Sanyo EM-C1900M Service Manual Download Page 5 | Manualshive

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Summary of Contents for EM-C1900M

Page 1: ...e power for any service test or inspection within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manu...

Page 2: ...EDURE FOR SWITCHES on page 6 5 Make sure the interlock monitor switch opens be forethe primary interlock switch closes when the door is closed very slowly according to CHECK OUT PROCEDURE FOR SWITCHES on page 7 CAUTION MICROWAVE RADIATION PERSONNEL SHOULD NOT BE EXPLOSED TO THE MICROWAVE ENERGY WHICH MAY RADIATE FROM THE MAGNETRON OR OTHER MICROWAVE GENE RATING DEVICE IF IT IS IMPROPERLY USE OR CO...

Page 3: ...me is up The oven must not be operated with any of the above components removed or bypassed HINT FOR LAMP CHANGE Before removing the cabinet pull out the main plug If you want to check the new lamp with the open Cabinet take care of the following safety cautions Do not touch live parts The lamp holder is not con nected to the earth protection lead by a metric Overall Dimensions 422 W x540 D x335 H...

Page 4: ... 5 CIRCUIT DIAGRAM Caution The voltage between filament leads of magnetron is about 3 3VA C but the filament carries 4KV D C high voltage with respect to grand Never touch these lead with bare hand during operation ...

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Page 6: ...bout the middle position in one direct forward and infinite ohms in the reverse direction using meter with a 9 volt battery NOTE Some digital meter may show over even in a forward direction because low mea suring voltage of meter does not allow the meter to pass through the high volt age diode Abnormal reading Indicates continuity or infinite ohms in both directions FUSE DIODE Measure the resistan...

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Page 9: ...y Replace Control circuit board See page 6 Voltage incorrect Replace Control circuit board See page 6 Voltage incorrect Replace H V Transformer See page 4 Resistance incorrect Replace H V Capacitor See page 5 Resistance incorrect Replace Magnetron See page 4 Resistance incorrect Replace Monitor switch See page 7 Contact on No continuity Replaceor Adjust Blower motor Shorted Replace Step down Trans...

Page 10: ...diagnosis functions Display shows E depending on the trouble CONDITION TROUBLE CHECK RESULT REMEDY Shorted Replace H V Transformer Shorted Replace H V Capacitor Shorted Replace Magnetron Shorted Replace H V Diode Shorted Replace Fuse Diode Poor oscillation Replace Magnetron Low microwave output Rotation stop Repair or replace Rotation of top or bottom anttena Uneven heating U 10 Thermistor for Mag...

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Page 12: ...rom the primary in terlock switch 2 Remove 2 screws securing the lever stopper 3 Remove 1 screw securing the switches Then pullout the switches 4 Make necessary adjustment and make micro wave energy leakage check according to 1 AD JUSTMENT PROCEDURE FOR SWITCHES an page 1 after it is replaced with new one and check proper operation of it according to CHECKOUT PROCEDURE FOR SWITCHES on page 7 B REM...

Page 13: ...ll be cleared J CAUTION FOR CUSTOMER ON OPENING AND CLOSING DOOR When the Microwave oven is in operation should the customer open the door slightly and close the breaker of the house will occasionally be cut off It is necessary to explain to the customer not to exercise such matter When the Door is opened slightly between 2 or 3 mm distance primary interlock switch turn OFF and operation stops How...

Page 14: ...9 5 0 1900 3 8 0 1 9 0 1900 1 9 0 1 9 0 The display incicates number of current setting 0 none 1 quiet 2 medium 3 loud 0 Indication of remaining cooking time 1 To cancel remaining cooking time 13 ...

Page 15: ...mation the following consumable components shoud be replaced Maintenance light in window display indicates when accumulativ cooking time reaches 1 250 hours 1 Magnetron Tubu Part No 415 003 1709 2 Printed Circuit Board Relay Part No 617 202 0150 3 Switch base Assembly Part No 617 206 7865 4 Door Latch part No 617 068 1087 When more than 2 000 hours of accumulative cooking time is observed the foll...

Page 16: ...s marked with this sign have special characteristics important for microwave leakage When replacing any of these parts use only manufacturers specified parts 9 17 3x8 11 11 12 13 8 19 7 20 4x12 4x12 18 6 14 16 16 4x10 4x12 4x12 2 3x8 M2 4x12 3 1 5 15 10 4x12 ...

