Sharp R1871T User manual

1
R-1871-T
R-1872-T
R-1874-T
R-1875-T
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..)
S40M323R18OR4
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
R1872 pictured
R-1871-T pictured
R-1871-T / R-1872-T / R-1874-T / R-1875-T
This is a supplemental Service Manual for Models R-1871-T, R-1872-T, R-1874-T and R-1875-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
R-1874-T pictured R-1875-T pictured

2
R-1871-T
R-1872-T
R-1874-T
R-1875-T
SHARP ELECTRONICS CORPORATION
SHARP PLAZA, MAHWAH,
NEW JERSEY 07430-2135
SUPPLEMENTAL SERVICE MANUAL
OVER THE COUNTER MICROWAVE OVEN
R-1871-T / R-1872-T / R-1874-T / R-1875-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.

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R-1871-T
R-1872-T
R-1874-T
R-1875-T
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 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 RMOTDA256WRZZ Damper motor 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 FDTCTA217WRKZ AH sensor 1 AV
1-16 QSOCLA021WRE0 Oven lamp socket 1 AG
1-17 FMOTEA362WRK0 Hood fan motor 1 BL
1-18 RR-WZA031WRE0 Noise resistor 1 AP
1-19 RMOTEB032MRE0 Fan motor 1 AZ
1-20 RLMPTA086WRZZ Hood lamp and oven lamp 3 AL
CABINET PARTS
2- 1 PFIL-B002MRE0 Grease lter 2 AM
2- 2 PDIF-A043WRFZ Hood exhaust louver (R-1871-T) 1 AX
2- 2 PDIF-A046WRFZ Hood exhaust louver (R-1872-T) 1 AZ
2- 2 PDIF-B035MRF0 Hood exhaust louver (R-1874-T) 1 AY
2- 2 PDIF-A047WRFZ Hood exhaust louver (R-1875-T) 1 AV
2- 3 GDAI-A463WRWZ Base plate right 1 AQ
2- 4 GDAI-A462WRWZ Base plate left 1 AM
2- 5 FCABUA987WRKZ Outer case cabinet (R-1871-T) 1 BM
2- 5 FCABUA988WRKZ Outer case cabinet (R-1872-T) 1 BL
2- 5 FCABUA989WRKZ Outer case cabinet (R-1874-T/R-1875-T) 1 BG
2- 6 TMAPCA798WRRZ Schematic diagram (R-1871-T/R-1872-T) 1 AE
2- 6 TMAPCA802WRRZ Schematic diagram (R-1874-T) 1 AE
2- 6 TMAPCA802WRRZ Schematic diagram (R-1875-T) 1 AE
2- 7 FANGKB029MRY0 Hood lamp glass assembly (R-1871-T) 1 AQ
2- 7 FANGKB013MRY0 Hood lamp glass assembly (R-1872-T) 1 AS
2- 7 FANGKB009MRY0 Hood lamp glass assembly (R-1874-T/R-1875-T) 1 AP
2-7-1 LANGQB082MRP0 Hood lamp glass angle (R-1871-T) 1 AN
2-7-1 LANGQB049MRP0 Hood lamp glass angle (R-1872-T) 1 AN
2-7-1 LANGQB016MRP0 Hood lamp glass angle (R-1874-T/R-1875-T) 1 AM
2-7-2 PGLSPB004MRE0 Hood lamp glass 1 AQ
2- 8 PCOVPA555WRTZ Base cover (R-1871-T) 1 AZ
2- 8 PCOVPA564WRTZ Base cover (R-1872-T) 1 AZ
2- 8 PCOVPA565WRTZ Base cover (R-1874-T/R-1875-T) 1 BA
2- 9 HDECQA468WRFZ Sash left (R-1871-T) 1 AL
2- 9 HDECQA471WRFZ Sash left (R-1872-T) 1 AL
2- 9 FDECAB028MRK0 Sash left (R-1874-T) 1 AR
2- 9 HDECQA472WRFZ Sash left (R-1875-T) 1 AL
2-10 LSTY-A122WRWZ Rear stay 1 AK
CONTROL PANEL PARTS
3- 1 DPWBFB061MRU0 Control unit 1 BU
3- 2 FPNLCC062WRKZ Control panel sub. assembly (R-1871-T) 1 BC
3- 2 FPNLCC063WRKZ Control panel sub. assembly (R-1872-T) 1 BD
3- 2 FPNLCB407MRK0 Control panel sub. assembly (R-1874-T) 1 BF
3- 2 FPNLCC064WRKZ Control panel sub. assembly (R-1875-T) 1 BE
3- 2-1 MSPRTA050WRE0 Open button spring 1 AA
3- 2-2 JBTN-B632WRFZ Open button (R-1871-T) 1 AE
3- 2-2 JBTN-B634WRFZ Open button (R-1872-T) 1 AE
3- 2-2 FDECAB029MRK0 Open button (R-1874-T) 1 AT
3- 2-2 JBTN-B636WRFZ Open button (R-1875-T) 1 AG
3- 3 XEPS730P08XS0 Screw 5 AB

