Sharp R-1880LST User manual

1
R-1880LS-T/LST-T
Note: R-1880LST-T is the same as the R-1880LS-T, only the packing is
different. It is shipped on pallets for Recreational Vehicle distributors.
CONVECTION M i c r o w a v e
CONVECTION
START
MICROWAVE
Convec
Low Mix
Bake
Broil
Bake Sensor
Cook
Roast
Broil
100°F 150°F 275°F 300°F 325°F
350°F 375°F 400°F 425°F 450°F
Clock Turntable
On/Off
Custom
Help
Kitchen
Timer
Fan
Hi/Lo
Light
Hi/Lo
Stop
Clear Touch On
Slow
Cook
High Mix
Roast
Preheat Sensor
Popcorn
Minute
Plus
Power
Level
Keep
Warm
Sensor
Reheat Defrost
1 2 3 4 5
6 7 89 0
1 Cake
2 Brownies
3 Muffins
4 Pizza
1 Baked Potatoes
2 Frozen Veg.
3 Fresh Veg. - soft
4 Fresh Veg. - hard
5 Frozen Entrees
6 Hot Dogs
7 Bacon
8 Fish, Seafood
1 Poultry
2 Chicken Pieces
3 Turkey Breast
4 Pork Loin
1 Hamburgers
2 Chicken Breast
3 Steaks
4 Pork Chops
In the interest of user-safety the unit should be restored to its original condition and only parts identical to those specified should
be used.
WARNING TO SERVICE PERSONNEL:
This service manual is intended for use by persons having electrical and mechanical training and a level of
knowledge of these subjects generally considered acceptable in the appliance repair trade. Sharp Electronics
Corporation cannot be responsible, nor assume any liability, for injury or damage of any kind arising from the
use of this manual.
Microwave ovens contain circuitry capable of producing very high voltage and current. Contact with the
following parts may result in a severe, possibly fatal, electrical shock. (High Voltage Capacitor, High Voltage
Power Transformer, High Voltage Rectifier, Heat sink, Magnetron, and High Voltage Harness etc..)
S40M324R18LST
OVER THE RANGE MICROWAVE MODELS
SUPPLEMENTAL SERVICE MANUAL
This document has been published to be used for after sales service only. The contents are subject to change without notice.
SHARP ELECTRONICS CORPORATION
R-1880LS-T / R-1880LST-T
This is a supplemental Service Manual for Models R-1880LS-T and R-1880LST-T starting with Serial
Number 511112. Use this supplemental manual together with these base models for complete operation,
service information, etc.
This manual is to be used for models with the starting serial number 511112.

2
R-1880LS-T/LST-T
SHARP ELECTRONICS CORPORATION
SHARP PLAZA, MAHWAH,
NEW JERSEY 07430-2135
SUPPLEMENTAL SERVICE MANUAL
OVER THE COUNTER MICROWAVE OVEN
R-1880LS-T / R-1880LST-T
FOREWORD
This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service Informa-
tion for the SHARP OVER THE RANGE MICROWAVE OVENS.
It is recommended that service personnel carefully study the entire text of this 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 not any 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 dam-
aged, loosened or removed.
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 CORPORA-
TION 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.

