Sharp KB-3425LS Service Manual
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Sharp KB-3425LS Service Manual

Free standing/slide-in range with microwave drawer
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See also: Operating Manual , Installation Manual
KB-4425LW pictured
This service manual is intended for use by persons having electrical and mechanical training and a level of
knowledge of these subjects generally considered acceptable in the appliance repair trade. Sharp Electronics
Corporation cannot be responsible, nor assume any liability, for injury or damage of any kind arising from the
use of this manual.
Microwave ovens contain 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 Capacitor, High Voltage
Power Transformer, High Voltage Rectifier and Heat sink etc., and Magnetron, High Voltage Harness etc..)
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 ................................................................................................................. 3
Microwave Measurement Procedure ..................................................................................................... 5
Foreword And Warning ............................................................................................................................... 7
PRODUCT SPECIFICATIONS ............................................................................................................................... 8
Power Connection ....................................................................................................................................... 0
Anti-Tip Device ................................................................................................................................................ 2
CONTROL LAYOUT ............................................................................................................................................. 3
SCHEMATICS ...................................................................................................................................................... 4
Test Procedures .......................................................................................................................................... 8
Touch Control Panel Assembly .............................................................................................................. 29
OVEN/MICROWAVE DRAWER DISASSEMBLY .................................................................................................. 40
Wiring Diagrams ............................................................................................................................................ 52
Printed Wiring Boards ............................................................................................................................... 58
PARTS LIST ......................................................................................................................................................... 63
Packing And Accessories .......................................................................................................................... 74
SHARP ELECTRONICS CORPORATION
This document has been published to be used for after sales service only. The contents are subject to change without notice.
SERVICE MANUAL
FREE STANDING/SLIDE-IN RANGE
WITH MICROWAVE DRAWER
KB-3425LS
KB-3425LK
KB-3425LW

TABLE OF CONTENTS

MODELS
KB-4425LS
KB-4425LK
KB-4425LW

KB-3425LS/K/W
KB-4425LS/K/W
S66R264KB442L
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Summary of Contents for Sharp KB-3425LS

  • Page 1 This service manual is intended for use by persons having electrical and mechanical training and a level of knowledge of these subjects generally considered acceptable in the appliance repair trade. Sharp Electronics Corporation cannot be responsible, nor assume any liability, for injury or damage of any kind arising from the use of this manual.
  • Page 2 Before servicing an operative unit, perform a microwave emission check as per the Microwave Measure- ment Procedure outlined in this service manual. If microwave emissions level is in excess of the specified limit, contact SHARP ELECTRONICS CORPO- RATION immediately @-800-237-4277.

  • Page 3: Warning To Service Personnel

    KB-3425LS/K/W KB-4425LS/K/W WARNING TO SERVICE PERSONNEL Range units contain circuitry capable of producing very high voltage and current, contact with following parts may result in a severe, possibly fatal, electrical shock. (Example) High Voltage Capacitor, High Voltage Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness, Heating Elements, etc..

  • Page 4: Safe Servicing Practices

    6. Prior to returning the product to service, ensure that: • All electrical connections are correct and secure • All electrical leads are properly dressed and secured away from sharp edges, high-temperature components, and moving parts • All non-insulated electrical terminals, connectors, heaters, etc. are adequately spaced away from all metal parts and panels •...

  • Page 5: Microwave Measurement Procedure

    KB-3425LS/K/W KB-4425LS/K/W MICROWAVE MEASUREMENT PROCEDURE A. Requirements: ) Microwave leakage limit (Power density limit): The power density of microwave radiation emitted by a microwave oven should not exceed mW/cm at any point 5cm or more from the external surface of the oven, measured prior to...
  • Page 6 KB-3425LS/K/W KB-4425LS/K/W NOTES...

