Sanyo EM-D9750ECO Скачать руководство пользователя страница 26

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11. OVERALL CIRCUIT DIAGRAM
EM-D9750ECO

-25-

IC 11 LM8838

GNETR

2x500PF/2x1.5uH

HIGH V

RECTIFIER

HIGH VOL

AGE CONDENSER

HIGH VOL

AGE

TRANSFORMER

VEN

THERMO

PRIMAR

SWITCH

V5T1

PT1 PD5TK-9550

230V

50Hz

L1,L2 = 1mH

C1 = 0.22

C2,C3 = 4700PF

R = 1M

Ω

MONIT

OR SWITCH

1N4002 X4

C12

47u

/10V

-5V

-15V

D15

1N4002

C13

470u

/35V

ZD1

RD5.6ESB3

4.7K

C15

1000P

/50V

C16

0.01u

/50V

D12

C14

0.01u

/50V

D13

D14

A564A

R12 2.7K

C11

470u

/35V

ZD13

ZD12

Q12

B889F

RD7.5ESB3 X2

78 77 76

COM3

COM4

COM1

COM2

LCD1 H4061

COM0

COM1

COM2

COM3

SEG0

SEG1

SEG2

SEG3

SEG4

SEG5

SEG6

SEG7

SEG8

SEG9

SEG10

SEG11

SEG12

SEG13

SEG14

SEG15

SEG16

SEG17

SEG18

SEG19

SEG20

SEG21

SEG22

SEG23

SEG24

SEG25

SEG26

P20

P21

P22

P23

P24

FUSE

8A(T)

CAP

CIT

GRILL

HEA

TER

RL3

GRILL

THERMO

CONVEC

HEA

TER

RL4

CONVEC

THERMO

17593

S1 53376-0510

(5/9P)

RL5

-15V

DOOR

SENSING

SWITCH

P56/T

OUT

R122 1K

BZ1

2KHz

R121 3.3K

4.7K

10K

4.7K

10K

Q109 DT

A143X

2.2K

10K

Q104

A123Y

RL5

RL1

D112

RL4

RL3

D106

AMPER

R120 150

Ω

CONVEC

R119 150

Ω

R118

150

Ω

Q106

C1741

17 47K

16 4.7K

Q108 DT

A143X

CONVEC

HEA

TER

GRILL

HEA

TER

R114 R115

Ω

R113

Ω

P51

P53

P54

P41

P43

P50

OVEN

THERMIST

S102

D102

D103

1N4002

P60/AN0

P64/AN4

P65/AN5

-5V

R104 10K

R105

4.7K

*C102

0.01

\50v

-5V

VSS

C105

0.1u

/25V

P55/CNTR1

VCC

VREF

P42/INT

C103

0.01u

50V

R125

10K

D115

R140

10K

C104

0.01u

50V

R104

10K

Q111 A564A

R126

10K

-5V

R202 8.45K

R203 10K

P61/AN1

OPEN

P46

OPEN

P44

OPEN

P45

2.2K

10K

Q105 DT

A123Y

2.2K

10K

Q107

A143X

4.7K

10K

Q110

A143X

R126 R127 R128 R129 10K 100K 100K 100K

-5V

VL3

VL2

VL1

-5V

RS1

4MHZ

XIN

XOUT

OPEN

P26

P25

P71

P70

Q101

A123Y

2.2K

10K

R103

560K

D101

C101

/50V

R102

10K

ZD101

RD3.9

ESB2

R101

RST

-5V

P67/AN7

P66/AN6

P40

R52 12K

R53 12K

R56 12K

LED1 LED2 LED3 LED4

R152

10K

R153

10K

Q151

A564A

P27

-15V

P17

P16

P15

P14

P13

R139

OP/

CLEAR

BAKED

TAT

SNA

CKS

CAKE/

PUDDING

CHICKEN

PIECES

AST

JOINT

A.DEF

CHOPS/

STEAK

MICR

WER

R134 10K

R133 10K

R132 10K

R131 10K

R130 10K

RB101

100K x5

UICK

KITCHEN

TIMER

MORE/

LESS

R135

R136

R137

R138

4.7K X5

COOK

CONVEC

TEMP

GRILL

P63/AN3

P62/AN2

S301 EH3P

R304

10K

C302 1000P /50V

R303

10K

R301 10K

R302 10K

-5V

C301 1000P /50V

-5V

56 55

49 48

37 36

R151

560

Ω

30 1 2

19 20

25 26

2.2k

10K

Q102 DT

A123Y

OPEN

D108

P47

D110

D111

P57

OPEN

P52

OPEN

SLO

COOK

THERMO

RL1

RL6

S201

-5V

C201

0.01

\50V

R201

82.5K

-5V

C202

0.01

/50V

R105 4.7K

R104 10K

S103

AMPER

SWITCH

RL6

BAKED

FISH

OZEN

PIZZA

CASSE-

OLE

TIMER SW

SW BO

ARD

(12700)

