Sharp R21lcf Service Manual

							
R21LCF
12 – 2
[2] Control Panel Circuit (Figure S-2)
Figure S-2. Control Panel Circuit
AC
DOOR GND
(J1)
a
b c
d
D4 ICP1
C2
C3
+
+
C5
SP1
R41
3.3K R42
1.5K
R40
4.7K
ZD1
ZD2
ZD3
HZ11A3 X 3
R1 R2
1W 510 1W 510
Q2
R5
1K
ZD6
HZ4C1
R6
4.7K
C6
RY2
RY1
Q22
KRC105S
D21
D20
D22D30
R30
4.7KR31
47K
C30
JF
4.7K
CF1 4MHz
Q70
Q71
Q72
Q73
D70
D7 1
D72
D73
R7 0
R71 R72 R73 R74
430 330 240 150 100
J2J3 2W 100
1N4005E X 4
0.1u/50V
1000u/35V
220u/16V
0.1u/50V 4.7K27K
0.1u/50V C31 C7 R9
R10 D10
D11
D1 D2 D3
C1
R 12
2.2u/160VA
C
R11
4.7K
I- 1
10u/35V Q20 Q21
KRA101S
LD19 LD18 LD17 LD 4 LD16
(
.)
(
.)
(
.)
(.)(
.)
(
.)
(.)
LD6
LD8 C21
C20
0.1u/50V
Q1
KTC3198
1W 1K R3
ZD4
ZD5
HZ6C3 X 2
R22
4.7K
D74
D7 5
D76
D7 7 D78
D79
D80
D81 D82
D83
D84
D85 14 VDD
D3
1 D4
2
N.F
15
D5
3 6P20 7P21
9RESET10CNVSS11XOUT12 XIN 13 VSS8P22
D6
4 D7
5
INTO16
25
26
27
28
29
30
31
32
D2 D1
D0
P13 P12 P11
P10
P03
P02
24
P01
23
P00
22
19
AIN1
18 AIN0
17 INT1 AIN3
21
AIN2
20 4.7K 4.7K
4.7K VRS1
10G471K
R7
27K
J5 J7
6.2K
J4
J6
C4
0.1u/50V
R20
R21
4.7K
LD20
(15M)
LD5
(2M) LD3
(1M) LD
2
(40 S) LD1
(2 0S)
LD15
(10M) LD14
(9M) LD13
(8M) LD12
(7M) LD11
(6M)
LD7
(3M)
LD9
(4M)
LD10
(5M) R50
10K
SW1 A
B
C
R60R61
R62
R63
4.7K
4.7K100K 100KC60 C61
14
4
5
6
7
8
91 0 11
12
13
3
2
1
CN-A
1
3
5AC
IF NOT SPECIFIED 1/10W J(±5%)
IF NOT SPECIFIED 0.01uF 50V
IF NOT SPECIFIED 1SS133 or 1SS270A
1
2
3
AC
60Hz/120V
OL,TTM,FM MICRO
KRC101S
KTA1504
Q40
KRC101S
R8
27K
1/2W 100K
LD1 -- LD20 LTL-1CHE-011A x 20
Q70
 Q73:KRA101S 
						

							
R21LCF
12 – 3
[3] Printed Wiring Board (Figure S-3)
                                                                                                           Figure S-3. Printed Wiring Board
JP38
JP39JP30
JP36
D71 D76 D78
D74
D70
D80
D72 D81D77
D73
JP34
JP31 JP23
JP22JP21
JP5
R11RY2RY1
IC P 1
JP4
JP6
JP10
JP11 JP12
12 JP2
C21
JP3
CNC
Q1
EBJP14
JP20
JP18
JP9
JP19
JP7
ZD1
ZD5
ZD4 ZD2
ZD3
D10 D11
D20 D21
JP17
JP13
JP8
JP1
R3 SP1
CF1 JP16
JP15
JP32
JP25
1
2
3
4
56
8
9
10 11
12
13
14 7
JP35
JP37
LD8
LD9
LD10
LD11
LD12
LD13
LD14
LD15
LD16LD17LD18LD19LD20
LD1
LD2
LD3
LD4LD5LD6LD7
SW1
JP29
JP24 JP27
JP28JP33
JP26D84 D83 D75
D79
D82
D85 BC
A
ZD6
R2 C5
C3
R1
C1 D1D3
D4 D2
J1 D22
CNA
VR S 1
SW2
D30WHA
WHA
R12
21
2 1
1
5
8
9
1
3 2
24
17 1
6 
						

							
PARTS LIST
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
R21LCF
LIGHT DUTY COMMERCIAL
MICROWAVE OVEN
MODELR-21LCF
HOW TO ORDER REPLACEMENT PARTS
To have your order filled promptly and correctly, please
furnish the followi ng information.
