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Sharp Carousel R-310AK, Supplemental Service Manual

The Sharp Carousel R-310AK, an efficient and user-friendly countertop microwave, offers a multitude of features to simplify your cooking experience. To fully explore its functionalities, be sure to download the comprehensive Operation Manual from our website, where it is available to download for free.

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35

R-310AK
R-330AK
R-330AW

PARTS LIST FOR R-310AK

REF. NO.

PART NO.

DESCRIPTION

Q'TY

CODE

ELECTRIC PARTS

1- 1

QSW-MA110WRE0

2nd interlock switch, door sensing switch and outer case switches

4

AK

1- 2

QFSHDA009WRE0

Fuse holder

1

AH

1- 3

FFS-BA012WRK0

Monitor fuse and monitor switch assembly

1

AH

1- 4

RTHM-A078WRE0

Thermal cut-out 125 deg.

1

AL

1- 5

FACCDA048WRE0

Power supply cord

1

AW

1- 6

FH-DZA075WRK0

High voltage rectifier assembly

1

AS

1- 7

RC-QZA173WRE0

High voltage capacitor

1

AX

1- 8

RV-MZA197WRE0

Magnetron

1

BN

1- 9

RMOTEA338WRE0

Fan motor

1

AV

1-10

QSOCLA021WRE0

Oven lamp socket

1

AH

1-11

RLMPTA030WRE0

Oven lamp

1

AF

1-12

RMOTDA161WRE0

Turntable motor

1

AU

1-13

RTHM-A079WRE0

Thermal cut-out 95 deg.

1

AL

1-14

RTRN-A508WRE0

Power transformer (until September 1996 production)

1

BM

1-14

RTRN-A512WRE0

Power transformer (from October 1996 production)

1

BM

CABINET PARTS

2- 1

GCABUA582WRT0

Outer case cabinet

1

AZ

2- 2

GDAI-A261WRW0

Bottom plate left

1

AP

2- 3

GDAI-A286WRW0

Bottom plate right

1

AN

2- 4

GLEGPA006WRE0

Foot

2

AB

2- 5

GLEGPA067WRE0

Leg

1

AE

CONTROL PANEL PARTS

3- 1

CPWBFA709WRK0

Control unit

1

BL

3- 1A

QCNCMA394DRE0

2-pin connector (CN-A)

1

AD

3- 1B

QCNCWA057DRE0

12-pin connector (CN-G)

1

AF

3- 1C

FW-VZA195DRE0

Switch harness A (SN-A)

1

AD

3- 1D

FW-VZA197DRE0

Switch harness B (SN-B)

1

AD

3- 1E

FW-VZA196DRE0

Lead wire harness (WH-A)

1

AD

C1

RC-KZA087DRE0

Capacitor   0.1uF 50V

1

AB

C2

VCEAB31EW477M

Capacitor   470uF 25V

1

AC

C3

VCKYD11CY103N

Capacitor  0.01uF 16V

1

AH

C4

VCEAB31CW476M

Capacitor    47uF 16V

1

AA

C5

RC-KZA087DRE0

Capacitor   0.1uF 50V

1

AB

C6

VCKYD11CY103N

Capacitor  0.01uF 16V

1

AH

C20

VCEAB31HW104M

Capacitor   0.1uF 50V

1

AM

C21

VCEAB31VW106M

Capacitor    10uF 35V

1

AA

C40

VCKYD11CY103N

Capacitor  0.01uF 16V

1

AH

C61-64

VCKYD11HB331K

Capacitor   330pF 50V

4

AA

C70

VCKYD11CY103N

Capacitor  0.01uF 16V

1

AH

C71

VCCCF61HH330J

Capacitor    33pF 50V

1

AB

D1

RSRCDA013DRE0

Diode bridge (S1NB10)

1

AG

D2-4

VHD1SS270A/-1

Diode (1SS270ATA)

3

AA

D20-22

VHD1SS270A/-1

Diode (1SS270ATA)

3

AA

D40

VHD1SS270A/-1

Diode (1SS270ATA)

1

AA

IC1

RH-IZA738DRE0

LSI

1

AP

LD1-5

VHPSLZ381A9-3

Light emitting diode

5

AC

Q1

VS2SA933S//-3

Transistor (2SA933)

1

AB

Q2

VS2SB1238//-3

Transistor (2SB1238)

1

AA

Q20

VSKRA101M//-3

Transistor (KRA101M)

1

AB

Q21

VSKRC243M//-3

Transistor (KRC243M)

1

AB

Q22

VSDTA143ES/1B

Transistor (DTA143ES)

1

AA

Q30

VSKRA101M//-3

Transistor (KRA101M)

1

AB

R1

VRS-B13AA911J

Resistor   910 ohm 1W

1

AB

R2

VRD-B12EF102J

Resistor  1.0k ohm 1/4W

1

AA

R3-5

VRD-B12EF153J

Resistor   15k ohm 1/4W

3

AA

R6

VRD-B12EF270J

Resistor    27 ohm 1/4W

1

AA

R7

VRD-B12EF472J

Resistor  4.7k ohm 1/4W

1

AA

R20

VRD-B12EF153J

Resistor   15k ohm 1/4W

1

AA

R22

VRD-B12EF560J

Resistor    56 ohm 1/4W

1

AA

R30

VRD-B12EF332J

Resistor  3.3k ohm 1/4W

1

AA

R40

VRD-B12EF153J

Resistor   15k ohm 1/4W

1

AA

R41

VRD-B12EF472J

Resistor  4.7k ohm 1/4W

1

AA

R51-60

VRD-B12EF153J

Resistor   15k ohm 1/4W

10

AA

R61-64

VRD-B12EF224J

Resistor  220k ohm 1/4W

4

AA

R71

VRN-B12EK103F

Resistor   10k ohm 1/4W

1

AA

RY1

RRLY-A021DRE0

Relay (OJSH112LM-UL)