3
R-1880LS-T/LST-T
PARTS LIST
REF. NO. PART NO. DESCRIPTION Q'TY CODE
ELECTRIC PARTS
1- 1 FC-QZA622WRKZ High voltage capacitor assembly 1 AX
1- 2 FPWBFB014MRK0 Noise lter 1 AV
1- 3 QFS-TA013WRE0 Temperature fuse 150°C 1 AG
1- 4 RR-WZA031WRE0 Noise resistor 1 AP
1- 5 RMOTDA252WRZZ Turntable motor 1 AN
1- 6 RMOTDA258WRZZ Stirrer motor 1 AQ
1- 7 RTHM-A136WRZZ Thermal cut-out N.O. 60°C 1 AK
1- 8 RTRN-B092MRE0 Power transformer 1 BK
1- 9 RV-MZA363WRZZ Magnetron 1 BF
1-10 QFSHDA009WRE0 Fuse holder 1 AG
1-11 QSW-MA085WRE0
Secondary interlock, third door sensing and damper switches 3 AF
1-12 FFS-BA033WRKZ Monitor and sec. interlock switch with fuse assembly 1 AN
1-13 FACCDB011MRE0 Power supply cord 1 AV
1-14 QSOCLB010MRE0 Hood lamp socket 2 AH
1-15 FH-HZA053WRE0 Thermistor 1 AR
1-16 QSOCLA021WRE0 Oven lamp socket 1 AG
1-17 FMOTEA362WRK0 Hood fan motor 1 BL
1-18 RMOTDA256WRZZ Damper motor 1 AP
1-19 RMOTEB032MRE0 Fan motor 1 AZ
1-20 RLMPTA086WRZZ Hood lamp and oven lamp 3 AL
1-21 FDTCTA217WRKZ AH sensor 1 AV
CABINET PARTS
2- 1 PFIL-B002MRE0 Grease lter 2 AM
2- 2 FDIF-B020MRK0 Hood exhaust louver 1 BD
2- 3 GDAI-A463WRWZ Base plate right 1 AQ
2- 4 GDAI-A462WRWZ Base plate left 1 AM
2- 5 FCABUA989WRKZ Outer case cabinet 1 BG
2- 6 TMAPCA801WRRZ Schematic diagram 1 AF
2- 7 FANGKA230WRKZ Hood lamp glass assembly 1 AU
2- 8 PCOVPA565WRTZ Base cover 1 BA
2- 9 FDECAB099MRK0 Left Sash assy 1 AY
2-10 LSTY-A122WRWZ Rear stay 1 AK
CONTROL PANEL PARTS
3- 1 DPWBFB146MRU0 Control unit 1 BQ
3- 2 FPNLCB519MRK0A Control panel sub. assembly 1 BH
3- 3 MSPRTA050WRE0 Open button spring 1 AA
3- 4 MSPRTB025MRE0 Ground spring 1 AE
3- 5 XHPS730P08XS0 Screw; 3mm x 10mm 6 AB
3- 6 FUNTKB466MRE0 Key unit 1 AX
3- 7 LANGQB079MRP0 Key xing angle 1 AQ