1. MODEL NUMBER
2. REF. NO.
3. PART NO.
4. DESCRIPTION
Parts marked * may cause undue microwave exposure.
Parts marked   are used in  voltage more than 250V. 
PartsGuide
[1] OVEN PARTS [2] DOOR AND CONTROL PANEL 
PARTS
„ INDEX
CONTENTS
INSTRUCTION BOOK
TOP PAD ASSEMBLY
(FPADBA385WRK0)
BOTTOM PAD ASSEMBLY (FPADBA386WRK0)
WRAP COVER(SSAKHA034WRE0)
DOOR PROTECTION SHEET(SPADPA204WRE0)
PACKING CASE
SPAKCE433WREZNot Replaceable Items.
TRAY HOLDER (SPADFA435WRE0)
Into the
Ov en Ca vity
6-7 
						

							
R21LCF
 2
[1] OVEN PARTS
7-3
7-3
7-14
1-13
6-41-1
7-7
4-151-8
7-7
4-33
7-4
7-7
7-1
7-4
1-111-15
4-3
4-4
4-5
1-3
1-5
7-5
4-35
7-11
7-12
7-12
2-5
4-7
1-1
4-6
4-6
7-7
4-30
4-24
4-242-4
4-10
6-1
2-1
4-14
4-20
7-1
4-8
2-3
7-8
7-12
4-11
1-14
1-2
4-29
4-204-22
4-34
7-3
4-25
7-3
7-1
1-4
6-3
6-6
1-12
1-44-24
4-36
7-1
7-9
7-8
7-2
1-7
7-7
1-6
2-4
4-17
4-39
2-2
4-13
4-12
4-31
7-11
7-12
7-10
4-264-26
4-2
4-19
4-23 4-40
4-21
4-214-21
4-1
7-6
7-13
7-137-13
4-9
4-32
4-18
4-16
1-101-9
4-28
6-5
x2
6-2
4-27
4-20
4-20
4-37
4-38 
						

							
R21LCF
3
NO. PARTS CODEPRICE 
RANK NEW 
MARK PA R T  
RANK DESCRIPTION
[1] OVEN PARTS
ELECTRIC PARTS
1-1FFS-BA033WRKZ -- Monitor fuse20A and monitor switch (V-5220Q)
1-2 QSW-MA085WRE0 AF Door sensing switch
1-3 QSW-MA135WRE0 AH Secondary interlock switch
1-4 FACCDA116WREZ AV Power supply cord
!1-5FH-DZA119WRKZ AU High voltage rectifier assembly!1-6RC-QZA235WRE0 AU High voltage capacitor!1-6RC-QZA336WRZZ -- High voltage capacitor for production use (Interchangeable)
1-7 RMOTEA376WRE0 AU Fan motor
1-8 FPWBFA389WRKZ AW Noise filter
1-8 FPWBFA417WRKZ AY Noise filter (Interchangeable)
1-9 QSOCLA021WRE0 AG Oven lamp socket
1-10 RLMPTA086WRZZ AL Oven lamp
1-11 RMOTDA233WRE0 AQ Antenna motor
1-12 RTHM-A138WRZZ AH Thermal cut-out 145 deg. (MAG)
1-12 RTHM-A080WRE0 AP Thermal cut-out 145 deg. (MAG) (Interchangeable)
1-12 RTHM-A120WRE0 AH Thermal cut-out 145 deg. (MAG) (Interchangeable)
1-13 RTHM-A137WRZZ AH Thermal cut-out 125 deg. (OVEN)
1-13 RTHM-A096WRE0 AK Thermal cut-out 125 deg. (OVEN) (Interchangeable)
1-13 RTHM-A123WRZZ AK Thermal cut-out 123 deg. (OVEN) (Interchangeable)
!1-14RTRN-A751WRZZ BP Power transformer!*1-15
RV-MZA347WRZZ BH Magnetron
CABINET PARTS 2-1GCABUA674WRP0 AX Outer case cabinet
2-2 GDAI-A311WRW0 AS Base plate
2-3 GCOVHA406WRW0 AQ Base plate cover
2-4 GLEGPA074WRE0 AC Foot
2-5 GLEGPA076WRF0 AF Leg
OVENPARTS 4-1FGLSPA062WRE0 BL Ceramic shelf
* 4-2************* -- Oven cavity (Not a replaceable part)
