Sharp R230HK Owner's manual

R-230HK
MICROWAVE OVEN
S3408R230HPK/
SERVICE MANUAL
SHARP CORPORATION This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
In the interest of user-safety the oven should be restored to its original condition and only
parts identical to those specified should be used.
WARNING TO SERVICE PERSONNEL: Microwave ovens contain circuitry capable
of producing very high voltage and current, contact with following parts may
result in a severe, possibly fatal, electrical shock. (High Voltage Capacitor, High
Voltage Power Transformer, Magnetron, High Voltage Rectifier Assembly, High
Voltage Harness etc..)
R-230HK
MODEL
TABLE OF CONTENTS Page
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO
AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY...................INSIDE FRONT COVER
BEFORE SERVICING ......................................................................................................INSIDE FRONT COVER
FOREWORD AND WARNING...............................................................................................................................1
PARTS LIST ..........................................................................................................................................................2
PACKING AND ACCESSORIES ...........................................................................................................................3
This is a supplemental Service Manual for Model R-230HK. This model is quite similar to base models R-230HW. Use
this supplemental manual together with the Base Model Service Manual (Refer No. is S2303R220HPW/) for complete
operation, service information, etc..

R-230HK
PRECAUTIONSTO 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.
(b) Make the following safety checks on all ovens to be serviced before activating the magnetron or other
microwave source, and make repairs as necessary: (1) interlock operation, (2) proper door closing, (3)
seal and sealing surfaces (arcing, wear, and other damage), (4) damage to or loosening of hinges and
latches, (5) evidence of dropping or abuse.
(c) Before turning on microwave power for any service test or inspection within the microwave generating
compartments, check the magnetron, wave guide or transmission line, and cavity 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 manual before the oven is released to the owner.
(e) A microwave leakage check to verify compliance with the Federal Performance Standard should be
performed on each oven prior to release to the owner.
BEFORE SERVICING
Before servicing an operative unit, perform a microwave emission check as per the Microwave
Measurement Procedure outlined in this service manual.
If microwave emissions level is in excess of the specified limit, contact SHARP ELECTRONICS
CORPORATION immediately @1-800-237-4277.
If the unit operates 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 Drug Administration's
Center for Devices and Radiological Health immediately.
Service personnel should inform SHARP ELECTRONICS CORPORATION of any certified unit
found with emissions in excess of 4mW/cm2. The owner of the unit should be instructed not to use
the unit until the oven has been brought into compliance.

1
R-230HK
SHARP ELECTRONICS CORPORATION
SHARP PLAZA, MAHWAH,
NEW JERSEY 07430-2135
SERVICE MANUAL
MICROWAVE OVEN
R-230HK
FOREWORD
This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service
Information for the SHARP MICROWAVE OVEN, R-230HK.
The model R-230HK is quite similar to base models R-230HW (Refer No. is S2303R220HPW/).
It is recommended that service personnel carefully study the entire text of this manual and the base model's manual so that
they will be qualified to render satisfactory customer service.
Check the interlock switches and the door seal carefully. Special attention should be given to avoid electrical shock and
microwave radiation hazard.
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 no other visible damage with the oven.
Servicing and repair work must be carried out only by trained service personnel.
DANGER
Certain initial parts are intentionally not grounded and present a risk of electrical shock only during servicing.
Service personnel - Do not contact the following parts while the appliance is energized;
High Voltage Capacitor, Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage
Harness;
If provided, Vent Hood, Fan assembly, Cooling Fan Motor.
All the parts marked “*” on parts list are used at voltages more than 250V.
Removal of the outer wrap gives access to voltage above 250V.
All the parts marked “∆” on parts list may cause undue microwave exposure, by themselves, or when they are damaged,
loosened or removed.

