Sharp R-320DK User manual

R- 320DK
R-3 20DQ
R-320DW
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 con-
tain 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 Recti-
fier Assembly, High Voltage Harness etc..)
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
WARNING TO SERVICE PERSONNEL ................................................................................................................ 1
MICROWAVE MEASUREMENT PROCEDURE ................................................................................................... 2
FOREWORD AND WARNING ............................................................................................................................... 3
PRODUCT SPECIFICATIONS .............................................................................................................................. 4
GENERAL INFORMATION ................................................................................................................................... 4
OPERATION .......................................................................................................................................................... 6
TROUBLESHOOTING GUIDE ............................................................................................................................ 10
TEST PROCEDURE ............................................................................................................................................ 11
TOUCH CONTROL PANEL ................................................................................................................................. 21
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ................................................................ 27
PICTORIAL DIAGRAM ........................................................................................................................................ 33
POWER UNIT CIRCUIT ...................................................................................................................................... 34
CPU UNIT CIRCUIT ............................................................................................................................................ 35
PRINTED WIRING BOARD ................................................................................................................................. 36
PARTS LIST ........................................................................................................................................................ 37
PACKING AND ACCESSORIES ......................................................................................................................... 41
S1002R320DPW/
R-320DK
R-320DQ
R-320DW
MICROWAVE OVEN
MODELS
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.
R-320DW

37
R- 320DK
R-3 20DQ
R-320DW
*
*
∆*
*
∆
∆
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-MA147WRZZ 2nd interlock switch / door sensing switch 2 AG
1- 2 QFSHDA009WRE0 Fuse holder 1 AH
1- 3 FFS-BA021WRK0
Monitor fuse 20A and monitor switch (V-16G-2C25) assembly 1 AL
1- 4 RTHM-A078WRE0 Thermal cut-out 125 deg. 1 AL
1- 5 FACCDA085WREZ Power supply cord 1 AQ
1- 5 FACCDA083WRE0 Power supply cord (Interchangeable) 1 AQ
1- 6 FH-DZA094WRKZ High voltage rectifier assembly 1 AU
1- 7 RC-QZA234WRE0 High voltage capacitor 1 AV
1- 8 RV-MZA288WRE0 Magnetron 1 BK
1- 9 RMOTEA383WRE0 Fan motor 1 AV
1- 9 RMOTEA355WRE0 Fan motor (Interchangeable) 1 AU
1-10 QSOCLA021WRE0 Oven lamp socket 1 AH
1-11 RLMPTA068WRE0 Oven lamp 1 AG
1-11 RLMPTA030WRE0 Oven lamp (Interchangeable) 1 AE
1-12 RMOTDA229WRE0 Turntable motor 1 AQ
1-12 RMOTDA211WRE0 Turntable motor (Interchangeable) 1 AS
1-13 RTHM-A080WRE0 Thermal cut-out 145 deg. 1 AP
1-14 RTRN-A603WRZZ Power transformer 1 BM
1-15 FDTCTA197WRK0 AH sensor assebly 1 BC
CABINET PARTS
2- 1 GCABUA744WRPZ Outer case cabinet [R-320DK] 1 BC
2- 1 GCABUA690WRP0 Outer case cabinet [R-320DW] 1 AZ
2- 1 GCABUA758WRPZ Outer case cabinet [R-320DQ] 1 BF
2- 2 GDAI-A316WRW0 Bottom plate 1 AX
2- 3 GLEGPA074WRE0 Foot 2 AC
2- 4 GLEGPA077WRF0 Leg 1 AH
CONTROL PANEL PARTS
3- 1 DPWBFC024WRKZ Power unit 1 BA
3- 1A QCNCMA446DRE0 2-pin connector (CN-A) 1 AC
3- 1B FW-VZA232DRE0 12pin lead wire (CN-C) 1 AE
3- 1C FW-VZA195DRE0 Switch harness A (SH-A) 1 AD
3- 1D FW-VZA256DREZ Switch harness B (SH-B) 1 AF
C2 VCEAB31VW108M Capacitor 1000 uF 35V 1 AF
D20 RSRCDA013DRE0 Diode bridge (S1NB10) 1 AG
RY1 RRLY-A076DRE0 Relay (OMIF-S-124LM) 1 AK
RY2 RRLY-A113DRE0 Relay (DU24D1-1PR(M)) 1 AM
SP1 RALM-A014DRE0 Buzzer (PKM22EPT) 1 AG
T1 RTRNPA111DRE0 Transformer 1 AP
VRS1 RH-VZA032DRE0 Varistor (10G471K) 1 AE
3- 2 DPWBFC023WRKZ CPU unit 1 BE
3- 3 FPNLCB484WRKZ Control panel frame with key unit [R-320DK] 1 BC
3- 3 FPNLCB486WRKZ Control panel frame with key unit [R-320DW] 1 BD
3- 3 FPNLCB487WRKZ Control panel frame with key unit [R-320DQ] 1 BD
3- 3-1 FUNTKA980WREZ Key unit [R-320DK] 1 AW
3- 3-1 FUNTKA981WREZ Key unit [R-320DW] 1 AY
3- 3-1 FUNTKA982WREZ Key unit [R-320DQ] 1 AY
3- 4 PSHEPA588WRE0 LED sheet 1 AE
3- 5 LHLD-A219WRFZ LCD holder 1 AD
3- 6 XEPSD30P08XS0 Screw; 3mm x 8mm 4 AA
OVEN PARTS
4- 1 PDUC-A724WRF0 Air separater 1 AU
4- 2 PPACGA084WRF0 TTM packing 1 AF
4- 3 PHOK-A116WRFZ Latch hook 1 AH
4- 4 LBNDKA099WRW0 Capacitor holder 1 AD
4- 5 NFANJA029WRE0 Fan blade 1 AL
4- 6 PDUC-A728WRW0 Fan duct 1 AT
4- 7 ************* Oven cavity (Not a replaceable part) 1 --
4- 8 LANGFA196WRWZ Chassis support 1 AX
4- 9 LANG-A067WRPZ Magnetron duct 1 AG
4-10 LANG-A063WRPZ Air guide 1 AH
4-11 LANG-A064WRPZ Barrier 1 AK
4-12 NCPL-A053WRFZ Coupling 1 AE
4-13 PCUSUA511WRP0 Cushion 1 AC
4-14 PCOVPA349WRE0 Waveguide cover 1 AE

