Dacor MMD24S Скачать руководство пользователя страница 37

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MMD24S
MMD24B

Figure S-5.

Printed

Wiring Boar

d of Contr

ol Unit

LCD

CNE

CNN

R40

CF1

C21

R22

C20

C11

C12

R13

R17

ZD4

R11

R34

R14

R18

R46

R101

R100

R115

R107

R103

R102

R21

R106

R105

R104

C103

R114

C102

R112

C100

R113

C101

C44

D41

C54

D40

R42

C10

C13

C41

C30

R68

R69

R15

D21

D22

R16

S24

R29

CF2

S24

C90

C21

R27

R26

R28

C90

R98R96

R99R95

D96K

D95K

D97K

Q97

R97

R41

D19K

D20K

ZD2

Q26

WHA

Q23

Q21

Q25

Q22

Q20

C51

R56

R55

C22

C23

C52

R21

R24

R58

R20

R23

R57

R47

R48

R49

R45

R51

R52

R50

CNJ

R40

R36

R38

R37

R35

IC5

IC6

C43

R44

R43

C42

Q96

Q95

LCD

Q24

C40

CNN

CNE

R31

R30

R33

R32

C15

CF2

IC2

CNF

R110

R109

R108

R111

CF1

IC1

CNX

CNM

CNK

CNF

CNJ

CNM

CNK

CNX

Содержание MMD24S

Страница 1: ...y high voltage and current Contact with the following parts may result in a severe possibly fatal electrical shock High Voltage Capacitor High Voltage Power Transformer High Voltage Rectifier and Heat...

Страница 2: ...r seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A microwave leakage ch...

Страница 3: ...neccessary covers 2 Open the drawer and keep it open 3 Discharge high voltage capacitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that the leads remain isolated from othe...

Страница 4: ...275 15 ml 9 8 oz of tap water initially at 20 5O C 68O F in the center of the oven cavity The water container shall be a low form of 600 ml 20 oz beaker with an inside diameter of approx 8 5 cm 3 1 2...

Страница 5: ...he 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 no other visible damage with the oven Servicing and repair work must be...

Страница 6: ...ull power throughout the cooking time P 90 approx 90 of Full Power P 80 approx 80 of Full Power P 70 approx 70 of Full Power P 60 approx 60 of Full Power P 50 approx 50 of Full Power P 40 approx 40 of...

Страница 7: ...vided When installing this appliance observe all applicable codes and ordinances Where a two pronged wall receptacle is encountered it is the personal responsibility and obligation of the customer to...

Страница 8: ...to the stir fan motor the cooling fan motor and the high voltage componentsarede energized theovenlampremainson and the digital read out displays the time still remaining in the cook cycle when the d...

Страница 9: ...ooking Sequence 1 Touch one of the SENSOR pads NOTE The oven should not be operated on sensor immediately after plugging in the unit Wait two minutes before cooking on SENSOR 2 The coil of shut off re...

Страница 10: ...TO SOURCE TO LOAD TO LOAD TO SOURCE SWITCHING SWITCH DOOR SENSING SENSOR FAN MOTOR HUMDITY F3 F2 F1 SM FM OL A3 COM N O STIRRER MOTOR OVEN LAMP SECONDARY INTERLOCK SWITCH RY3 RY1 RY2 CAPACITOR xxx F A...

Страница 11: ...covers 2 Open the drawer and block it open 3 Discharge high voltage capacitor 4 Replace the Keyboard unit 5 Reconnect all leads removed from components during testing 6 Re install the covers 7 Reconn...

Страница 12: ...regurator for drawer motor 8 Disconnect the power supply cord and then remove outer case 9 Open the door and block it open 10 Discharge high voltage capacitor 2 Open the drawer and block it open 3 Dis...

Страница 13: ...tor has been burned replace the power unit 7 Examine the touch control transformer with a tester for the presence of layer short circuit check the primary coil resistance which is approximately 151 6...

Страница 14: ...n cavity 3 Close the drawer 4 Touch the TIMER CLOCK pad once the POWER LEVEL pad twice and the START pad once And touch the number pads 1 once and the number pad 4 once Now the oven is in the sensor c...

Страница 15: ...supply cord 9 Check the sensor cook operation proceed as follows 9 1 Close the door Touch the TIMER CLOCK pad once the POWER LEVEL pad twice and the START pad once And touch the number pads 1 once an...

Страница 16: ...igital read out countdown 3 Remove the cup from the oven and again measure the temperature making sure to stir the thermometer or thermocouple through the water until the maximum temperature is record...

Страница 17: ...meter should indicate a closed circuit When the monitor switch actuator is pushed by a screw driver through the lower latch hole on the front plate of the oven cavity with the drawer opened in this co...

Страница 18: ...E FILAMENT AND HIGH VOLTAGE 2 Open the drawer and block it open 3 To discharge high voltage capacitor wait for 60 seconds 4 If the monitor fuse is blown when the drawer is opened check the primary int...

