer, disconnect one load wire from these parts [...]

21 CONDITION CHECK Check continuity of magnetron Defective magnetron RESULT No Continuity CAUSE REMEDY Replace Outlet has proper voltage Fuse does not blow. CONDITION CHECK Check continuity of primary interlock switch Malfunction of primary interlock switch RESULT No Continuity CAUSE REMEDY Adjust or replace Oven lamp does not turn on Check continu[...]

22 CONDITION CHECK RESULT Check continuity of high voltage capacitor terminals with wires removed Continuity CAUSE Defective high voltage transformer REMEDY Replace No microwave oscillation Check continuity of high voltage rectifier in forward and backward direction with DC megger Continuity in backward direction Defective high voltage rectifier Re[...]

23 (TROUBLE 4) The following visual conditions indicate a probable defective touch control circuit or membrane switch assembly 1. Incomplete segments, 1) Segments missing. 2) Partical segments missing. 3) Digit flickering other than normal display slight flickering. 4) " :0" does not display when power is on. 2. A distinct change in the d[...]

24 INTERLOCK MECHANISM AND ADJUSTMENT (MECHANICAL) The door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation when the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of microwave. (1) Primary interlock switch When the door is closed, the hoo[...]

25 (TROUBLE 1) Oven does not operate at all ; any inputs can not be accepted. TROUBLE SHOOTING GUIDE Following the procedure below to check if the oven is defective or not. 1. Check grounding before trouble shooting. 2. Be careful of the high voltage circuit. 3. Discharge the high voltage capacitor. 4. When checking the continuity of the switches, [...]

26 Does the oven lamp light? Does the turntable turn? YES YES Continuity Does the fan motor work when you shut the door and turn the timer? Check the isolation of filament winding of high voltage transformer. Replace high voltage transformer. NO Continuity Replace magnetron Good Replace or repair oven lamp, turntable motor. NO If microwave do not o[...]

27 MEASUREMENT AND TEST 1. MEASUREMENT OF THE MICROW A VE POWER OUTPUT Microwave output power can be checked by indirectly mmeasuring the temperature rise of a certain amount of water exposed to the microwave as directed below. PROCEDURE 1. Microwave power output measurement is made with the microwave oven supplied at rated voltage and operated at [...]

28 2. MICROW A VE RADIA TION TEST PROCEDURE 1. Prepare Microwave Energy Survey Meter, 600cc glass beaker, and glass thermometer 100 ° C (212 ° F). 2. Pour 275cc ± 15cc of tap water initially at 20 ± 5 ° C (68 ± 9 ° F) in the 600 cc glass beaker with an inside diameter of approx. 95 mm(3.5 in.). 3. Place it at the center of the tray and set i[...]

29 3. COMPONENT TEST PROCEDURE • High voltage is present at the high voltage terminal of the high voltage transformer during any cooking cycle. • It is neither necessary nor advisable to attempt measurement of the high voltage. • Before touching any oven components or wiring, always unplug the oven from its power source and discharge the capa[...]

30 WIRING DIAGRAM (TMW -1 100EC)[...]

31 WIRING DIAGRAM (TMW -1 100E)[...]

32 WIRING DIAGRAM (TMW -1 100MC)[...]

33 WIRING DIAGRAM (TMW -1 100M)[...]

34 PRINTED CIRCUIT BOARD 1. CIRCUIT CHECK PROCEDURE 1. Low voltage transformer check The low voltage transformer is located on the P.C.B. Measuring condition: Input voltage: 120V / Frequency: 60Hz 2. Voltage Check - Key check point - Check method NOTE 1. Refer to Ciruit Diagram (point 4). 2. Secondary side voltage of the low voltage transformer cha[...]

35 MP1 MP2 Measure point[...]

36 3. When there is no microwave oscillation 1) When touching START pad, oven lamp does not turn on. Fan motor do not rotate, but cook indicator in display comes on. ✻ Cause : RELAY 2 does not operate. → refer to Circuit Diagram (point 3) - Check method 2) When touching START pad, oven lamp turns on. Fan motor rotates and cook indicator in disp[...]

37 2. P .C.B. CIRCUIT DIAGRAM[...]

38 NO NAME SYMBOL SPECIFICATION PART CODE Q’TY 1 BUZZER BZ1 BM-20K 3515600100 1 2 CAPACITOR CERA C1~9 HIKF 50V 0.1MF Z AXIAL CCZF1H104Z 9 3 CAPACITOR ELEC EC2 50V RS 10MF (5X11) TP CEXE1H100A 1 4 CAPACITOR ELEC EC6 50V RSS 100MF (8X11.5) TP CEXF1H101V 1 5 CAPACITOR ELEC EC4 35V RS 220MF 10*20 CEXE1V221A 1 6 CAPACITOR ELEC EC7 50V RSS 220MF (10X16[...]