38
R-3 20DK
R-3 20DQ
R-320DW
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.
∆
∆
∆
∆
∆
*
REF. NO. PART NO. DESCRIPTION Q'TY CODE
4-15 PCUSGA339WRP0 Cushion 2 AG
4-16 PCUSGA533WRP0 Cushion 1 AD
4-17 PCUSUA512WRP0 Cushion 1 AB
4-18 PCUSGA529WRP0 Cushion 1 AC
4-19 PCUSUA527WRP0 Cushion 1 AE
4-20 PCUSUA157WRP0 Cushion 2 AC
4-21 PCUSUA212WRP0 Cushion 1 AB
4-22 PCUSUA474WRP0 Cushion 2 AC
4-23 PCUSUA376WRP0 Cushion 2 AF
4-24 LANG-A065WRWZ Sensor guide 1 AH
4-25 LANGTA365WRPZ Sensor mounting angle 1 AH
DOOR PARTS
5- 1 FDORFA332WRT0 Door panel 1 BD
5- 2 PSHEPA382WRE0 Sealer film 1 AH
5- 3 GWAKPA694WRRZ Door frame [R-320DK] 1 AX
5- 3 GWAKPA701WRRZ Door frame [R-320DW] 1 AV
5- 3 GWAKPA710WRRZ Door frame [R-320DQ] 1 AT
5- 4 HPNL-A731WRRZ Door screen [R-320DK] 1 AS
5- 4 HPNL-A734WRR0 Door screen [R-320DW] 1 AS
5- 4 HPNL-A739WRR0 Door screen [R-320DQ] 1 AS
5- 5 LSTPPA193WRFZ Latch head 1 AE
5- 6 MSPRTA187WRE0 Latch spring 1 AC
5- 7 XCPSD40P08000 Screw : 4mm x 8mm 4 AA
5- 8 PCUSUA461WRP0 Cushion 1 AB
5- 9 GCOVHA417WRFZ Choke cover 1 AG
MISCELLANEOUS
6- 1 FROLPA079WRK0 Turntable support 1 AQ
6- 2 NTNT-A079WRE0 Turntable tray 1 AR
6- 3 FW-VZB771WREZ Main wire harness 1 AU
6- 4 QW-QZA150WRE0 High voltage wire B 1 AF
6- 5 PZET-A012WRE0 Terminal insulator 1 AB
6- 6 TCAUAA166WRR0 DHHS caution label 1 AC
6- 7 TCAUAA254WRR0 Monitor caution label 1
6- 8 TINSEA832WRRZ Instruction book 1 AP
6- 9 TCAUAA255WRR0 Screw caution 1
SCREWS,NUTS AND WASHERS
7- 1 XHPSD40P08K00 Screw : 4mm x 8mm 9 AA
7- 2 XHPSD30P06000 Screw : 3mm x 6mm 3 AA
7- 3 XHTSD40P08RV0 Screw : 4mm x 8mm 5 AA
7- 4 XHTSD40P12RV0 Screw : 4mm x 12mm 1 AA
7- 5 XOTSD40P12RV0 Screw : 4mm x 12mm 3 AA
7- 6 XOTSD40P12000 Screw : 4mm x 12mm 17 AA
7- 7 XOTSF40P08000 Screw : 4mm x 8mm [R-310DK] 1 AA
7- 7 XOTSE40P08000 Screw : 4mm x 8mm [R-310DW] 1 AA
7- 7 XOTSE40P08000 Screw : 4mm x 8mm [R-308DW] 1 AA
7- 8 LX-CZA070WRE0 Special screw (Torx tamper proof screw) 2 AC
7- 9 LX-CZ0052WRE0 Special screw 2 AA

