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Sharp R-1500AT Service Manual Download Page 47

R1500AT

12 – 8

[5] Figure S-4. Control Unit/ Antenna sensor/ Microwave Sensor Circuit

COM1

COM2

COM3

COM4

E

F

G

DP

D

C

B

A

7

10
11
12
13

6
5
4
3
2
1

15

8

9

ON

DEF

NO .

x2

x3

CH ECK

D401

O

G

I

IC101

KM5624-11-S24

KT5221-43

X6

VSS

RESET

RXD

TEST

TXD

VDD

6 
5

3 
2

4

R401HSC278

1K

KTB1424

ANT401

1W200

1W200

1K

CSTLS4M00G56-P18

1

5432

7

8

9

6

4.7K

X4

1

2

3

4

1

5

6

7

2

3

4

1

5

6

7

2

3

4

1

5

6

7

8

3

4

1

2

A0

A1

A2

VSS

VCC

TEST

SCL

SDA

IC121

6

5

8

7

1K

1/4W

3.3K

KRA102S

4.7K

4.7K

4.7K

KTC3875

4.7K

10u/50V

KIA7805AP

47u/35V

1W820

1/4W

18K

4.7K

4.7K

10u/50V

KRC101S

KRA102S

1/4W

100

4.7K

4.7K

4.7K

4.7K

4.7K

4.7K

KRC101S

KRC101S

KRC106S

KRC106S

4.7K

1.8KF

3.32KD

4.7K

51KF

P47

P46

P45

P44

P43

P42

P41

P40

TC10

P36

P35

P34

P33

P32

DV0

P50

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

VSS

XIN

XOUT

TEST

VDD

P2v

P22

RESET

P20

P00

P01

P02

AVDD

AVREF

AIN0

AIN1

AIN2

AIN3

AIN4

AIN5

AIN6

AIN7

AVSS

INT0

P83

P84

P85

P86

P87

COM3

COM2

COM1

COM0

V3

V2

V1

C1

C0

P81

P82

P66

P65

P64

P63

P62

P61

P60

P57

P56

P55

P54

P53

P52

P51

P72

P71

P70

P67

P74

P73

P75 
P76

P80

P77

C11

R12

(C12)

R11

(R13)

C13

(ZD11)

C14

C15

(Q11)

IC11

R31

R32

R33

R34

Q31

C31

C32

C22

C16

0.01u/50V

C21

R21

R22

IC21

4.7K

4.7K PST422

A290

Q41

Q42

Q43

Q44

C41

Q46

R49

BZ1

R48

R47

D51

D52

R51

R52

C51

14

R69

R68

R67

R66

R65

R64

R63

R62

R61

R60

R59

R58

R57

R56

IKID65004AFC61

R56-R63 1W

820

x8

R64-R69

1/4W

750

˜

6

R71

R79-R83

4.7K

X5

R74

R73

R72

C71

C72

C73

C74

C71-C74

330p/50V

x4

R75

R76

R77

R78

R75-R78 100K

x

4

R71-R74

R79

R81

R80

R82

R83

C101

C102

R101

0.01u

/50V

(D11)

R102

C103

R103

2

3

1

5

7

6

8

+

-

2

3

1

4

8

+

-

+

-

R104

KIA358

C104

D101

D102

R105

R106

R107

C105

C106

R108

62KF

180KF

180

15KF

4.7KF

R109

R110

㧔

R111

㧕

(R113)

R100K114

IC101

1K

R115

C121

R121

R124

R122

R123

47K

47K

4.7K

4.7K

R98

R99

1M

10K

CF1

KRA101S

Q131

R132

F-22

G-10

G-8

NOT

INSERT

PARTS

IR

SENSOR

<MICROWAVE

SENSOR>

SENSOR

ASSY

<ANT.

SENSOR>

SENSING

SW

<ANT.

SENSOR>

SENSING

SW

G-9

G-5

1

2

3

1

1

2

2

3

G-1

G-2

G-3

G-4

G-7

G-6

F-24

F-26

TH2

TH1

TH1

MAG

TH2

MAG

GND-5

(R134)

R131

1.5KF

1.5KF

10K

1K

300KF

150KF

KIA358

KRA101S

(R133)