1

AH

RY2

RRLY-A094DRE0

Relay (OMIF-S-112LM)

1

AN

SP30

RALM-A014DRE0

Buzzer (PKM22EPT-THAI)

1

AG

T1

RTRNPA073DRE0

Transformer

1

AX

Summary of Contents for Carousel R-310AK

Page 1: ...UIT 13 PRINTED WIRING BOARD OF POWER UNIT 15 PARTS LIST FOR CONTROL PANEL 16 INFORMATION FOR PARTS CHANGING 17 S1702R330APK MICROWAVE OVEN FOR OVENS FROM JANUARY 1997 PRODUCTION MODELS R 310AK R 330AK R 330AW 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 This is a supplemental Service Manual for Model...

Page 2: ...ormamicrowaveemissioncheckaspertheMicrowaveMeasurement Procedure outlined in this service manual If microwave emissions level is in excess of the specified limit contact SHARP ELECTRONICS CORPO RATION 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 Administ...

Page 3: ... light up b At a certain digit brightness is low c Only one indicator does not light d The corresponding segments of all digits do not light up or they continue to light up e Wrong figure appears f A certain group of indicators do not light up g The figure of all digits flicker 2 3 Other possible problems caused by defective control unit a Buzzer does not sound or continues to sound b Clock does n...

Page 4: ...tage is present at primary Low voltage transformer or secondary circuit defective side of low voltage transformer Check and repair 3 Only pattern at a is broken Insert jumper wire J1 and solder 4 Pattern at a and b are broken Insert the coil RCILF2003YAZZ between c and d NOTE At the time of making these repairs make a visual inspection of the varistor Check for burned damage and exam ine the trans...

Page 5: ...rcuit generates a signal which resets the LSI to the initial state when power is supplied 2 Indicator Circuit R 330AK AW This circuit consists of 25 segments and 4 common elec trodes using a Liquid Crystal Display 2 Indicator Circuit R 310AK This circuit consists of 12 segments and 3 common elec trodes using a Liquid Crystal Display 3 Power Source Circuit This circuit generates voltages necessary ...

Page 6: ...gnal to sound buzzer 2 0KHz A key touch sound B Completion sound 15 18 P53 P50 OUT Terminal not used 19 23 P47 P43 OUT Used for initial balancing of the bridge circuit absolute humidity sensor 24 INT0 IN Signal synchronized with commercial power source frequency This is basic timing for time processing of LSI 25 26 P41 P40 OUT Terminal not used 27 P77 IN Signal coming from touch key When either G1...

Page 7: ...key matrix is touched 44 P24 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to P74 P77 terminal while one of G5 line keys on key matrix is touched 45 P23 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to P74 P77 terminal while one of G4 line keys on key matrix is touched 46 P22 OUT Key strobe signal Signal applied to touch key s...

Page 8: ...nal Pin No LCD Pin No LSI signal Pin No LCD Pin No SEG 0 1 S12 SEG 6 7 S6 SEG 1 2 S11 SEG 7 8 S5 SEG 2 3 S10 SEG 8 9 S4 SEG 3 4 S9 SEG 9 10 S3 SEG 4 5 S8 SEG 10 11 S2 SEG 5 6 S7 SEG 11 12 S1 13 R60 IN Signal coming from touch key When either G12 line on key matrix is touched a corresponding signal out of R73 R81 R83 and R90 R91 will be input into R60 When no key is touched the signal is held at H ...

Page 9: ...eys on key matrix is touched 28 R82 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to R60 R63 terminal while one of G6 line keys on key matrix is touched 29 R83 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to R60 R63 terminal while one of G5 line keys on key matrix is touched 30 R90 OUT Key strobe signal Signal applied to touc...

Page 10: ...he same potential at both F 3 terminal of the absolute humidity sensor and AN0 terminal of the LSI The voltage of AN1 terminal will indicate about 2 5V This initial balancing is set up about 16 seconds after the unit is put in the Sensor Cooking mode As the sensor cooking proceeds the food is heated to generate moisture by which the resistance balance of the bridge circuit is deviated to increase ...

Page 11: ...CHING ANY OVEN COMPONENTS OR WIRING AFTER REMOVING OUTER CASE Connector Power unit CPU unit Solder These should be parallel Figure C 9 Side view of CPU unit and Power unit Handle the CPU unit carefully so that the ribbon cable does not come off Because the ribbon cable is sticked on the LCD and the printed wiring board only by heated paste Printed wiring board of CPU unit Liquid Crystal Display LC...

Page 12: ...1 2 BLK 3 WHT NOTE The grounding conductor of the power supply cord has been grounded by power supply cord fixing screw The screw must allways be kept tight NOTE The neutral WHT wire must be connected to the terminal with N mark on the power supply cord BLK BLK GRY RED WHT BLK WHT BLK BLK GRY GRN GRY GRN RED WHT GRY BLK BLK BLK WHT RY2 COM RED RED RY2 N O BLUE MARK BLK BLK OVEN THERMAL CUT OUT THE...

