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7

R-408HS

6

4

5

1

2

3

6

4

5

1

2

3

A

B

C

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F

G

H

A

B

C

D

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Figure S-3. CPU Unit Circuit (R-408HS)

R

74 - R

78:270K

x5

C

60 - C

64:330pF

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TURNTAB

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MOTOR

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SWITCH

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G11

G12

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G8

G7

G6

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G4

G3

G2

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1

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P26

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P23

P22

P21

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2

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4

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R66

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R65

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R64

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R63

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R60

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(J10)

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1

3

1

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1

4

1

0

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R

1

5

1

0

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(J12)

A

N

4

(J15)

20K

(J17)

4.7K

(J13)

3.6K

4.7K

4.7K

(J16)

3.6K

(J14)

4.7K

CO

M0

CO

M1

CO

M2

CO

M3

CO

M2

CO

M1

SEG

21

SEG

20

SEG

19

SEG

18

SEG

17

SEG

16

SEG

15

SEG

14

SEG

13

SEG

12

SEG

11

SEG

10

SEG

9

SEG

8

SEG

7

SEG

6

SEG

5

SEG

4

SEG

3

SEG

2

SEG

1

SEG

0

:IF N

O

T SP

E

C

IF

IE

D

  1/10W

±5%

N

O

TE

0.1uF

50V

Summary of Contents for R-408HS

Page 1: ... INSIDE FRONT COVER WARNING TO SERVICE PERSONNEL 1 MICROWAVE MEASUREMENT PROCEDURE 2 FOREWORD AND WARNING 3 PRODUCT SPECIFICATIONS 4 GENERAL INFORMATION 4 TESTPROCEDURE 6 CPUUNITCIRCUIT 7 PARTS LIST 8 PACKING AND ACCESSORIES 12 S43M211R408HE R 408HS MICROWAVEOVEN MODEL SUPPLEMENTAL SERVICE MANUAL SHARP ELECTRONCS CORPORATION This document has been published to be used for after sales service only ...

Page 2: ...transmission 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 Me...

Page 3: ...tor 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 Reconnect t...

Page 4: ...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 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 ...

Page 5: ...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 risk of electrical shock only during servicing Service person nel Do n...

Page 6: ...alresponsibilityandobligationofthecustomertocontact SPECIFICATION ITEM DESCRIPTION Power Requirements 120 Volts 14 0 Amperes 1600 watts 60 Hertz Single phase 3 wire grounded PowerOutput 1100 watts IEC 705 TEST PROCEDURE Operatingfrequencyof2450MHz CaseDimensions Width 21 11 16 Height 12 3 8 Depth 17 3 8 Cooking Cavity Dimensions Width 15 Height 9 7 16 1 4 Cubic Feet Depth 16 3 4 ControlComplement ...

Page 7: ...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 or door is opened 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 Wave guide cover 11 P...

Page 8: ...ty and must be replaced About the other pads the above method may be used 5 Reconnect all leads removed from components during testing 6 Re install the outer case cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and check all functions 6 Re install the outer case cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and...

Page 9: ... P27 P26 P25 P24 P23 P22 P21 P20 VL3 COM0 COM1 COM2 COM3 AVSS VREF VCC SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 CST4 00MGW R67 15K R66 15K R65 15K R64 15K R63 15K R62 15K R61 15K R60 15K R80 1M R110 15K G F POWER LEVEL CLEAR KEY UNIT DEFROST MINUTE PLUS REHEAT R78 R77 R76 R75 R74 C64 C63 C62 C61 C60 R68 15K R69 15K R70 15K R71 15K R72 15K P70 P71 P41 P45 G CPU UNIT R41 15K R40 4 7K C4 00 01uF 25V P...

Page 10: ...ontrol unit assy 1 BA 3 2 HPNLFB005MRF0A M Control panel frame 1 AE 3 3 PSHEPB114MRR0 M Graphic sheet 1 AG 3 4 FDECAB038MRK0 M Open button 1 AF 3 5 MSPRCA050WRE0 M Open button spring 1 AA 3 6 XEPSD30P06XS0 M Screw 3mm x 6mm 5 AA OVEN PARTS 4 1 LBNDKB007MRP0 M H V Capacitor band 1 AB 4 2 LANGTB060MRP0 M Chassis support 1 AD 4 3 PHOK B018MRF0 M Latch hook 1 AF 4 4 MLEVPB016MRF0 M Switch lever 1 AD 4...

Page 11: ...2 FW VZB192MRE0 M Main wire harnes 1 AU 6 3 FROLPB025MRK0 M Turntable support 1 AN 6 4 NTNT A108WREZ M Turntable tray 1 AM 6 5 TCAUAB045MRR0 M Monitor caution label 1 AA 6 6 TCAUAB038MRR0 M DHHS Screw caution label 1 AB 6 7 TINSEB339MRK0 M Operation manual 1 AD 6 8 QW QZB016MRE0 M High voltage wire A 1 AC SCREWS NUTSANDWASHERS 7 1 LX BZA041WRE0 M Special screw 5 AA 7 2 LX CZ0052WRE0 M Special scre...

Page 12: ... A B C D E F G H OVEN AND CABINET PARTS 2 3 4 7 6 6 1 5 4 6 4 8 4 9 6 4 6 3 2 1 7 5 1 10 4 10 7 2 7 2 4 3 1 11 1 8 7 3 7 5 7 5 7 6 4 2 7 4 1 9 1 3 1 4 7 1 1 7 1 7 4 4 7 1 4 1 1 1 1 2 2 2 2 2 2 2 2 2 7 4 7 4 4 11 7 4 6 5 1 6 4 5 1 12 7 4 7 7 7 4 7 7 1 6 ...

Page 13: ... C D E F G H Actual wire harness may be different from illustration 6 8 6 2 6 1 3 3 3 2 3 5 3 1 3 4 3 6 5 1 2 5 1 1 5 6 5 4 5 3 5 2 5 7 5 8 Items 5 7 5 8 5 9 are not included with assembly 5 1 or 5 6 5 5 5 9 Control Panel Parts Door Parts Miscellaneous 5 1 ...

Page 14: ...ESSORIES DOOR PROTECTION SHEET PLASTIC BAG PACKING CASE TOP PAD ASSEMBLY INTO THE OVEN CAVITY 6 4 TURNTABLE TRAY 6 7 OPERATION MANUAL BOTTOM PAD ASSEMBLY TRAY HOLDER 6 3 TURNTABLE SUPPORT ON TOP OF THE OVEN Non replaceable items ...

Page 15: ...13 R 408HS NOTES ...

Page 16: ...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 recording orotherwise withoutpriorwrittenpermission of the publisher ...

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