C131

C132

R136

4.7K

4.7K

1K

R135

Q181

R181

R184

R183

R185

R186

C182

R137300KF

C181

C183

IC181

D181

R182

D141

R141

4.7K

4.7K

R142

R143

C141

C152

C151

R157

R155

R154

R153

R152

Q152

4.7K

4.7K

4.7K

Q151

D91

C91

R91

10K

D95

R95

C95

D161

D162

C161

R161

Q161

R162

R163

R164

Q162

C163

Q171

R173

R174

R176

R175

C171

C172

IC1

0.01u/50V

KRC101S

1K

Q48

S2

S1

CN-S

Q47

KRC101S

KRC101S

KRC101S

Q49

16

Q69

Q68

Q

67

Q66

Q65

Q

64

Q63

Q62

Q58

Q57

Q56

Q

55

Q54

Q53

Q52

Q58-Q52

KRC101S

˜

7

Q69-Q62

KRA102S

˜

8

F1

CN-F

F2

LD11

LD12

LD13

LD14

LD15

LD16

LD1

CN-R

CN-Q

R156

P54

P36

P35

P34

VCH

VCH

P74

P75

P76

P77

P81

P82

P83

P84

P85

P86

AIN0

AIN1

AIN2

AIN3

AIN4

AIN5

AIN6

AIN7

P73

12

9

8

6

11

10

7

5

4

3

2

1

P72

P71

P70

P67

P66

P65

P64

P63

P62

P61

P60

P57

P56

P53

TC10

P51

P52

P55

P01

P02

DV0

P32 
P33

P34 
P35

P40

P41

P42

P43

P44

P45

P46

P47

P50

1

2

3

4

0.01u

4

0.01u

KRA222S

2.2K

R151

C162

R41

100

0.01u/

50V

0.01u/

50V

0.01u/

50V

3

12

13

14

15

16

G

17

18

11

4

5

6

7

8

11

2

11

10

19

9

9

11

29

29

29

11

11

21

22

23

24

25 26 27

31

32

33

34

35

36

37

38

11

39

40

41

42

43

44

45

46

47

50

48

49

51

52

53

54

55

19

G

R165

C164

R166

Q172

R171

1/4W

10K

R172

1/4W 10K

KRC101S

(CN-X)

R402

C401

51

(

)

(

)

(

)

0.1u/50V

PT501

R501

Q501

10K

CN-K

CN-N

CN-N

CN-G

330p/50V

10K

KTC3198

1/4W

JP1

R116

(R117)

R118

H-1

H-2

H-3

CN-H

DOOR

F1

RY3

F17

RY2

F19

RY4

F13

RY1

F15

RY5,

6

(RY5,

6)

I-SENS

F-25

EX-IN

F-6

FANIN1

F-18

FAN

+

F-16

PWM

F-10

24V-2

F-4

24V-1

F-5

24V-2

F-3

V-SENS

F-23

INT

F-11

GND-1

F-9

GND-2

F-8

GND-2

F-7

FAN

-

F-12

FAN

+

F-14

FAN

IN2

F-20

F21

0

10K

10K

10K

P80

Q101

KRC101S

(D103)

PT501

R501

Q501

10K

KTC3198

1/4W

D68

D74

D73

D72

D71

D70

D69

D63 
D64 
D65 
D66 
D67

D61 
D62

Q64

Q65

Q66

Q67

Q68

Q69

0.01u/50V

0.01u/50V

R190 1/4W

1.5K

1M

1M

CN-M

CN-Z

<

K

EY

UNIT

>

<

C

ONTROL

UNIT

>

<

BUZZER

U

NIT

>

PWB

UNIT

<S

WU

N

IT

>

<

DOOR

KEY

UNIT

>

<

C

PU

UNIT

>

AH

SENSOR

V.S.

RELA

Y(1),

(2)

FA

N

MOT

OR

EXHAUST

MOT

OR

(

):

N

OT

INSERT

PARTS

<NOTE>

IF

NOT

SPECIFIED

CPU

UNIT,

SENSOR

ASSY

:

K

DS160(CHIP)

:

1SS133(AX)

:

0

.1u/50V(CHIP)

:

1

/10W

J%(CHIP)

CONTROL

UNIT

Summary of Contents for R-1500AT

Page 1: ... ADJUSTMENT PROCEDURE CHAPTER 10 MICROWAVE MEASUREMENT CHAPTER 11 TEST DATA AT A GLANCE CHAPTER 12 CIRCUIT DIAGRAMS Parts List S5902R210ATPH SERVICE MANUAL R1500AT CONTENTS This document has been published to be used for after sales service only The contents are subject to change without notice TopPage COMMERCIAL MICROWAVE OVEN R 1500AT R 2100AT MODELS In the interests of user safety the oven shou...