Page 13: ... 7 C 8 C 9 B 1 B 2 T1 AC AC SH B SH A MICRO NOTE IF NOT SPECIFIED 1 4w 5 IF NOT SPECIFIED 1SS270A TURNTABLE MOTOR OVEN LAMP FAN MOTOR 1 WH 1 R4 27 R5 4 7k R3 910 1 2w R6 3 3k SP1 VRS1 C1 0 1µ 50v C5 10µ 35v C2 1000µ 25v J1 D5 D3 D4 D2 D1 a c d b D6 RY1 D7 D8 RY2 J2 Q2 2SA933 D1 D4 11ES1 Q3 KRC243M VR VR VR LD1 LD5 LD1 LD2 LD3 LD4 LD5 A 1 N O COM 2 3 4 ...

Page 14: ...B SH A MICRO NOTE IF NOT SPECIFIED 1 4w 5 IF NOT SPECIFIED 1SS270A TURNTABLE MOTOR OVEN LAMP FAN MOTOR 1 WH 1 R4 27 R5 4 7k R2 680 1 2w R6 3 3k SP1 VRS1 C1 0 1µ 50v C3 0 1µ 50v ZD1 HZ16 1 C4 10µ 35v C5 10µ 35v R3 510 1 2w C2 1000µ 35v R1 2 4k J1 D5 D3 D4 D2 D1 a c d b D6 RY1 D7 D8 RY2 J2 Q2 2SB1238 2SB1238 Q1 D1 D4 11ES1 Q3 KRC243M VR VR VR LD1 LD5 LD1 LD2 LD3 LD4 LD5 A 1 N O COM 2 3 4 ...

Page 15: ...2 330p 50v C61 330p 50v R13 15k D10 R11 15k R71 10kF R10 1k ZD10 UDZ4 3B J11 J13 J15 4 7k x 3 Q10 2SA1037AK C10 0 01µ 25v C12 0 01µ 25v 0 01µ 25v C40 C71 IC1 IZA758DR C11 47µ 16v C13 0 1µ 50v C70 0 01µ 25v R12 15k NC GND VC INT BUZZER RY1 RY2 RY3 DOOR SWITCH NOTEH IF NOT SPECIFIED 1 10w 5 IF NOT SPECIFIED 1SS355 LIQUID CRYSTAL DISPLAY KEY UNIT ON DEF LBS QTY CHECK R57 15k R58 15k R59 15k R60 15k R...

Page 16: ...34 SEG35 SEG36 SEG37 SEG38 SEG39 VL1 AN7 AN6 AN5 AN4 AN3 AN2 AN1 AN0 P57 P56 P55 P54 P53 P52 P51 P50 P47 P46 P45 P44 P43 P41 P40 P77 P76 P75 P74 INT0 VL2 VL3 COM0 COM1 COM3 AVSS VREF VCC SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 COM2 30 1 51 80 Q20 KRA101S C11 0 1µ 50v C30 C63 330p 50v C62 330p 50v C61 330p 50v C60 330p 50v R75 100k R74 100k R73 100k R72 100k C103 LIQUID CRYSTAL DISPLAY C1...

Page 17: ...Power Unit 0 0 0 LD1 LD2 LD3 LD4 LD5 WH 1 SH A GREEN SH B R2 J4 Q2 Q1 C5 T1 6 1 1 3 3 7 4 4 RY1 RY2 HVT DU DU OMIF OMIF AC COM OL FM AC VH XH 1 3 1 3 CN A TTM 1 E E R4 D6 D5 C4 B B 1 1 1 2 2 DIP CN C 9 R5 R1 ZD1 CN B DOOR SW C3 R6 SP1 D7 Q3 J3 J2 J1 6 7 C1 D4 D2 D1 D3 C2 B E R3 D9 D8 VRS1 RY3 LOT NO F 2 3 4 5 1 2 WH 1 ...

Page 18: ...HF681J Resistor 680 ohm 1 2W R 330AW 1 AA R3 VRD B12HF911J Resistor 910 ohm 1 2W R 310AK 1 AA R3 VRD B12HF511J Resistor 510 ohm 1 2W R 330AK 1 AB R3 VRD B12HF511J Resistor 510 ohm 1 2W R 330AW 1 AB R4 VRD B12EF270J Resistor 27 ohm 1 4W 1 AA R5 VRD B12EF472J Resistor 4 7k ohm 1 4W 1 AA R6 VRD B12EF332J Resistor 3 3k ohm 1 4W 1 AA RY1 RRLY A021DRE0 Relay OJSH112LM UL R 310AK 1 AH RY1 RRLY A075DRE0 R...

Page 19: ...ntrol Panel Parts Refer to PARTS LIST on page 16 D Jan 1997 4 19 Cushion PCUSUA278WRP0 1 DELETE D Jan 1997 4 20 MG air guide PGGIDHA058WRP0 1 DELETE D Jan 1997 4 21 Cushion PPACGA041WRE0 1 PCUSGA399WRE0 1 C AG Aug 1996 5 Door assembly ADD CDORFA754WRK0 1 A BH Jan 1997 5 9 Screw XCPSD40P06000 2 XCPSD40P08000 1 C AA Jan 1997 5 10 Cushion ADD PCUSUA481WRP0 1 C AB Aug 1996 5 11 Screw ADD XCPSD40P08WN2...