39 EXPLODED VIEW AND P AR TS LIST (ELECTRICAL) 1. DOOR ASSEMBL Y Refer to Disassembly and assembly 2. CONTROL P ANEL ASSEMBL Y Refer to Disassembly and assembly 3. TOT AL ASSEMBL Y[...]

40 NO PART CODE PART NAME DESCRIPTION Q'TY NOTE PUBLIC USE A00 3511718600 DOOR AS KOR-1P55BA 1 ✔ B00 PKCPSWAJ00 CONTROL-PANEL AS KOR-1P5CBA 1 F01 3516115700 CAVITY AS KOR-1P55BA 1 ✔ F02 3518901700 THERMOSTAT OFF:80 ON:50 H #187 1 ✔ F03 7121400611 SCREW TAPPING T2S PAN 4X6 MFZN 1 ✔ F04 3966820710 MOTOR SYNCRO 120V 2.4W ST-16 KX63MRAA 1 [...]

41 EXPLODED VIEW AND P AR TS LIST (MECHANICAL) 1. DOOR ASSEMBL Y Refer to Disassembly and assembly 2. CONTROL P ANEL ASSEMBL Y Refer to Disassembly and assembly 3. TOT AL ASSEMBL Y[...]

42 NO PART CODE PART NAME DESCRIPTION Q'TY NOTE PUBLIC USE A00 3511718600 DOOR AS KOR-1P55BA 1 ✔ B00 3516728700 CONTROL-PANEL AS KOR-1P55BA 1 F01 3516115700 CAVITY AS KOR-1P55BA 1 ✔ F02 3518901700 THERMOSTAT OFF:80 ON:50 H #187 1 ✔ F03 7121400611 SCREW TAPPING T2S PAN 4X6 MFZN 1 ✔ F04 3966820710 MOTOR SYNCRO 120V 2.4W ST-16 KX63MRAA 1 [...]

43 MODEL TMW-800T / TMW-800TC POWER SUPPLY 120V~60Hz, SINGLE PHASE WITH EARTHING MICROWAVE 1,200 W POWER CONSUMPTION GRILL COMBINATION MICROWAVE ENERGY OUTPUT 800W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS (W X H X D) 465 x 279 x 370 mm (18.3 x 11.0 x 14.5 in) CAVITY DIMENSIONS (W X H X D) 290 x 211 x 306 mm (11.4 x 8.3 x 12.0 in.) NET WEIGHT [...]

44 EXTERNAL VIEW 1. OUTER DIMENSION 6 2 4 7 3 5 11 1 9 10 8 1. Safety interlock system 2. Door viewing screen - Allows viewing of food. The screen is designed so that light can pass through, but not the microwave. 3. Door hook - When the door is closed, it will automatically shut off. If the door is opened while the oven is operating, the automatic[...]

45 1. Steady , flat location. This microwave oven should be set on a steady, flat surface. 2. Leave space behind and side. All air vents should be kept a clearance. If all vents are covered during operation, the oven may be overheated and, eventually, cause oven failure. 3. Away from radio, and TV sets Poor television reception and radio interferen[...]

46 OPERA TIONS AND FUNCTIONS 1. Connect the main lead to an electrical outlet. 2. After placing the food in a suitable container, open the oven door and put it on the glass tray. The glass tray must always be in place during cooking. 3. Close the door securely. 4. Choose cooking power level by setting V.P.C knob to the desired position. Refer to co[...]

47 DISASSEMBL Y AND ASSEMBL Y Cautions to be observed when trouble shooting. Unlike many other appliances, the microwave oven is high-voltage, high-current equipment. It is completely safety during normal operation. However, carelessness in servicing the oven can result in an electric shock or possible danger from a short circuit. You are asked to [...]

48 1. T o remove cabinet 1) Remove three screws on cabinet back. 2) Push the cabinet backward. 2. T o remove door assembly 1) Remove two screws which secure the stopper hinge top. 2) Remove the door assembly from top plate of cavity. 3) Reverse the above for reassembly. NOTE : After replacing the door assembly, perform a check of correct alignment [...]

49 4. Method to reduce the gap between the door seal and the oven front surface. (1) To reduce gap located on part ‘ A ’ • Loosen two screws on stopper hinge top, and then push the door to contact the door seal to oven front surface. • Tighten two screws. (2) To reduce gap located on part ‘ B ’ • Loosen two screws on stopper hinge und[...]

50 5. T o remove control panel parts. 1) Remove the screw which secure the control panel, push up two snap fits and draw forward the control panel assembly. 2) Remove two screws which secure the timer assembly. 3) Remove the timer assembly. 4) Pull out the timer knob from the timer. 5) Pull out the timer coupler from the timer. 6) Remove the screw [...]

51 6. T o remove high voltage capacitor . 1) Remove a screw which secure the grounding ring terminal of the H.V. diode and the capacitor holder. 2) Remove the H.V. diode from the capacitor holder. 3) Reverse the above steps for reassembly. ◆ High voltage circuit wiring[...]