4
R-1871-T
R-1872-T
R-1874-T
R-1875-T
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 PCUSGA786WRPZ Cushion 1 AH
4-11 PCUSUA663WRPZ Cushion 1 AH
4-12 PPACGA189WREZ Turntable motor packing 1 AG
4-13 PCUSUA662WRPZ Cushion 2 AH
4-14 PFPF-A313WREZ Heat protect 1 AQ
4-15 PHOK-A166WRFZ Latch hook 1 AK
4-16 FANGTA175WRYZ Unit mounting plate 1 AY
4-17 PFPF-A310WREZ Heat protect 1 AH
4-18 LANGQA811WRPZ Noise lter angle 1 AF
4-19 PDUC-B171WRPZ Exhaust duct B 1 AF
4-20 PDUC-B167WRPZ Hood intake duct L 1 AK
4-21 NFANPB005MRE0 Fan blade 1 AQ
4-22 GBDYRA014WRWZ Back plate 1 AX
4-23 FDUC-A506WRKZ Fan duct 1 AP
4-24 LBSHCA014WRE0 Cord bushing 1 AG
4-25 FDUC-A503WRKZ Exhaust duct (R-1871-T/R-1872-T/R-1875-T) 1 AZ
4-25 FDUC-A509WRKZ Exhaust duct (R-1874-T) 1 AZ
4-26 MLEVPA297WRFZ Open lever 1 AH
4-27 PCUSGA788WRPZ Cushion 1 AF
4-28 MCAMPA187WRFZ Damper cam 1 AF
4-29 PCUSUA666WRPZ Damper cushion 1 AF
4-30 PFPF-A310WREZ Heat protect R 1 AH
4-31 PFTA-A041WRPZ Damper plate 1 AF
4-32 PREFHA091WRWZ Thermal cover R 1 AQ
4-33 LANGQA812WRPZ Hood lamp angle 1 AK
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 PCUSUA673WRPZ Exhaust cushion A 1 AE
4-46 PCUSGA792WRPZ Exhaust cushion B 1 AF
4-47 PCUSUA668WRPZ Cushion 1 AF
4-48 PCUSUA669WRPZ Cushion 1 AF
4-49 PCUSUA670WRPZ Cushion 1 AF
DOOR PARTS
5- 1 CDORFB286MRK0 Door assembly (R-1871-T) 1 BQ
5- 1 CDORFB314MRK0 Door assembly (R-1872-T) 1 BR
5- 1 CDORFB312MRK0 Door assembly (R-1874-T) 1 BR
5- 1 CDORFB285MRK0 Door assembly (R-1875-T) 1 BQ
5- 2 GCOVHB031MRF0 Choke cover 1 AY
5- 3 LSTPPB025MRF0 Latch head 1 AH
5- 4 MSPRTA046WRE0 Latch spring 1 AD
5- 5 XEPS740P08000 Screw 6 AC
REF. NO. PART NO. DESCRIPTION QTY CODE