  • Page 7: Power Connection

    KB-4425LS / KB-4425LK / KB-4425LW POWER CONNECTION ANTI-TIP DEVICE FOREWORD This Manual has been prepared to provide Sharp Electronics Corp. SCHEMATICS Service Personnel with Operation and Service Information for the SHARP FREE STANDING and SLIDE-IN RANGE WITH MICROWAVE DRAWER, KB-3425LS/JK/JW and KB-4425LS/JK/JW...
  • Page 8 KB-3425LS/K/W KB-4425LS/K/W OVEN SPECIFICATION ITEM DESCRIPTION Power Requirements 20 /208 - 20/240Volts / 46/50 Amperes 60 Hertz Single phase, 3 wire grounded Thermal Oven Heating Elemants Top - 3000W Bottom - 3000W Rear - 2500W Case Dimensions Width 29-7/8" Height 36"...
  • Page 9 KB-3425LS/K/W KB-4425LS/K/W MICROWAVE DRAWER SPECIFICATION ITEM DESCRIPTION Power Output 000 watts (IEC TEST PROCEDURE) Operating frequency of 2450MHz Cooking Cavity Dimensions Width 7-/32 Height 5-7/8" .0 Cubic Feet Depth 7-/8" Control Complement Touch Navigation System Clock ( :00 - 2:59 ) Timer (0 - 99 min.
  • Page 10 KB-3425LS/K/W KB-4425LS/K/W POWER CONNECTION 208/240 VOLT CONNECTION INSTRUCTIONS ACCESS TO TERMINAL BLOCK The range can be set for 208V or 240V. The voltage setting for your Loosen screw on rear access cover and pull down as illustrated in range is pre-set at 240V from the factory. Follow these steps to Figure 6 to access terminal block wiring connection.
  • Page 11 KB-3425LS/K/W KB-4425LS/K/W 3 Make sure all connections are tightened securely and replace connections. Tighten all 3 or 4-wire leads to the terminal block. the rear access cover. See Figure 7. Follow wire locations shown in Figure 10. IMPORTANT DO NOT LOOSEN the factory installed nut...
  • Page 12 KB-3425LS/K/W KB-4425LS/K/W DRILL PILOT HOLES AND FASTEN BRACKET ANTI-TIP DEVICE Drill a -inch pilot hole where screws are to be located. If bracket is to be mounted to the wall, drill pilot hole at an approximate 20 NORMAL INSTALLATION STEPS degree downward angle.
  • Page 13 KB-3425LS/K/W KB-4425LS/K/W KB-3425LS...

  • Page 14: Schematics

    KB-3425LS/K/W Schematic-Off Condition KB-4425LS/K/W COOK TOP FUSE RESISTOR 470 kohm 1/2W LINE CROSS CAPACITOR 1.0uF 250V DOOR SWITCH NOISE SUPRESSION COIL DOOR LOCK MOTOR SWITCH LINE BYPASS CAPACITOR LINE BYPASS CAPACITOR 0.0033uF 250V 0.0033uF 250V THERMISTOR CLOSS FLOW FAN MOTOR...
  • Page 15 COOK TOP SCHEMATIC (DETAIL) KB-3425LS/K/W KB-4425LS/K/W CONTROL INDICATOR LIGHT P1B / INSIDE PROTECTOR OUTSIDE P1A / RIGHT FRONT SURFACE ELEMENT L1 / H1 / H2 / L2 / P1 / CONTROL RIGHT REAR PROTECTOR SURFACE ELEMENT P1 / WARMER PROTECTOR...
  • Page 16 KB-3425LS/K/W KB-4425LS/K/W MICROWAVE DRAWER SCHEMATIC (DETAIL) FUSE RESISTOR 470 kohm 1/2W LINE CROSS CAPACITOR 1.0uF 250V NOISE SUPRESSION COIL LINE BYPASS CAPACITOR LINE BYPASS CAPACITOR 0.0033uF 250V 0.0033uF 250V DOOR SENSING SWITCH HUMIDITY SENSOR COM. RY11 FAN MOTOR STIRRER MOTOR...
  • Page 17 KB-3425LS/K/W KB-4425LS/K/W RANGE SCHEMATIC (DETAIL) DOOR SWITCH DOOR LOCK MOTOR SWITCH THERMISTOR CLOSS FLOW FAN MOTOR CONV. MOTOR DOOR LOCK MOTOR OVEN LAMP RY10 CONV. HEATER COM. N.O. BOTTOM HEATER TOP HEATER COM. N.O. OVEN THERMAL CUT-OUT (THERMAL OVEN)

