Sharp R-204EWA Support Question
Sharp R-204EWA Support Question
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Answer #1: Posted by BusterDoogen on September 14th, 2013 1:07 PM
BusterDoogen
Member since:
October 30th, 2011 Points: 28,565,407
Member since:
October 30th, 2011 Points: 28,565,407
Product MPN: R-220HW Key Features
Capacity: 0.8 cu. ft. Cooking Power: 800 Watts
Microwave Type: Countertop Convection Cook: Without Convection Cook Other Features Brand Sharp
Dimensions Exterior Width: 18.13 in. Exterior Depth: 14.13 in. Exterior Height: 10.88 in.
Miscellaneous UPC: 074000611436 Product ID: 22008316
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Related Sharp R-204EWA Manual Pages
Service Manual - Page 1
... REPLACEMENT AND ADJUSTMENT PROCEDURE 22 PICTORIAL DIAGRAM ...28 CONTROL PANEL CIRCUIT ...29 PARTS LIST ...31 PACKING AND ACCESSORIES ...32
SHARP CORPORATION
This document has been published to be used for after sales service only.
QTY. LBS. R-204EWA
SERVICE MANUAL
S6115R204EPWA
MICROWAVE OVEN
ON DEF. The contents are subject to those specified should be used .
Service Manual - Page 2
... in excess of 4mW/cm2.
R-204EWA
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY
(a) Do not operate or allow the oven to be operated with the door open , service person should 1) tell the user not to operate the oven and 2) contact SHARP ELECTRONICS CORPORATION and Food and...
Service Manual - Page 3
...Example)
High Voltage Capacitor, High Voltage Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness etc.. Discharge high voltage capacitor. 4.
R-204EWA
WARNING TO SERVICE PERSONNEL
Microwave ovens contain circuitry capable of producing very high voltage and current, contact with the use of an insulated screwdriver.
Discharge high voltage capacitor...
Service Manual - Page 4
... leakage is measured accurately. 4) Set the cooking control on
the meter. 3) Check for microwave ovens, 21 CFR 1030.10(c)(3)(i), must be a low form of 600 ml (20 oz) ...the center of the oven.
C. R-204EWA
MICROWAVE MEASUREMENT PROCEDURE
A. Requirements:
1) Microwave leakage limit (Power density limit): The power density of microwave radiation emitted by a microwave oven should not exceed 1mW...
Service Manual - Page 5
... shock only during servicing. Servicing and repair work must be qualified to provide Sharp Electronics Corp. Do not contact the following points are ensured. (A) The door is not any other visible damage with Operation and Service Information for the SHARP MICROWAVE OVEN, R-204EWA. High Voltage Capacitor, Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage...
Service Manual - Page 6
...Touch Control System Clock (1:00 - 12:59) Timer (0 - 99 minutes 99 seconds) Microwave Power for the electric current. WARNING: Improper use of the grounding plug can result in ...START pad
Yes
UL Listed. R-204EWA
ITEM Power Requirements Power Consumption Power Output Case Dimensions Cooking Cavity Dimensions (0.8 Cubic feet) Control Complement
Oven Cavity Light Safety Standard
PRODUCT DESCRIPTION...
Service Manual - Page 7
...provided. If the extension cord must be used, it can be a 3-wire, 15 amp. Oven door with a properly grounded three-pronged wall receptacle or have a grounding adapter properly grounded and ...that a separate circuit serving only this appliance, observe all applicable codes and ordinances. R-204EWA
15 or 20 amp. Grounded Receptacle Box
3-Pronged Plug
Grounding Pin 3-Pronged Receptacle
...
Service Manual - Page 8
...monitor switch contacts open their contacts. Then the monitor switch contacts close .
The microwave energy produced by touching the POWER LEVEL pad. If the secondary interlock switch ... it will function in the cook cycle when the door was opened during oven operation. R-204EWA
OPERATION
DESCRIPTION OF OPERATING SEQUENCE
The following is a description of component functions ...
Service Manual - Page 11
...cord after the outer case has been removed, in this event, 1. TROUBLESHOOTING GUIDE
R-204EWA
Never touch any part in the circuit with the power supply cord disconnected. These ...troubleshooting the microwave oven, it open . 3. Disconnect the leads to follow the Sequence of trouble will be performed. Run the oven and check all leads removed from other components and oven chassis by...