Page 2: ...VICING 7 1 2 SERVICING FOR BRINTED WIRING BOARDS 7 7 CHAPTER 8 PRECAUTIONS FOR USING LEAD FREE SOLDER CHAPTER 9 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 1 WARNINGS 9 1 2 OUTER CASE AND REAR COVER RE MOVAL 9 1 3 POWER TRANSFORMERS 1 AND OR 2 REMOVAL 9 2 4 MAGNETRONS 1 AND OR 2 RE MOVAL 9 2 5 MAGNETRON THERMISTOR ASSEM BLY REPLACEMENT 9 2 6 HIGH VOLTAGE CAPACITOR AND HIGH VOLTAGE RECTIFIER ASS...

Page 3: ... is tightly closed B The door brackets and hinges are not defective C The door packing is not damaged D The door is not deformed or warped E There is not any other visible damage with the oven Servicing and repair work must be carried out only by trained service engineers Removal of the outer wrap gives access to potentials above 250V All the parts marked on parts list may cause undue microwave ex...

Page 4: ...magnetron or other microwave generating devices if it is improperly used or connected All input and output microwave connections waveguides flanges and gaskets must be secured Never operate the device without a microwave energy absorbing load attached Never look into an open waveguide or antenna while the device is energized ...

Page 5: ...ect the leads to the primary of the high voltage transformer Ensure that these leadsre main isolated from other components and the oven chas sis Use insulation tape if necessary When the testing is completed carry out 3D checks and reconnectthe leads to the primary of the high voltage transformer Microwave ovens should not be run empty To test for the presence of microwave energy within a cavity p...

Page 6: ...R1500AT 2 2 ...

Page 7: ...R1500AT 2 3 ...

Page 8: ...late 17 Splash cover ITEM DESCRIPTION Power Requirements Single phase 230V 50Hz 3 wire earthed Power Consumption R 1500AT 2 3kW R 2100AT 3 0kW Power Output R 1500AT 1500W Operating frequency 2450 MHz IEC60705 R 2100AT 2100W Operating frequency 2450 MHz IEC60705 Outside Dimensions 445mm W x 573mm D x 346mm H including feet Cooking Cavity Dimensions 356mm W x 326mm D x 177mm H Control Complement Tou...

Page 9: ...sure that they are at equivalent potential If any lead wire is not connected between them when person touch them he she will get a electric shock Figure A 1 1 2 3 4 5 6 8 9 5 6 7 1 MANUAL REPEAT pad 2 POWER LEVEL pad 3 DOUBLE TRIPLE QUANTITY pad 7 Ten number pads 8 EXPRESS DEFROST pad 9 SET MEMORY pad DOOR SIDE 4 CUSTOM SETTING pad 5 STOP CLEAR pad 6 START pad COMMERCIAL MICROWAVE OVEN OTHER COMME...

Page 10: ... minute Because the contacts of RY4 have been closed And also the oven lamp and antenna motors will operated at the same time 7 When the door is opened during a cook cycle monitor switches SW3 SW4 door sensing switch SW5 secondary interlock switches SW1 SW2 and primary interlock relay RY1 are activated with the following results The circuits to the high voltage compo nents are de energized 8 The m...

Page 11: ...2 TEST THE DOOR SENSING SWITCH SW5 PRIMARY INTERLOCK RELAY RY1 SECONDARY INTERLOCK SWITCHES SW1 SW2 DOOR SENSING SWITCH SW5 AND MONITOR SWITCHES SW3 SW4 FOR PROPER OPERATION REFER TO CHAPTER TEST PROCE DURE 5 WEAK POINT F1 F2 1 The weak point blows when the contacts COM NO of the primary interlock relay RY1 and secondary interlock switch SW1 or SW2 remain closed with the oven door open and when th...

Page 12: ...SOR The microwave sensor is located on the top of the oven cavity And it watch if the microwave is radiated into the oven cavity or not 16 WEAK POINT IN THE NOISE FILTER If the wire harness or electrical components make a short circuited this weak point blows to prevent an electric shock or fire hazard 17 H V ASYMMETRIC RECTIFIER 1 2 The H V asymmetric rectifiers 1 2 are solid state devices that p...

Page 13: ...N PROBLEM COOKING CONDITION POSSIBLE CAUSE AND DEFECTIVE PARTS TEST PROCEDURE MAGNETRON MG1 MG2 POWER TRANSFORMER T1 T2 H V RECTIFIER ASSEMBLY 1 2 HIGH VOLTAGE CAPACITORC1 C2 SECONDARY INTERLOCK SWITCH SW1 SW2 PRIMARY INTERLOCK SYSTEM DOOR SENSING SWITCH SW5 MONITOR SWITCH SW3 SW4 WEAK POINT in Noise filter MAGNETRON TEMP FUSE TF1 TF2 OVEN TEMPERATURE FUSE TF3 OVEN LAMP OR SOCKET FAN MOTORS FM EXH...