4
R-1880LS-T/LST-T
REF. NO. PART NO. DESCRIPTION Q'TY CODE
OVEN PARTS
4- 1 FFTA-B004MRK0 Exhaust damper assembly 1 AM
4- 2 FROLPB027MRK0 Turntable support assembly 1 AX
4- 3 NTNT-A114WREZ Turntable tray 1 BB
4- 4 LANGKB463WRPZ Capacitor holder 1 AF
4- 5 FCOVPA068WRYZ Stirrer cover assembly 1 AQ
4- 6 FFAN-A002WRKZ Stirrer fan assembly 1 AR
4- 7 ------------- Oven cavity (not replaceable) 1 -
4- 8 DHET-B002MRK0 Convection heater unit 1 BS
4- 9 NCPL-B007MRF0 Coupling 1 AN
4-10 PFPF-A310WREZ Heat protect rear 1 AH
4-11 PFPF-A313WREZ Heat protect bottom 1 AQ
4-12 PPACGA189WREZ Turntable motor packing 1 AG
4-13 PCUSUA662WRPZ Cushion 1 AH
4-14 PCUSUA663WRPZ Cushion 1 AH
4-15 PHOK-A130WRFZ Latch hook 1 AK
4-16 FANGTA175WRYZ Unit mounting plate 1 AY
4-17 PCUSGA786WRPZ Cushion 1 AH
4-18 PCUSUA670WRPZ Cushion 1 AF
4-19 PCUSUA669WRPZ Cushion 1 AF
4-20 PDUC-B167WRPZ Hood intake duct L 1 AK
4-21 NFANPB005MRE0 Fan blade 1 AQ
4-22 LANGTA485WRPZ Air deector 1 AH
4-23 FDUC-A506WRKZ Fan duct 1 AP
4-24 LBSHCA014WRE0 Cord bushing 1 AG
4-25 FDUC-A515WRKZ Exhaust duct 1 AP
4-26 MLEVPA244WRFZ Open lever 1 AG
4-27 PCUSGA788WRPZ Cushion 1 AF
4-28 MCAMPA187WRFZ Damper cam 1 AF
4-29 PCUSUA666WRPZ Damper cushion 1 AF
4-30 PFPF-A311WREZ Heat protect R 1 AM
4-31 PFTA-A041WRPZ Damper plate 1 AF
4-32 PREFHA091WRWZ Thermal cover R 1 AQ
4-33 LANGTA486WRPZ Air ow angle 1 AF
4-34 PREFHA092WRPZ Thermal cover bottom 1 AP
4-35 LSTPPB024MRF0 Door stopper 1 AF
4-36 PCOVPA558WRWZ Oven lamp cover 1 AG
4-37 PCOVPA559WRPZ Heat protect top sheet 1 AK
4-38 PCUSGA789WRPZ Cushion 1 AF
4-39 PDUC-B162WRFZ Hood exhaust duct 1 AZ
4-40 PDUC-B165WRPZ Top duct 1 AR
4-41 PDUC-B164WRFZ Magnetron duct 1 AH
4-42 PDUC-B166WRPZ Hood intake duct R 1 AM
4-43 PFILWA035WRE0 Oven light screen 1 AK
4-44 PFPF-A312WREZ Heat protect top 1 AR
4-45 LANGQA811WRPZ Noise lter angle 1 AF
4-46 PCUSGA792WRPZ Air deector cushion 1 AF
4-47 PCUSUA668WRPZ Cushion 1 AF
DOOR PARTS
5- 1 CDORFB417MRK0 Door assembly 1 BS
5- 2 GCOVHB031MRF0 Choke cover 1 AX
5- 3 LSTPPB025MRF0 Latch head 1 AH
5- 4 MSPRTA046WRE0 Latch spring 1 AD

5
R-1880LS-T/LST-T
REF. NO. PART NO. DESCRIPTION Q'TY CODE
MISCELLANEOUS
6- 1 CFZK-B659WRKZ Installation material assembly 1 AW
6-1-1 LBSHC0040MRE0 Grommet 1 AF
6-1-2 LX-BZ0195WRE0 Toggle screw 4 AH
6-1-3 XWHS750-16300 Washer 1 AG
6-1-4 XBRS750P60000 Screw : 5mm x 60mm 2 AK
6-1-5 XOTS740P12000 Screw : 4mm x 12mm 1 AB
6-1-6 XTSS750P35000 Screw : 5mm x 35mm 6 AD
6- 2 TINSEB235WRRZ Installation instruction 1 AR
6- 3 TINSEB241WRRZ Operation manual 1 AR
6- 4 TINSKA031WRRZ Top template 1 AK
6- 5 TINSKA032WRRZ Wall template 1 AK
6- 6 QW-QZB011MRE0 High voltage wire A 1 AF
6- 7 FW-VZC285WREZ Main harness 1 BG
6- 8 FAMI-B006MRM0 High rack 1 AU
6- 9 FAMI-B005MRM0 Low rack 1 AU
6-10 PFIL-B003MRE0 Charcoal lter 1 AX
6-11 TCAUAA304WRRZ Caution label 1 AC
6-12 TCAUAA307WRRZ DHHS service caution label 2 AD
6-13 TCAUAA290WRRZ NHW caution label 1 AF
6-14 TCAUAA366WRRZ Monitor caution label 1 AF
SCREWS,NUTS AND WASHERS
7- 1 XHPS740P08K00 Screw : 4mm x 8mm 5 AC
7- 2 XOTS840P08000 Screw : 4mm x 10mm 4 AB
7- 3 XHPS730P08000 Screw : 3mm x 8mm 4 AC
7- 4 XBTS740P08RV0 Screw : 3mm x 6mm 2 AD
7- 5 LX-CZB025MRE0 Hood louver Screws 2 AE
7- 6 XBTWW40P06000 Screw : 4mm x 6mm 2 AA
7- 7 XOTS740P08000 Screw : 4mm x 12mm 32 AB
7- 8 XHTS740P08000 Screw 4 AC
7- 9 XHTS740P08RV0 Screw 2 AG
7-10 LX-BZB011MRE0 Unit mounting screw 2 AT
7-11 XCBWW30P06000 Screw : 3mm x 6mm 5 AB
7-12 LX-CZ0052WRE0 Special screw 2 AA
7-13 XOTWW40P08000 Screw : 4mm x 8mm 11 AB