Service Manual - Page 13
...the water until the temperature stabilizes. Record the temperature of the water with the microwave oven in temperature. Remove the cup from components during testing. 7. If the water ...shorted magnetron, connect the ohmmeter leads between the magnetron filament leads and chassis ground. R-204EWA
TEST PROCEDURES
PROCEDURE LETTER
COMPONENT TEST
5. This test should be 24.4 to 45.4˚F(...
Service Manual - Page 16
... REPLACE THE C/T FUSE.
5.
Therefore, unlike conventional microwave ovens, proper maintenance cannot be replaced with only a voltmeter...204EWA
TEST PROCEDURES
PROCEDURE
LETTER
H
BLOWN C/T FUSE TEST
COMPONENT TEST
1. Before testing,
1) Disconnect the power supply cord and then remove outer case. 2) Open the door and block it open C/T fuse indicates the oven overheated, Replace the oven...
Service Manual - Page 18
...
4TH STAGE
EXPRESS DEFROST LEVEL
0.5lb
70%
TIME 57sec. LEVEL 50%
TIME 32sec. R-204EWA
PROCEDURE LETTER
TEST PROCEDURES COMPONENT TEST
G 6
G 5
G 4
G 3
G 2
... water in Express Defrost cooking condition. (4) The oven will operate as a fuse.
16
Disconnect the ...that these leads remain isolated from components during the microwave cooking operation. LEVEL TIME 0% 57sec. Remove the ...
Service Manual - Page 22
... used .
OFF 8 sec.
R-204EWA
Pin No. IN
Signal similar to LCD. C1)
Common data signal: COM2. C3)
Terminal not used . The signals holds "L" level during microwave cooking and "H" level while not ... the signal turns to "H" level and "L" level in repetition according to LCD (Pin No.
Oven lamp, fan motor and turntable motor driving signal. To turn on key matrix is touched, ...
Service Manual - Page 23
R-204EWA
SERVICING
1. CMOS LSI have extremely high impedance at its input and output terminals. approx. 1M ohm
2. After checking ... the touch control panel; Servicing of Touch Control Panel We describe the procedures to check and repair the controls of the microwave oven and the precautions you must take when doing so. Connect an external power source to the power input terminal of the ...
Service Manual - Page 24
...
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 precautions. 1.
Do not operate the oven if any remedial work that the wire leads do not come off...
Service Manual - Page 26
... chassis support
to the oven cavity. 9. Turntable Motor Cover
Turntable motor
Figure C-4. COOLING FAN MOTOR REMOVAL
REMOVAL 1. R-204EWA
CONTROL PANEL ASSEMBLY REMOVAL
...OVEN.
5. Remove the turntable motor cover from the
oven cavity. 3. Remove the single (1) screw holding the light mounting
plate to the oven cavity front plate. 6. Screw;
Reinstallation 1. Remove the any sharp...
Service Manual - Page 28
... the door allowed by the upper and lower position of door toward the oven face. Then check lower portion of the latch hook, pushing and pulling ... warp the slit choke (tabs on the door panel assembly) to Microwave Measurement Procedure.)
Latch Heads Latch Hook
Door Sensing Switch
After adjustment, make... . 1.
R-204EWA
3. With the door closed . Pry the choke cover by moving it open . 3.
Service Manual - Page 29
... the leakage of microwave energy from oven cavity. Sealer film
27 Release door panel from ten (10) tabs of the following : 1. Re-install latch spring
to the head. This function does not require that latch head goes through center of cavity face plate is to be less than 1.0mm. 3. R-204EWA
upper and lower...
Service Manual - Page 32
PART NO.
REF. R-204EWA
PARTS LIST
Note: The parts marked "∆" may cause undue microwave exposure. NO. The parts marked "*" are used in voltage more than 250V. DESCRIPTION
ELECTRIC PARTS
1- 1 1- 2 1- 3 1- 3 * 1- 4 * 1- 5 * 1- 5 * 1-...Fan motor Fan motor (Interchangeable) Magnetron Magnetron (Interchangeable) Oven lamp Turntable motor Turntable motor (Interchangeable) Thermal cut-out ...
Service Manual - Page 33
...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... x 12mm Screw : 4mm x 8mm Special screw Screw : 4mm x 8mm Screw : 4mm x 8mm
R-204EWA
Q'TY
1 1 1 1 1 1
CODE
AQ AF AC AC AD AF
2
AA
2
AB
1
...
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