4-3 MLEVPA227WRF0 AF Latch switch lever A
4-4 MLEVPA228WRF0 AF Latch switch lever B
4-5 MLEVPA229WRF0 AF Latch switch lever C
4-6 MSPRCA108WRE0 AC Latch lever spring
4-7 MSPRTA191WRE0 AC Switch lever B spring
* 4-8PHOK-A160WRFZ AN Latch hook
4-9 FDUC-A341WRY0 BL Steam duct sub assembly
4-10 PSKR-A351WRP0 AY Steam guide
4-11 LBNDKA136WRP0 AQ HV capacitor holder
4-12 NFANJA029WRE0 AK Fan blade
4-13 PDUC-A888WRFZ AM Fan duct
4-14 FPLT-A007WRY0 BB Stirrer antenna assembly
4-15 PCUSGA504WRP0 AB Insertion cushion
4-16 PSKR-A348WRW0 AN Insertion plate A
4-17 GCOVHA509WREZ AG VCP cap
4-18 LANGFA199WRWZ AH Chassis support
4-19 NSFTPA035WRFZ AQ Antenna motor shaft
4-20 PCLICA032WRE0 AD Hand clip 4
4-21 PCLICA033WRE0 AD Hand clip 5
4-22 PCOVPA344WRF0 AF Side splash cover
4-23 PCOVPA345WRF0 AF Back splash cover
4-24 PCUSGA249WRP0 AA Cushion
4-25 PCUSUA511WRP0 AC Cushion
4-26 PCUSUA194WRP0 AC Cushion
4-27PCUSUA514WRP0 AB Cushion
4-28 PDUC-A966WRFZ AT Air intake duct
4-29 PFILWA060WRP0 AD Lamp filter
4-30 PSHEPA644WRE0 AD Insertion sheet
4-31 PSKR-A347WRW0 AL Insertion plate B
4-32 PSKR-A349WRP0 AF Steam duct barrier
4-33 PSKR-A359WRW0 AM Air guide
4-34 PSPA-A112WRE0 AC Mica washer
4-35 PCUSGA378WRP0 AL Cushion
4-36 PCUSUA507WRP0 AC Cushion
4-37 PCUSUA517WRP0 AE Cushion
4-38 PSHEPA674WRE0 AL Cover
4-39 PCUSUA518WRP0 AC Cushion
4-40 PSHEPA673WRE0 AD S/Film
MISCELLANEOUS
6-1TMAPCA779WRRZ AH Schematic diagram
6-2 TCAUAA249WRR0 AE Caution label
6-3 TCAUAA250WRR0 AF DHHS caution label
6-4 TCAUAA295WRRZ AH Monitor caution
6-5 TCAUAA243WRR0 AC Earth caution
6-6 TCAUAA245WRR0 AC Cover caution
SCREWS, NUTS AND WASHERS 7-1XHPS740P08K00 AB Screw : 4mm x 8mm
7-2 XEPS740P25000 AB Screw : 4mm x 25mm
7-3 LX-CZA038WRE0 AA Special screw
7-4 LX-CZ0052WRE0 AA Special screw
7-5 LX-EZA042WRE0 AB Special screw
7-6 XBPWW40P04000 AB Screw : 4mm x 4mm 
						

							
R21LCF
4
NO. PARTS CODE PRICE RANKNEW 
MARK PART 
RANK DESCRIPTION
7-7
XHPS740P08000 AB Screw : 4mm x 8mm
7-8 XHTS740P08000 AC Screw : 4mm x 8mm
7-9 XHPS730P06000 AB Screw : 3mm x 6mm
7-10 XHTS740P08RV0 AG Screw : 4mm x 8mm
7-11 XOTS740P12000 AA Screw : 4mm x 12mm
7-12 XOTS740P08000 AA Screw : 4mm x 8mm
7-13 XOTWW40P10000 AA Screw : 4mm x 10mm
7-14 XOTS840P08000 AB Screw : 4mm x 8mm
[1] OVEN PARTS 
						

							
R21LCF
5
[2] DOOR AND CONTROL PANEL PARTS
3-2-2
3-3
3-2-1
3-2
3-1
3-6
3-5
3-5
3-4
Actual wire harness may be different from illustration.
