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R-820BC

MODEL

R-820BC

DOUBLE GRILL

CONVECTION

MICROWAVE OVEN

S2401R820BPW/

 SUPPLEMENTAL 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.

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
PICTORIAL DIAGRAM .......................................................................................................................................... 4
POWER UNIT CIRCUIT ........................................................................................................................................ 5
PARTS LIST .......................................................................................................................................................... 6
PACKING AND ACCESSORIES ........................................................................................................................... 8

This is a supplemental Service Manual for Model R-820BC. This model is quite similar to base model R-820BW. Use
this supplemental manual together with the Base Model Service Manual (Refer No. is S5812R820BPW/) for complete
operation, service information, etc..

CONVECTION

2

GRILL

Summary of Contents for Carousel R-820BC

Page 1: ...l 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 FORE...

Page 2: ...ransmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A microwave leakage check to verify compliance with the Federal Performance Standard should be performed on each oven prior to release to the owner BEFORE SERVICING Before servicing an operative unit perform a microwave emission check as per the Microwave Mea...

Page 3: ...acitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that the leads remain isolated from other components and oven chassis by using insulation tape 6 After that procedure reconnect the power supply cord When the testing is completed 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Reconnec...

Page 4: ...e oven cavity The water container shall be a low form of 600 ml 20 oz beaker with an inside diameter of approx 8 5 cm 3 1 2 in and made of an electrically nonconductive material such as glass or plastic The placing of this standard load in the oven is important not only to protect the oven but also to insure that any leakage is measured accurately 4 Set the cooking control on Full Power Cooking Mo...

Page 5: ... 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 no 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...

Page 6: ...TOR BOTTOM HEATER GRY ORG RED WHT CN B 1 3 2 CN B CN D SP1 T1 1 5 RY6 RY2 RY4 RY3 WHT CONTROL PANEL WHT WHT WHT BLK WHT WHT BLK TURNTABLE MOTOR MONITOR SWITCH GRY WHT 2 3 4 5 1 ORG RED GRY 2 1 GRN GRY CN A CN A RY5 CN D CN C CN C CN G ORG ORG ORG BRN NEUTRAL HOT EARTH RY1 BLK GRN GRY N O COM DOOR SENSING SWITCH SECONDARY INTERLOCK SWITCH RED RED BRN ORG BRN BLK ORG BLK ORG BLK FUSE HOLDER PRIMARY ...

Page 7: ...HERMISTOR N C MICRO OVEN LAMP TURNTABLE MOTOR BOTTOM HEATER TOP HEATER DOOR SWITCH FAN MOTOR CONVECTION MOTOR Q2 2SB1238 R4 27 R5 4 7k R3 510 1 2w R2 510 1 2w RY5 RY6 RY4 Q3 KRC243M C5 10µ 35v RY3 RY2 R6 3 3k SP1 D5 D1 D1 4 1N4002 T1 D2 D4 c d a b D3 4 6 1 8 VRS1 J1 C1 0 1µ 50v C3 0 1µ 50v D12 D11 RY1 D7 D10 D9 D8 C4 10µ 35v C2 470µ 50v 10G471K D6 A 1 B 2 B 1 D 3 D 1 C12 C13 C17 C 7 C11 C 8 C14 C ...

Page 8: ...BINET PARTS 2 1 GCABDA097WRW0 Back plate 1 AW 2 2 GCABUA886WRPZ Outer case cabinet 1 BE 2 3 GDAI A305WRW0 Base plate 1 AX 2 4 GLEGPA074WRE0 Leg 2 AC CONTROL PANEL PARTS 3 1 DPWBFB795WRK0 Power unit 1 BD 3 1A QCNCMA234DRE0 3 pin connector CN A 1 AC 3 1B QCNCMA275DRE0 2 pin connector CN B 1 AB 3 1C FW VZA238DRE0 9pin wire harness WH 1 WH 2 2 AK 3 1D QCNCMA410DRE0 2 pin connector CN D 1 AB C1 RC KZA0...

Page 9: ...4 31 PSKR A331WRP0 Air separate angle 1 AY 4 32 MSPRCA113WRE0 H spring 2 AC 4 33 PCUSGA420WRP0 Cushion 1 AE 4 34 NFANMA047WRP0 Convection fan 1 AX 4 35 NFANMA048WRP0 Cooling fan 1 AX 4 36 PCUSUA499WRP0 Cushion 1 AC 4 37 PDUC A707WRW0 Convection duct 1 AR 4 38 PFPF A210WRE0 Thermal insulation 1 AM 4 39 PPIPFA030WRE0 Pipe 1 AK 4 40 PSKR A339WRP0 Convection air angle 2 AX 4 41 PSKR A345WRW0 Convectio...

Page 10: ...4mm x 0 8mm 1 AA 7 17 XWHUW48 08120 Washer 4 8mm x 0 8mm 1 AA 7 18 XWSUW40 10000 Washer 4mm x 1 0mm 1 AA 7 19 LX CZA070WRE0 Special screw Torx tamper proof screw 2 AC 7 20 XCPSD40P08000 Screw 4mm x 8mm 1 AA 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 aut...

Page 11: ...13 7 10 7 10 7 2 1 6 4 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 4 6 4 6 3 1 1 1 7 1 1 4 17 4 28 1 18 4 12 4 13 6 2 4 19 4 18 4 32 4 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 14 7 18 1 17 7 8 7 6 x3 7 16 4 34 4 40 7 10 6 5 7 10 7 7 4 40 4 37 4 35 4 42 4 38 4 43 7 17 4 31 7 10 4 15 7 1 1 9 1 8 1 12 1 16 1 15 1 14 7 20 4 22 7 1 7 1 4 7 1 3 4 5 4 8 4...

Page 12: ... E F G H 2004 SHARP CORP 2S1 700E Printed in U S A DOOR PARTS CONTROL PANEL PARTS 5 8 5 3 5 6 5 4 5 5 5 1 5 9 3 3 4 3 2 5 8 5 2 6 1 6 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 ...

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