Sharp Insight KB-4425LK, Service Manual

Page 1: ...gh Voltage Harness etc S66R264KB442L KB 3425LS KB 3425LK KB 3425LW FREE STANDING SLIDE IN RANGE WITH MICROWAVE DRAWER MODELS SERVICE MANUAL 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 3 MICROWAVE MEASUREMENT PROCEDURE 5 FOREW...

Page 2: ...on and 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 Micro...

Page 3: ...ve neccessary covers 2 Open the drawer and keep it open 3 Discharge high voltage capacitor 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 covers...

Page 4: ...se 3 Never interfere with the proper operation of any safety device 4 USE ONLY REPLACEMENT PARTS CATALOGED FOR THIS APPLIANCE SUBSTITUTIONS MAY DEFEAT COMPLIANCE WITH SAFETY STANDARDS SET FOR HOME APPLIANCES 5 GROUNDING The standard color coding for safety ground wires is GREEN or GREEN with YELLOW STRIPES Ground leads are not to be used as current carrying conductors It is EXTREMELY important tha...

Page 5: ...he 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 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 3 Set the cooking control on Full P...

Page 6: ... KB 3425LS K W KB 4425LS K W NOTES ...

Page 7: ...ly 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 personnel DANGER Certaininitialpartsareintentionallynotgroundedandpresent a risk of electrical shock only during servicing Service personnel Do no...

Page 8: ... 8 Height 36 Depth 27 7 8 Cooking Cavity Dimensions Width 22 5 8 Height 15 13 16 3 6 Cubic Feet Depth 18 Cook Top Heating Elements Two 6 1200W One 8 2000W One 6 9 1200 2400W One 6 100W Control Complement Touch Navigation System Clock 1 00 12 59 Timer 0 99 min 99 seconds Kitchen Timer Cooktop Warm Stop Clear Oven Light Start LOWER OVEN Oven Cavity Light 40W x 1 Safety Standard UL Listed Weight Appr...

Page 9: ... cooking time P 90 approx 90 of Full Power P 80 approx 80 of Full Power P 70 approx 70 of Full Power P 60 approx 60 of Full Power P 50 approx 50 of Full Power P 40 approx 40 of Full Power P 30 approx 30 of Full Power P 20 approx 20 of Full Power P 10 approx 10 of Full Power P 0 No power throughout the cooking time Kitchen Timer Cooktop Warm Stop Clear Oven Light Start LOWER OVEN Start Minute Plus ...

Page 10: ...he frame of the range Cut and discard the copper ground strap and plate KEEP the ground screw 4 Connect the green ground wire lead with the eyelet to the frame of the range with the ground screw using the same hole in the frame where the ground screw was originally installed See Figure 8 5 Make sure all screws are tightened securely and replace the rear access cover See Figure 6 3 WIRE CONNECTION ...

Page 11: ...in relief clamp must be installed at this location It requires 1 3 8 inches 3 5 cm diameter cord kit hole Connect green insulated copper ground wire with ground screw here Cut ground strap Discard ground strap ground plate Connect neutral white or center here Connect line 1 here Connect line 2 here b l a c k Note Install strain relief clamp Center or white wire must always be attached to the cente...

Page 12: ...ge Failure to install the Anti Tip bracket will allow the range to tip over if excessive weight is placed on an open door or if a child climbs upon it Serious injury might result from spilled hot liquids or from the range itself If range is ever moved to a different location the Anti Tip bracket must also be moved and installed with the range Instructions are provided for installation in wood or c...

Page 13: ...13 KB 3425LS K W KB 4425LS K W KB 3425LS ...

Page 14: ...R SURFACE ELEMENT H1 4 P L1 P2 L2 P1 1b H RR LR RF LF 2b S 1b H 2b S 1b H 2b S 1b H 2b S OVEN THERMAL CUT OUT MG THERMAL CUT OUT CM RY9 CONV MOTOR D1 D5 D3 C3 C7 C5 E6 E5 E3 RY6 SECONDARY INTELOCK SWITCH VOLTAGE SWITCH DM MICROWAVE DRAWER DOOR OPEN CLOSE MOTOR DOOR POSITION SWITCH FRONT M14 M13 DOOR POSITION SWITCH REAR BOTTOM HEATER OVEN THERMAL CUT OUT THERMAL OVEN A2 A4 A6 A1 M1 DOOR SENSING SW...