Page 14: ...Frequency of power supply is high EE 1 Failer of high voltage circuit 1 EE 2 Failer of high voltage circuit 2 EE 3 Failer of high voltage circuit 1 2 EE 4 Too high of input voltage 13 EE 5 Too low of input voltage 13 EE 7 Food burned temp too high EE 8 Melted contacts of relays EE 9 Over maximum cooking time EE 10 EEPROM error EE 11 Life end of magnetron MG1 EE 21 Life end of magnetron MG2 EE 31 L...

Page 15: ...ure of the water is 10 1 C 4 Select the initial and final water temperature so that the maximum difference between the final water temperature and the ambient temperature is 5 C 5 Select stirring devices and measuring instruments in order to minimize addition or removal of heat 6 The graduation of the thermometer must be scaled by 0 1 C at minimum and an accurate thermometer 7 The water load must ...

Page 16: ...OUT 4R CHECKS 2 ASYMMETRIC RECTIFIER TEST 1 CARRY OUT 3D CHECKS 2 Isolate the high voltage rectifier assembly from the HV circuit The asymmetric rectifier can be tested using an ohmmeter set to its highest range across the terminals A B of the asymmetric rectifier and note the reading obtained Reverse the meter leads and note this second reading If an open circuit is indicated in both directions t...

Page 17: ...T 3D CHECKS 2 Isolate the switch and connect the ohmmeter to the common COM and normally open NO terminal of the switch The meter should indicate an open circuit with the door open and a closed circuit with the door closed If improper operation is indicated replace the door sensing switch 3 CARRY OUT 4R CHECKS 2 PRIMARY INTERLOCK RELAY RY1 1 CARRY OUT 3D CHECKS 2 Disconnect two 2 wire leads from t...

Page 18: ...EMPERATURE FUSE TEST 1 CARRY OUT 3D CHECKS 2 A continuity check across the temperature fuse terminals should indicate a closed circuit unless the temperature of the temperature fuse reaches specified temperature as shown below 3 CARRY OUT 4R CHECKS CAUTION IF THE TEMPERATURE FUSE INDICATES AN OPEN CIRCUIT AT ROOM TEMPERATURE REPLACE TEMPERATURE FUSE 12 L MAGNETRON THERMISTOR TEST 1 CARRY OUT 3D CH...

Page 19: ...losed either close the door or short the door sensing switch connector Use the Key unit matrix indicated on the control panel schematic and place a jumper wire between the pins that correspond to the STOP CLEAR pad making momentary contact If the control unit responds by clearing with a beep the key unit is faulty and must be replaced If the control unit does not respond it is faulty and must be r...

Page 20: ... CN21 as follows i Disconnect the power supply cord and then remove outer case and rear cover ii Open the door and block it open iii Discharge two high voltage capacitors iv Disconnect the leads to the primary of the power transformer v Ensure that these leads remain isolated from other components and oven chassis by using insulation tape vi Check the voltage between Pin No1 and No2 of CN21 vii Th...

Page 21: ...EE25 or EE35 if the antenna motors control unit and wiring are normal the antenna sensor may be defective 20 T MICROWAVE SENSOR TEST There is no test procedure for the microwave sensor When the error history display shows EE18 EE28 or EE38 if the magnetrons control unit and wiring are normal the microwave sensor may be defective ...

Page 22: ...s set Table 4 Using time or number of times about each part Set Contents decimal Max Data clear New data set SF 2 Total cooking number of times 9999 x100 times contents key Display After plug in Check clear and set of using time or number of times 2 SF 2 Error history 4 SF 4 Check of AC supply voltage 5 SF 5 Exhaust thermistor check 6 SF 6 Yes Set standard voltage for production 7 SF 7 Yes Model n...

Page 23: ... hours to 2000 hours if need The timing that CC1 or CC2 is shown in the display can be changed Operation Display Indicator Sound within 20 sec POWER LEVEL SET MEMORY START STOP CLEAR 2 after 1 sec 1 MANUAL REPEAT START STOP CLEAR CHECK CHECK 0 0 0 0 SF SF2 9577 total counter for serviced x 100 1260 0 SF 2 0 Operation Display Indicator Sound within 20 sec POWER LEVEL SET MEMORY START STOP CLEAR 2 a...

