Sharp R-1612 Service Manual
Sharp R-1612 Manual
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- Sharp R-1612 | Service Manual - Page 1
Auto Fan OVER THE RANGE MICROWAVE OVEN MODELS R-1610 R-1611 R-1612 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 contain circuitry capable of producing - Sharp R-1612 | Service Manual - Page 2
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 Measurement Procedure outlined in this service manual. If microwave emissions level is in excess of the specified limit, contact - Sharp R-1612 | Service Manual - Page 3
1610 R-1611 R-1612 WARNING TO SERVICE PERSONNEL Microwave ovens contain circuitry capable of producing very high voltage and current, contact with following parts Service Manual carefully and follow all instructions. Don't Touch ! Danger High Voltage Before Servicing Whenever troubleshooting is - Sharp R-1612 | Service Manual - Page 4
the point of highest leakage and make sure that the highest leakage is no greater than 4mW/cm2, and that the secondary interlock switch does turn the oven OFF before any door movement. NOTE: After servicing, record data on service invoice and microwave leakage report. 2 - Sharp R-1612 | Service Manual - Page 5
1610 R-1611 R-1612 SERVICE MANUAL OVER THE RANGE MICROWAVE OVEN R-1610/ R-1611/1612 FOREWORD This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service Information for the SHARP OVER THE RANGE MICROWAVE OVEN, R-1610/ R-1611/ R1612. The models R-1610 - Sharp R-1612 | Service Manual - Page 6
R-1610 R-1611 R-1612 ITEM Power Requirements Power Output Case Dimensions Cooking 300 C.F.M. Touch Control System Clock ( 1:00 - 12:59 ) Timer (0 - 99 min. 99 seconds) Microwave Power for Variable Cooking Repetition Rate; P-HI Full power throughout the cooking time P-90 approx. 90% of Full Power - Sharp R-1612 | Service Manual - Page 7
R-1610 R-1611 R-1612 GENERAL INFORMATION GROUNDING INSTRUCTIONS This oven is equipped with a three prong grounding plug. Frozen snacks Poultry Custom Help Frozen vegetables Fish/ seafood More from your Microwave Breakfast Bar Lunch on the Run One Dish Dinners Super Defrost Compu Defrost - Sharp R-1612 | Service Manual - Page 8
R-1610 R-1611 R-1612 OPERATION DESCRIPTION OF OPERATING SEQUENCE SENSOR COOKING CONDITION cooling fan motor are turned on, but the power transformer is not turned on. 3. After about 32 seconds, the cook relay (RY2) is energized. The power transformer is turned on, microwave energy is produced and - Sharp R-1612 | Service Manual - Page 9
R-1610 R-1611 R-1612 CAVITY THERMAL CUT-OUT MAGNETRON TEMPERATURE FUSE SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED 2. CLOCK APPEARS ON DISPLAY FUSE 20A B7 RY4 BLK HOOD FAN - Sharp R-1612 | Service Manual - Page 10
1611 R-1612 TROUBLESHOOTING GUIDE Never touch any part in the circuit with your hand or an uninsulated tool while the power supply is connected. When troubleshooting the microwave oven, it is helpful to follow the Sequence of Operation in performing the checks. Many of the possible causes of trouble - Sharp R-1612 | Service Manual - Page 11
PROCEDURES COMPONENT TEST R-1610 R-1611 R-1612 1. Disconnect the surface unit. Refer to the "INSTALLATION INSTRUCTIONS" of the operation manual. (4) Exhaust vents are provided on the detect the vapour given of by the spray and turn off before food is properly cooked. (8) If microwave energy. 9 - Sharp R-1612 | Service Manual - Page 12
R-1610 R-1611 R-1612 TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST NOTE: ERROR will appear if the door is opened or STOP/CLEAR pad is touched during first stage of sensor cooking. (6) After approximately 32 seconds, microwave energy is produced, and the display should start to count down the - Sharp R-1612 | Service Manual - Page 13