Page 20: ... 4 7 5 7 5 4 1 4 3 7 5 6 1 7 1 1 9 4 6 1 8 6 6 4 17 1 4 4 7 6 7 1 5 4 12 4 14 1 12 7 1 4 22 4 13 4 2 4 15 1 14 4 21 2 3 4 5 1 3 1 6 7 1 7 6 7 6 7 6 7 6 7 6 2 5 2 4 7 6 2 4 7 6 2 2 4 11 4 9 4 10 1 13 7 1 7 3 6 9 1 11 1 10 1 1 6 4 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H OVEN AND CABINET PARTS FOR R 310AK ...

Page 21: ...A B C D E F G H CONTROL PANEL DOOR AND MISCELLANEEOUS PARTS FOR R 310AK 5 2 5 5 5 1 5 4 5 3 5 6 5 7 Actual wire harness may be different from illustration 6 4 6 5 6 3 HIGH VOLTAGE TRANSFORMER CAPACITOR 3 1 3 7 3 7 3 7 3 6 3 5 3 3 3 2 3 1F 3 3 1 3 4 5 11 5 9 5 5 8 5 10 ...

Page 22: ...997 4 17 Cushion PCUSUA235WRP0 1 DELETE D Jan 1997 4 19 Cushion PCUSUA278WRP0 1 DELETE D Jan 1997 4 20 MG air guide PGIDHA058WRP0 1 DELETE D Jan 1997 4 21 Cushion PPACGA041WRE0 1 PCUSGA399WRE0 1 C AG Jan 1997 4 23 Sensor mounting angle PCOVPA254WRP0 1 LANGTA338WRP0 1 D AP Jan 1997 4 24 Cushion ADD PCUSUA192WRP0 1 D AD Jan 1997 4 25 Cushion ADD PCUSUA329WRP0 1 D AC Jan 1997 5 Door assembly R330AK A...

Page 23: ...7 5 7 7 2 1 4 18 7 2 4 16 7 4 7 6 7 6 7 3 7 6 6 2 7 3 1 1 1 1 1 2 1 1 4 8 1 7 4 4 7 5 7 5 4 1 4 3 7 5 6 1 7 1 1 9 4 6 1 8 6 6 1 4 4 7 6 10 6 7 1 5 4 12 4 14 1 12 7 1 4 22 4 13 4 2 4 15 1 14 4 21 2 3 4 5 1 3 1 6 7 1 7 6 7 6 7 6 7 6 7 6 2 5 2 4 7 6 2 4 7 6 2 2 4 11 4 9 4 10 1 13 7 1 7 3 6 9 1 11 1 10 1 1 7 5 4 25 4 24 4 23 7 2 1 15 ...

Page 24: ... 3 A B C D E F G H A B C D E F G H CONTROL PANEL DOOR AND MISCELLANEEOUS PARTS FOR R 330AK AW 5 8 5 2 5 5 5 1 5 3 5 6 5 7 Actual wire harness may be different from illustration 6 4 6 5 6 3 HIGH VOLTAGE TRANSFORMER CAPACITOR 5 11 5 10 5 9 5 4 3 1 3 7 3 7 3 7 3 3 3 3 1 3 5 3 6 3 2 3 1F 3 4 5 ...

Page 25: ...RE 2 FOREWORD 3 PRODUCT SPECIFICATIONS 4 GENERAL INFORMATION 4 OPERATION 6 TROUBLESHOOTING GUIDE 9 TEST PROCEDURE 11 TOUCH CONTROL PANEL 17 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 24 PICTORIAL DIAGRAM 29 CONTROL PANEL CIRCUIT 31 PRINTED WIRING BOARD 33 PARTS LIST FOR R 310AK 35 PACKING AND ACCESSORIES FOR R 310AK 39 PARTS LIST FOR R 330AK AW 40 PACKING AND ACCESSORIES FOR R 330AK AW 45 S860...

Page 26: ...of hinges and latches 5 evidence of dropping or abuse c Before turning on microwave power for any service test or inspection within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission s...

Page 27: ...N 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 ServicepersonnelshouldinformSHARPELECTRONICSCORPORATIONofanycertifiedunitfound with emissions in excess of 4mW cm2 The owner of the uni...

Page 28: ...in the center of the 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 Theplacingofthisstandardloadintheovenisimportantnotonlytoprotecttheoven butalsotoinsurethatanyleakage is measured accurately 4 Set the cooking control on Full Power Cooking Mode ...

Page 29: ...e 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 SHARP ELECTRONICS CORPORATION SHARP PLAZA MAHWAH NEW JERSEY 07430 2135 PRODUCT DESCRIPTION GENERAL INFORMATION OPERATION TROUBLESHOOTING GUIDE AND TEST PROCEDU...

Page 30: ... throughout the cooking time R 330AK R 330AW R 310AK CUSTOM HELP pad INSTANT ACTION pads COMPU DEFROST pad COMPU DEFROST pad INSTANT SENSOR pad Number selection pads MINUTE PLUS pad POWER LEVEL pad COMPU COOK pad TIMER CLOCK pad SNACKS REHEAT pad STOP CLEAR pad Number selection pads START MINUTE PLUS pad POWER LEVEL pad CLOCK pad KITCHEN TIMER pad STOP CLEAR pad START TOUCH ON pad Oven Cavity Ligh...

