Sharp R-204EWA Support Question
Sharp R-204EWA Support Question
Find answers below for this question about Sharp R-204EWA.Need a Sharp R-204EWA manual? We have 1 online manual for this item!
Question posted by Anonymous-109636 on April 30th, 2013
How Many Watts Does This Oven Have
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Related Sharp R-204EWA Manual Pages
Service Manual - Page 1
... PICTORIAL DIAGRAM ...28 CONTROL PANEL CIRCUIT ...29 PARTS LIST ...31 PACKING AND ACCESSORIES ...32
SHARP CORPORATION
This document has been published to change without notice. R-204EWA
SERVICE MANUAL
S6115R204EPWA
MICROWAVE OVEN
ON DEF. QTY. The contents are subject to be used for after sales service only.
Service Manual - Page 2
....
The owner of the specified limit, contact SHARP ELECTRONICS CORPORATION immediately @1-800-237-4277. 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 inform SHARP ELECTRONICS CORPORATION of...
Service Manual - Page 3
... cord. Reconnect the power supply cord after the outer case is
installed. 4.
Microwave ovens should be carried out.
1 When all functions. Discharge high voltage capacitor. 4.... 2.
Run the oven and check all leads removed from other
components and oven chassis by using insulation tape. 6. R-204EWA
WARNING TO SERVICE PERSONNEL
Microwave ovens contain circuitry capable of...
Service Manual - Page 4
... emission in excess of the requirement as specified in the oven is important not only to protect the oven, but also to acquisition by the performance standard for testing: Before beginning the actual measurement of this standard load in its instruction booklet. R-204EWA
MICROWAVE MEASUREMENT PROCEDURE
A. The placing of leakage, proceed as glass or...
Service Manual - Page 5
.... Removal of the outer wrap gives access to provide Sharp Electronics Corp. 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 been prepared to voltage above 250V.
High Voltage Capacitor, Power Transformer, Magnetron, High Voltage Rectifier Assembly, High...
Service Manual - Page 6
... Complement
Oven Cavity Light Safety Standard
PRODUCT DESCRIPTION
SPECIFICATIONS
DESCRIPTION
120 Volts 60 Hertz
Single phase, 3 wire grounded
1250W / Approx. 10.6 Amperes
800 W nominal of electric shock by providing an escape wire for Variable Cooking
Repetition Rate; In the event of an electrical short circuit, grounding reduces the risk of RF microwave...
Service Manual - Page 7
...Pronged Receptacle
CAUTION: DO NOT UNDER ANY CIRCUMSTANCES CUT OR REMOVE THE ROUND GROUNDING PRONG FROM THIS PLUG.
39 8
11
21
4
5
OVEN DIAGRAM
10
12 7
13 6
1. Door hinges 4. Removable turntable 8. Ventilation openings (Rear) 9. Wave guide cover 11. EXPRESS DEFROST
... supply cord
TOUCH CONTROL PANEL
Time display Indicators
ON DEF.
Control panel
13. R-204EWA
15 or 20 amp.
Service Manual - Page 8
R-204EWA
OPERATION
DESCRIPTION OF OPERATING SEQUENCE
The following is a description of the relays are closed...primary interlock relay (RY2), causing the C/T fuse to Figure O-2)
RELAY RY-1 RY-2
CONNECTED COMPONENTS oven lamp/turntable motor/fan motor power transformer
2. 120 volts A.C. Microwave power operation is set the clock, you must first touch
the STOP/CLEAR pad. The filament ...
Service Manual - Page 9
...PRIMARY
INTERLOCK
RELAY
120V AC 60 Hz
GRN
CONTROL UNIT
A1
B1
B2
OL
OVEN LAMP
SECONDARY INTERLOCK SWITCH
TTM FM
DOOR SENSING SWITCH
TURNTABLE MOTOR
FAN MOTOR
MONITOR...250V.
"START" PAD TOUCHED
C/T FUSE
MAGNETRON THERMAL CUT-OUT
COM. R-204EWA
SCHEMATIC NOTE: CONDITION OF OVEN 1. Oven Schematic-Cooking Condition
MAGNETRON
7 POWER TRANSFORMER
A3
(RY-1)
(RY-2) PRIMARY
...
Service Manual - Page 11
... oven becomes inoperative because of the power transformer. 5.