Plunger NC NO To connector (F) on Control Unit. COM 1 F-1 2 F-2 3 R1 COM NO F-3 NC CONNECTOR R2 R3 R4 Sensor Dummy Resistor Circuit R-1610 R-1611 R-1612 TOUCH CONTROL PANEL ASSEMBLY OUTLINE OF TOUCH CONTROL PANEL The touch control section consists of the following units as shown in - Sharp R-1612 | Service Manual - Page 14
R-1610 R-1611 R-1612 DESCRIPTION OF LSI LSI(IZA958DR) The I/O signal of the LSI(IZA958DR) is detailed in the following table. Pin No. Signal I/O Description NOTE: For additional informations of LSI, please refer back to the R-1600/1601/ 1602 base model Service Manual. 1 9 10 11 29 30-34 91 92 - Sharp R-1612 | Service Manual - Page 15
CIRCUIT R-1610 R-1611 R-1612 (1) Structure opening for sensing Thermistors Sensing part (Open vessel) Sensing part (Closed vessel) (2) Operational Principle this voltage given, the switches SW1 to SW5 in the LSI are turned on in such a way as to change the resistance values in parallel - Sharp R-1612 | Service Manual - Page 16
1610 R-1611 R-1612 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE WARNING AGAINST HIGH VOLTAGE: Microwave ovens contain circuitry capable of producing very high voltage and current, contact with following parts "Outer case Removal" of the base model Service Manual) 2. Open the door and block it - Sharp R-1612 | Service Manual - Page 17
.Pull the wire leads from the oven lamp socket by pushing the terminal hole of the oven lamp socket with a small flat type screw driver. R-1610 R-1611 R-1612 18.Now, the oven lamp socket is free. 19.Release the harness of the AH sensor assembly from three (3) wire holders of the hood - Sharp R-1612 | Service Manual - Page 18
16 6 5 4 3 2 1 H H CN-F 1 BLK 2 RED 3 WHT AH SENSOR to Chassis Support CN-E 2 GRN 1 RED CONTROL UNIT IC1 IC3 1 CN-G14 CN-C CN-F 13 12 CN-E CN-C T1 LAMPS & SOCKETS Blue Marking WHT GRY ORG ORG ORG RED RED HOOD FAN THERMAL CUT-OUT A A 6 5 4 3 2 1 R-1610 R-1611 R-1612 - Sharp R-1612 | Service Manual - Page 19
R-1610 R-1611 R-1612 1 2 3 4 5 6 A A B AC A 7 R4 27 Q2 2SB1238 C10 LED B D1-4 T1 11ES1 D4 D1 3 8 D5 D6 R5 4.7k C 2 GND 10G471K C1 0.1µ/50v C2 1000µ/35v R1 2.4k - Sharp R-1612 | Service Manual - Page 20
/ Lo Fresh vegetables Super Defrost Frozen vegetables Frozen entrees Ground meat Rice Sensor reheat Baked potatoes Beverage center Auto Fan Minute Plus Popcorn KEY UNIT A A 6 5 4 3 2 1 R-1610 R-1611 R-1612 - Sharp R-1612 | Service Manual - Page 21
SEG31 SEG32 SEG33 SEG34 76 75 C128 C127 0.1µ/50v 0.1µ/50v C129 0.1µ/50v Figure S-4. Indicator Circuit R132 R133 33k 510k E E D D C C R-1610 R-1611 R-1612 6 A B SENSOR DEFROST TURNTABLE OFF COOK HELP B COM16 COM15 COM14 COM13 COM12 COM11 COM10 COM9 SEG40 SEG39 SEG38 SEG37 SEG36 SEG35 - Sharp R-1612 | Service Manual - Page 22
R-1610 R-1611 R-1612 PARTS LIST Note: The parts marked "∆" may cause undue microwave exposure. The parts marked "*" are used in voltage more than 250V. "§" MARK: PARTS DELIVERY SECTION REF. NO. * 1- 1 * 1- 2 1- 3 1- 4 1- 5 1- 6 * 1- 7 ∆* 1- 8 1- 9 1-10 1-11 1-12 1-13 1-14 1-15 1-16 1-17 1-18 2- - Sharp R-1612 | Service Manual - Page 23
filter Chassis support left Chassis support right Hood duct Rack holder Door stopper Louver cover A [R-1610] Louver cover B [R-1610] Louver cover C [R-1610] Magnetron air guide DOOR PARTS Door panel assembly Door frame assembly [R-1610] Door frame assembly [R-1611] Door frame assembly [R-1612] Front - Sharp R-1612 | Service Manual - Page 24
Installation instruction Operation manual x 12mm [R-1610] Screw : 4mm x 12mm [R-1611] Screw : 4mm x 12mm [R-1612] Screw : 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 - Sharp R-1612 | Service Manual - Page 25
1 2 3 4 7-10 OVEN AND CABINET PARTS A 6-17 1-18 4-13 1-14 2-1 5 7-3 4-1 7-3 R-1610 R-1611 R-1612 6 A 4-19 7-5 7-3 4-10 B 2-5 B 7-3 4-12 4-11 7-4 1-12 2-6 1-15 C 7-1 1-16 1-17 1-13 4-17 7-3 1-5 7-8 7-5 C 1-3 6-10 D D 7-9 4-7 4-24 4-18 4-23 4-20 x2 E 6-12 6- - Sharp R-1612 | Service Manual - Page 26