Page 31: ... to open door 2 Door latches The oven will not operate unless the door is securely closed 3 Removable turntable support 4 Removable turntable The turntable will rotate clockwise or counterclockwise 5 Oven lamp It will light when oven is operating 6 Oven door with see through window 7 Ventilation openings Rear 8 Auto Touch control panel 9 Time display Digital display 99 minutes 99 seconds 10 Coupli...

Page 32: ...itch andprimaryinterlockrelayareactivatedwiththefollowing results The circuits to the oven lamp turntable motor the cooling fan motor and the high voltage components are de energized and the digital read out displays the time still remaining in the cook cycle when the door was opened 7 The monitor switch electrically monitors the operation of the secondary interlock switch and primary interlock re...

Page 33: ...ay RY 1 isenergized theturntable motor oven lamp and cooling fan motor are turned on but the power transformer is not turned on 3 After about 16 seconds the cook relay RY 2 is energized The power transformer is turned on microwave energy is produced and first stage is started The 16 seconds is the cooling time required to remove any vapor from the oven cavity and sensor NOTE During this first stag...

Page 34: ... Door Sensing Switch Monitor Switch Secondary Interlock Switch Switch Lever Latch Heads Door Figure D 1 Door Open Mechanism DOOR SENSING AND SECONDARY INTERLOCK SWITCHES The secondary interlock switch is mounted in the lower position of the latch hook and the door sensing switch in the primary interlock system is mounted in the upper position of the latch hook They are activated by the latch heads...

Page 35: ...ted through the exhausting air vents at the oven cavity MONITOR FUSE 1 The monitor fuse blows when the contacts COM NO of theprimaryinterlockrelayandsecondaryinterlockswitch remain closed with the oven door open and when the monitor switch closes 2 If the wire harness or electrical components are short circuited this monitor fuse blows to prevent an electric shock or fire hazard OVEN THERMAL CUT O...

Page 36: ...into a cook cycle but extremely uneven heating is pro duced in oven load food Oven does not cook properly when programmed for Cooking Power 5 mode Operates prop erlyonCookingPower10 HIGH mode Oven goes into COMPU DE FROST but food is not defrosted well AH sensor does not end during Sensor cooking condition Oven does not shut off after a cup of water is boiling by sensor cook ing Oven stops at 16 s...

Page 37: ...measure the temperature of the water with a thermometer or thermocouple temperature tester Stir the thermometer or thermocouple through the water until the temperature stabilizes Record the temperature of the water 2 Place the cup of water in the oven Operate oven at POWER 10 HIGH selecting more than 60 seconds cook time Allow the water to heat for 60 seconds measuring with a stop watch second han...

Page 38: ...CK SWITCH AND DOOR SWITCH TEST Isolate the switch and connect the ohmmeter to the common COM and normally open NO terminal of the switch The meter should indicated an open circuit with the door open and a closed circuit with the door closed If improper operation is indicated replace the secondary interlock switch PRIMARY INTERLOCK SYSTEM TEST DOOR SENSING SWITCH Isolate the switch and connect the ...

Page 39: ...el assembly is divided into Liquid crystal display rubber connector Control Unit and Key Unit and troubleshooting by replacement is described according to the symptoms indicated 1 Key Unit Note Check key unit ribbon connection before replacement The following symptoms indicate a defective key unit Replace the key unit a When touching the pads a certain pad produces no signal at all b When touching...

Page 40: ... CLOOK REHEAT CASSEROLE FRESH VEGETABLE COMPU DEFROST POWER LEVEL POPCORN BEVERAGE DINNER PLATE FRESH ROLL MUFFIN FROZEN ROLL MUFFIN START MINUTE PLUS BAKED POTATO G 8 G 7 G 6 G 5 G 4 G 3 G 2 G 1 G12 G11 G10 G 9 R 330AK AW R310AK Remove the outer case and check voltage between Pin No 3 of the 2 pin connector A and the common terminal of the relay RY2 on the control unit with an A C voltmeter The m...

Page 41: ...S1 RY1 RY2 J1 CN A 3 1 1 2 a b d c T1 J1 RY1 RY2 CN A VRS1 R 330AK AW R 310AK Checking the initial sensor cooking condition 1 The oven should be plugged in at least five minutes before sensor cooking 2 Room temperature should not exceed 95 F 35 C 3 The unit should not be installed in any area where heat and steam are generated The unit should not be installed for example next to a conventional sur...

Page 42: ...liter measuring cup 6 2 Place the container on the center of tray in the oven cavity 6 3 Close the door 6 4 Touch REHEAT pad once 6 5 The control panel is in automatic Sensor operation 6 6 The display will start to count down the remaining cooking time and the oven will turn off automatically after the water is boiling bubbling If new sensor dose not operate properly the problem is with the contro...

Page 43: ... ACL This circuit generates a signal which resets the LSI to the initial state when power is supplied 2 Indicator Circuit R 330AK AW This circuit consists of 25 segments and 4 common electrodes using a Liquid Crystal Display Indicator Circuit R 310AK This circuit consists of 12 segments and 3 common electrodes using a Liquid Crystal Display 3 Power Source Circuit This circuit generates voltages ne...