52 7. T o remove magnetron. 1) Remove a screw which secure the magnetron. 2) Remove the magnetron. 3) Reverse the above steps for reassembly. NOTE : Never install the magnetron without the metallic gasket plate which is packed with each magnetron to prevent microwave leakage. Whenever repair work is carried out on magnetron, check the microwave lea[...]

53 8. T o remove wind guide assembly . 1) Remove two screws which secure the wind guide assembly and cover hole *0 and noise filter. 2) Draw forward the wind guide assembly. 3) Pull the noise filter from the wind guide assembly. 4) Pull the fan from the motor shaft. 5) Remove two screws which secure the motor shaded pole. 6) Remove the motor shaded[...]

54 INTERLOCK MECHANISM AND ADJUSTMENT The door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation when the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of microwave. (1) Primary interlock switch When the door is closed, the hook locks the o[...]

55 (TROUBLE 1) Oven does not operate at all ; any inputs can not be accepted. TROUBLE SHOOTING GUIDE Following the procedure below to check if the oven is defective or not. 1. Check grounding before trouble checking. 2. Be careful of the high voltage circuit. 3. Discharge the high voltage capacitor. 4. When checking the continuity of the switches, [...]

56 Does the oven lamp light? Does the turntable turn? YES YES Continuity Does the fan motor work when you shut the door and turn the timer? Check the isolation of filament winding of high voltage transformer. Replace high voltage transformer. NO Continuity Replace magnetron Good Replace or repair oven lamp, turntable motor. NO If microwave do not o[...]

57 MEASUREMENT AND TEST 1. MEASUREMENT OF THE MICROW A VE POWER OUTPUT Microwave output power can be checked by indirectly measuring the temperature rise of a certain amount of water exposed to the microwave as directed below. PROCEDURE 1. Microwave power output measurement is made with the microwave oven supplied at rated voltage and operated at i[...]

58 2. MICROW A VE RADIA TION TEST PROCEDURES 1 . Prepare Microwave Energy Survey Meter, 600cc glass beaker, and glass thermometer 100 ˚ C(212 ˚ F). 2. Pour 275cc± 15cc of tap water initially at 20± 5 ˚ C(68±9 ˚ F) in the 600cc glass beaker with an inside diameter of approx. 95mm(3.5in.). 3. Place it at the center of the tray and set it in a [...]

59 3. COMPONENT TEST PROCEDURE • High voltage is present at the high voltage terminal of the high voltage transformer during any cooking cycle. • It is neither necessary nor advisable to attempt measurement of the high voltage. • Before touching any oven components or wiring, always unplug the oven from its power source and discharge the capa[...]

60 WIRING DIAGRAM (TMW -800TC)[...]

61 GN : GREEN BR : BROWN : HIGH : ON TIMER DOOR : CLOSED CONDITION GM : GEARED MOTOR [ CL : CAVITY LAMP FM : FAN(BLOWER) MOTOR RD : RED WH : WHITE BK : BLACK OR : ORANGE BL : BLUE GY : GRAY ] GE : GREEN/YELLOW TM : TIMER MOTOR V.P.C.: VARIABLE POWER CONTROLLER V.P.C. NOTE : OR TM 1 3 2 M TIMER ASS ’ Y GM FM SECONDARY WH PRIMARY INTERLOCK INTERLOC[...]

62 1. DOOR ASSEMBL Y Refer to Disassembly and assembly . 2. CONTROL P ANEL ASSEMBL Y Refer to Disassembly and assembly . 3. TOT AL ASSEMBL Y EXPLODED VIEW AND P AR TS LIST[...]

63 NO PART CODE PART NAME DESCRIPTION Q'TY NOTE A00 3511715310 DOOR AS KOR-63555A 1 B00 3516726660 CONTROL PANEL AS KOR-63555A 1 F01 3510805000 CABINET SECC T0.5 1 F02 3516004100 SPECIAL SCREW T1 TRS LR4 POLE 4X10 MFZN 3 F03 3516109500 CAVITY AS KOR-63150S 1 F04 3518906300 THERMOSTAT OFF:100 ON:60 H#187 1 F05 7121300611 SCREW TAPPING T2S PAN 3[...]

담 담 당 당 이 이 준 준 철 철 님 님 T T E E L L M M O O D D E E L L TMW-1100E(EC,M,MC),800T(TC) 접 접 수 수 2 2 0 0 0 0 3 3 . . 0 0 6 6 . . 2 2 7 7 1차 6차 2차 7차 일 일 정 정 3차 8차 4차 9차 5차 1 0차 제 제 판 판 인 인 쇄 쇄 규 규 격 격 M M E E M M O O 연 연 락 락 처 처 V V I I S S I I O O N N 담 ?[...]