5-1-6
5-2
5-4
5-1-4-5
6-8
6-7
5-1-15
5-1-7
5-1-8
5-1-8
5-1-9
5-1-13
5-1-17
5-1-11
5-1-3
5-1-4-15-1-1
5-1-4-5
5-1-125-1-12
5-1-14
5-1-18
5-1-4
5-1-17
5-1-2
5-1-16
5-1-16
5-1-16
5-1-16
x4x2
6-9
5-3
5-1
5-1-5 5-1-10
5-1-4-3
5-1-4-4 5-1-4-2 
						

							
R21LCF
6
NO. PARTS CODEPRICE 
RANK NEW 
MARK PA R T  
RANK DESCRIPTION
[2] DOOR AND CONTROL PANEL PARTS
CONTROL PANEL PARTS
3-1DPWB-A416DRKZ BG Control unit
3-2 FPNLCB911WRKZ BB Panel sub assembly
3-2-1 HPNLTA200WREZ AN Timer sheet
3-2-2 GCOVAA260WRP0 BA C/P case
3-3 TCAUAA076WRR0 AB User caution label
3-4 JKNBKA606WRM0 AL Timer knob
3-5 XEPS730P08XS0 AA Screw; 3mm x 8mm
3-6 PRNGFA001WRF0 AC Ring
DOOR PARTS
* 5-1CDORFB052WRKZ BT Door assembly
* 5-1-1FDORFA322WRT0 AZ Door panel assembly
5-1-2 PSHEPA649WRE0 AB Sealer film
* 5-1-3FANGKA206WRY0 AW Latch angle assembly
* 5-1-4FCOV-A012WRKZ BQ Door case assembly
5-1-4-1 LSTPPA180WRF0 AK Glass stopper R
5-1-4-2 LSTPPA182WRF0 AN Glass stopper U
5-1-4-3 PGLSPA516WRE0 AU Front door glass
5-1-4-4 PSLDMA198WREZ BB Sealer plate
5-1-4-5 XETS740P08000 AA Screw : 4mm x 8mm
5-1-5 GWAKPA580WRM0 AQ Door handle
5-1-6 JHNDMA040WRW0 AN Handle lever
* 5-1-7LANGKA874WRW0 AR Latch lever
* 5-1-8LSTPPA181WRF0 AL Latch head
5-1-9 MSPRTA190WRE0 AD Latch spring
5-1-10 PCUSUA506WRP0 AC Cushion
5-1-11 XEPS740P06000 AA Screw : 4mm x 6mm
5-1-12 PSHEPA686WRE0 AK Panel sheet
5-1-13 PSHEPA687WRE0 AK Panel sheet
5-1-14 PCUSGA514WRP0 AK Cushion
5-1-15 PCUSUA505WRP0 AC Cushion
5-1-16 XEBS738P08000 AB Screw : 3.8mm x 8mm
5-1-17 XEPS740P25K00 AC Screw : 4mm x 25mm
5-1-18PCUSUA508WRP0 AC Cushion
* 5-2GCOVHA407WRF0 AM Choke cover
5-3 HBDGCA123WREZ AK Door badge
* 5-4PPACGA171WRE0 AK Cushion (ferrite)
MISCELLANEOUS 6-7TINSEB126WRRZ AM Instruction book
6-8 FW-VZC073WREZ AX Main wire harness
6-9 LHLDWA013WRE0 AC Purse lock LL 
						

							
R21LCF
7
„INDEX