Page 44: ...t into P21 16 P22 IN Signal similar to P20 When either G10 line on key matrix is touched a corresponding signal will be input into P22 17 P23 IN Signal similar to P20 When either G9 line on key matrix is touched a corresponding signal will be input into P23 18 P24 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to P20 P23 terminal while one of G8 line keys on key ...

Page 45: ...signal Pin No LCD Pin No SEG 13 51 29 P83 66 16 SEG 14 52 28 P84 67 15 SEG 15 53 27 P85 68 14 SEG 16 54 26 P86 69 13 SEG 18 56 25 P87 70 12 SEG 19 57 24 P91 72 11 SEG 20 58 23 P92 73 10 SEG 21 59 22 P93 74 9 SEG 22 60 21 P94 75 8 SEG 23 61 20 P95 76 7 SEG 24 62 19 P96 77 6 P81 64 18 P97 78 5 P82 65 17 52 54 SEG 14 SEG16 OUT Segment data signal Signal similar to SEG 13 55 SEG17 OUT Terminal not use...

Page 46: ... up its cooking constant P HI H GND L 5V H GND L 5V P 70 ON ON OFF OFF OFF 24 sec 8 sec 16 7 msec H GND L 5V Pin No Signal I O Description LSI IZA738DR R 310AK The I O signal of the LSI IZA738DR is detailed in the following table 1 SEG 0 OUT Segment data signal Connected to LCD 12 SEG11 The relation between signals are as follows LSI signal Pin No LCD Pin No LSI signal Pin No LCD Pin No SEG 0 1 4 ...

Page 47: ... R60 R63 terminal while one of G6 line keys on key matrix is touched 29 R83 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to R60 R63 terminal while one of G5 line keys on key matrix is touched 30 R90 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to R60 R63 terminal while one of G4 line keys on key matrix is touched 31 R91 OUT ...

Page 48: ... humidity circuit to allow the LSI to control sensor cooking of the unit When the unit is set in the sensor cooking mode 16 seconds clearing cycle occurs than the detector circuit starts to function and the LSI observes the initial voltage available at its AN1 terminal With this voltage given the switches SW1 to SW5 in the LSI are turned on in such a way as to change the resistancevaluesinparallel...

Page 49: ...cted to the oven B On some models the power supply cord between the touch control panel and the oven proper is long enough that they may be separated from each other For those models therefore it is possible to check and repair the controls of the touch control panel while keeping it apart from the oven proper in this case you must short both ends of the door sensing switch on PWB of the touch con...

Page 50: ...wer transformer Re install 1 Install the terminal insulator to receptacle of filament 1 Open covers of the terminal insulator by using small flat type screw driver 2 Remove the receptacle from the terminal insulator 3 Now the terminal insulator is free Installation 1 Insert the receptacle into terminal insulator 2 Close covers of the terminal insulator as shown below Removal 1 Disconnect oven from...

Page 51: ...nd corner areas flat No sharp edge must be evident after removal of the turntable motor cover 5 Disconnect wire leads from turntable motor See Positive lock connector removal 6 Remove two 2 screws holding turntable motor to oven cavity 7 Now the turntable motor is free 8 After replacement use the one 1 screw to fit the turntable motor cover 1 Disconnect oven from power supply and remove outer case...

Page 52: ... blade to the shaft of fan motor by pushing thefanbladewithasmall lightweight ballpeenhammer or rubber mallet CAUTION Do not hit the fan blade strongly when installed because the bracket may be disfigured Make sure that the fan blade rotates smooth after installation Make sure that the axis of the shaft is not slanted 3 Catch three holes of fan duct on three tabs of the waveguide flange 4 Install ...

Page 53: ...apacitor 3 Remove the one 1 screw holding the switch holder to the oven cavity rear plate 4 Release the two 2 tabs of the switch holder from the two 2 holes of the oven cavity plate 5 Release the one 1 snap of the main wire harness from the hole of the switch holder 6 Disconnect the wire leads from the outer case switches 7 Remove the switch holder outer case switch assembly from the oven cavity r...

Page 54: ...r oven hinges 8 Re install the door stopper to the door assembly Note After any service to the door A Make sure that door sensing switch and secondary interlock switch are operating properly Refer to chapter Test Procedures B An approved microwave survey meter should be used to assure compliance with proper microwave radiation emission limitation standards After any service make sure of the follow...

Page 55: ... POWER TRANSFORMER COM NO LSI RY1 COM N O CN G RY2 A B CN A 1 2 BLK 3 WHT NOTE The grounding conductor of the power supply cord has been grounded by power supply cord fixing screw The screw must allways be kept tight NOTE The neutral WHT wire must be connected to the terminal with N mark on the power supply cord BLK WHT GRY RED WHT ORG WHT ORG BLK GRY GRN GRY GRN RED GRY GRY BLK BLK BLK WHT RY2 CO...

Page 56: ... RY1 COM N O CN G RY2 A B CN A 1 2 BLK 3 WHT NOTE The grounding conductor of the power supply cord has been grounded by power supply cord fixing screw The screw must allways be kept tight NOTE The neutral WHT wire must be connected to the terminal with N mark on the power supply cord BLK BLK GRY RED WHT ORG WHT ORG BLK GRY GRN GRY GRN RED GRY GRY BLK BLK BLK WHT RY2 COM RED RED RY2 N O BLUE MARK P...