  • Page 18: Test Procedures

    KB-3425LS/K/W TEST PROCEDURES KB-4425LS/K/W PROCEDURE COMPONENT TEST LETTER TOUCH CONTROL PANEL ASSEMBLY TEST The touch control panel consists of circuits including semiconductors such as LSI, ICs, etc. Therefore, unlike conventional microwave ovens, proper maintenance cannot be performed with only a voltmeter and ohmmeter.
  • Page 19 KB-3425LS/K/W KB-4425LS/K/W TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER 4) Reconnect all leads removed from components during testing. 5) Re-install the covers. 6) Reconnect the power supply cord after the outer case is installed. 7) Run the oven and check all functions.
  • Page 20 KB-3425LS/K/W KB-4425LS/K/W TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER 8. Reconnect all leads removed from components during testing. 9. Re-install the covers. 0. Reconnect the power supply cord after the cabinets are installed. . Run the drawer and check all function.
  • Page 21 KB-3425LS/K/W KB-4425LS/K/W TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER STEPS OCCURRENCE CAUSE OR CORRECTION The rated AC voltage is not present between Check supply voltage and oven power cord. Pin Nos. and 3 of the 2-pin connecter (CN-B). The rated AC voltage is present at primary Touch control transformer or secondary circuit defective.
  • Page 22 KB-3425LS/K/W KB-4425LS/K/W TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER (5) Install the new AH sensor. (6) Reconnect all leads removed from components during testing. (7) Re-install the outer case (cabinet). (8) Reconnect the power supply cord after the cabinets are installed.
  • Page 23 KB-3425LS/K/W KB-4425LS/K/W TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER SURFACE ELEMENT CONTROL SYSTEMS Di al Posit ion Contacts LO-MED Two types of surface elements control systems are P2 - P covered in this manual. P2 - 4 Standard infinite switch. P1 - 2 X - C Dual infinite switch.
  • Page 24 KB-3425LS/K/W TEST PROCEDURES KB-4425LS/K/W PROCEDURE COMPONENT TEST LETTER between the switch and the element are open. If the meter reads line to line voltage the element is defective. Element does not cycle: If the element does not cycle when the switch is set in a position other than high the switch is defective.
  • Page 25 KB-3425LS/K/W KB-4425LS/K/W TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER Both elements do not heat: With the switch turned clockwise to the high position measure the voltage drop between Checking the system with a Voltmeter, if the elements terminals 4 and 2. If the meter reads zero do not heat up: the switch is defective.
  • Page 26 KB-3425LS/K/W TEST PROCEDURES KB-4425LS/K/W PROCEDURE COMPONENT TEST LETTER Refer to the disassembly instructions found on Page 16. MAGNETRON ASSEMBLY TEST . Disconnect the power supply cord. 2. Open the drawer and keep it open. 3. To discharge high voltage capacitor, wait for 60 seconds.
  • Page 27 KB-3425LS/K/W TEST PROCEDURES KB-4425LS/K/W PROCEDURE COMPONENT TEST LETTER SECONDARY INTERLOCK SWITCH TEST . Disconnect the power supply cord. 2. Open the drawer and keep it open. 3. To discharge high voltage capacitor, wait for 60 seconds. 4. Isolate the switch and connect the ohmmeter to the common (COM.) and normally open (NO) terminal of the switch.
  • Page 28 KB-3425LS/K/W KB-4425LS/K/W TEST PROCEDURES PROCEDURE COMPONENT TEST LETTER BLOWN MONITOR FUSE TEST . Disconnect the power supply cord. 2. Open the drawer and block it open. 3. To discharge high voltage capacitor, wait for 60 seconds. 4. If the monitor fuse is blown when the drawer is opened, check the primary interlock switch, secondary interlock switch and monitor switch according to the "TEST PROCEDURE"...