Page 24: ...th EE1 or EE2 and last other error code will be deleted So EE1 or EE2 is not memorized as the error his tory to avoid above problem when they set up the case 2 3 Check of AC supply voltage SF 5 You can check the current voltage of AC supply For example Procedure to check current voltage In case of over 230V For example Procedure to check current voltage In case of under 230V For example Procedure ...

Page 25: ...ter load is necessary the display will show no as follows In that case the exhaust thermistor should be checked or replaced Operation Display Indicator Sound within 20 sec within 20 sec plug in POWER LEVEL SET MEMORY START STOP CLEAR 6 START after 5 min STOP CLEAR STOP CLEAR ON or 0 0 0 0 SF SF 6 5 00 count down OH SF 1 0 or Operation Display Indicator Sound within 20 sec within 20 sec plug in POW...

Page 26: ...example Procedure to set the standard voltage in case input voltage is 230V 1V For example In case that AC supply voltage is out of range from tentative memorized voltage 240V 10 230V 12 the display will show as follows At that time the voltage of AC power may be not suitable or the control unit and or the relay unit may be out of order For example Procedure to set standard voltage at 230V 230V 1V...

Page 27: ...e to check the model name and making date of software 1 The display will show c21H or c15H c21H means model R 2100AT c15H means model R 1500AT Operation Display Indicator Sound within 20 sec POWER LEVEL SET MEMORY START STOP CLEAR CUSTOM STOP CLEAR plug in 0 0 0 0 SF cXXH XXXX XXXX 0 within 20 sec 1 model name date time ...

Page 28: ...ed wiring boards and the oven itself is so short that the they can t be separated For those models check and repair all the printed wiring boards sensor related ones included of the printed wiring boards while keeping it connected to the oven b On some models the power supply cord between the printed wiring boards and the oven proper is long enough that they may be separated from each other For th...

Page 29: ... adjusted accordingly Soldering As the melting point of lead free solder Sn Ag Cu is higher and has poorer wet ability flow to prevent damage to the land of the PWB extreme care should be taken not to leave the bit in contact with the PWB for an extended period of time Remove the bit as soon as a good flow is achieved The high content of tin in lead free solder will cause premature corrosion of th...

Page 30: ...door handle lever with the other this causes the latch leads to rise it is then possible to hear a click as the door switches operate 3 Visually check the door and cavity face plate for damage dents cracks signs of arcing etc Carry out any remedial work that is necessary before operat ing the oven Do not operate the oven if any of the following conditions exist 1 Door does not close firmly 2 Door ...

Page 31: ...te S to each magnetron 1 and or 2 11 Remove the two 2 partition plate S from each magnetron 1 and or 2 12 Now the magnetrons 1 and or 2 are free CAUTION WHEN REPLACING MAGNETRON BE SURE THE R F GASKET IS IN PLACE AND MOUNTING SCREWS ARE TIGHTENED SECURELY NOTE Whenever the magnetron is replaced replace the weak point for fan motor too 5 MAGNETRON THERMISTOR ASSEMBLY REPLACEMENT 1 REMOVAL 1 CARRY O...

Page 32: ...f the cord bushing as shown in the Figure C 2 2 Install the cord bushing with the power supply cord into the hole of the power supply cord angle with the bushing pliers 3 Reinstall the power supply cord angle to the capacitor unit angle with the one 1 screw 4 Install the earth wire of the power supply cord to the oven cavity with the one 1 screw 5 Connect the brown wire lead of the power supply co...

Page 33: ...ntrol panel case 4 Remove three 3 screws holding the control panel to the oven cav ity face plate 5 Now the control panel assembly is free 6 Remove five 5 screws holding the control unit to the panel fixing plate 7 Remove the CPU protect sheet from the control unit 8 Now the control unit is free CAUTION When installing the control unit into the control panel frame 1 Be careful not to damage any of...

Page 34: ... CARRY OUT 3D CHECKS If the door sensing switch secondary interlock switches SW1 SW2 and monitor switches SW3 SW4 do not operate properly due to a misadjustment the following adjustment should be made 2 Loosen the two 2 screws holding latch hook to the oven cavity front flange 3 With door closed adjust latch hook by moving it back and forth and up and down In and out play of the door allowed by th...

Page 35: ... door with an approved microwave survey meter Refer to Micro wave Measurement Procedure NOTE The door on a microwave oven is designed to act as an elec tronic seal preventing the leakage of microwave energy from oven cavity during cook cycle This function does not require that door be air tight moisture condensation tight or light tight Therefore occasional appearance of moisture light or sensing ...

