Sharp R-9A52 Manual de usuario

R-m5i-j

R-SH52

SHARP SERVICE MANUAL

Sll 01 R9A52J//

CONVECTION

MICROWAVE OVEN

MODELS R-9A52

R-9H52

In interests of user-safety the oven should be restored to its original

condition and only manufacturer original spare parts must be used.

This is a supplemental Service Manual for Model R-9A52 etc.

Those models are quite similar to Base Model R-9HlO (Refer No. is S9808R9Hl OJ//).

Use this supplemental manual together with the Base Model Service Manual.

Refer to the Base Model Service Manual for complete operation, service information, etc.

TABLE OF CONTENTS

FOREWORD Page

......................................................................*................................................................................

CAUTION, MICROWAVE RADIATION 1

PRODUCT DESCRIPTION ............................*............................................*...*...............*............ 1

*..*.......*.......................................................*.............,.......,.....................................

OPERATING INSTRUCTIONS

WIRING DIAGRAM ......*...................*.................*....*..................................................,.....,.............. ;

COMPONENT .......................................................................................................................................... 5

REPLACEMENT AND ADJUSTMENT PROCEDURE

PICTORIAL DIAGRAM ........................................................ 7

........................

CONTROL PANEL ClRCUIT(R-9A52) ............................................................................................................. 9

CONTROL PANEL CIRCUIT(R-9H52) ......*......................*.......................................................................... IO

PARTS LIST ............................~.......................................................................... 11

....................................................................................................................................................

PACKING AND ACCESSORIES 12

........*................................~....................................................................*...* 18

SHARP CORPORATION

’R-9A52

R-9H52

R-SA52 4

R-SH52 1

SERVICE MANUAL

SHARP

COUNTER TOP

CONVECTION MICROWAVE OVEN

R-9A52/ R-9H52

GENERAL IMPORTANT INFORMATION

This Manual has been prepared to provide Sharp Corp. Service

engineers with Operation and Service Information.

It is recommended that service engineers carefully study the

entire text of this manual and Base Model manual, so they will

be qualified to render satisfactory customer service.

CAUTION

MICROWAVE RADIATION

Service engineers should not be exposed to the micro-

wave energy which may radiate from the magnetron or

other microwave generating devices if it is improperly

used or connected. All input and output microwave

connections, waveguides, flanges and gaskets must be

secured. Never operate the device without a microwave

energy absorbing load attached. Never look into an

open waveguide or antenna while the device is ener-

gized.

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 engineers.

All the parts marked ‘I*”

more than 250V. on parts list are used at voltages

SHARP CORPORATION

OSAKA, JAPAN

PRODUCT DESCRIPTION .I-

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k-9A52

R-9H52

PRODUCT DESCRIPTION

SPECIFICATIONS

ITEM

Power Requirements 240 Volts

50 Hertz

DESCRIPTION

Power Consumption

Single phase, 3 wire earthed

1500W (Microwave)

1600W (Convection)

Power Output

-Convection Heating element

Power Output

C:,se Dimensions

750 watts nominal of RF microwave energy (2 litre water load)

Operating frequency of 2450M Hz

1500w

Width 627mm

Height 378mm

Depth 481 mm

Cooking Cavity Dimensions Width 41 Omm

Height 245mm

Depth 41 Omm

Control Complement

Set Weight

Touch Control System

Clock( 1:OO - 12:59 )

Timer (0 - 99 min. 99sec. )

Microwave Power for Variable Cooking

Repetition Rate;

HIGH ................*.........*....*. Full power throughout the cooking time

MED HIGH ..,,.,..*..,,....................I.*....*...... approx. 70% of Full Power

MED .......................................................... approx. 50% of Full Power

MED LOW (DEFROST) .......................... approx. 30% of Full Power

LOW ............................................*............. approx. 10% of Full Power

Convection Temperature for Variable Cooking

CONVECTION .......................*...........*.. 40 to 250°C Temp. control

LOW MIX, BAKE .................... 180°C with 10% microwave power

HIGH MIX, ROAST ................ 200°C with 30% microwave power

SLOW COOK ................................ 130°C for 4 hours (no preheat)

GRILL ...................................................................... 250°C (preheat)

Variable cooking control pads,

SENSOR COOK pad (R-9H52 only),

AUTO START/CLOCK pad,

EASY DEFROST pad,

ONE TOUCH REHEAT pad (R-9H52 only),

COMPU COOK pad (R-9H52 only),

STOP/CLEAR pad,

MEMORY pad, -<

INSTANT COOK/START pad,

AUTO COOK pad (R-9A52 only),

EASY REHEAT pad (R-9A52 only)

Approx. 30.0 kg

R-9A52 1

I?-9H52 I

OPERATING INSTRUCTIONS

1. Ventilation openings 6. Oven lamps

2. Access cover for oven lamp 7. Coupling

*Place the roller stay on the

coupling in the oven and seat

the turntable on the roller stay.