5
R-1871-T
R-1872-T
R-1874-T
R-1875-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 XBRS750P60000 Screw : 5mm x 60mm 2 AK
6-1-4 XOTS740P12000 Screw : 4mm x 12mm 1 AB
6-1-5 XTSS750P35000 Screw : 5mm x 35mm 6 AD
6-1-6 XWHS750-16300 Washer 2 AG
6- 2 TINSEB235WRRZ Installation instruction 1 AR
6- 3 TINSEB236WRRZ Operation manual (R-1871-T/R-1872-T) 1 AR
6- 3 TINSEB240WRRZ Operation manual (R-1874-T/R-1875-T) 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 TCADCB020WRRZ Cook book 1 AR
6- 8 FW-VZC282WREZ Main harness (R-1871-T/R-1872-T) 1 BG
6- 8 FW-VZC284WREZ Main harness (R-1874-T/R-1875-T) 1 BH
6- 9 FAMI-B006MRM0 High rack 1 AU
6-10 FAMI-B005MRM0 Low rack 1 AU
6-11 TCAUAA304WRRZ User caution label (R-1874-T/R-1875-T) 1 AC
6-12 TCAUAA382WRRZ Caution label 1 AF
6-13 TCAUAA302WRRZ DHHS caution label (R-1871-T/R-1872-T) 1 AF
6-13 TCAUAA307WRRZ DHHS caution label (R-1874-T/R-1875-T) 1 AD
6-14 TCAUAA300WRRZ NHW caution label (R-1871-T/R-1872-T) 1 AF
6-14 TCAUAA305WRRZ NHW caution label (R-1874-T/R-1875-T) 1 AD
6-15 TCAUAA301WRRZ Monitor caution label (R-1871-T/R-1872-T) 1 AF
6-15 TCAUAA366WRRZ Monitor caution label (R-1874-T/R-1875-T) 1 AF
SCREWS,NUTS AND WASHERS
7- 1 XHPS740P08K00 Screw 5 AC
7- 2 XOTS740P08000 Screw (R-1871-T/R-1872-T) 4 AB
7- 2 XOTS840P08000 Screw (R-1874-T/R-1875-T) 4 AB
7- 3 XHPS730P08000 Screw 6 AC
7- 4 XBTS740P08RV0 Screw 2 AD
7- 5 XCTWW40P08000 Screw 1 AB
7- 6 XBTWW40P06000 Screw 2 AA
7- 7 XOTS740P08000 Screw 24 AB
7- 8 XHTS740P08000 Screw 1 AC
7- 9 XHTS740P08RV0 Screw 2 AG
7-10 LX-BZB011MRE0 Unit mounting screw 2 AT
7-11 LX-CZB024MRE0 Hood louver Screws (R-1871-T/R-1872-T) 2 AE
7-11 LX-CZB025MRE0 Hood louver Screws (R-1874-T/R-1875-T) 2 AE
7-12 XCBWW30P06000 Screw 5 AB
7-13 LX-CZ0052WRE0 Special screw 2 AA
7-14 XOTWW40P08000 Screw 19 AB

6
R-1871-T
R-1872-T
R-1874-T
R-1875-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
OVEN AND CABINET PARTS
4-16
7-7
7-7
7-3
7-1
7-1
7-7
4-44
4-40
1-15
7-3
7-147-7 4-37
4-1
1-17
4-36
4-46
4-39
7-7
7-7
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
1-4
4-26
1-11
1-11
4-34
4-43
7-14
4-9
4-12
6-12
4-8
1-9
4-4
4-31
4-48 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
4-10
4-21
4-23
1-1
4-41
4-15
7-13
1-7
4-5
4-6
2-2
4-3
4-2
7-14
7-8
2-7-2
2-7-1
7-2
4-7
1-3
4-22
7-14
7-7
7-7
6-13
7-7
7-7
7-14
2-10
7-7
7-7
7-7
7-7 7-1
7-7
4-20
4-38
7-5
7-7
7-3
1-7
4-13
4-13
4-11
4-10
4-10
4-49
4-14
4-17
1-18
7-3
1-12
1-10
1-2
4-18
7-1
7-11
7-11
4-19
4-45

7
R-1871-T
R-1872-T
R-1874-T
R-1875-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
RIGHT PANEL PARTS
MISCELLANEOUS
DOOR PARTS
6-6
6-8
6-9 6-10
6-1
6-1-1
6-1-2
6-1-3
6-1-5
6-1-6
6-1-4
4-35
5-3
5-2
5-1
5-5
5-4
3-2
3-3
7-7
3-3
3-1
3-2-1
3-2-2
6-15

8
R-1871-T
R-1872-T
R-1874-T
R-1875-T
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 permis-
sion of the publisher.
PACKING AND ACCESSORIES
TRAY HOLDER
DAMPER HOLDER
GREASE FILTER (x 2)
2-1
INSTALL MATERIAL ASSEMBLY
6-1
COOK BOOK
6-7
6-2
LOW RACK
6-10
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
6-9
TAPE