RL2

RL7

INR

USH

RESIST

2.2k

10K

Q103

A123Y

RL2

D104

R108

Ω

R109

Ω

RL7

D105

R110

Ω

R111

Ω

INR

USH

Содержание EM-D9750ECO

Страница 1: ... W Y g7 0M I 0M I4 W 7 e7 e7 5 e H 7 1 H f 5g7 g g7 H he3 L 7 Hg J M V4 L J M I4 7 e e H e e gJ Hg g 5 g hfN 1 J 5 gW 0Y I4 1 7 Y I J L 5 e 5 e e J e J g7 g 5 f J H g hf 3 L W Y g7 0M I Y V4 7 1 H J H J e 7 5e L 7 g g H f 7 g J hf N 1 7 Hh M V L Y J e 7 e 7 e He 1 5f J f J g g 7 J g J 0Y V 1 J Y 3 7 J e 5e 5e eJ L Hf 7 f 7 g g 5 3 W hW M V 7 Y V J 7 5e He He e7 1 f f g 5g H N L hf 7 5 h7 Y V L H N...

Страница 2: ...curely locked 3 Tighten the lever stopper screws securely 4 Make sure the interlock monitor is closed after the primary interlock switch opens when the door is opened very slowly according to CHECKOUT PROCEDURE FOR SWITCHES on page 9 5 Make sure the interlock monitor is open before the primary interlock and secondary interlock switches close when the door is closed very slowly according to CHECKOU...

Страница 3: ...ING PRECAUTIONS MUST BE TAKEN BEFORE SERVICING 1 Before the power is applied a Open and close door several times to make sure the primary interlock switch the door sensing switch and the interlock monitor switch operate properly Listen for the clicking sound from switches Make sure the interlock monitor switch is closed after the primary interlock switch is opened when the door is opened See pages...

Страница 4: ...ed set ting is reached 3 13 11 12 15 9 7 5 8 6 1 2 1 DISPLAY WINDOW 2 Function and Accessary Indicator KEYS 3 Direct Access menu keypad 4 Kitchen Timer 5 Auto Defrost 6 Time adjust for Auto Defrost and Direct Access 7 Grill only 8 Convection Temp only 9 Microwave Power 10 Slow Cook 11 Dual Cook 1 Convection Micro 2 Convection Grill 3 Micro Grill 12 Quick Start 13 Clear Stop 14 Start 15 Time and We...

Страница 5: ... 1 3 3 1 hf J I4 1 W M e 3 hf hf3 e J V4 0Y Lh O hf f g3 Lh W g he 3 5heN Lhe 7 H f g g he J g Lhe J f N L he W 5g h he g g3 1 he J f he 3 3 hf W26X hJ MI Xg 3 hf W2 e L N N hf 7 I W Y 5 e N L he hfN Le 7 5 5 3 K f O2 hf f gV X gW g he N Hhe 3 X hJ 5g g Lg3 LheW L f 3 X h 7 g3 1 he 7 3 Hg3 5 h he g gN Lhe 7 f he N N Lhf 7 1 g W HeN X f N hf 7 5e 3 1 W2 g L hfW2 f Lhf N 7 0Y Lhf J H f 1 he 5hf 1eJ ...

Страница 6: ...gnetron is operating correctly and producing any other power setting apart from full power 7 TEST PROCEDURES AND TROUBLESHOOTING CAUTION DISCONNECT THE POWER SUPPLY CORD FROM THE WALL OUTLET WHENEVER REMOVING THE CABINET FROM THE UNIT PROCEED WITH THE TESTS ONLY AFTER DISCHARGING THE HIGH VOLTAGE CAPACITOR AND REMOVING THE LEAD WIRES FROM THE PRIMARY WINDING OF THE HIGH VOLTAGE TRANSFORMER See Fig...

Страница 7: ...tes several ohms and gradually returns to 10 Meg ohm Abnormal reading Indicates continuity or 10MΩ from the beginning Measure the resistance Across two terminals with an Normal reading ohm meter on its highest scale Indicates over 10MΩ in one direction forward direction and infinite ohms in the reverse direction using meter which is provided with a 9 volt battery NOTE Some digital meters may show ...

Страница 8: ...ading Approximately 300 ohms Normal Reading Approximately 180 ohms Normal Reading Approximately 16K ohms Measure the resistance After removing the lead wires from the convection heater with an ohm meter on R x 1 scale Measure the resistance After removing the lead wires from the grill heater with an ohm meter on R x 1 scale Measure the resistance After removing the lead wires from the blower motor...