Page 15: ...2 L2 P1 1b H RR LR RF LF 2b S 1b H 2b S 1b H 2b S 1b H 2b S 2a 2a 2a 2a 1a 2 P1 4 PROTECTOR LEFT FRONT SURFACE ELEMENT 1a 2 P1 4 PROTECTOR RIGHT REAR SURFACE ELEMENT 1a PROTECTOR 1a 2 P1 4 PROTECTOR WARMER SURFACE ELEMENT L2 BLK YLW BLK YLW WHT BLK ORG RED YLW RED RED BLK WHT WHT RED BRN RED YLW RED RED YLW ORG YLW YLW WHT YLW RED YLW RED RED RED BLK BLK BLK RED RED RED YLW YLW YLW YLW YLW WHT YLW...

Page 16: ...OM N O COM C1 E2 E1 RY11 CONTROL UNIT M6 N1 N2 N3 N4 N5 M7 MICROWAVE DRAWER SWITCHING POWER SUPPLY UNIT N OVEN THERMAL CUT OUT MG THERMAL CUT OUT SECONDARY INTELOCK SWITCH VOLTAGE SWITCH DM MICROWAVE DRAWER DOOR OPEN CLOSE MOTOR DOOR POSITION SWITCH FRONT M14 M13 DOOR POSITION SWITCH REAR B A2 A4 A6 A1 M1 DOOR SENSING SWITCH M3 F3 F2 F1 RY B RY C L2 L1 LOW VOLTAGE TRANSFORMER RED RED BLK BLU BLK B...

Page 17: ... LOCK MOTOR SWITCH THERMISTOR M11 M10 M9 M8 M4 DOOR SWITCH M5 CONTROL UNIT OVEN L1 N CM RY9 CONV MOTOR D1 D5 D3 C3 C7 C5 E6 E5 E3 RY6 BOTTOM HEATER OVEN THERMAL CUT OUT THERMAL OVEN RY B RY C BLK RED RED BLK RED YLW RED BLK ORG ORG BRN BRN BLK WHT WHT YLW WHT WHT ORG RED BLU WHT YLW WHT BRN RED BLK GRY BLK WHT WHT BLU BLK RED RED BLK RED WHT WHT BLK BLK BLK BLK WHT BLK RED ORG ...

Page 18: ...times a pad produces no signal If the Keyboard unit is defective 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 Replace the Keyboard unit 5 Reconnect all leads removed from components during testing 6 Re install the covers 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and chec...

Page 19: ...vection heater C RELAY TEST 1 Disconnect the power supply cord and then disassemble as per OVEN MICROWAVE DRAWER 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 TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST B KEYBOARD UNIT TEST 1 Disconnect the power sup...

Page 20: ...ace power unit 5 Make a visual inspection of the varistor Check for burned damage If the varistor has been burned replace the power unit 6 Examine the touch control transformer with a tester for the presence of layer short circuit check the primary coil resistance which is approximately 60Ω 10 If any abnormal condition is detected replace the touch control transformer 7 Reconnect all leads removed...

Page 21: ... at room temperature 7 Avoid using aerosol sprays or cleaning solvents near the oven while using Sensor settings The sensor will detect the vapor given of by the spray and turn off before food is properly cooked 8 If the sensor has not detected the vapor of the food ERROR will appear and the oven will shut off Water load cooking test WARNING The oven should be fully assembled before following proc...

Page 22: ...ds to the primary of the power transformer 7 Ensure that these leads remain isolated from other components and oven chassis by using insulation tape 8 After that procedure re connect the power supply cord 9 Check the sensor cook operation proceed as follows 9 1 Close the door 9 2 Touch the UPER MICROWAVE OVEN pad pad pad START MINUTE PLUS pad and the SENSOR LOAD pad on the LCD And touch the number...

