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MICROWAVE OVEN
SERVICE MANUAL
MODEL: MC-806BLR
CAUTION
BEFORE SERVICING THE UNIT, READ THE
SAFETY PRECAUTIONS IN THIS MANUAL.
SAFETY PRECAUTIONS
This device is to be serviced only by properly qualified service personnel.
Consult the Service Manual for proper service procedures to assure continued safety operation and for precautions to
be taken to avoid possible exposure to excessive microwave energy.
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
microwave 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
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 manual before
the oven is released to the owner.
E) A microwave leakage check should be performed on each oven prior to release to the owner.
CAUTION DO NOT BECOME EXPOSED TO RADIATION FROM THE MICROWAVE
MICROWAVE RADIATION GENERATOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY.
TABLE OF CONTENTS
(Page)
SAFETY PRECAUTIONS ................................................................................................. Inside front cover
SPECIFICATIONS ......................................................................................................................................1-1
CAUTIONS ................................................................................................................................................ 2-1
INSTALLATIONS ....................................................................................................................................... 3-1
OPERATING INSTRUCTIONS .................................................................................................................. 4-1
FEATURES ........................................................................................................................................... 4-1
CONTROL PANEL .................................................................................................................................4-1
OPERATING SEQUENCE .................................................................................................................... 4-2
SCHEMATIC DIAGRAM ....................................................................................................................... 4-3
CIRCUIT DESCRIPTION ...................................................................................................................... 4-4
SERVICE INFORMATION ......................................................................................................................... 5-1
TOOLS AND MEASURING INSTRUMENTS ........................................................................................ 5-1
MICROWAVE LEAKAGE TEST ............................................................................................................ 5-1
MEASUREMENT OF MICROWAVE POWER OUTPUT ....................................................................... 5-3
DISASSEMBLY AND ADJUSTMENT .....................................................................................................5-3
INTERLOCK CONTINUITY TEST ........................................................................................................ 5-8
COMPONENT TEST PROCEDURE ..................................................................................................... 5-9
TROUBLE SHOOTING GUIDE ........................................................................................................... 5-14
EXPLODED VIEW ..................................................................................................................................... 6-1
REPLACEMENT PARTS LIST .................................................................................................................. 7-1
SCHEMATIC DIAGRAM OF P.C.B. ........................................................................................................... 8-1
PRINTED CIRCUIT BOARD................................................................................................................. 8-2
PCB PARTS LIST....................................................................................................................................... 9-1
SPECIFICATIONS
ITEM DESCRIPTION
Power Requirement 230V AC50Hz
Single phase, 3 wire grounded
Microwave 1350W
Grill 1250W
Convection 1350W (MAX. 2550W)
Combination 2650W
Power Output 850W full microwave power(IEC705)
Microwave Frequency 2,450MHz
Magnetron 2M214 - 39F, 2M254J, 2M218J
Timer 99min. 50sec.
Outside Dimensions 530(W) X 322 X 500mm
Cavity Dimensions 348(W) X 232 X 374mm
Net Weight 23.0kg
Shipping weight 25.5kg
Control Complement Microwave Power for Variable Cooking
Power level
HIGH...............................................Full power throughout the cooking time(100%)
MED-HIGH .....................................approx. 80% of Full power
MEDIUM .........................................approx. 60% of Full power
DEFROST ......................................approx. 40% of Full power
LOW ...............................................approx. 20% of Full power