Страница 9: ...s of FPC connector after removing it from S101 See Figure 11 NOTE When reconnecting the FPC connector make sure the holes on the connector are properly inserted in hooks of the plastic fastener in S101 MATRIX CIRCUIT FOR TOUCH KEYBOARD FPC CONNECTOR TOUCH KEY BOARD TERMINALS OF FPC CONNECTOR Figure 11 When When not Resistance touched touched Value Less than More than 1K Ohms 1 MEG Ω When checking ...

Страница 10: ...es connecting an ohm meter to its terminals Primary Interlock Door Sensing Connect an ohm meters leads to terminals COM and NO of switch Interlock monitor Connect an ohm meters leads to terminals COM and NC of switch CAUTION After checking the switches make sure that the interlock monitor switch is properly connected according to the CIRCUIT DIAGRAM on page 4 9 ...

Страница 11: ...has blown see D REMOVING FUSE on page 16 0 230 0 Volt 0 230 230 Volt PROBLEM 1 b Control Circuit Board Check power supply voltage on control circuit board See page 8 Voltage incorrect Replace it if necessary Correct seating of connector S101 or replace control circuit board Replace touch keyboard Check resistance of touch keyboard See page 8 0 V 0 V Each Voltage OK 0 Check Resistance OK 0 Resistan...

Страница 12: ...nector S102 between pins with the door closed after removing connector S102 from control cct board Check contact of connector S102 PROBLEM 3a Correct Seating Poor Contact Normal Contact Contact OK Normal Door Sensing Switch Touch START key and measure voltage between the two wire leads from primary windings of H V transformer after removing the wire leads from terminals of H V transformer Replace ...

Страница 13: ...esistance of blower motor Approx 300 ohms No Operation Normal thermal protector for magnetron or thermal protector for cavity Normal Operation Temporarily short across terminals of thermal protector for magnetron or thermal protector for cavity by using jumper lead No Operation Normal Operation PROBLEM 3 b Check operation of blower motor when START key is touched Check resistance of each winding a...

Страница 14: ...s down when key is touched for Grill Cooking a Normal control circuit board Replace Heater 52 Normal Resistance 0 Resistance Incorrect Runs 100 150 450 700 850 Auto Start Def Time 1000 Check resistance of heater Approximately 48 7Ω measured over both terminals Set power level at low Touch START key and measure voltage between leads for primary winding of H V transformer after removing the wire lea...

Страница 15: ...counts down when key is touched for Convection Cooking a Replace Heater 52 Normal Resistance 0 Resistance Incorrect Runs Runs 14 Check resistance of heater Approximately 46Ω measured over both tubes Normal Heater PROBLEM 3 b Normal Operation Normal convec Motor Measure resistance of convec motor Approx 300 ohms No Operation Normal thermal protector for magnetron or thermal protector for cavity or ...

Страница 16: ...n 3 of connector S201 after removing from control circuit board Normal Oven Thermistor 9 PROBLEM Overheating even if the display window shows 160C for preheating Check normal operation of control circuit board and power circuit board NOTES When the oven thermistor circuit is open the display window will continuously show 160C even if the unit becomes overheated by continuous ON of the heater When ...

Страница 17: ... the waveguide Take out the magnetron VERY CAREFULLY NOTES When removing the magnetron make sure that its dome does not hit any adjacent parts or it may be damaged After replacing the magnetron be sure to check the microwave energy leakage with a leakage detector and confirm the leakage is below 5 mW cm2 D REMOVING FUSE A Remove the 8A fuse with a screwdriver When replacing the 8A fuse be sure to ...

Страница 18: ... release the hooks one by one 4 To detach the glass door panel insert a thin flat blade screwdriver between the door panel and door cover and release the clips one by one NOTES The choke dielectric the glass door panel and the door cover may be damaged when they are removed When re installing them replace them with new ones if they are damaged After installing the door in place check for microwave...

Страница 19: ...28 34 1 5 4 7 8 9 10 11 33 12 13 15 14 29 31 36 35 27 16 17 19 30 32 20 34 21 25 26 22 24 23 18 9 EXPLODED VIEW AND PARTS LIST CAVITY PARTS A 18 Key Part No Description Q ty No 19 617 075 1476 Fan Base 1 20 617 177 3231 Motor Complete 1 21 617 202 4561 Thermostat V122 C 1 22 617 177 3200 Heater Ass y 1 23 617 117 6698 Collar 1 24 617 177 3217 Heater Case Ass y 1 25 617 177 3255 Heat Ins 1 26 617 1...