Page 23: ...ements and standard infinite switches pro vide an infinite choice of heat settings for cooking Con trols are safety type and must be pushed in before turn ing All surface controls are marked on the control panel for their respective heating element Power is supplied to the surface elements through the infinite switch con tacts P2 4 and P1 2 During actual surface element operation if the control is...

Page 24: ... an infinite choice of heat settings for cooking and two selection of element sizes Controls are safety type and must be pushed in before turning All surface controls are marked on the control panel for their respective heating element When the knob is turned clockwise less than 180 de grees contacts P2 to 4 P2 to 4A and P1 to 2 closes providing power to both elements When the knob is turned count...

Page 25: ...r reads line to line voltage the element is defective Inner element doesn t heat but outer element does Checking the system with a Voltmeter if the inner ele ment does not heat but the outer element does 1 Remove the back panel of the backguard to expose the switch terminals 2 With the switch turned clockwise to the high position measure the voltage drop between terminals 4 and 2 If the meter read...

Page 26: ...r the digital read out countdown 3 Remove the cup from the oven and again measure the temperature making sure to stir the thermometer or thermocouple through the water until the maximum temperature is recorded 4 Subtract the cold water temperature from the hot water temperature The normal result should be 28 ο to 54 ο F 16 ο to 30 ο C rise in temperature If the water temperatures are accurately me...

Page 27: ...ontacts fail in the open position and the door is closed the cooling fan motor stirrer motor and oven light will be activated by RY1 K STOP SWITCH TEST L MONITOR SWITCH TEST 1 Disconnect the power supply cord 2 Open the drawer and keep it open 3 To discharge high voltage capacitor wait for 60 seconds 4 Before performing this test make sure that the secondary interlock switch according to the above...

Page 28: ...s the resistance of the filament coil should be less than 1 ohm 5 Reconnect all leads removed from components during testing 6 Reassemble the unit 7 Reconnect the power supply cord 8 Run the oven and check all functions HIGH VOLTAGES ARE PRESENT AT THE HIGH VOLTAGE TERMINAL SO DO NOT ATTEMPT TO MEASURE THE FILAMENT AND HIGH VOLTAGE 2 Open the drawer and block it open 3 To discharge high voltage ca...

Page 29: ...er to compose a basic standard time in the clock circuit Symbol Voltage Application VC 5V LSI IC1 12 Relay Circuit A circuit to drive the magnetron fan motor stirrer motor convection motor door lock motor bottom heater top heater convection heater and light the oven lamp 13 Buzzer Circuit The buzzer is responsive to signals from the LSI to emit audible sounds key touch sound and completion sound 1...

Page 30: ... be input into P90 8 BYTE IN Connected to VCC1 9 CNVSS IN Power source voltage 0V GND The power source vpltage to drive the LSI IC 1 is input Connected to GND 10 P87 OUT Memory EEPROM clock out 11 P86 IN OUT Memory EEPROM data input output 12 RESET IN Auto clear terminal Signal is input to reset the LSI to the initial state when power is applied Temporarily set to L level the moment power is appli...

Page 31: ...e circuit absolute humidity sensor 31 33 A67 A65 OUT Turminal not used 34 P64 IN To input signal which communicates the oven door open close information to LSI Door open H level signal 5V Door close L level signal GND 35 TXD0 IN Signal coming from key unit 36 RXD0 IN Signal coming from key unit 37 P61 OUT Signal to reset LSI Signal is output to reset IC 2 IC 3 and IC 4 38 P60 IN Signal coming from...

Page 32: ...cook top warmer OFF 58 P34 OUT Oven convection motor driving signal To turn on and off relay RY9 H level During convection motor ON L level During convection motor OFF 59 61 A11 A9 OUT Turminal not used 62 VCC2 IN Power source voltage 3 3V The power source voltage to drive the LSI IC 1 is input to VCC2 terminal 63 A8 OUT Turminal not used 64 VSS IN Power source voltage 0V GND VS voltage of power s...