2
R-230HK
∆
∆
∆
∆
∆
*
*
*
*
*
∆*
∆*
∆*
*
*
*
PARTS LIST
Note: The parts marked “∆” may cause undue microwave exposure.
The parts marked “*” are used in voltage more than 250V.
REF. NO. PART NO. DESCRIPTION Q'TY CODE
ELECTRIC PARTS
1- 1 QSW-MA085WRE0 Secondary interlock switch/ Door sensing switch 2 AF
1- 1 QSW-MA137WRE0 Secondary interlock switch/ Door sensing switch (Interchangeable) 2 AH
1- 2 FFS-BA030WRKZ C/T fuse (120˚C/15A) and monitor switch assembly (AM51620C53Y1) 1AS
1- 3 FACCDA086WREZ Power supply cord 1 AN
1- 3 FACCDA081WRE0 Power supply cord (Interchangeable) 1 AP
1- 3 FACCDA082WRE0 Power supply cord (Interchangeable) 1 AV
1- 4 FH-DZA102WRKZ High voltage rectifier assy 1 AN
1- 4 FH-DZA106WRKZ High voltage rectifier assy (Interchangeable) 1 AQ
1- 5 RC-QZA307WRZZ High voltage capacitor 1 AX
1- 5 RC-QZA308WRZZ High voltage capacitor (Interchangeable) 1 AN
1- 5 RC-PZA041WRE0 High voltage capacitor (Interchangeable) 1 AS
1- 6 RMOTEA383WRE0 Fan motor 1 AV
1- 6 RMOTEA355WRE0 Fan motor (Interchangeable) 1 AU
1- 7 RV-MZA306WRZZ Magnetron 1 BL
1- 7 RV-MZA226WRE0 Magnetron (Interchangeable) 1 BE
1- 7 RV-MZA261WRE0 Magnetron (Interchangeable) 1 BF
1- 8 RLMPTA082WRZZ Oven lamp 1 AL
1- 9 RMOTDA211WRE0 Turntable motor 1 AS
1- 9 RMOTDA186WRE0 Turntable motor (Interchangeable) 1 AW
1-10 QFS-TA038WRE0 Temperature fuse 120˚C (Oven) 1 AK
1-11 RTRN-A699WRZZ Power transformer 1 BG
1-11 RTRN-A661WRZZ Power transformer (Interchangeable) 1 BF
1-11 RTRN-A659WRZZ Power transformer (Interchangeable) for production use 1 --
CABINET PARTS
2- 1 GCABUA828WRPZ Outer case cabinet 1 BD
2- 2 GLEGPA074WRE0 Foot 2 AC
2- 3 PCUSUA605WRPZ Cushion 1 AG
CONTROL PANEL PARTS
3- 1 FPNLCB753WRKZ Control panel frame with key unit 1 BA
3- 1-1 PSHEPA941WREZ Graphic sheet 1 AX
3- 1-2 QSW-KA029DRZZ Membrane switch 1 AQ
3- 2 JBTN-B237WRFZ Open button 1 AH
3- 3 MSPRCA050WRE0 Open button spring 1 AB
3- 4 DPWBFC240WRUZ Control unit 1 BF
3- 5 QCNC-A014WRZZ Rubber connector 1 AE
3- 6 RLCDSA105DRZZ Liquid crystal display 1 AQ
3- 7 XEPSD30P08XS0 Screw; 3mm x 8mm 3 AA
OVENPARTS
4- 1 PHOK-A122WRFZ Latch hook 1 AM
4- 2 LBNDKA038WRP0 Capacitor holder 1 AF
4- 3 NFANJA029WRE0 Fan blade 1 AK
4- 4 PDUC-A801WRWZ Fan duct 1 AR
4- 5 ************* Oven cavity (Not replaceable part) 1--
4- 6 GCOVHA425WRPZ Turntable motor cover 1 AK
4- 7 MLEVPA241WRFZ Switch lever 1 AG
4- 8 PCOVPA276WRE0 Waveguide cover 1 AM
4- 9 PCUSUA237WRP0 Cushion 2 AF
4-10 PPACGA176WREZ TTM packing 1 AC
4-11 PCUSUA278WRP0 Cushion 1 AB
4-12 PCUSGA568WREZ Cushion 1 AC
DOORPARTS
5- 1 FDORFA348WRTZ Door panel assembly 1 BC
5- 2 GWAKPA889WRFZ Door frame 1 AX
5- 3 HPNL-A796WRRZ Door screen 1 AQ
5- 4 LSTPPA205WRFZ Latch head 1 AF
5- 5 MSPRTA187WRE0 Spring 1 AC
5- 6 PSHEPA782WREZ Sealer film 1 AG
5- 7 GCOVHA424WRFZ Choke cover 1 AK
5- 8 PCUSUA622WRPZ Cushion 1 AG
MISCELLANEOUS
6- 1 NTNT-A094WRE0 Turntable 1 AN
6- 2 FROLPA101WRKZ Turntable support 1 AR