R-1610 R-1611 R-1612 1 A 7-3 3-2-2 2 3-2 3 3-3 3-4 4 5 6 CONTROL PANEL PARTS 3-1 A B DOOR PARTS C 5-2 D 5-2-5 5-2-1 E F 5-5 3-2-1 3-2-3 5-6 5-1 5-4 5-6 3-5 B 4-21 C 5-3 D 5-7 5-2-3 5-2-2 5-2-4 E MISCELLANEOUS 6-6 6-7 F G 6-1-1 6-1-2 H 6-1-3 1 6-1-4 6-1-5 6-1-6 6-1-7 2 - Sharp R-1612 | Service Manual - Page 27
PACKING AND ACCESSORIES DOOR PROTECTOR SPADP0221MRE0 R-1610 R-1611 R-1612 TOP PAD SPADBB026MRE0 4-3 TURNTABLE TRAY 6-15 RACK RACK HOLDER SPADFB047MRE0 6-1 INSTALL MATERIAL ASSEMBLY 6-3 OPERATION MANUAL 6-5 WALL TEMPLATE 6-2 INSTALLATION INSTRUCTION 6-4 TOP TEMPLATE 6-13 GREASE FILTER (x 2) WRAP - Sharp R-1612 | Service Manual - Page 28
R-1610 R-1611 R-1612 COPYRIGHT © 1999 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in retrieval systems, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise,
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R-1610
R-1611
R-1612
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 the following parts may result in a
severe, possibly fatal, electrical shock. (High Voltage Capaci-
tor, High Voltage Power Transformer, Magnetron, High Volt-
age Rectifier 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
PRODUCT SPECIFICATIONS
..............................................................................................................................
4
GENERAL
INFORMATION
...................................................................................................................................
4
OPERATION
..........................................................................................................................................................
6
TROUBLESHOOTING GUIDE
..............................................................................................................................
8
TEST PROCEDURE
..............................................................................................................................................
9
TOUCH CONTROL PANEL ASSEMBLY
............................................................................................................
11
CONPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
................................................................
14
PICTORIAL DIAGRAM
........................................................................................................................................
16
POWER UNIT CIRCUIT
......................................................................................................................................
17
LSI UNIT CIRCUIT
...............................................................................................................................................
18
INDICATOR CIRCUIT
..........................................................................................................................................
19
PARTS LIST
........................................................................................................................................................
20
PACKING AND ACCESSORIES
.........................................................................................................................
25
S5911R1610X//
R-1610
R-1611
R-1612
MODELS
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.
This is a supplemental Service Manual for Models R-1610, R-1611 and R-1612. These models are quite similar to
base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models Service
Manual (Reference No. is S4910R1160X//) for complete operation, service information, etc..
OVER THE RANGE
MICROWAVE OVEN
1
2
3
4
5
6
7
8
9
0
Rice
Poultry
Popcorn
Fish/
seafood
Ground
meat
Lunch on
the Run
One Dish
Dinners
Breakfast
Bar
Compu
Defrost
Beverage
Center
Super
Defrost
Fresh
vegetables
Turntable
On/Off
Kitchen Timer
Clock
Stop
Clear
START
Touch On
Memory
Cook
Power
Level
Minute
Plus
Work
Light
Night
Light
Fan
Hi/Lo
Auto
Fan
Frozen
entrees
Frozen
snacks
Frozen
vegetables
Custom
Help
Baked
potato
Sensor
reheat
S e n s o r
C o o k i n g
More
from
your
Microwave