PARTS CODE No. PRICE 
RANK NEW 
MARK PART 
RANK
[ C ]CDORFB052WRKZ 2-5-1 BT[ D ]DPWB-A416DRKZ 2-3-1 BG[ F ]FACCDA116WREZ 1-1-4 AV
FANGKA206WRY0 2-5-1-3 AW
FCOV-A012WRKZ 2-5-1-4 BQ
FDORFA322WRT0 2-5-1-1 AZ
FDUC-A341WRY0 1-4-9 BL
FFS-BA033WRKZ 1-1-1 --
FGLSPA062WRE0 1-4-1 BL
FH-DZA119WRKZ 1-1-5 AU
FPLT-A007WRY0 1-4-14 BB
FPNLCB911WRKZ 2-3-2 BB
FPWBFA389WRKZ 1-1-8 AW
FPWBFA417WRKZ 1-1-8 AY
FW-VZC073WREZ 2-6-8 AX
[ G ]GCABUA674WRP0 1-2-1 AX
GCOVAA260WRP0 2-3-2-2 BA
GCOVHA406WRW0 1-2-3 AQ
GCOVHA407WRF0 2-5-2 AM
GCOVHA509WREZ 1-4-17 AG
GDAI-A311WRW0 1-2-2 AS
GLEGPA074WRE0 1-2-4 AC
GLEGPA076WRF0 1-2-5 AF
GWAKPA580WRM0 2-5-1-5 AQ
[ H ]HBDGCA123WREZ 2-5-3 AK
HPNLTA200WREZ 2-3-2-1 AN
[ J ]JHNDMA040WRW0 2-5-1-6 AN
JKNBKA606WRM0 2-3-4 AL
[ L ]LANGFA199WRWZ 1-4-18 AH
LANGKA874WRW0 2-5-1-7 AR
LBNDKA136WRP0 1-4-11 AQ
LHLDWA013WRE0 2-6-9 AC
LSTPPA180WRF0 2-5-1-4-1 AK
LSTPPA181WRF0 2-5-1-8 AL
LSTPPA182WRF0 2-5-1-4-2 AN
LX-CZ0052WRE0 1-7-4 AA
LX-CZA038WRE0 1-7-3 AA
LX-EZA042WRE0 1-7-5 AB
[ M ]MLEVPA227WRF0 1-4-3 AF
MLEVPA228WRF0 1-4-4 AF
MLEVPA229WRF0 1-4-5 AF
MSPRCA108WRE0 1-4-6 AC
MSPRTA190WRE0 2-5-1-9 AD
MSPRTA191WRE0 1-4-7 AC
[ N ]NFANJA029WRE0 1-4-12 AK
NSFTPA035WRFZ 1-4-19 AQ
[ P ]PCLICA032WRE0 1-4-20 AD
PCLICA033WRE0 1-4-21 AD
PCOVPA344WRF0 1-4-22 AF
PCOVPA345WRF0 1-4-23 AF
PCUSGA249WRP0 1-4-24 AA
PCUSGA378WRP0 1-4-35 AL
PCUSGA504WRP0 1-4-15 AB
PCUSGA514WRP0 2-5-1-14 AK
PCUSUA194WRP0 1-4-26 AC
PCUSUA505WRP0 2-5-1-15 AC
PCUSUA506WRP0 2-5-1-10 AC
PCUSUA507WRP0 1-4-36 AC
PCUSUA508WRP0 2-5-1-18 AC
PCUSUA511WRP0 1-4-25 AC
PCUSUA514WRP0 1-4-27 AB
PCUSUA517WRP0 1-4-37 AE
PCUSUA518WRP0 1-4-39 AC
PDUC-A888WRFZ 1-4-13 AM
PDUC-A966WRFZ 1-4-28 AT
PFILWA060WRP0 1-4-29 AD
PGLSPA516WRE0 2-5-1-4-3 AU
PHOK-A160WRFZ 1-4-8 AN
PPACGA171WRE0 2-5-4 AK
PRNGFA001WRF0 2-3-6 AC
PSHEPA644WRE0 1-4-30 AD
PSHEPA649WRE0 2-5-1-2 AB
PSHEPA673WRE0 1-4-40 AD
PSHEPA674WRE0 1-4-38 AL