  • Page 29: Touch Control Panel Assembly

    TOUCH CONTROL PANEL ASSEMBLY KB-3425LS/K/W KB-4425LS/K/W OUTLINE OF TOUCH CONTROL PANEL The touch control section consists of the following units. Relay Circuit A circuit to drive the magnetron, fan motor, stirrer motor, () Keyboard unit convection motor, door lock motor, bottom heater, top (2) Control Unit heater, convection heater and light the oven lamp.
  • Page 30 KB-3425LS/K/W KB-4425LS/K/W DESCRIPTION OF LSI (IC-1) The I/O signal of the LSIis detailed in the following table. Pin No. Signal Description Signal coming from Transparent electrode (touch key on the LCD). When the  key of the transparent electrode is touched, a corresponding signal out of OUT of IC-2 will be input into P96 of IC-.
  • Page 31 KB-3425LS/K/W KB-4425LS/K/W Pin No. Signal Description INT0 Signal to synchronize LSI with commercial power source frequency. This is the basic timing for all real time processing of LSI. H : +5V L : GND 6.7 msec. Signal to change the rotational direction is output to the Microwave drawer door open-close motor.
  • Page 32 KB-3425LS/K/W KB-4425LS/K/W Pin No. Signal Description Reset signal is outout to the LCD. Chip select signal is outout to the LCD. Turminal not used. Turminal not used. Signal to turn on the indicator for the Cook Top Warmer is output to the LED (LD0).
  • Page 33 KB-3425LS/K/W KB-4425LS/K/W Pin No. Signal Description “L” level: During fan motor OFF. Fan motor (Drawer) driving signal. H: +5V To turn on and off relay(RY5). L: GND “H” level: During fan motor ON. “L” level: During fan motor OFF. Top heater driving signal.
  • Page 34 KB-3425LS/K/W KB-4425LS/K/W HUMIDITY SENSOR CIRCUIT (1) Structure of Humidity Sensor the resistance values results in that there is the same The humidity sensor includes two thermistors as shown potential at both F-3 terminal of the absolute humidity in the illustration. One thermistor is housed in the closed sensor and AN5 terminal of the LSI.
  • Page 35 KB-3425LS/K/W KB-4425LS/K/W OVEN TEMPERATURE/SELF CLEANING CONTROL CIRCUIT...
  • Page 36 KB-3425LS/K/W KB-4425LS/K/W OVEN DOOR LOCK MOTOR CONTROL CIRCUIT...
  • Page 37 KB-3425LS/K/W KB-4425LS/K/W OVEN DOOR LOCK MOTOR DETECTION CIRCUIT...
  • Page 38 KB-3425LS/K/W KB-4425LS/K/W TOUCH CONTROL PANEL SERVICING touch control panel and the oven itself is so short that 1. Precautions for Handling Electronic Components the two can’t be separated. For those models, check and This unit uses CMOS LSI in the integral part of the circuits.
  • Page 39 KB-3425LS/K/W KB-4425LS/K/W PRECAUTIONS FOR USING LEAD-FREE SOLDER 1. Employing lead-free solder The "Main PWB" of this model employs lead-free solder. This is indicated by the "LF" symbol printed on the PWB and in the service manual. The suffix letter indicates the alloy type of the solder.
  • Page 40 KB-3425LS/K/W KB-4425LS/K/W OVEN / MICROWAVE DRAWER DISASSEMBLY WARNING: Follow all safety precautions beginning on Page 2 before proceeding! Fig. 1 . Before removing Control Panel, take measures to protect Cook Top surface and keep Microwave Drawer open to prevent scratches.
  • Page 41 KB-3425LS/K/W KB-4425LS/K/W Fig. 4 0. Remove screws from Control Panel Frame (Fig 4). Control Panel Frame . (KB3425L) - Slide Cook Top forward to unlock from shoulder screws, then remove or reposition (Fig. 5). Fig. 5 (KB4425L) - Before you can Slide the Cook Top...
  • Page 42 KB-3425LS/K/W KB-4425LS/K/W 4. Remove screws from Microwave top Air Duct and take off (Fig. 7). Fig. 7 Air Duct 5. Remove all screws from Microwave Back Plate (Fig. 7). 6. Lift Back Plate and remove carefully not to damage any wires (Fig. 7).
  • Page 43 KB-3425LS/K/W KB-4425LS/K/W STOP SWITCH, SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH REMOVAL 2. Open the drawer and keep it open. . Disconnect the power supply cord. . Re-install each switch in its place. The secondary interlock 3. To discharge the high voltage capacitor, wait for 60 switch is in the lower position and the monitor switch is seconds.
  • Page 44 KB-3425LS/K/W DRAWER/SLIDE RAIL REMOVAL KB-4425LS/K/W DRAWER ASSEMBLY AND CHOKE REMOVAL . Disconnect the power supply cord. NOTE: 2. Open the drawer and keep it open. To remove only the Fig. D-1 3. To discharge the high voltage capacitor, wait for 60 Microwave Drawer, follow steps seconds.
  • Page 45 KB-3425LS/K/W KB-4425LS/K/W SWITCH ANGLE REMOVAL/ADJUSTMENT SWITCH ANGLE REMOVAL Fig. S-1 (Locate either the right or left switch angle) . Follow the Microwave Drawer disassembly as previously stated. 2. Open the drawer and keep it open. 3. To discharge the high voltage capacitor, wait for 60 seconds.
  • Page 46 KB-3425LS/K/W KB-4425LS/K/W AUTO DRAWER GEAR REMOVAL . Follow the Microwave Drawer disassembly as previously stated. 2. Open the drawer and keep it open. 3. To discharge the high voltage capacitor, wait for 60 seconds. 4. Unhook wiring Auto Drawer Gear.
  • Page 47 KB-3425LS/K/W KB-4425LS/K/W OVEN DOOR REMOVAL OVEN DOOR ASSEMBLY REMOVAL . Disconnect the power supply cord. Fig. O-1 2. Open the door to the fully opened position (Fig. O-1). 3. Pull the lock located on both hinge supports up and engage in the hook of the hinge levers.
  • Page 48 KB-3425LS/K/W KB-4425LS/K/W OVEN BAKE ELEMENT REMOVAL . Disconnect the power supply cord. 2. Refer to the disassembly instructions as previously stated. 3. Disconnect the wires by removing (2) nuts from element (Fig. O-5) 4. Remove the (2) screws holding the element from inside the oven (Fig. O-6).
  • Page 49 KB-3425LS/K/W KB-4425LS/K/W BLOWER MOTOR REMOVAL . Disconnect the power supply cord. 2. Refer to the disassembly instructions as previously stated. 3. Unhook all wiring from Blower Motor (Fig. O-11) 4. Remove tape from Thermistor rear hole. 5. Remove the (2) screws holding the Blower Motor to the Rear Plate.
  • Page 50 KB-3425LS/K/W KB-4425LS/K/W CONVECTION MOTOR/IMPELLER BLADE REMOVAL . Disconnect the power supply cord. 2. Refer to the disassembly instructions as previously stated. 3. Unhook all wiring from convection Motor (Fig. C-16). 4. Remove the (8) screws holding the convection cover on from inside the oven (Fig. C-13).
  • Page 51 KB-3425LS/K/W KB-4425LS/K/W COOK TOP RADIANT HEATERS/HOT SURFACE INDICATOR REMOVAL . Disconnect the power supply cord. 2. Refer to the disassembly instructions as previously stated. 3. After Cook Top Assembly is free, turn upside down (glass side down) on a protective surface to prevent scratching (Fig.

