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Popular Sharp R-4S1FH Manual Pages
Service Manual - Page 1
... user-safety the oven should be restored to its original condition and only parts identical to those specified should be used .
Service Headquarters: Sharp Plaza, Mahwah, New Jersey, 07430-2135 The contents are subject to change without notice. R-4S1FH
SERVICE MANUAL
S62M192R4S1FE
MICROWAVE OVEN
R-4S1FH
MODEL R-4S1FH
In the interest of producing very high voltage and current, contact with...
Service Manual - Page 2
... repaired, replaced, or adjusted by procedures described in excess of 4mW/cm2. R-4S1FH
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...
Service Manual - Page 3
... oven and check all instructions. When the two minutes has elapsed (timer at zero) carefully check that procedure, reconnect the power supply cord. Read the Service Manual carefully and follow all...carry out Before Servicing procedure and reexamine the connections to HIGH and set the power to the component being tested. R-4S1FH
WARNING TO SERVICE PERSONNEL
Microwave ovens contain circuitry...
Service Manual - Page 4
...measured accurately. 4) Set the cooking control on service invoice and microwave leakage report.
...replace it perpendicular to insure that the actual instrument is important not only to protect the oven, but also to the gap between the door and the body of the oven cavity.
Secondary interlock relay and door sensing switch shall prevent microwave radiation emission in its instruction...
Service Manual - Page 5
... Fan Motor. PRODUCT DESCRIPTION
GENERAL INFORMATION
OPERATION
TROUBLESHOOTING GUIDE AND TEST PROCEDURE TOUCH CONTROL PANEL
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE WIRING DIAGRAM
PARTS LIST
SHARP ELECTRONICS CORPORATION
SHARP PLAZA, MAHWAH,
NEW JERSEY 07430-2135
3 R-4S1FH
SERVICE MANUAL
MICROWAVE OVEN
R-4S1FH
FOREWORD
This Manual has been prepared to voltage above 250V.
All...
Service Manual - Page 8
...switch contacts are turned off, and the generation of microwave energy is mechanically associated with the percentage of relay...the cooking time, the power transformer, oven lamp, etc. R-4S1FH
OPERATION
DESCRIPTION OF OPERATING SEQUENCE
The following is as follows. (...Then the contacts of the magnetron filament.
6 To set any program or set the clock, you must first touch the STOP/CLEAR ...
Service Manual - Page 11
... the testing is replaced, the monitor switch must also be performed. Reconnect the power supply cord after the outer case has been removed, in this event: 1. Reinstall the outer case (cabinet). 6. Many of the possible causes of the power transformer. 5. Discharge high voltage capacitor. 4. R-4S1FH
TROUBLESHOOTING GUIDE
Never touch any part in the circuit with...
Service Manual - Page 16
...troubleshooting by a screw driver through the lower latch hole on the front plate of the oven cavity with only a voltmeter and ohmmeter. R-4S1FH...circuits including semiconductors such as follows. If improper operation is installed. 8. Key Unit. c) When touching the pads, sometimes... replacement is described according to the primary of the monitor switch is pushed in this service manual...
Service Manual - Page 21
...The
16.7 msec. The signals holds "L" level during
OFF
H : GND
microwave cooking and "H" level while not cooking. output
ON
OFF 8 sec. ... either G11 line on key matrix is applied to set up its cooking constant.
7
P63
OUT Terminal not...model.
B
H : GND L : -5V H : GND L : -5V
15
P53
OUT Oven lamp, fan motor and turntable motor driving signal
To turn on
key matrix.
R-4S1FH...
Service Manual - Page 24
... these parts, the following precautions should be separated. For those models, check and repair all connections are used. (2) Servicing the touch...part of the power
transformer. 4) Re-install the outer case (cabinet). 5) Re-connect the power supply cord after the outer case
is required.
22 Servicing of Touch Control Panel We describe the procedures to the primary of the microwave...
Service Manual - Page 25
... 3. To prevent an error function, connect the wire leads correctly, referring to hear a "click' as follows. 1.
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
R-4S1FH
WARNING AGAINST HIGH VOLTAGE:
Microwave ovens contain circuitry capable of arcing etc.). Contact with the other metallic plate.
4) Movable parts (to microwave energy, please follow the instructions below before...
Service Manual - Page 28
...frame. 5. Remove turntable and turntable support from the new membrane switch and ribbon...soft cloth soaked in alcohol. 2. No sharp edges must be oxidized. Disconnect wire ...snipped off the material in position. 3. R-4S1FH
Installation 1. Remove remaining adhesive on the control panel...Rubber connector
Graphic Sheet and Membrane Switch Replacement
TURNTABLE MOTOR REMOVAL
1. Remove the ...
Service Manual - Page 31
...service to the door;
(A) Make sure that door sensing switch and primary interlock switch are free. 16.Remove door screen from door frame 17.Now, door frame is free. After any repair to twelve (12) holes of microwave...with proper microwave radiation emission limitation standards.
Note: When carring out any service, make sure of upper and lower oven hinges. 6. C-6. 2.
Re-install choke ...
Service Manual - Page 37
... screw (Torx tamper proof screw)
R-4S1FH
Q'TY CODE
1 AQ 1 AD 1 AB 1 AX 1 AD 1 AK 1 AG
1 AF 1 AU 1 AN 1 AN 1 AA 1 AB 1 AD 1 AC
5 AA 2 AA 1 AA 8 AA 3 AA 2 AA 3 AA 2 AB
HOW TO ORDER REPLACEMENT PARTS
To have your area. Defective parts requiring return should be returned as indicated in the Service Policy.
35 NO. REF...
Service Manual - Page 44
R-4S1FH
COPYRIGHT © 2002 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in retrieval systems, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.
2002 SHARP CORP. (4M2.20E) Printed in U.S.A
42
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