Page 33: ...cordance wityh the Model in operation is applied to set up its cooking constant 93 AN3 IN Input signal which inform the drawer door is in the middle position between the opened position and the closed position to LSI from the door position switch rear 94 AN2 IN Input signal which communicates the oven door locked information to LSI Door unlocked H level signal 5V Door locked L level signal 0V 95 A...

Page 34: ...uch a way as to change the resistance values in parallel with R45 R49 Changing HUMIDITY SENSOR CIRCUIT the resistance values results in that there is the same potential at both F 3 terminal of the absolute humidity sensor and AN5 terminal of the LSI The voltage of AN6 terminal will indicate about 2 5V This initial balancing is set up about 16 seconds after the unit is put in the Sensor Cookingmode...

Page 35: ...35 KB 3425LS K W KB 4425LS K W IC 7 IC 8 OVEN TEMPERATURE SELF CLEANING CONTROL CIRCUIT ...

Page 36: ...36 KB 3425LS K W KB 4425LS K W OVEN DOOR LOCK MOTOR CONTROL CIRCUIT ...

Page 37: ...37 KB 3425LS K W KB 4425LS K W OVEN DOOR LOCK MOTOR DETECTION CIRCUIT ...

Page 38: ...n itself is so short that the two can t be separated For those models check and repair all the controls sensor related ones included of the touch control panel while keeping it connected 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 it is possible to check and repair ...

Page 39: ...tin lead alloy solder it is recommend that a dedicated bit is used and that the iron temperature is adjusted accordingly 3 Soldering As the melting point of lead free solder Sn Ag Cu is higher and has poorer wettability flow to prevent damage to the land of the PWB extreme care should be taken not to leave the bit in contact with the PWB for an extended period of time Remove the bit as soon as a g...

Page 40: ...anel Mold to left to unlock and lift Fig 2 8 Remove Gasket from Key Fixing Angle Fig 3 9 Lift Key Fixing Mold and carefully unhook all Molex s ground wire and C P wiring Fig 3 WARNING Follow all safety precautions beginning on Page 2 before proceeding Fig 2 Fig 3 NOTE When reassembling it is very important that all Cook Top wires are tucked under the Microwave cavity lip and secured with the RED W...

Page 41: ...Cook Top forward to unlock from shoulder screws then remove or reposition Fig 5 KB4425L Before you can Slide the Cook Top forward to unlock it from shoulder screws you must remove one screw from each right and left slide angle Fig 5A This is done by removing the 3 screws holding the back panel to the side panels Fig 6 then carefully swing the back of the side panel out to gain access to the screw ...

Page 42: ...SS OVEN COMPONENTS Fig R 1 screw Air Duct Back Plate At this point you will have access to all parts of the Microwave and Oven 14 Remove screws from Microwave top Air Duct and take off Fig 7 15 Remove all screws from Microwave Back Plate Fig 7 16 Lift Back Plate and remove carefully not to damage any wires Fig 7 The Microwave Back Plate cannot be completely removed due to wiring If you need to rem...

Page 43: ...the upper and lower position of the latch hook should be less than 0 5mm The vertical position of the latch hook should be adjusted so that the secondary interlock switch is activated with the drawer closed The horizontal position of the latch hook should be adjusted so that the monitor switch and drawer sensing switch are activated with the drawer closed 8 Secure the screws with washers firmly 9 ...

Page 44: ...h secondary interlock switch and monitor 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 servicing make sure of the following 1 Drawer latch heads smoothly catch latch hook through latch holes and that latch head goes through center of latc...

Page 45: ...NT SWITCH ANGLE REMOVAL Fig S 1 Fig S 2 ACTUATOR REMOVAL ADJUSTMENT 1 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 Locate either the right or left actuator and remove the 2 screws holding the actuator to the door support angles 5 Replace with the new actuator Fig A 3 Actuator adjustme...