Page 57: ...1 220k C64 C63 C62 C61 C61 C64 330pF 50v x 4 G12 G11 G10 G 9 G 8 G 7 G 6 G 5 G 4 G 3 G 2 G 1 R56 15k R55 15k R54 15k R53 15k R52 15k R51 15k 0 9 7 8 5 6 1 2 4 3 FRESH ROLL MUFFIN FROZEN ROLL MUFFIN START MINUTE PLUS POWER LEVEL DINNER PLATE POPCORN COMPU DEFROST BEVERAGE FRESH VEGETABLE REHEAT CASSEROLE BAKED POTATO IC1 IZA738DR 1 42 40 22 25 30 35 10 5 15 21 SEG 0 SEG 1 SEG 2 SEG 3 SEG 4 SEG 5 SE...

Page 58: ...P20 P21 P22 P23 P24 P25 P26 P27 P30 P31 P32 P33 P34 P35 P36 P37 RESET SEG13 SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 COM1 COM2 COM3 COM4 VCC V1 V2 V3 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 P10 P11 P12 P13 P14 P15 P16 P17 P40 P41 P42 INT AVCC 1 8 7 6 5 4 2 47k 10k 360kF 3 57kD 0 015µ 0 1µ 620kF 300kF 150kF 75kF 37 4kD 47k 50v 3 32kD 1 8kF 3 11 ...

Page 59: ... C62 C63 C64 C40 J7 J5 J3 10 15 16 3 1 E E E E B B B 4 1 3 1 2 B A Q1 Q21 Q22 T1 COM AC HVT RY1 J1 RY2 D20 D40 C1 2 4 5 LD2 F R6 R2 R1 1 2 GREEN CN B CN A AC OL TTM FM DOOR SW R3 R22 R20 D22 R41 CF1 8 9 C5 C71 C6 D2 D3 D4 LD3 LD4 WH A B E E B B E Q2 Q20 Q30 SP30 R30 R50 R51 R4 R5 14 C3 C20 D1 C2 D21 VRS1 J2 J4 J6 R7 C70 C4 C21 R71 7 11 13 12 6 ZD1 1 2 2 1 42 22 1 21 12 1 WH A CN G IC1 DIP LD5 ...

Page 60: ...RY2 T1 J1 ZD1 D22 R80 QKITPB021MRE0 CF1 R90 R67 R7 R6 R65 R5 17 CN G CN F CN A WH A DIP LD4 LD3 SATL SMCA R50 R64 R72 R71 R31 R3 R1 R70 R69 R68 R4 R73 R74 R75 B B B B B B E E E E E E Q40 Q21 R2 Q1 D20 DU24D1 OM1F D21 C4 C3 Q20 Q22 C20 Q2 SP40 R40 R63 R62 R61 R60 ZD3 ZD2 D3 D4 D1 D2 C63 C30 J7 J6 J4 J2 J8 J5 J3 J9 C10 C8 C62 C61 C5 C60 CN B SH A Q51 B E 1 18 6 19 7 8 11 14 15 12 16 13 9 1 2 BFB F L...

Page 61: ...pacitor 0 01uF 16V 1 AH C4 VCEAB31CW476M Capacitor 47uF 16V 1 AA C5 RC KZA087DRE0 Capacitor 0 1uF 50V 1 AB C6 VCKYD11CY103N Capacitor 0 01uF 16V 1 AH C20 VCEAB31HW104M Capacitor 0 1uF 50V 1 AM C21 VCEAB31VW106M Capacitor 10uF 35V 1 AA C40 VCKYD11CY103N Capacitor 0 01uF 16V 1 AH C61 64 VCKYD11HB331K Capacitor 330pF 50V 4 AA C70 VCKYD11CY103N Capacitor 0 01uF 16V 1 AH C71 VCCCF61HH330J Capacitor 33p...

Page 62: ...RP0 Cushion 1 AF 4 18 PCUSUA376WRP0 Cushion 1 AG 4 19 PCUSUA278WRP0 Cushion 1 AC 4 20 PGIDHA058WRP0 MG air guide 1 AF 4 21 PPACGA041WRE0 Cushion 1 AE 4 22 PPACGA084WRF0 TTM packing 1 AF DOOR PARTS 5 1 FDORFA303WRT0 Door panel 1 BA 5 2 PSHEPA382WRE0 Sealer film 1 AH 5 3 GWAKPA448WRR0 Door frame 1 AW 5 4 HPNL A662WRE0 Door screen 1 AK 5 5 GCOVHA370WRF0 Choke cover 1 AM 5 6 LSTPPA139WRF0 Latch head 1...

Page 63: ... SHARP parts Distributor for your area Defective parts required return should be returned as indicated in the Service Policy PACKING AND ACCESSORIES R 310AK DOOR PROTECTION SHEET SPADPA204WRE0 TOP PAD ASSEMBLY FPADBA341WRK0 PLASTIC BAG SSAKHA034WRE0 Not replaceable items PACKING CASE SPAKCC831WRE0 BOTTOM PAD ASSEMBLY FPADBA342WRK0 6 2 TURNTABLE TRAY 6 8 INSTRUCTION BOOK PRINTING MATTER 6 1 TURNTAB...

