R-4G75M (serv.man7). Complete - Sharp Home Appliance Service Manual (repair manual)

r-4g75m (serv.man7) service manual
Model
R-4G75M (serv.man7)
Pages
44
Size
669.13 KB
Type
PDF
Document
Service Manual
Brand
Device
Home Appliance / Microwave Oven / Complete
File
r-4g75m-sm7.pdf
Date

Read Sharp R-4G75M (serv.man7) Service Manual online

SHARP CORPORATION
R-4G75(W)M
R-4G75(B)M
SERVICE MANUAL
S1401R4G75EWM
In interests of user-safety the oven should be restored to its original
condition and only parts identical to those specified should be used.
R-4G75(W)M
R-4G75(B)M
GRILL AND
MICROWAVE OVEN
MODELS
TABLE OF CONTENTS
Page
GENERAL IMPORTANT INFORMATION ..................................................................................................  1
CAUTION, MICROWAVE RADIATION, WARNING ...................................................................................  1
PRODUCT SPECIFICATIONS ...................................................................................................................  2
APPEARANCE VIEW .................................................................................................................................  3
OPERATION SEQUENCE ..........................................................................................................................  4
FUNCTION OF IMPORTANT COMPONENTS ..........................................................................................  6
SERVICING ................................................................................................................................................  7
TEST PROCEDURE ...................................................................................................................................  9
TOUCH CONTROL ASSEMBLY .............................................................................................................. 17
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE .....................................................  23
MICROWAVE MEASUREMENT .............................................................................................................. 28
TEST DATA AT A GLANCE ..................................................................................................................... 29
WIRING DIAGRAM ................................................................................................................................... 30
PICTORIAL DIAGRAM .............................................................................................................................  32
CONTROL PANEL CIRCUIT ....................................................................................................................  33
PRINTED WIRING DIAGRAM .................................................................................................................. 34
PARTS LIST .............................................................................................................................................  35
PACKING AND ACCESSORIES .............................................................................................................. 40
Photo R-4G75(W)M
R-4G75(W)M
R-4G75(B)M
R-4G75(B)M
1
R-4G75(W)M
R-4G75(B)M
GENERAL INFORMATION
PRODUCT SPECIFICATIONS
APPEARANCE VIEW
OPERATING SEQUENCE
FUNCTION OF IMPORTANT
COMPONENTS
SERVICING AND
TROUBLESHOOTING CHART
TEST PROCEDURE
TOUCH CONTROL PANEL
COMPONENTS REPLACEMENT
AND ADJUSTMENT PROCEDURE
MICROWAVE MEASUREMENT
TEST DATA AT A GLANCE
WIRING DIAGRAM
PARTS LIST
GRILL AND MICROWAVE OVEN
R-4G75(W)M/ R-4G75(B)M
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.
SERVICE MANUAL
CAUTION
MICROWAVE RADIATION
Service engineers should not be exposed to the microwave
energy which may radiate from the magnetron or other
microwave generating devices if it is improperly used or
connected. All input and output microwave connections,
waveguides, flanges and gaskets must be secured. Never
operate the device without a microwave energy absorbing
load attached. Never look into an open waveguide or antenna
while the device is energized.
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.
All the parts marked ”*” on parts list are used at voltages more
than 250V.
Removal of the outer wrap gives access to potentials above
250V.
All the parts marked ”
” on parts list may cause undue
microwave exposure, by themseleves, or when they are
damaged, loosened or removed.
SHARP CORPORATION
OSAKA, JAPAN
2
R-4G75(W)M
R-4G75(B)M
GENERAL INFORMATION
WARNING
THIS APPLIANCE MUST BE EARTHED
IMPORTANT
THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE:
GREEN-AND-YELLOW
: EARTH
BLUE
: NEUTRAL
BROWN
: LIVE
PRODUCT SPECIFICATIONS
SPECIFICATION
ITEM
DESCRIPTION
Power Requirements
240 Volts
50 Hertz
Single phase, 3 wire grounded
Power Consumption
Microwave cooking
1.75 kW Approx. 8 A
Grill cooking
1.25 kW Approx. 5.2 A
Dual cooking
2.85 kW Approx. 12.05 A
Power Output
1000W watts nominal of RF microwave energy
(measured by way of IEC 705) Operating frequency of 2450 MHz
Grill Heating Element Power Output
1200W (600W x 2)
Case Dimensions
Width 520mm
Height 305mm including foot
Depth 413mm
Cooking Cavity Dimensions
Width 342mm
Height 193mm
Depth 368mm
Turntable diameter
325mm
Control Complement
Touch Control System
Clock(1:00-12:59 or 0:00-23:59)
Timer (0-99 minutes 90 seconds)
99 minutes 90 seconds
Microwave Power for Variable Cooking
Repetition Rate;
HIGH ...................  Full power throughout the cooking time
MEDIUM HIGH .......................  approx. 70% of Full Power
MEDIUM ................................  approx. 50% of Full Power
MEDIUM LOW .......................  approx. 30% of Full Power
LOW ......................................  approx. 10% of Full Power
INSTANT COOK pad
AUTO DEFROST pad, AUTO COOK pad
Weight pad, LESS/MORE pad
Time pads, MICROWAVE pad
GRILL pad, DUAL COOK pad
AUTO MINUTE/START pad, STOP/CLEAR pad
TIMER/HOLD pad, AUTO START/CLOCK PAD
Conversion Pad
Set Weight
Approx. 18 kg
Page of 44
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Here you can read online and download Sharp R-4G75M (serv.man7) Service Manual in PDF. R-4G75M (serv.man7) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp R-4G75M (serv.man7) Microwave Oven. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.