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Sanyo EM-C1900 Service Manual
Sanyo EM-C1900 Service Manual

Sanyo EM-C1900 Service Manual

Microwave oven
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SERVICE MANUAL
Read this manual carefully, especially precaution on microwave energy, and follow the procedure
strictly,careless servicing and testing may expose yourself to the microwave energy leakage.
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE
TO EXCESSIVE MICROWAVE 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 micro-
wave source, and make repairs as necessary:
(1)Interlock operation, (2) proper door closing, (3) seal and sealing surfaces (arcing, wear, and other damage),
(4) damage to or loosening of hinges and latches, (5) evidence of dropping or abuse.
(c) Before turning on microwave power for any service test or inspection within the microwave generating compart-
ments, 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 manual before
the oven is released to the owner.
Microwave Oven
Foreword
PRECAUTIONS
EM-C1900 (U.K)
Pro.Code No. Model No.
437 623 00
EM-C1900UK
REFERENCE NO.
SM-6310022-00

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Summary of Contents for Sanyo EM-C1900

  • Page 1 SERVICE MANUAL EM-C1900 (U.K) Microwave Oven Pro.Code No. Model No. 437 623 00 EM-C1900UK Foreword Read this manual carefully, especially precaution on microwave energy, and follow the procedure strictly,careless servicing and testing may expose yourself to the microwave energy leakage.
  • Page 4: Circuit Diagram

    5.CIRCUIT DIAGRAM Figure 2 *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. - 3 -...
  • Page 8: Checkout Procedure

    Primary WARNING: winding When removing the cabinet, you must disconnect the power supply cord from the wall outlet for your safety. Only the checkout procedure below needs the power supply on. TAKE GREAT CARE to avoid possible shock. Primary For your safety, proceed with the test only after re- winding moving the wire leads from the primary winding of the high voltage transformer.
  • Page 15 Maintenaunce: The microwave ovens are designed, manufactured, and tested for years of dependable operation. Howevre, the oven may require service from time to time if the consumable components listed below are not replaced at the appropriate time. For protection from unexpected service calls and undue inconvenience, we recommend that the user has the listed parts replaced at the intervals belows,(at customer cost).
  • Page 16: Exploded View And Parts List

    8. EXPLODED VIEW AND PARTS LIST Main body Parts-1 4x12 4x10 4x12 4x12 4x12 4x12 4x12 Parts marked with this sign have special characteristics important for microwave leakage. When replacing any of these parts use only manufacturers specified parts. - 15 -...
  • Page 17 3x10 4x12 3x12 4x10 Parts marked with this sign have special characteristics important for microwave leakage. When replacing any of these parts use only manufacturers specified parts. - 16 -...
  • Page 19 Main body Parts-2 4x10 4x10 4x10 4x18 4x10 15 16 3x30 4x12 Parts marked with this sign are supplied with high voltage 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.
  • Page 20 Parts marked with this sign are supplied with 4x10 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. - 19 -...
  • Page 21 Main body Parts-2 EM-C1900UK KEY No.SERVICE PARTS DESCRIPTION Q'TY 617 196 9245 BLOWER COMP. 415 003 1709 MAGNETRON 2M282K(M) 617 214 7628 THERMOSTAT NGT 03EN 150C 617 120 3431 DUCT,MAG.UPPER UPPER 617 120 3448 DUCT,MAG.LOWER LOWER 617 206 8220 CAPACITOR 0.1MFD 617 004 5230 MICRO SWITCH, MONITOR...
  • Page 23 Control panel Parts 3x10 Parts marked with this sign have special characteristics important for microwave leakage. When replacing any of these parts use only manufacturers specified parts. EM-C1900UK KEY No.SERVICE PARTS DESCRIPTION Q'TY 617 266 5191 KEY BOARD T0.9 617 206 0873 CONTROL PLATE ACRIL 2.0 617 120 3493...
  • Page 24: Overall Circuit Diagram

    9. OVERALL CIRCUIT DIAGRAM - 23 -...
  • Page 25 - 24 -...
  • Page 26: Control Circuit Board

    CONTROL CIRCUIT BOARD Figure 12 - 25 -...
  • Page 27 - 26 -...
  • Page 28 SANYO Electric Co.,Ltd. OSAKA Japan - 27 -...