Sharp R820bk Service Manual

39
R-820BK
R-820BW
6
45
12
3
6
45
12
3 A
B
C
D
E
F
G
HA
B
C
D
E
F
G
H
Figure S-3. CPU Unit Circuit
C 4
INT
GND
VC
BUZZER:  IF NOT SPECIFIED,  1/10 ± 5%  NOTE
VA
LED
VR
FAN
MOTOR
CONVECTION
MOTOROVEN LAMP
TURNTABLE
MOTOR
TOP
HEATER
BOTTOM
HEATER
DOOR
SWITCHOVEN
THERMISTORMICRO
C 2
G12 G11 G10 G 9
G 854321
CUSTOM
HELP

POWER
LEVEL

ROAST

REHEAT

CONVEC

POPCORN

 MINUTE
PLUS

KITCHEN
TIMER

 CLOOK

STOP
CLEAR

 GRILLBAKE
09876
G 7 G 6 G 5 G 4 G 3 G 2 G 1
C 3C 5C 1C10C 9C15C 6C...

40
R-820BK
R-820BW
6
45
12
3
6
45
12
3 A
B
C
D
E
F
G
HA
B
C
D
E
F
G
H
Figure S-4. Printed Wiring Board of Power Unit
DIP
D8 
3 2 
3
12 1
1
1518
4  D6 
R4  CN - C 
CN - D 
CN - B 
CN - A D5  R5 
AC 
AC VRS1
6 FAN
CON
RY1
RY5
LOT NO.
F
RY6 
RY3
T - HRY4
B - HRY2(J1)T1 D12
D4
S 6 8
14P  D2
D7
5
MICRO
SP1
R6 R3C4C3C5C2
B BB
E E 1
E
Q3R2R1D1
D3
D11C1
ZD1 
Q2Q1
D9
D10 

41
R-820BK
R-820BW
*
*
*
*
D*D*
PARTS LIST
Note: The parts marked ÒDÓ may cause undue microwave exposure.
The parts marked Ò*Ó are used in voltage more than 250V.
REF. NO. PART NO. DESCRIPTION QTY CODE
ELECTRIC PARTS
1- 1 QSW-MA110WRE0 Secondary interlock switch / door sensing switch 2 AH
1- 1 QSW-MA131WRE0Secondary interlock switch / door sensing switch (Interchangeable)2AG
1- 2 FFS-BA021WRK0 Monitor fuse and monitor switch assembly 1 AL
1- 3 RMOTDA231WRE0 Turntable motor 1 AR
1- 3 RMOTDA188WRE0...

42
R-820BK
R-820BW
DD
DD
D
D
*
REF. NO. PART NO. DESCRIPTION QTY CODE
3- 4 LHLD-A185WRF0 LCD holder 1 AL
3- 5 PSHEPA626WRE0 LED sheet 1 AF
3- 6 TCAUAA076WRR0 User caution label 1 AB
3- 7 XEPSD30P08XS0 Screw; 3mm x 8mm 4 AA
OVEN PARTS
4- 1 ************* Oven cavity (Not a replaceable part)1--
4- 2 PHOK-A106WRF0 Latch hook  1 AL
4- 3 FDUC-A337WRK0 Air duct assembly  1 BH
4- 4 PCOVPA340WRW0 Sub back plate  1 AQ
4- 5 LANGQA478WRP0 Turntable motor angle  1 AP
4- 6 MSPRTA186WRE0 Plate spring  1 AE
4- 7...

43
R-820BK
R-820BW
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.
PACKING AND ACCESSORIES
REF. NO. PART NO. DESCRIPTION QTY CODE
6-10 LHLDWA011WRE0 Purse lock M  1 AB
6-11 TCAUAA201WRR0 DHHS caution label  1 AC
6-12...

44
R-820BK
R-820BW
6
45
12
3
6
45
12
3 A
B
C
D
E
F
G
HA
B
C
D
E
F
G
H
OVEN AND CABINET PARTS
7-9
7-9
4-4
7-9
7-19
7-19
7-5
4-1
4-30
7-10
7-10
7-11
2-16-2

7-11
1-107-15
4-25
4-33
4-29
7-10
7-12
4-32
4-19
4-18
1-11
2-2
4-23
4-26
7-4
4-3
4-397-13
4-36
4-41
7-13
7-10
7-10
7-21-64-11
6-12
4-10
7-1
2-4
2-4
1-19
7-1
4-9
7-9
7-9
7-1
7-9
2-3
1-5
1-13
6-13
1-46-4
6-3
1-1
1-7
1-1
4-17
4-28
1-18
4-12
4-13
4-19
4-184-324-16
7-4
7-9
7-1
4-6
7-1
6-7
4-2
1-2
7-3
7-10
4-24
4-21
4-14
7-147-18
1-17
7-8
7-6
x3
7-16
4-34...

45
R-820BK
R-820BW
6
45
12
3
6
45
12
3 A
B
C
D
E
F
G
HA
B
C
D
E
F
G
H
CONTROL PANEL PARTS
DOOR  PARTS
5-8
5-3
5-6
5-4
5-5
5-1
5-9
3-6
3-2
5-7 5-2
6-16-8
6-10 6-7
6-9 3-3-1
3-3-3
3-3-2 3-3
3-4
3-5
3-1
3-7
3-7
Actual wire harness may be different from illustration.
MISCELLANEOUS 

46
R-820BK
R-820BW
98 SHARP CORP. (5S2.530E) Printed in U.S.A
COPYRIGHT © 1998 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.