39
R- 320DK
R-3 20DQ
R-320DW
6
4 5
123
6
4 5
123
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
OVEN AND CABINET PARTS
7-5
7-8
7-5
7-8
1-10
6-7
2-1
4-13
4-17
1-11
1-15
4-14
4-2
1-12
7-1
7-5
1-7
4-21
1-8
7-3
7-3
1-13
7-6
4-24
4-11
4-19
7-2
4-9
1-6
1-1
7-1
2-3
2-3
7-6
7-6
7-6
7-6
1-9
4-6
7-6
4-15
4-16
4-18
7-3
4-8
7-4
4-4
4-15
4-22
7-6
7-6
1-4
4-7
7-7
7-6
7-2
4-23
4-20
7-1
7-6
4-10
6-9
4-20
4-12
6-2
6-1
4-1
7-6
1-3
1-2
1-1
4-3
2-4
4-5
2-2
7-3
7-1
1-14
1-5
6-6
7-9
4-22
4-25
4-23
7-3

40
R-3 20DK
R-3 20DQ
R-320DW
6
4 5
123
6
4 5
123
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
CONTROL PANEL PARTS
Actual wire harness may be different from illustration.
6-4
6-3
(CAPACITOR)
6-5
5-9
5-1
5-3
5-4
5-7
5-7
5-7
5-6
5-7
5-2
5-5
5-8
3-6
3-1
3-6
3-2
3-4
3-3
3-3-1
3-5
DOOR PARTS
MISCELLANEOUS

41
R- 320DK
R-3 20DQ
R-320DW
6
4 5
123
6
4 5
123
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
PACKING AND ACCESSORIES
DOOR PROTECTION SHEET
SPADPA204WRE0
TOP PAD ASSEMBLY
FPADBA416WRKZ
PLASTIC BAG
SSAKHA034WRE0
Not replaceable items. PACKING CASE
SPAKCD351WREZ [R-320DK]
SPAKCD357WREZ
[R-320DW]
SPAKCD358WREZ [R-320DQ]
BOTTOM PAD ASSEMBLY
FPADBA417WRKZ
6- 2 TURNTABLE TRAY
6- 8 INSTRUCTION BOOK
& PRINTING MATTER
6- 1 TURNTABLE SUPPORT
TRAY PACK
SPADFA451WRE0
INTO THE
OVEN CAVITY

42
R-3 20DK
R-3 20DQ
R-320DW
20' SHARP CORP. (1S2.530E) Printed in U.S.A
COPYRIGHT © 2000 BY SHARP CORPORATION
ALL RIGHTS RESERVED.
No part of this publication may be repro-
duced, stored in retrieval systems, or trans-
mitted in any form or by any means, elec-
tronic, mechanical, photocopying, record-
ing, or otherwise, without prior written per-
mission of the publisher.