Страница 20: ... 1 9 617 149 3009 Lamp 1 10 617 214 3521 Response Switch 1 11 617 177 3408 Lamp BCT 1 12 617 177 3309 Cam 1 13 617 177 3293 Damper 1 EM D9750 Key Part No Description Q ty No 14 617 179 0771 Damper Bct 1 15 617 179 0757 Shaft 1 16 617 177 3149 Lamp Plate 1 17 617 183 1368 Cook Net 1 18 617 183 1375 Cook Net 1 19 411 156 5601 SCR TPG PAN F S 4x10 3 20 411 156 5502 SCR S TPG PAN F S 1 21 411 001 6005...

Страница 21: ... g g g J g 7 g J 5 g 7 Y g J H g 7 5 g J H g 7 5 g Y g J H g 7 g J 5 g 7 H g J 5 g 7 H g g he g J he g 7 he g J 5 he g 7 Y he g 0M e Yhf g H hf g 5 g H g 5 g Y g hf g 5hf g Yhf g Y hf g Y g Y g H g J 5 g 7 Y g Y g H g J 5 g 7 Y g Y g H g J 5 g 7 Y g 0Y g g g g g g g g g g g g g g g g g g J g 7 g J 5 g 7 Y g J H g 7 5 g J H g 7 5 g Y g J H g 7 g J 5 g 7 H g J 5 g 7 H g g he g J he g 7 he g J 5 he g...

Страница 22: ... f Y f H f J 5 f 7 Y f Y f H f J 5 f 7 Y f Y f H f J 5 f 7 Y f 0Y f f f f f f f f 2 4 7 5 8 1 3 6 MICROWAVE PARTS Key Part No Description Q ty No 1 617 221 1541 Bottom Plate 1 2 617 187 1241 Transformer 1 3 617 225 1721 Special Screw 2 4 Gear Motor Cover 1 5 617 144 5435 Foot Cushion Assembly 4 6 617 166 7493 Bottom Hinge 1 7 411 156 5502 SCR S TPG PAN F S 4x10 1 8 617 102 7495 Special Screw 2 21 ...

Страница 23: ...2 617 177 1473 Door Panel 1 3 617 136 3890 Door Main Frame 1 4 617 103 8934 Hinge Ass y 1 5 617 102 7495 Special Screw 2 6 617 135 6243 Choke Di electric 1 7 617 136 3913 Door Panel 1 8 617 139 9530 Door Latch 1 9 617 135 8285 Spring 1 10 411 071 9104 Screw 3 617 222 5692 Door Ass y 1 22 EM D9750 ...

Страница 24: ...1 064 2709 SCR TPG BIN 3x14 2 7 411 064 6608 SCR TPG BIN 3x8 1 8 617 135 8407 Latch Lever 1 9 617 188 3329 Spring 2 23 These items not illustrated CONTROL PANEL PARTS EM D9750 1 11 12 Key Part No Description Q ty No 10 617 220 1535 Handle Lever 1 11 617 197 4836 PCB Complete 1 12 617 198 5146 Knob Assembly 1 617 225 1813 Inst Manual French 1 617 225 1820 Inst Manual German 1 617 225 1837 Inst Manu...

Страница 25: ...10 CONTROL CIRCUIT BOARD EM D9750 24 Model Version Spares No RL7 M Processor EM D9750 Semo 617 220 8305 Yes LM 8838 TP1 TP2 ...

Страница 26: ...SS VSS C105 0 1u 25V P55 CNTR1 VCC VREF P42 INTO C103 0 01u 50V R125 10K D115 R140 10K C104 0 01u 50V R104 10K Q111 A564A R126 10K 24 5V 2 1 R202 8 45K R203 10K P61 AN1 OPEN 13 73 74 P46 OPEN 20 P44 OPEN 22 P45 21 2 2K 10K Q105 DTA123Y 2 2K 10K Q107 DTA143X 4 7K 10K Q110 DTA143X R126 R127 R128 R129 10K 100K 100K 100K 5V 80 1 2 VL3 VL2 VL1 5V 31 30 RS1 4MHZ XIN XOUT OPEN OPEN OPEN OPEN 34 35 28 29 ...

Страница 27: ... 3 W Yg7 L J J 5 7 H 7 e He7 7 Hg g g J h g N L 7 H f J 1 7 W J H e e e L g 5 g g 7 g J 5h3 1 J 5gW L J L 7 L 7 e e 5e e 1 g H f J 5g 5g 7 HhN W Yg7 1 7 1 J 1 e 5e HeJ e f J g 7 Hg Hg h L 7 Y f J L J 0M f I4 7 5e He e7 e L J f 7 g gJ g h 3 1 J YgW 0M he I4 1 7 0M I4 J J HeJ eJ e 5 J X 7 5 f gJ g7 gJ 5 h N W Y g7 0M I 0M I4 W 7 e7 e7 5 e H 7 1 H f 5g7 g g7 H he3 L 7 Hg J M V4 L J M I4 7 e e H e e g...

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