Page 64: ...18 7 2 4 16 4 20 7 4 7 6 7 6 7 3 7 3 6 2 7 3 1 1 1 1 1 2 1 1 4 8 1 7 4 4 7 5 7 5 4 1 4 3 7 5 6 1 7 1 1 9 4 6 4 19 1 8 6 6 4 17 1 4 4 7 6 7 1 5 4 12 4 14 1 12 7 1 4 22 4 13 4 2 4 15 1 14 4 21 2 3 4 5 1 3 1 6 7 1 7 6 7 6 7 6 7 6 7 6 2 5 2 4 7 6 2 4 7 6 2 2 4 11 4 9 4 10 1 13 7 1 7 3 6 9 1 11 1 10 1 1 for the oven from Oct 1996 production ...

Page 65: ... F G H A B C D E F G H 5 8 5 2 5 5 5 1 5 4 5 3 5 6 5 7 Actual wire harness may be different from illustration 6 4 6 5 6 3 HIGH VOLTAGE TRANSFORMER CAPACITOR 3 2 3 6 3 5 3 3 3 1 3 4 3 9 3 7 3 8 3 2 1 3 1 Before attaching Control unit to Control panel Foil side of Control unit must be cleaned by ethyl alcohol 5 9 ...

Page 66: ... Capacitor 0 1uF 50V 1 AB C2 VCEAB31CW108M Capacitor 1000uF 16V 1 AD C3 RC KZA087DRE0 Capacitor 0 1uF 50V 1 AB C4 VCEAB31VW106M Capacitor 10uF 35V 1 AA C5 VCEAB31CW476M Capacitor 47uF 16V 1 AA C6 7 RC KZA087DRE0 Capacitor 0 1uF 50V 2 AB C8 9 VCKYD11CY103N Capacitor 0 01uF 16V 2 AH C20 VCEAB31HW104M Capacitor 0 1uF 50V 1 AM C30 VCKYD11CY103N Capacitor 0 01uF 16V 1 AH C60 63 VCKYD11HB331K Capacitor ...

Page 67: ...en cavity 1 BC 4 8 LANGFA180WRW0 Chassis support 1 AM 4 9 LANGQA452WRP0 Partition angle 1 AK 4 10 LANGQA454WRP0 MG thermo angle 1 AH 4 11 MLEVPA194WRF0 Switch lever 1 AG 4 12 NCPL A045WRF0 Coupling 1 AH 4 13 PCUSGA385WRP0 Cushion 1 AK 4 14 PCOVPA275WRE0 Waveguide cover 1 AR 4 15 PCUSGA339WRP0 Cushion 1 AG 4 16 PCUSUA212WRP0 Cushion 1 AB 4 17 PCUSUA235WRP0 Cushion 1 AF 4 18 PCUSUA376WRP0 Cushion 1 ...

Page 68: ... parts required return should be returned as indicated in the Service Policy 6 9 TSPCNC382WRR0 Rating label R 330AW 1 AD 6 10 TLABMA532WRR0 Menu label 1 AD SCREWS NUTS AND WASHERS 7 1 XFPSD40P08K00 Screw 4mm x 8mm 7 AA 7 2 XFPSD30P06000 Screw 3mm x 6mm 2 AA 7 3 XHTSD40P08RV0 Screw 4mm x 8mm 4 AA 7 4 XHTSD40P12RV0 Screw 4mm x 12mm 1 AA 7 5 XOTSD40P12RV0 Screw 4mm x 12mm 10 AA 7 6 XOTSD40P12000 Scre...

Page 69: ... 2 4 16 4 20 7 4 7 6 7 6 1 5 7 3 7 3 6 2 7 3 1 1 1 1 1 2 1 1 4 8 1 7 4 4 7 5 7 5 4 1 4 3 7 5 6 1 7 1 1 9 4 6 4 19 1 8 6 6 7 5 4 17 1 4 1 15 4 7 4 12 4 14 1 12 7 1 4 22 4 13 4 2 4 15 1 14 4 21 2 3 4 5 1 3 1 6 7 1 7 6 7 6 7 6 7 6 2 5 2 4 7 6 2 4 7 6 2 2 4 11 6 10 4 23 4 9 4 10 1 13 7 1 7 3 6 9 1 11 1 10 1 1 for the oven from Oct 1996 production 6 7 7 6 ...

Page 70: ...LANEOUS PARTS R 330AK AW 5 8 5 2 5 5 5 1 5 3 5 6 5 7 3 2 3 6 3 5 3 3 3 1 3 4 3 9 3 7 3 8 3 2 1 3 1 Actual wire harness may be different from illustration 6 4 6 5 6 3 HIGH VOLTAGE TRANSFORMER CAPACITOR Before attaching Control unit to Control panel Foil side of Control unit must be cleaned by ethyl alcohol 5 9 5 4 ...

Page 71: ...4WRE0 TOP PAD ASSEMBLY FPADBA341WRK0 PLASTIC BAG SSAKHA034WRE0 Not replaceable items PACKING CASE SPAKCC829WRE0 R 330AK SPAKCC832WRE0 R 330AW BOTTOM PAD ASSEMBLY FPADBA342WRK0 6 2 TURNTABLE TRAY 6 8 INSTRUCTION BOOK PRINTING MATTER 6 1 TURNTABLE SUPPORT TRAY PACK SPADFA397WRE0 INTO THE OVEN CAVITY CABINET COVER R 330AK only SPAKHA003WRE0 ...

Page 72: ...46 R 310AK R 330AK R 330AW 96 SHARP CORP 8K4 150E Printed in U S A ...

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