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Most Recent Sharp R-204EWA Questions
Flashing 00:00 & Now The Microwave Will Not Start Or Clear
(Posted by brickadams56 2 years ago)
Flashing Display
The display on the microwave is flashing 88:88 all the time. None of the buttons on the control pane...
The display on the microwave is flashing 88:88 all the time. None of the buttons on the control pane...
(Posted by cheeze74 3 years ago)
What's The Wattage??
(Posted by bburt1999 3 years ago)
Power Level Operation
How do I change the power level on this microwave? Pressing the power level button several times doe...
How do I change the power level on this microwave? Pressing the power level button several times doe...
(Posted by kagunders 9 years ago)
Sharp R-220ewa Household Microwave Oven Manual.
How do I find an owner's manual for the Sharp R-220ewa household microwave oven. Sharp's own website...
How do I find an owner's manual for the Sharp R-220ewa household microwave oven. Sharp's own website...
(Posted by guyca 10 years ago)
Popular Sharp R-204EWA Manual Pages
Service Manual - Page 1
... TO SERVICE PERSONNEL ...1 MICROWAVE MEASUREMENT PROCEDURE 2 FOREWORD AND WARNING ...3 PRODUCT SPECIFICATIONS ...4 GENERAL INFORMATION ...4 OPERATION ...6 TROUBLESHOOTING GUIDE ...9 TEST PROCEDURE ...10 TOUCH CONTROL PANEL ...18 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 22 PICTORIAL DIAGRAM ...28 CONTROL PANEL CIRCUIT ...29 PARTS LIST ...31 PACKING AND ACCESSORIES ...32
SHARP CORPORATION...
Service Manual - Page 2
... the user not to operate the oven and 2) contact SHARP ELECTRONICS CORPORATION and Food and Drug Administration's Center for proper alignment, integrity, and connections. (d) Any defective or misadjusted components in the interlock, monitor, door seal, and microwave generation and transmission systems shall be repaired, replaced, or adjusted by procedures described in this service manual.
Service Manual - Page 3
... PERSONNEL
Microwave ovens contain circuitry capable of the power
transformer. 5. Danger High Voltage
Before Servicing
1. Discharge high voltage capacitor.
, and then
WARNING:RISK OF ELECTRIC SHOCK. Whenever troubleshooting is
installed. 4. After that the leads remain isolated from components during testing.
2. Open the door and block it open . 3.
Reconnect all instructions...
Service Manual - Page 4
... oven is important not only to protect the oven, but also to boil before the survey is measured accurately. 4) Set the cooking control on service invoice and microwave leakage report.
2
C. R-204EWA
MICROWAVE MEASUREMENT PROCEDURE
A. NOTE: After servicing, record data on Full Power Cooking Mode 5) Close the door and select a cook cycle of the metal
has been...
Service Manual - Page 5
... INFORMATION OPERATION TROUBLESHOOTING GUIDE AND TEST PROCEDURE TOUCH CONTROL PANEL COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE WIRING DIAGRAM PARTS LIST
DANGER Certain initial parts are used at voltages more than 250V. All the parts marked "*" on parts list may cause undue microwave exposure, by trained service personnel. SERVICE MANUAL
MICROWAVE OVEN
R-204EWA
FOREWORD
This Manual has...
Service Manual - Page 7
...codes and ordinances. Safety door latches 3. Power supply cord
TOUCH CONTROL PANEL
Time display Indicators
ON DEF. Door open handle 12. QTY. Door seals and sealing surfaces 5. It is provided to contact a qualified electrician and have a grounding adapter properly grounded and polarized. When installing this appliance be used, it replaced... turntable support 7. Wave guide cover ...
Service Manual - Page 11
.... Reconnect all functions.
9
TROUBLESHOOTING GUIDE
R-204EWA
Never touch any part in the "Test Procedure "section.
Open the door and block it open . 3. Disconnect the leads to connect the power supply cord after the outer case is replaced, the monitor switch must also be performed. After that a specific test be replaced.
Discharge high voltage capacitor...
Service Manual - Page 12
.../ COMPU DEFROST
CONDITION OFF CONDITION
COOKING CONDITION
PROBLEM
Home fuse blows when power cord is opened. Disconnect the power supply cord, and then remove outer case. 2.
R-204EWA
TEST PROCEDURE
CK = Check / RE = Replace RE CK A B C D E F F G H RE RE CK I/K CK CK CK J M L
POSSIBLE CAUSE AND
DEFECTIVE PARTS
SHORT IN POWER CORD SHORT OR OPEN WIRING...
Service Manual - Page 14
...especially the cooling fan air guide. 5. If the above is open (NO) terminal
of the meter, read in both directions, or if an infinite resistance is installed. 8. Reinstall the outer case... CIRCUIT AT ROOM TEMPERATURE, REPLACE THERMAL CUT-OUT. Isolate the rectifier from components during testing.
12 If it open circuit once the capacitor is installed. 8. F
SECONDARY INTERLOCK ...
Service Manual - Page 16
... C/T fuse is blown when the door is blown by unit replacement is comprised of control unit.
Reinstall the outer case (cabinet). 7. Key Unit.
In this service manual, the touch control panel assembly is divided into two units, Control Unit and Key Unit, and troubleshooting by improper switch operation, the C/T fuse and monitor switch must...
Service Manual - Page 17
...block it open . 3. If a specific pad does not respond, the above method may be replaced. Reconnect all functions. 2. R-204EWA
TEST PROCEDURES
PROCEDURE LETTER
COMPONENT TEST
...installed. 7) Run the oven and check all functions.
15 b) When touching the pads, no pads produce a signal. 2-2 In connection with indicators a) At a certain digit, all digits flicker. 2-3 Other possible problems...
Service Manual - Page 21
... the LSI, DC voltage in accordance with the Model in the LSI.
A pulse signal is applied to set by inserting the resistor oscillation circuit with respect to... OCS4 terminal. Key strobe signal. Signal applied to drive the A/D converter in the following table. Key strobe signal. Signal applied to touch-key section. R-204EWA...
Service Manual - Page 24
... the two (2) screws from the unit.
22
Special Screw Screw Driver Type: TORX T20 H or
GTXH20-100
Figure C-1. R-204EWA
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
WARNING AGAINST HIGH VOLTAGE:
Microwave ovens contain circuitry capable of producing very high voltage and current, contact with following parts may result in the outer case cabinet. 4.
WARNING FOR WIRING
To...
Service Manual - Page 26
...the any sharp edges on the control panel frame surfaces
completely with the cutting pliers. 2. Re-install the turntable ...is free. Washer and O-ring Installation and Grease Applying.
Remove the turntable and turntable support from the oven cavity. 9. ... case. 2. R-204EWA
CONTROL PANEL ASSEMBLY REMOVAL
1. Remove the one (1) screw holding the chassis support
to the control panel...
Service Manual - Page 33
... in the Service Policy. REF. REF. MODEL NUMBER 2. NO. 3.
DESCRIPTION
Order Parts from the authorized SHARP parts Distributor for your order filled promptly and correctly, please furnish the following information.
1. PACKING AND ACCESSORIES
INTO THE OVEN CAVITY
DOOR PROTECTION SHEET SPADPA580WRE0 6-3 OPERATION MANUAL
6-2 TURNTABLE TRAY MICROWAVE OVEN
6-1 TURNRABLE SUPPORT
TOP PAD...
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