11. Waveguide cover

12. Roller Stay

replacement 8. Door open button 13. Turntable

3. Hinges 9. Touch Control Panel 14. Low rack

4. Safety door latches 10. Lighted digital display 15. High rack

5. See through door

Touch Control Panel W9H52)

SENSOR COOK PAD

Touch to select sensor cook

mode

SENSOR COOK MENUS i L

COMPU COOK PAD

Touch to select Compu Cook

mode

COMPU COOK MENUS

EASY DEFROST PAD

Touch to defrost meat by en-

tering weight only

CONVECTION COOKING 1

FUNCTION PADS

Touch to cook for each func-

tion. t

AUTO START/CLOCK PAD----, 1

Touch to set clock or auto

start time.

STOP/CLEAR PAD

Touch to erase during

programming.

Touch once to stop operation

of oven during cooking; touch

twice to cancel cooking

. programme.

- SENSOR COOK

HIGH MIX_ ROAST I 8 220%

LOW MIX_ BAKE I 9 230-C

. CONVECTION

-ONE TOUCH REHEAT PAD

Touch to start automatic re-

heat cycle

-NUMBER AND TEMPERATURE

PADS

Touch to enter cooking times,

clock time, convection tem-

perature or to select the

Sensor or Compu Cook

categories.

-MEMORY PAD

Touch to enter one frequent-

ly used cooking programme.

Touch to recall the memorized

programme.

VARIABLE COOKING CON-

Touch to select microwave

power setting. If not touched,

HIGH is automatically selec-

MORE( A 1,LESS( v) PADS.

Touch to increase/decrease

the time in one minute incre-

ments during cooking or to in-

crease/decrease the time

whilst programming the One

Touch Reheat, Sensor Cook,

Compu Cook or Easy Defrost

modes.

-INSTANT COOK/START PAD

Touch once to cook for 1

minute at HIGH or increase by

1 minute multiples each time

this pad is touched during

microwave, convection, grill

or mix cooking.

R-9A52

R-9H52

Touch Control Panel lR-gA52)

MULTI COOK PAD

Touch to select Multi Cook

mode r

MULTI COOK MENUS

--I

EASY REHEAT PAD

Touch to select Easy Reheat

mode.

EASY REHEAT MENUS

EASY DEFROST PAD

Touch to defrost

tering weight only.

MEMORY PAD

Touch to enter one frequent-

ly used cooking programme.

Touch to recall the memorized

programme.

CONVECTION COOKING

FUNCTION PADS

Touch to cook for each func-

tion. I

STOP/CLEAR PAD

Touch to erase during pro- L

gramming.

Touch once to stop operation

of oven during cooking; touch

twice to cancel cooking

programme.

MULTI COOK I AUTOSTART

CLOCK

1 Roast beef

2 Roast iamb

3 Roast chicken

4 Roast dmner

5 Mlxed grill

6 Cake layers

7 Jacket potatoes

EASY REHEAT I 4 150°C

1 Dinner plate

2 Chlcken pieces

3 Casserole / Soup

4 Pies

5 Beverage 6 180°C

- CONVECTION 0 250°C

GRILL SLOW COOK

STOP

CLEAR INSTANT COOK _

START

-AUTO START/CLOCK PAD

Touch to set clock or auto

start time.

-NUMBER AND TEMPERATURE

PADS

Touch to enter cooking times,

clock time, convection tem-

perature or to select the Multi

Cook or Easy Reheat menus.

-VARIABLE COOKING CON-

TROL PADS

Touch to select microwave

power setting. If not touched,

HIGH is automatically selec-

ted.

MORE( A 1, LESS( ~1 PADS

Touch to increase/decrease

the time in one minute incre-

ments during cooking or to in-

crease/decrease the time

whilst programming the Easy

Reheat, Multi Cook or Easy

Defrost modes.

-INSTANT COOK/START PAD

Touch once to cook for 1

minute at HIGH or increase by

1 minute multiples each time

this pad is touched during

microwave, convection, grill

or mix cooking.

240V--5OHz d-4

240V--5OHz

TEMP.

FUSE

150%

OVEN

THERM0

CUT-OUT

OVEN

THERM0

CUT-OU

150’ c Note: For R-9H52

Note: For R-9H52 MONITOR RESISTOR MONITOR SWITCH

0.8/2OW

E-5

CONTROL UN 1 T

F- I

A F-2

Ii F-3

TAB I

-7

t I

0.8/2OW

1 Note

150-c /

THERMO

CUT- OUT

90’ c

LOWER

LATCH

SW1 TCH

,____.__________._. ,--_-._-___-._____.