PSHEPA686WRE0 2-5-1-12 AK
PSHEPA687WRE0 2-5-1-13 AK
PSKR-A347WRW0 1-4-31 AL
PSKR-A348WRW0 1-4-16 AN
PSKR-A349WRP0 1-4-32 AF
PSKR-A351WRP0 1-4-10 AY
PSKR-A359WRW0 1-4-33 AM
PSLDMA198WREZ 2-5-1-4-4 BB
PSPA-A112WRE0 1-4-34 AC
[ Q ]QSOCLA021WRE0 1-1-9 AG
QSW-MA085WRE0 1-1-2 AF
QSW-MA135WRE0 1-1-3 AH
[ R ]RC-QZA235WRE0 1-1-6 AU
RC-QZA336WRZZ 1-1-6 --
RLMPTA086WRZZ 1-1-10 AL
RMOTDA233WRE0 1-1-11 AQ
RMOTEA376WRE0 1-1-7 AU
RTHM-A080WRE0 1-1-12 AP
RTHM-A096WRE0 1-1-13 AK
RTHM-A120WRE0 1-1-12 AH
RTHM-A123WRZZ 1-1-13 AK
RTHM-A137WRZZ 1-1-13 AH
RTHM-A138WRZZ 1-1-12 AH
RTRN-A751WRZZ 1-1-14 BP
RV-MZA347WRZZ 1-1-15 BH
[ T ]TCAUAA076WRR0 2-3-3 AB
TCAUAA243WRR0 1-6-5 AC
TCAUAA245WRR0 1-6-6 AC
TCAUAA249WRR0 1-6-2 AE
TCAUAA250WRR0 1-6-3 AF
TCAUAA295WRRZ 1-6-4 AH
TINSEB126WRRZ 2-6-7 AM
TMAPCA779WRRZ 1-6-1 AH
[ X ]XBPWW40P04000 1-7-6 AB
XEBS738P08000 2-5-1-16 AB
XEPS730P08XS0 2-3-5 AA
XEPS740P06000 2-5-1-11 AA
XEPS740P25000 1-7-2 AB
XEPS740P25K00 2-5-1-17 AC
XETS740P08000 2-5-1-4-5 AA
XHPS730P06000 1-7-9 AB
XHPS740P08000 1-7-7 AB
XHPS740P08K00 1-7-1 AB
XHTS740P08000 1-7-8 AC
XHTS740P08RV0 1-7-10 AG
XOTS740P08000 1-7-12 AA
XOTS740P12000 1-7-11 AA
XOTS840P08000 1-7-14 AB
XOTWW40P10000 1-7-13 AA PARTS CODE No.
PRICE 
RANK NEW 
MARK PART 
RANK 
						

							
No part of this publication may be reproduced,
stored in a retrieval system, or transmitted in
any form or by any means, electronic, mechanical,
photocopying, recording, or otherwise, without
prior written permission of the publisher.
COPYRIGHT©XXXX BYSHARP CORPORATION
ALL RIGHTS RESERVED.
COPYRIGHT © 2006 BY SHARP CORPORATION
ALL RIGHTS RESERVED.
No part of this publication may be reproduced, stored
in retrieval systems, or transmitted in anyform or by
any means, electronic, mechanical, photocopying, re-
cording, or other wise, without prior written permission
of the publisher.