  • Page 52: Wiring Diagrams

    KB-3425LS/K/W CONTROL PANEL WIRING DIAGRAM KB-4425LS/K/W...
  • Page 53 KB-3425LS/K/W COOK TOP WIRING DIAGRAM KB-4425LS/K/W...
  • Page 54 KB-3425LS/K/W MICROWAVE DRAWER WIRING DIAGRAM KB-4425LS/K/W...
  • Page 55 KB-3425LS/K/W MICROWAVE DRAWER CPU WIRING DIAGRAM KB-4425LS/K/W...
  • Page 56 RANGE POWER SUPPLY WIRING DIAGRAM KB-3425LS/K/W KB-4425LS/K/W...
  • Page 57 RANGE WIRING DIAGRAM KB-3425LS/K/W KB-4425LS/K/W...
  • Page 58 KB-3425LS/K/W KB-4425LS/K/W Transformer CN-A RTRNPA006WRZZ D1 -- D4 1N4002L x4 CN-H VRS1 10G471K AC 120V 60Hz CN-B POWER HZ20-1 TRANS- KTC1027 FORMER DU18D1-1P(M)-R-S OL,SM (DRAWER COM.) DU18D1-1P(M)-R (OVEN COM.) DU18D1-1P(M)-R TOP H. DU18D1-1P(M)-R (DRAWER) H-10 (OVEN) H-11 (OVEN) H-15 LOCK <NOTE>...
  • Page 59 KB-3425LS/K/W KB-4425LS/K/W...