Page 36: ...removing door panel 1 Remove the latch spring from the latch angle assembly and the latch lever 2 Remove the one 1 screw holding the latch angle assembly to the door frame 3 Remove the four 4 screws holding the latch angle assembly to the door handle 4 Now the door handle is free 5 Remove the door lever from the latch heads 6 Remove the door lever from the handle cover by releasing the tabs 7 Now ...

Page 37: ...t from the lamp angle assembly 4 Remove the lamp spacer from the lamp socket 5 Pull the wire leads from the oven lamp socket by pushing the termi nal hole of the oven lamp socket with the small flat type screw driver 6 Now the oven lamp socket is free Figure C 8 Oven lamp socket Oven lamp socket Terminal Wire lead Terminal hole Flat type small screw driver ...

Page 38: ...rmance standard for microwave ovens must be used for testing Recommended instruments are NARDA 8100 NARDA 8200 HOLADAY HI 1500 SIMPSON 380M 2 Place the oven tray into the oven cavity 3 Place the load of 275 15ml of water initially at 20 5 C in the centre of the oven tray The water container should be a low form of 600 ml beaker with inside diameter of approx 8 5cm and made of an electrically non c...

Page 39: ...750kΩ at the room temperature Magnetron thermistor Lower TH Approx 750kΩ at the room temperature Oven lamp OL 240V 25W High voltage capacitor for R 1500AT C1 C2 0 82μF AC 2300V High voltage capacitor for R 2100AT C1 C2 1 13μF AC 2300V Power transformer T1 T2 Filament winding 1Ω Secondary winding Approx 76Ω Primary winding Approx 1 3Ω Magnetron MG1 MG2 Filament 1Ω Filament chassis Ω WARNING DISCONN...

Page 40: ...TOR SWITCH SW3 MONITOR SWITCH COOK RELAY 2 OVEN TEMP FUSE TF3 PRIMARY INTERLOCK RELAY SW5 DOOR SENSING SWITCH RELAY UNIT CONTROL UNIT EM FF FM FM OL AM AM RY2 RY3 230V 50Hz LINE L GRN WEAK POINT SWITCHING POWER SUPPLY UNIT Noise Filter FAN MOTOR DC24V EXHAUST FAN DC24V FA F FA F R 1500AT 0 82uF NEUTRAL N COOK RELAY 1 MAGNETRON TEMP FUSE TF1 MAGNETRON TEMP FUSE TF2 MAGNETRON THERMISTOR 1 TH MAGNETR...

Page 41: ...NITOR SWITCH COOK RELAY 2 OVEN TEMP FUSE TF3 PRIMARY INTERLOCK RELAY SW5 DOOR SENSING SWITCH RELAY UNIT CONTROL UNIT EM FF FM FM OL AM AM RY2 RY3 230V 50Hz LINE L GRN WEAK POINT SWITCHING POWER SUPPLY UNIT Noise Filter FAN MOTOR DC24V EXHAUST FAN DC24V FA F FA F R 1500AT 0 82uF F1 WEAK POINT F2 WEAK POINT WEAK POINT WEAK POINT NEUTRAL N COOK RELAY 1 MAGNETRON TEMP FUSE TF1 MAGNETRON TEMP FUSE TF2 ...

Page 42: ...e Wire holder LEFT SIDE VIEW RIGHT SIDE VIEW Black Red Brown Gray White Brown Blue Blue Blue case Yellow Blue case Green Yellow wire of power supply cord Earth position of power unit and door sensing switch Brown wire of power supply cord Blue wire of power supply cord Current transformer CT1 Wire leads to cook relay Harness of exhaust thermistor Sensor harness CPU harness Key unit ribbon cable Co...

Page 43: ...h SW2 Secondary interlock switch SW5 Door sensing switch SW3 Monitor switch Main wire harness DC harness 22 LATCH SWITCHES MG1 Magnetron FA FA F Power transformer 1 T2 Power transformer High voltage capacitor 1 C1 T1 C2 High voltage rectifier 1 High voltage rectifier 2 Asymmetric rectifier 1 Asymmetric rectifier 2 High voltage capacitor 2 MG2 Magnetron Wiring of high voltage components F ...