Page 17: ...n have special characteristics important for microwave leakage When replacing any of these parts use only manufacturers specified parts 29 30 24 31 33 34 34 35 28 3x6 31 30 29 26 25 4x8 23 4x12 21 3x10 3x6 3x12 4x10 36 37 22 3x8 27 ...

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Page 19: ...ge exceeding 250V Parts marked with this sign have special character istics important for microwave leakage When replacing any of these parts use only manufacturers specified parts 11 10 12 14 14 13 9 8 17 15 16 3x30 4x12 6 1 5 4x10 M5 2 4 2 3 1 4x10 4x10 4x10 M5 4x18 3x6 3 3x6 6 ...

Page 20: ...ed with high voltage exceeding 250V Parts marked with this sign have special characteristics important for microwave leakage When replacing any of these parts use only manufacturers specified parts 18 19 19 20 20 M5 28 26 26 25 M5 23 21 22 4x10 ...

Page 21: ...MICRO SWITCH DR SENS V 5330DK 1 11 617 178 1182 LATCH LEVER 1 12 617 178 1175 LATCH LEVER 1 13 617 178 1168 LATCH LEVER 1 14 617 178 1205 SPRING SUS304 WPB D0 65 2 15 617 178 1212 SPRING SUS304 WPB D0 65 1 16 617 187 2217 SPRING SUS304 WPB D0 7 1 17 617 178 1151 LEVER STOPPER 6 6NYLON G 15 1 18 617 214 6553 HARNESS WITH DIODE 1 19 617 214 4474 HV TRANSFORMER N5T C1850 2 20 617 080 4196 SPECIAL SCR...

Page 22: ...DOOR PANEL GLASS T3 2 1 7 617 121 5489 PACKING 2 8 617 239 6354 DOOR ASS Y 1 9 617 178 0840 CHOKE DIELECTRIC FR PET 1 11 617 120 3028 HINGE SPHC T3 2 12 617 102 7495 SPECIAL SCREW CAP TIGHT SELLATIONS 6 13 617 080 3847 SPECIAL SCREW SUS 304 D6 1 14 617 068 3623 DOOR ARM 1 15 617 178 0833 LATCH SUP SECC J T1 0 1 16 617 068 1087 DOOR LATCH DURACON GF25 2 17 617 068 3579 ARM PIN S30C ZK 2 18 617 140 ...

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Page 24: ... 6 6 75 75 6 4 2416 614 8 64 05 14 4 0 6410 19 4 8 64 05 14 4 6 4 2416 614 8 0 6410 722 4 12 0 12 0 12 0 12 0 4 5 Ǵ 8 Ǵ 8 5 ǡ ǡ Ǵ 8 4 4 4 856 Ǵ 8 8 2 Ǵ 8 4 5 8 8 3 5 2 5 2 856 5 5 5 2 5 5 2 8 8 Ǵ 8 Ǵ 8 Ǵ 8 26 4 5 5 2 2 2 2 4 4 4 3 8 4 5 2 4 4 ǡ 4 ǡ 4 5 8 2 4 4 Ǵ 8 8 8 Ǵ 8 8 4 5 4 45 8 8 4 4 4 4 4 4 ǡ Ǵ 8 8 3 3 3 4 4 3 㨦 4 2 2 0 2 06 0 2 0 2 0 2 0 2 2 0 2 0 064 2 176 0 855 855 2 2 2 2 2 2 2 2 2 2 2...

Page 25: ... 3 3 3 3 8 5 3 4 ǡ Ǵ 8 4 4 8 4 4 2 4 4 4 4 2 3 5 2 8 4 4 4 4 3 3 4 4 ǡ 4 5 8 3 3 8 2 8 8 Ǵ 8 2 1 6 4 59 59 56 46 9 㨟㨣 59 59 59 5 2 5 2 8 5 2 5 2 9 9 9 9 9 9 9 4 4 8 8 3 3 4 4 4 4 4 ǡ Ǵ 8 4 5 5 Ǵ 8 4 5 8 3 4 4 4 Ǵ 8 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 4 5 2 2 2 0 2 2 ...

Page 26: ... 25 CONTROL CIRCUIT BOARD Figure 12 ...

Page 27: ... 26 ...

Page 28: ... 27 SANYO Electric Co Ltd OSAKA Japan ...

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