Foreword And Warning - Sharp R-308HK Service Manual

This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service
Information for the SHARP MICROWAVE OVENS, R-308HK and R-308HW.
The models R-308HK and R-308HW are quite similar to base models R-305HK/R-305HW (Refer No. is S2304R305HPW/).
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.
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.
Certain initial parts are intentionally not grounded and present a risk of electrical shock only during servicing.
Service personnel - 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.
All the parts marked " " on parts list may cause undue microwave exposure, by themselves, or when they are damaged,
loosened or removed.
SERVICE MANUAL
MICROWAVE OVEN
R-308HK/ R-308HW
FOREWORD
WARNING
DANGER
SHARP ELECTRONICS CORPORATION
SHARP PLAZA, MAHWAH,
NEW JERSEY 07430-2135
3
R-308HK
R-308HW