  • Page 60: Printed Wiring Boards

    KB-3425LS/K/W KB-4425LS/K/W VRS1 RY7 RY8 Figure S-4. Printed Wiring Board of Power Unit...
  • Page 61 KB-3425LS/K/W KB-4425LS/K/W LCD1 R100 R101 R102 R103 R104 R105 LD10 QPWBFA851DRZZ B C E B C E Figure S-5. Printed Wiring Board of Control Unit...
  • Page 62 KB-3425LS/K/W KB-4425LS/K/W ( C o n t r o l l o c k ) UPPER START Stop OPEN MICROWAVE Clear Minute (On/Off) OVEN Pluse CLOSE Kitchen Stop START Lower Timer Oven Clear Setup Oven Cook top Light Warm (On)

  • Page 63: Parts List

    KB-3425LS/K/W KB-4425LS/K/W CONTROL PANEL 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. PART NO. § DESCRIPTION Q'TY CODE...

  • Page 64: Control Panel

    KB-3425LS/K/W KB-4425LS/K/W CONTROL PANEL 1-18 1-17 1-14 1-18 1-16 1-12 1-17 1-10 1-14 1-15 1-12 1-11 1-12 1-12 1-11 1-14 1-13 1-19 CONTROL PANEL HARNESS 1-13 Actual wire harness may be different from illustration.

  • Page 65: Cook Top Parts List

    KB-3425LS/K/W KB-4425LS/K/W COOK TOP 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. PART NO. § DESCRIPTION Q'TY CODE...
  • Page 66 KB-3425LS/K/W KB-4425LS/K/W 2-21 KB3425L KB4425L 2-12 2-19 Rear view 2-12 Rear view 2-20 2-19 2-14 2-12 Front view 2-17 2-11 2-12 2-10 2-15 2-16 COMMON PARTS 2-18 2-13 2-12 2-13 Actual wire harness may be different from illustration. 2-12...
  • Page 67 KB-3425LS/K/W KB-4425LS/K/W MICROWAVE DRAWER 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. PART NO. § DESCRIPTION Q'TY CODE...
  • Page 68 KB-3425LS/K/W KB-4425LS/K/W REF. NO. PART NO. § DESCRIPTION Q'TY CODE 3-58 JHNDPB052MRM0 Door handle [KB3425LS] [KB4425LS] 3-58 JHNDPB054MRM0 Door handle [KB3425LK] [KB4425LK] 3-58 JHNDPB055MRM0 Door handle [KB3425LW] [KB4425LW] 3-59 FGLSPB002MRY0 Oven tray assy 3-60 GCOVHB053MRF0 Choke cover 3-61 LX-CZB027MRE0 Shoulder screw...
  • Page 69 KB-3425LS/K/W KB-4425LS/K/W MICROWAVE DRAWER MICROWAVE DRAWER MICROWAVE DRAWER HARNESSES 3-74 3-47 3-55 3-75 3-14 3-28 Actual wire harness may be different from illustration. 3-70 3-73 3-11 3-28 3-61 3-68 3-28 3-28 3-71 3-27 3-45 3-39 3-28 3-28 3-15 3-25 3-28...
  • Page 70 KB-3425LS/K/W KB-4425LS/K/W OVEN 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. PART NO. § DESCRIPTION Q'TY CODE...
  • Page 71 KB-3425LS/K/W KB-4425LS/K/W OVEN UNIT OVEN UNIT HARNESSES 4-42 4-40 Actual wire harness may be different from illustration. 4-34 4-28 4-26 4-59 4-47 4-49 4-24 4-25 4-10 4-31 4-17 4-19 4-23 4-32 4-41 4-58 4-30 4-43 4-11 4-44 4-13 4-12 4-14...
  • Page 72 KB-3425LS/K/W KB-4425LS/K/W OVEN DOOR 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. PART NO. § DESCRIPTION Q'TY CODE...

  • Page 73: Oven Door

    KB-3425LS/K/W KB-4425LS/K/W OVEN DOOR...
  • Page 74 KB-3425LS/K/W KB-4425LS/K/W PACKING 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. PART NO. § DESCRIPTION Q'TY CODE...
  • Page 75 KB-3425LS/K/W KB-4425LS/K/W PACKING PACKING CASE KB-3425L Shown SUPPORT CORNERS BOILER INSERT BOILER PAN ANTI-TIP TEMPLATE OPERATION MANUAL INSTALLION MANUAL ANTI-TIP KIT EXTENDED RACK ASSY x 2 OVEN RACK Non-replaceable items BOILER PAN RACK...
  • Page 76 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, without prior written permission of the publisher. 2006 SHARP CORP. (5R2.00E) Printed in U.S.A...

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