6
R-1880LS-T/LST-T
OVEN AND CABINET PARTS
6
4 5
123
6
4 5
123
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
4-16
7-7
7-7
7-3
7-1
7-1
7-7
4-44
4-40
1-21
7-3
7-77-7 4-37
4-1
1-17
4-36
4-46
4-39
7-7
7-7
7-1
2-6
4-24
1-13 2-5
4-25
1-6
1-16
2-9
1-20
2-7
2-3
1-14
2-4
1-14
4-30
4-32
6-14
1-18
4-26
1-11
1-11
4-34
4-43
7-13
4-9
4-12
6-11
4-8
1-9
1-2
4-4
4-31
4-19 4-29
4-28
4-47
2-8
1-20
4-33
1-20
1-8
1-11
7-3
4-27
7-7
2-1
2-1
7-10
7-10 4-42
1-5
7-1
7-1
1-19
7-9
4-50
4-21
4-23
1-1
4-41
4-15
7-12
1-7
7-2 7-2
4-7
1-15
1-3
7-7
7-7
7-7
6-12
7-7
7-7
7-13
2-10
7-7
7-7
7-7
7-7 7-1
7-7
4-20
4-38
7-13
7-7
7-3
1-7
4-13
4-13
4-14
4-17
4-17
4-18
4-11
4-10
1-4
7-3
1-12
1-10
1-2
4-45
7-7
6-10
6-13
4-5
4-6
4-3
4-2
7-15
4-33
7-8
7-8
4-22
7-5
2-2
7-5
7-8
7-8
4-22
4-33

7
R-1880LS-T/LST-T
6
4 5
123
6
4 5
123
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
MISCELLANEOUS
6-1
6-1-1
6-1-2
6-1-3
6-1-5
6-1-6
6-1-4
6-6
6-7
6-8 6-9
3-1
3-2
3-5
7-7
3-5
3-3
3-6
6-11
3-4
3-7
4-35
5-3
5-2
5-4
5-1

8
R-1880LS-T/LST-T
PACKING AND ACCESSORIES
TRAY HOLDER
DAMPER HOLDER
GREASE FILTER (x 2)
2-1
INSTALL MATERIAL ASSEMBLY
6-1
6-2
LOW RACK
6-9
6-3 OPERATION MANUAL
WALL TEMPLATE
INSTALLATION INSTRUCTION
6-4 TOP TEMPLATE
6-5
4-3 TURNTABLE TRAY
4-1 DAMPER ASSEMBLY
4-2 TURNTABLE
SUPPORT
ASSEMBLY
MILLER MAT
TOP PAD
DOOR PROTECTOR
BOTTOM PAD
PACKING CASE
WRAP COVER
Non-replaceable items
HIGH RACK
6-8
TAPE
6-15 CHARCOAL FILTER
COPYRIGHT © 2010 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.