Page 46: ...r gear is now free 7 Proceed in reverse to reinstall the Auto Drawer Gear taking care that the gear teeth are set into the cavity angle correctly Fig G 1 RACK GEAR REMOVAL 1 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 Remove the Microwave Drawer by following steps 1 2 5 8 9 10 as ins...

Page 47: ...e door toward you while rotating the top of the door toward the range to completely disengage the hinge levers Fig O 3 5 Proceed in reverse to reinstall the door 6 Make sure the hinge supports are fully engaged before unlocking the hinge levers OVEN DOOR RECEPTACLE HINGE AND HINGECOVER REPLACEMENT 1 Disconnect the power supply cord 2 Refer to the disassembly instructions as previously stated 3 Rem...

Page 48: ...tructions as previously stated 3 Disconnect the wires by removing 2 nuts from element Fig O 7 4 Remove the 2 screws holding the element from inside the oven Fig O 8 5 Pull the Element into the oven 6 Proceed in reverse to reinstall the Broil Element Fig O 5 Fig O 7 THERMISTOR REMOVAL 1 Disconnect the power supply cord 2 Refer to the disassembly instructions as previously stated 3 Unhook rear Molex...

Page 49: ...Blower Motor to the Rear Plate 6 The Blower Motor is now free 7 Proceed in reverse to reinstall the Blower Motor Fig O 11 LOCK MOTOR REMOVAL 1 Disconnect the power supply cord 2 Refer to the disassembly instructions as previously stated 3 Unhook all wiring from Lock Motor Fig O 12 4 Remove the 2 screws holding the Lock Motor to the Rear Plate 5 Pull Lock Motor from Lock Motor Shaft 6 The Lock Moto...

Page 50: ...r on from inside the oven Fig C 13 5 Remove the 2 screws holding the convection heater in place if necessary Fig C 14 6 Unscrew the convection fan nut by turning it clockwise Fig C 14 7 Once the convection blade is removed unscrew the 4 screws holding the convection motor in place Fig C 15 8 The Lock Motor is now free 9 Remove the E retaining clip and 2 washers holding the impeller blade on to the...

Page 51: ...e down glass side down on a protective surface to prevent scratching Fig O 13 4 Remove the 10 screws from Bottom Plate and place to the side 5 Remove Heater Protect Cover Fig O 14 6 Remove necessary spring strap from Radiant Element 7 Unhook Radiant Element or Hot Surface Indicator wiring 8 The Radiant Elements are now free 9 Proceed in reverse to reinstall the Radiant Elements and or Hot Surface ...

Page 52: ...F LF LF LF RF RF RF L2 1 2 3 4 5 6 7 8 9 10 11 BLK WHT RED WHT WHT BLK WHT WHT w BRN STRIPE or BRN WHT VLR 12V TO COOKTOP HARNESS L1 L2 4 RF 4a RF H1 RR H1 LF H1 LR 2 RF H2 RR H2 LF H2 LR H2 RR H1 RR L2 RR L1 RR RED YLW L1 LR L2 LR H2 LR H1 LR RF RF RF S2 P RF RR YLW S1 RF P LF P LR 1 2 3 4 5 6 BLK BLK BLK RED RED RED RED WHT RED L1 L1 L1 L2 L2 L2 GRN GRN YLW YLW YLW YLW YLW P P WHT or w YLW STRIP...

Page 53: ...T FRONT SMALL LEFT REAR LARGE 1 ZONE 1 ZONE LR LF WHT 2a P1 BLK YLW YLW YLW BLU BRN 2a P1 WHT YLW BLK YLW BLU BLK RIGHT FRONT LARGE RIGHT REAR SMALL 2 ZONE 1 ZONE RF RR YLW 2a 1b BRN YLW YLW WHT BLK BLU 2b 2b BLU BLK RED YLW P1B WHT YLW BLU BRN L2 RF LF LR RR 2a 1b P1A 1 2 3 4 5 6 7 8 9 10 11 P1 1b 2b 1b 2b BLK WHT RED WHT WHT BLK WHT BRN YLW WHT BRN L1 L2 4 RF 4a RF H1 RR H1 LF H1 LR H2 RF H2 RR ...