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R-230HK
REF. NO. PART NO. DESCRIPTION Q'TY CODE
6- 3 TCAUAA271WRRZ Monitor caution 1 AF
6- 4 TCAUAA268WRRZ DHHS caution label 1 AF
6- 5 TINSEA967WRRZ Instruction book 1 AM
6- 6 FW-VZB837WREZ Main wire harness 1 AR
SCREWS,NUTS AND WASHERS
7- 1 XHPSD40P08K00 screw : 4 mm x 8 mm 2 AC
7- 2 XHTSD40P08RV0 Screw : 4mm x 8mm 4 AA
7- 3 LX-CZA070WRE0 Special screw (Torx tamper pfoof screw) 2 AC
7- 4 LX-CZ0052WRE0 Special screw 2 AA
7- 5 LX-EZA042WRE0 Special screw 2 AB
7- 6 XHPSD30P06000 Screw : 3mm x 6mm 1 AA
7- 7 XHPSD40P08000 Screw : 4mm x 8mm 3 AA
7- 8 XHTSD40P12RV0 Screw : 4mm x 12mm 1 AA
7- 9 XOTSF40P08000 Screw : 4mm x 8mm 2 AA
7- 10 XOTSD40P08000 Screw : 4mm x 8mm 9 AA
7- 11 XCPSD40P06000 Screw : 4mm x 6mm 1 AA
HOW TO ORDER REPLACEMENT PARTS
To have your order filled promptly and correctly, please furnish the following information.
1. MODEL NUMBER 2. REF. NO. 3. PART NO. 4. DESCRIPTION
Order Parts from the authorized SHARP parts Distributor for your area.
Defective parts requiring return should be returned as indicated in the Service Policy.
SPAKCD944WREZ
6-1 TURNTABLE TRAY
6-5 INSTRUCTION BOOK
6-2 TURNRTABLE SUPPORT
INTO THE
OVEN CAVITY
Not replaceable items.
TRAY PAD ASSY
(CPADBA296WRKZ)
PACKING CASE
MICROWAVE
OVEN
TOP PAD ASSEMBLY
FPADBA518WRKZ
POLYETHYLENG BAG
SSAKHA014WRE0
DOOR PROTECTION SHEET
SPADPA580WRE0
FOAM SHEET
SPAKHA014WREZ BOTTOM PAD ASSEMBLY
FPADBA519WRKZ
PLASTIC SHEET
SPADPA615WREZ
PACKING AND ACCESSORIES

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R-230HK
6
45
123
6
45
123
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
OVEN AND CABINET PARTS
7-10
2-1
7-10
7-10
7-3
7-3
1-8
6-4
6-3
7-8
1-3
4-3 7-6
7-5
2-2
4-7
4-10
4-2
7-10
4-11
7-11
6-1
6-2
7-2
7-10
7-10
7-9
7-9
1-6
1-11
7-1
4-5
1-2
7-10
4-12
7-2
7-1
1-5
1-1
1-2
1-1
1-9
1-4
4-1
7-2
2-2
4-6
1-7
1-10
4-9
2-3
4-8
4-4
7-7
7-4
7-10
4-9

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R-230HK
6
45
123
6
45
123
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
CONTROL PANEL PARTS
DOOR PARTS
MISCELLANEOUS
5-2
6-6
5-5
5-3
5-4
5-6
5-7
5-1
5-8
Actual wire harness may be different than illustration.
3-2
3-1-1
3-1
3-6
3-7
3-5
3-4
3-3
3-1-2
Before attaching Control unit to Control
panel, foil side of Control unit must be
cleaned by ethyl-alcohol.

R-230HK
2003SHARP CORP. (4S0.70E) Printed in U.S.A
COPYRIGHT © 2003 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.