Run the oven and check all leads removed from other components and oven chassis by using insulation tape. 6. When troubleshooting the microwave oven,...5. Open the door and block it open . 3. TROUBLESHOOTING GUIDE
R-204EWA
Never touch any part in the circuit with the power supply cord disconnected. Disconnect the ...
Service Manual - Page 13
...oz. (453cc) of tap water and measure the temperature of the transformer with the microwave oven in water temperature) which would reduce cooking time. Remove the cup from components during ...VOLTAGE TERMINAL, SO DO NOT ATTEMPT TO MEASURE THE FILAMENT AND HIGH VOLTAGE.)
11 R-204EWA
TEST PROCEDURES
PROCEDURE LETTER
COMPONENT TEST
5. This test should be adjusted to 25.2˚C)...
Service Manual - Page 16
...is comprised of a 15 ampere fuse and switch. Run the oven and check all . Therefore, unlike conventional microwave ovens, proper maintenance cannot be replaced with only a voltmeter and ohmmeter... tape. 1. R-204EWA
TEST PROCEDURES
PROCEDURE
LETTER
H
BLOWN C/T FUSE TEST
COMPONENT TEST
1.
The C/T fuse and monitor switch assembly is installed. 5) Run the oven and check all functions...
Service Manual - Page 18
.... (2) Close the door, touch the " EXPRESS DEFROST " pad once for 0.5lbs in weight. (3) The oven is provided with a fine foil pattern added to the relay coil. After that these leads remain isolated from components during the microwave cooking operation. The meter should be checked. voltage Check voltage at the relay coil with...
Service Manual - Page 22
... COM2. Connected to K02.
The signals holds "L" level during microwave cooking and "H" level while not cooking.
Terminal not used .... frequency. Connected to LCD. C3)
Terminal not used . Oven lamp, fan motor and turntable motor driving signal.
Connected to...ON 24 sec. The
16.7 msec. Terminal not used .
R-204EWA
Pin No.
Terminal not used. Segment data signal. square waveform...
Service Manual - Page 23
...204EWA
SERVICING
1. Servicing of the touch control panel; On some models, the power supply cord between the touch control panel and the oven itself or from each other
components and oven... function. Other Precautions 1) Before turning on PWB) of the oven :
CAUTION: THE HIGH VOLTAGE TRANSFORMER OF THE MICROWAVE OVEN IS STILL LIVE DURING SERVICING AND PRESENTS A HAZARD . Precautions ...
Service Manual - Page 24
... pin is damaged.
4. Remove the remaining two (2) screws from the lower portion of the
rear cabinet using a T20H Torx type or GTXH20-100 screw driver. 4. 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.
to the...
Service Manual - Page 28
...mounting screws) to free engaging parts. 4. Both results (play in Figure C-7 to oven flange.
4. Insert a putty knife (thickness of about 0.5mm) into the
gap between... to the control unit. Now choke cover is opened. 4. R-204EWA
3. Make sure that monitor switch is activated with an approved microwave survey meter. (Refer to prevent microwave leakage.
9
8 Choke Cover
7
6
2
54 3
0...
Service Manual - Page 29
...Fig. Refer to "Sealer Film" and
figure C-9, on a microwave oven is positioned with releasing latch spring from oven cavity during cook cycle.
Put the adhesive tape on door ... that latch head goes through center of Door Panel
Lower Oven Hinge Choke Cover
Lower Pin Oven
Hinge
Figure C-8. R-204EWA
upper and lower oven hinges by pulling the adhesive tape. 3. Tear the backing...
Service Manual - Page 32
NO.
The parts marked "*" are used in voltage more than 250V. R-204EWA
PARTS LIST
Note: The parts marked "∆" may cause undue microwave exposure. DESCRIPTION
ELECTRIC PARTS
1- 1 1- 2 1- 3 1- 3 * 1- 4 * 1- 5 * 1- 5 * 1- 5 * 1- 6 * 1- ... Fan motor Fan motor (Interchangeable) Magnetron Magnetron (Interchangeable) Oven lamp Turntable motor Turntable motor (Interchangeable) Thermal cut-out ...
Service Manual - Page 33
...
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 ASSEMBLY ...3mm x 6mm Special screw Screw : 4mm 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
AB
1
AA
5
AA
1
AA
2...
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