Page 44: ...UPPLY UNIT Main wire harness Main wire harness Main wire harness RED 1 2 GRN CN21 RED 1 2 GRN CN E RED WHT 1 2 3 4 5 BLK CN A DC harness 12 DC harness 12 DC harness 12 CPU harness Grounding wire Primary interlock relay RY1 Cook relay 1 RY2 Cook relay 2 RY3 RED BLU RED BLU BLK BLK YLW BRN GRN 1 2 3 13 12 11 10 9 8 7 6 5 4 3 2 1 ORG RED YLW YLW YLW YLW YLW YLW YLW YLW YLW YLW YLW YLW CN C CN D CT1 ...

Page 45: ...3 R23 PC1A 2 1 R24 R25 C22 R21 L21 ZD21 C13 CN21 2 1 C24 F21 D7 R11 C7 C9 C10 C8 PC1B 4 3 R7 R22 C21 T1 12 2 10 8 7 4 3 FB1 D6 R6 C6 R3 R4 R5 C5 C1 CN1 3 2 1 C14 C11 C12 R1 R2 TH1 R10 D5 IC1 5 3 2 1 4 6 8 7 NC DRV CS FB ADJ VCC HV GND VZ3 D21 D8 L1 D1 R9 D2 D4 D3 Q1 R8 ZD2 VZ1 ZD1 F1 1 2 VZ2 CD1 ...

Page 46: ...WER UNIT O L AM1 AM2 CN B CN E CN C RTRNPA162DR T1 VRS1 KRA223M S10K300 D291 D292 T3 15A 10K 470F 620F 33K 510F C291 470uF 25V D293 10uF 50V 10uF 50V D294 1N4002 D251 F241 FUSE1 1N4002 1N4002x4 ZD291 HZ12B1 R293 R292 D244 D241 D242 D243 R291 INT D 6 V SENS D 12 GND 1 D 5 GND D 4 RY1 D 8 RY2 D 10 RY3 D 9 RY5 6 D 11 DOOR D 1 I SENS D 13 24V 1 D 3 24V 2 D 2 RY4 D 7 DU24D1 1PR CF DU24D1 1PR CF NOTE IF...

Page 47: ... PARTS IR SENSOR MICROWAVE SENSOR SENSOR ASSY ANT SENSOR SENSING SW ANT SENSOR SENSING SW G 9 G 5 1 2 3 1 1 2 2 3 G 1 G 2 G 3 G 4 G 7 G 6 F 24 F 26 TH2 TH1 TH1 MAG TH2 MAG GND 5 R134 R131 1 5KF 1 5KF 10K 1K 300KF 150KF KIA358 KRA101S R133 C131 C132 R136 4 7K 4 7K 1K R135 Q181 R181 R184 R183 R185 R186 C182 R137 300KF C181 C183 IC181 D181 R182 D141 R141 4 7K 4 7K R142 R143 C141 C152 C151 R157 R155 R...

Page 48: ...R1500AT 12 9 6 Figure S 5 Printed Wiring Board SWITCHING POWER SUPPLY UNIT RELAY UNIT SWITCH UNIT ANTENNA SENSOR CONTROL UNIT MICROWAVE SENSOR ...

Page 49: ... MODEL NUMBER 2 REF NO 3 PART NO 4 DESCRIPTION Parts marked may cause undue microwave exposure Parts marked are used in voltage more than 250V PartsGuide 1 OVEN PARTS 2 DOOR AND CONTROL PANEL PARTS INDEX CONTENTS PACKING CASE FPAK A607WRKZ R 2100AT FPAK A608WRKZ R 1500AT BOTTOM PAD ASSEMBLY FPADBA692WRKZ AC CORD PAD SPADBA371WRE0 WRAP COVER SSAKHA034WRE0 DOOR PROTECTION SHEET SPADPA204WRE0 ACCESSO...

Page 50: ... 65 4 37 7 6 7 17 7 21 7 4 1 6 F2 F1 1 9 7 26 7 21 7 10 7 10 7 21 4 38 TF1 1 10 EF C1 2 10 2 9 4 9 FM 4 47 7 7 4 56 4 46 4 58 4 73 4 55 4 9 4 17 4 49 4 67 4 55 7 18 4 47 7 14 7 18 7 6 6 11 6 17 7 10 TF2 AM 4 47 7 28 7 18 7 32 7 7 7 4 7 18 7 32 7 28 7 18 7 21 4 5 4 6 7 21 7 21 7 21 7 21 7 24 7 30 4 8 7 21 7 21 7 21 7 21 2 2 2 2 1 7 21 7 21 4 34 4 60 7 1 7 25 7 31 6 14 4 74 4 64 7 13 7 21 7 21 7 28 ...

