Sharp R-1870 service manual Danger, Sharp Plaza, Mahwah New Jersey, Service Manual

Models: R-1870

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SERVICE MANUAL

SERVICE MANUAL

MICROWAVE OVEN

R-1870/R1871

FOREWORD

This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service Information for the SHARP MICROWAVE OVEN, R-1870 and R-1871.

The models R-1870 and R-1871 are quite similar to base model R-1850 (Ref.# S6804R1850X//)

It is recommended that service personnel carefully study the entire text of this manual and the base model's manual so that they will be qualified to render satisfactory customer service.

Check the interlock switches and the door seal carefully. Special attention should be given to avoid electrical shock and microwave radiation hazard.

WARNING

Never operate the oven until the following points are ensured:

(A)The door is tightly closed.

(B)The 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 carried out only by trained service personnel.

DANGER

Certain initial parts are intentionally not grounded and present a risk of electrical shock only during servicing. Service person- nel - Do not contact the following parts while the appliance is energized;

High Voltage Capacitor, Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness;

If provided, Vent Hood, Fan assembly, Cooling Fan Motor.

All the parts marked “*” on parts list are used at voltages more than 250V.

Removal of the outer wrap gives access to voltage above 250V.

SHARP ELECTRONICS CORPORATION

SHARP PLAZA, MAHWAH,

NEW JERSEY 07430-2135

R - 1 8 7 0

R - 1 8 7 1

PRODUCT DESCRIPTION

GENERALINFORMATION

OPERATION

TROUBLESHOOTING GUIDE AND TEST PROCEDURE

TOUCH CONTROL PANEL

COMPONENT REPLACEMENT ANDADJUSTMENTPROCEDURE

WIRINGDIAGRAM

PARTS LIST

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Sharp service manual Danger, Sharp Plaza, Mahwah New Jersey, Service Manual, MICROWAVE OVEN R-1870/R1871 FOREWORD