Sharp R-1870 service manual SHARP ELECTRONICS CORPORATION sales service only, Table Of Contents

R-1870

R-1871

SUPPLEMENTAL SERVICE MANUAL

S91M173R1870E

OVER THE RANGE

MICROWAVE OVEN

MODELS R-1870/R-1871

Model R-1870

This is a supplemental Service Manual for Models R-1870/R1871.

This model is quite similar to Base Model R-1850 (S/M# S6804R1850X//).

Use this supplemental manual together with the Base Model Service Manuals for complete operation and service information

In the interest of user-safety the oven should be restored to its original condition and only parts identical to those specified should be used.

WARNING TO SERVICE PERSONNEL: Microwave ovens contain circuitry capable of producing very high voltage and current, contact with following parts may result in a severe, possibly fatal, electrical shock. (High Voltage Capacitor, High Voltage Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness etc..)

TABLE OF CONTENTS
	Page
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO
AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY	INSIDE FRONT COVER
BEFORE SERVICING	INSIDE FRONT COVER
WARNING TO SERVICE PERSONNEL	1
MICROWAVE MEASUREMENT PROCEDURE	2
FOREWORD AND WARNING	3
PRODUCT SPECIFICATIONS	4
GENERAL INFORMATION	4
OPERATION	6
COMPONENT TEST	9
PICTORIAL DIAGRAM	10
LSI UNIT CIRCUIT	11
PARTS LIST	12
PACKING AND ACCESSORIES	18

This document has been published to be used for after

SHARP ELECTRONICS CORPORATION sales service only.

The contents are subject to change without notice.

Service Headquarters: Sharp Plaza, Mahwah, New Jersey, 07430-2135