Page 51: ...hermistor CABINET PARTS 2 1 DDAI A217WRKZ BP Bottom plate assembly 2 1 1 LX NZ0061WRE0 AA Special Nut 2 1 2 LX BZA179WREZ AL Special screw Filter Stopper L 2 2 FFTASA076WRYZ AM Oven Lamp Aaccess Cover 2 2 1 PCUSUA651WRPZ AD Cushion 2 3 GCABUB125WRPZ BN Outer Case Cabnet 2 4 GCOVHA526WRPZ AH Motor Protect Cover 2 5 LANGKB285WRPZ AG Cavity Fixing Plate 2 6 PSHEGA011WREZ AM Rubber Sheet L 2 9 PFPF A2...

Page 52: ...hion G 4 69 PSHEPB323WREZ AF Insertion Barrer 4 70 PCOVPA523WRFZ AF Edge Protect Cap R 4 71 PCOVPA522WRFZ AF Edge Protect Cap L 4 72 PSPASA027WRFZ AF Lamp Spacer 4 73 PSKR A500WRPZ AK Wind plate 4 74 PSHEPB455WREZ AF Water protect film MISCELLANEOUS 6 10 LBNDKA166WREZ AD Wire Holder 6 11 LHLDWA063WREZ AF Wire Holder 6 14 TCAUHA168WRR0 AH H caution label 6 17 TLABSA105WRRZ AF F8 Fuse Label SCREWS N...

Page 53: ...3 4 3 11 3 8 3 8 3 9 3 7 3 1 5 9 5 35 6 1 6 2 6 15 6 3 6 6 6 12 6 4 6 5 6 7 6 8 6 9 5 11 5 8 5 5 21 5 11 5 12 5 13 5 1 5 16 5 16 5 7 5 7 5 34 5 33 5 17 5 17 5 19 5 32 5 27 5 29 5 25 5 30 5 31 5 5 5 7 5 32 5 10 5 15 5 24 5 3 1 5 3 5 3 2 5 6 5 2 5 34 5 20 5 28 5 18 5 18 5 26 5 14 ...

Page 54: ...d 5 12 MLEVFA091WRWZ AG Latch Lever 5 13 MSPRTA190WRE0 AD Latch Spring 5 14 PCOVPA476WRFZ AG Board Cover 5 15 PCOVPA477WRFZ AM Handle Cover 5 16 PCUSGA720WRPZ AG Latch Angle Cushion 5 17 PCUSGA736WRPZ AE Door Cushion L 5 18 PCUSGA737WRPZ AF Door Cushion R 5 19 PCUSGA738WRPZ AC Harness Cushion 5 20 PPIPPA017WRFZ AF Pipe 5 21 PSHEPB325WREZ AK Key Protect Cover 5 24 HBDGCA135WRRZ AG Door Badge R 2100...

Page 55: ... 9 AK LBSHC0006YBE0 1 4 6 AD LHLD A314WRFZ 1 4 4 AN LHLDWA011WRE0 2 6 12 AB LHLDWA013WRE0 2 6 3 AC LHLDWA063WREZ 1 6 11 AF LRTNPA001DRZZ 2 5 30 AF LRTNPA002DRZZ 2 5 31 AF LSTPPA261WRFZ 2 5 5 AG LSTPPA288WRMZ 2 5 11 AP LSUB A137WRPZ 1 4 38 AE LX BZA132WREZ 1 7 16 AB LX BZA138WREZ 1 7 17 AB LX BZA164WREZ 1 7 10 AC LX BZA169WREZ 1 7 27 AC LX BZA178WREZ 1 4 18 1 AM LX BZA179WREZ 1 2 1 2 AL LX BZA181WR...

Page 56: ... RV MZA369WRZZ 1 MG1 BG 1 MG2 BG T TCADRA036WRRZ 2 6 1 AG TCAUAA249WRR0 2 6 6 AE TCAUHA168WRR0 1 6 14 AH TCAUHA276WRRZ 2 6 15 AH TINSMA029WRRZ 2 6 2 AN TLABSA105WRRZ 1 6 17 AF X XBPS730P28KS0 1 7 8 AB XBPS740P25K00 2 5 32 AC XBPS740P35000 1 7 25 AD XBTUW40P12000 1 7 5 AB XCBWW30P08000 1 7 23 AB XCHWW40P08000 1 7 29 AB XCPS730P08XS0 2 3 12 AC 2 5 33 AC XCPS730P10000 1 7 26 AA XEPS730P08XS0 1 7 3 AB...

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