Warning - Sharp R-90GCH Service Manual

SERVICE MANUAL
HIGH SPEED CONVECTION
MICROWAVE OVEN
GENERAL IMPORTANT INFORMATION
This Manual has been prepared to provide Sharp Corp. Service
engineers with Operation and Service Information.
It is recommended that service engineers carefully study the
entire text of this manual, so they will be qualified to render
satisfactory customer service.

WARNING

Note: The parts marked "*" are used at volt-
age more than 250V. (Parts List)
Anm: Delar märket med "*" har en spänning
överstigande 250V.
Huom: Huolto-ohjeeseen merkitty "tähdella"
osat joissa jännite on yli 250 V.
Bemerk: Deler som er merket "asterisk" er utsatt
for spenninger over 250V til jord.
Bemærk: "Dele mærket med stjerne benyttes
med højere spænding end 250 volt.
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 not any other visible damage with the oven.
Servicing and repair work must be carried out only by
trained service engineers.
Removal of the outer wrap gives access to potential above
250V.
All the parts marked "∆" on the parts list may cause
undue microwave exposure, by themselves, or when
they are damaged, loosened or removed.
SHARP CORPORATION
OSAKA, JAPAN
R-90GCH
SERVICING
PRODUCT SPECIFICATIONS
GENERAL INFORMATION
APPEARANCE VIEW
OPERATING SEQUENCE
FUNCTION OF IMPORTANT
COMPONENTS
TROUBLESHOOTING GUIDE
AND TEST PROCEDURE
TOUCH CONTROL PANEL
COMPONENT REPLACEMENT
AND ADJUSTMENT PROCEDURE
MICROWAVE MEASUREMENT
TEST DATA AT A GLANCE
WIRING DIAGRAM
PARTS LIST
1
R-90GCH