Страница 19: ...n power is supplied 5 Indicator Circuit A circuit to drive the Liquid Crystal Displays LCD1 6 Power Source Circuit This circuit generates voltages necessary in the control unit from the AC line voltag...

Страница 20: ...k oscillation frequency control output Output to control oscillation input of Xin 14 VCC IN Power source voltage 5V VC voltage of power source circuit input 15 P60 IN Plus signal coming from the Micro...

Страница 21: ...line key on matrix is touched 39 P15 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to P20 P23 terminal while one of J 10 line key on matrix is touched 40 P14 OUT Ke...

Страница 22: ...IN Signal to synchronize LSI with commercial power source frequency This is the basic timing for all real time processing of LSI 61 AVSS IN A D converter power source voltage The power source voltage...

Страница 23: ...as to change the resistance values in parallel with R45 R49 Changing HUMIDITY SENSOR CIRCUIT the resistance values results in that there is the same potential at both F 3 terminal of the absolute humi...

Страница 24: ...l and the oven itself is so short that the two can t be separated For those models check and repair all the controls sensor related ones included of the touch control panel while keeping it connected...

Страница 25: ...alloy solder it is recommend that a dedicated bit is used and that the iron temperature is adjusted accordingly 3 Soldering As the melting point of lead free solder Sn Ag Cu is higher and has poorer...

Страница 26: ...rts Ovenlamp Magnetron Highvoltagetransformerand Oven cavity WARNING FOR WIRING 1 Disconnect the power supply cord 2 Make sure that a definite click can be heard when the microwave oven drawer is unla...

Страница 27: ...s the 4 mounting screws holding the unit on to the wall or cabinet opening Fig 1 3 Close Drawer and carefully pull the unit out from opening and unplug the power supply cord 4 Remove top cover Fig 2 5...

Страница 28: ...the black and white AC terminals from the Noise Filter PWB and green ground wire from the back plate Fig 4 2 Attach the black and white AC terminals from the new Power Cord to the Noise Filter as sho...

Страница 29: ...r and lower position of the latch hook should be less than 0 5mm The vertical position of the latch hook should be adjusted so that the secondary interlock switch is activated with the drawer closed T...

Страница 30: ...wing A Make sure that drawer sensing switch secondary interlock switch and monitor switch are operating properly Refer to chapter Test Procedures B An approved microwave survey meter should be used to...

Страница 31: ...SWITCH ANGLE REMOVAL Fig S 1 Fig S 2 ACTUATOR REMOVAL ADJUSTMENT 1 Follow the Microwave Drawer disassembly as previously stated 2 Open the drawer and keep it open 3 To discharge the high voltage capac...

Страница 32: ...ation 1 Proceed in reverse to reinstall the Auto Drawer Gear taking care that the gear teeth are set into the cavity angle correctly Fig G 2 RACK GEAR REMOVAL 1 Follow the Microwave Drawer disassembly...

Страница 33: ...G or YLW RED RED GRY BLK WHT NOISE FILTER BOARD N H WHT COM YLW or BLK RED THIRD DOOR SWITCH N O YLW or ORG WHT ORG CONTROL UNIT CNK CNM CNN CNE SWITCHING POWER SUPPLY CN501 CN502 T1 1 2 3 4 5 GRN BLU...

Страница 34: ...O D7 RY1 COM N O D10 RY3 D11 RY4 D12 RY5 H 1 H 3 H 2 H 4 H 5 H 7 H 6 AC 120V MICRO COM O L FM SM 0 1uF 50V NOTE IF NOT SPECIFIED 1SS270A 10G471K A 5 A 1 H 8 1 3 8 5 B 1 C10 C11 NOT INSERT PARTS T1 VR...

Страница 35: ...1 K 5 4 7K R56 C52 M 5 4 7K 10K 10K R58 C51 R55 R57 SP D19 D20 Q22 Q21 C20 C21 Q20 AN5 CF1 4MHz 1 2 3 7 5 6 CONTROL UNIT 4 7K R13 4 7K R12 P05 P51 P57 C3 S22 S23 SEG22 SEG23 COM2 10uF 35V VR GND INT 4...

Страница 36: ...C D E F G H A B C D E F G H Figure S 4 Printed Wiring Board of Power Unit 2 5A 3 1 2 FUSE T1 4 8 D3 ZD1 J10 RY1 D12 RY5 DIP CNH Q1 R1 D2 D1 1 11 D4 1 1 R10 C10 RY2 1 3 P 3 D11 D10 7 CNA CNB C11 R11 RY...

Страница 37: ...S0 S0 S24 C4 C5 R29 CF2 S24 C4 C5 C3 S0 C0 SP C90 C8 C6 C5 C3 C21 R27 R26 R28 C90 C90 R98 R96 R99 R95 D96 K D95 K D97 K Q97 R97 R41 J2 J1 J4 J6 K J3 C5 C6 D19 K D20 K ZD2 R7 1 1 8 6 Q26 WHA Q23 Q21 Q...

Страница 38: ...INC ALL RIGHTS RESERVED Nopartofthispublicationmaybereproduced stored in retrieval systems or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without...

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