OL i

+-p OL i

--------------____J

._______...---___-______,

OVEN LAMP :

OL ;

f-B-+

OL i

.d lHERl.40

CUT- OUT

90’ c

‘I LOWER

LATCH

G- SWITCH

* ---.._ Lz_- ___________ I

----_

UPPER

LATCH

SW1 TCH

UPPER

LATCH

SWITCH

SENSOR COOKING (R-9H52 ’ E-31

::::,R @$

E-4

E-5

DAMPER

SW1 TCH I

I CONTROL UN I T

NOTE: CONDITION

1. DOOR CLOSED

2. CLOCK APPEARS

SCHEMATIC

NOTE: CONDITION

OF OVEN

1. DOOR CLOSED

2. “SENSOR COOK”

PAD TOUCHED

3. “START” PAD

TOUCHED

HIGH COOKING

OF OVEN

1. DOOR CLOSED

2. COOKING TIME

PROGRAMMED

3. VARIABLE COOKING

CONTROL “HIGH”

4. START PAD TOUCHED

CM CONVECTION MOTOR

6-Y

STM TURNTABLE MOTOR

H.V. RECTIFIER MAQNETRON

_ POWER

’ TRANSFORMER

ASYMMETRIC

RECTIFIER

-II--- 7

I===

-L---

H.V. RECTIFIER MAGNETRON 3-J

Figure O-l. Oven Schematic-OFF Condition Figure O-2. Oven Schematic-High and Sensor Cooking Condition

A-4

240V-50Hz

OVEN

-1 fi%;;:

MONITOR RESISTOR MONITOR SWITCH

o.a/2ow

._..

(_____---____..-__.--.--~ f

OVEN LAMP :

MONITOR RESISTOR MONITOR SWITCH

o.a/2ow Q

tdnte ‘I””

-d,l

_----

DAMPER

SWITCH ’

CONTROL UN I T

Note: For R-9H52

lHERM0

CUT-CJU?

90’ c

LOWER

LATCH

SWITCH

-M

rHERM0

:u1-OUT

?O’c

LOWER

LATCH

SWITCH

I I

,__.______-________ I

OL ;

# OL i

--------------____,

UPPER

LATCH

SWITCH

SCHEMATIC SCHEMATIC

NOTE:CONDITION OF OVEN

1.DOOR CLOSED

2.MIX COOKING PAD TOUCHED

3.DESIRED TEMP. TOUCHED

4.START PAD TOUCHED

E-5

DAMPER

NOTE. CONDITION

OF OVEN

1. DOOR CLOSED

2. CONVECTION PAD

TOUCHED

3. DESIRED TEMP. PAD

TOUCHED

4 START PAD TOUCHED

CONTROL UN I T

DAMPER MOTOR

CONVECT:ON MOTOR

TURNTABLE MOTOR

CONVECTION HEATER

H.V. RECTIFIER MAGNETRON ,

H.V. RECTIFIER MAGNETRON 3-J

Figure O-3. Oven Schematic-Convection Cooking Condition Figure O-4 Oven Schematic-Automatic Mix Cooking Condition

R-9A52

R-9H52

COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE

WARNING: To avoid possible exposure to microwave

energy;

A. Before operating the oven

I. Make sure that, when unlatching the door

slowly, an accompanying “click” indicating the

actuation of the monitor switch and latch

switches is heard.

2. Check visually the door seal for arcing and

damage.

3. The door is bent or warped.

4. There is any defective parts in the interlock,

oven door or microwave generating and trans-

mission assembly.

B. Do not operate the oven before any of the follow-

ing conditions are repaired;

1. Door does not close firmly against the front of

appliance.

2. There are a broken door hinge or-support.

There is any other visible damage to the oven.

C. Do not operate the oven

1. Without the RF gasket.

2. If the door is not closed.

CAUTION: DISCONNECT OVEN FROM POWER

SUPPLY BEFORE REMOVING

OUTER CASE. DISCHARGE HIGH

VO LTAG E CAPACITOR BEFORE

TOUCHING ANY OVEN COMPO-

NENTS OR WIRING.

OUTER CASE CABINET REMOVAL

To remove the outer case and proceed as follows;

1. Disconnect oven from power supply.

2. Remove eight (8) screws from the rear and along

the side edge of the case.

3. Remove the two (2) screws (LHSTIX LR-4) from

the lower portion of the oven cabinet back side.

4. Slide the entire case back about 3 cm to free it from

retaining clip on the cavity face plate.

5. Lift the entire case from the unit.

CAUTION: DISCHARGE THE HIGH VOLTAGE

CAPACITOR BEFORE TOUCHING

ANY OVEN COMPONENTS OR

WIRING.

Note: The outer case cabinet is secured by special

(LH) screw. When securing or loosening the

screw, LHSTIX (LR-4) type screw driver

should be used. LH-SCREW(XOTSD40R12RVO)

Removal of LHSTIX screw at oven back side

LHSTIX SCREW DRIVER LkTlX SCREW

(SIZE LR-4)

LHSTIX screw driver and LHSTIX screw

‘R-9A52

R-9H52

OVEN LAMP SOCKET REMOVAL

Pull the wire leads from the oven lamp socket by

pushing the terminal hole of the oven lamp socket

with the flat type small screw driver.

Lift up the tab of the oven lamp mounting plate

holding the oven lamp socket.

Slide the oven lamp socket left-ward.

Now, the oven lamp socket is free.

CAUTION: When replacing the oven lamp socket, re-

1 place it so that the side where the black

dot is put faces left-ward.

Own lamp sodot

Oven lamp socket

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