Page 54: ...R ORG EX EX EX EX EX EX EX EX ORG ORG EX EX RED BLK HVT BACK CENTER FRONT TO PWB CND TO PWB CNE TO PWB CNC JST VHR 7N JST VHR 5N JST VHR 7N JST VHR 4N EARTH JST VLP 12V JST VLP 06V RY 2 RY 3 RY 1 COM N O COM COM N O N O BLK ORG RED RED NOISE FILTER FAN MOTOR TO PWB CNB EX JST XAP 05V 1 JST XMR 04V OVEN THERMAL CUT OUT STIRRER MOTOR WHT ORG OVEN LAMP TO CPU CNN 5 HARNESS TO COOKTOP TO CPU HARNESS 1...

Page 55: ...JST XMP 04V TO DRAWER HARNESS BRN GRY BRN GRY TO CPU CNM BLK BLK BLK BLK BLK WHT BLK BLK BLK BLK BLK TO CPU CNL 6 5 4 3 2 1 4 3 1 2 WHT GRN 6 5 4 3 2 1 RED RED ORG ORG BLK RED BRN YLW GRN RED BLK YLW BRN WHT ORG ORG WHT GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY WHT 8 7 4 2 1 3 5 6 12 11 10 9 7 4 2 1 3 5 6 15 14 13 12 11 10 9 8 7...

Page 56: ...25LS K W RANGE POWER SUPPLY WIRING DIAGRAM SHRINK TUBE NO 07 NO 08 VERSAFIT V2 BLK RED LEFT L1 RIGHT L2 BLK RED BLK BLK BLK RED RED RED 6 5 3 1 2 4 INFINITE SWITCH HARNESS BLK BLK BLK RED RED RED TERMINAL JST VLP 6V UL TAPE ...

Page 57: ...CONVECTION HEATER BOTTOM HEATER JST VLR 12V TO DRAWER HARNESS RED RED BLK RED BLK ORG RED BRN RED BLK YLW WHT 8 7 4 2 1 3 5 6 9 10 11 12 TO DRAWER HARNESS JST VLR 06V RED RED WHT BLK 3 1 2 BRN BLK 6 4 5 L2 N L1 1 2 3 4 5 6 VOLTAGE SW COM VOLTAGE SW N C VOLTAGE SW N O JST VLR 06V TO DRAWER HARNESS DOOR SW N O DOOR SW COM LOCK MOTOR SW COM LOCK MOTOR SW N O LOCK MOTOR SW N C THERMISTOR THERMISTOR 7 ...

Page 58: ...4 H 5 H 6 H 7 H 8 H 9 H 10 H 11 H 12 Transformer AC 120V 60Hz POWER TRANS FORMER OL SM DRAWER COM OVEN COM TOP H BOTTOM HEATER RELAY CONVECTION HEATER RELAY 24V 0V DRAWER FM FM OL OVEN OVEN OVEN LOCK MOTOR 0 1uF 50V NOTE IF NOT SPECIFIED 1SS270A 10G471K HZ20 1 DU18D1 1P M R S R2 150 1W CN C CN E CN J CN H KTC1027 DU18D1 1P M R DU18D1 1P M R DU18D1 1P M R 150 1W 150 1W R3 R4 E 7 H 15 D14 RY10 D 5 D...

Page 59: ...59 KB 3425LS K W KB 4425LS K W 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 750 10KF Figure S 3 Control Unit Circuit ...

Page 60: ...Printed Wiring Board of Power Unit Q P W B F A 8 4 4 D R Z Z FA844 S 0 4 7 0 8 1 CNE 1 7 1 6 RY4 RY2 RY6 RY7 RY8 VRS1 D13 CNA CNJ 1 6 RY5 RY1 D9 D10 D8 R2 R3 R1 C1 C2 D16 D17 D15 RY11 RY10 D14 D18 D4 D1 D3 D2 ZD1 15 CNH R4 3 CNB FUSE 2 5A 1 1 D11 D12 D7 Q1 E C B 1 5 7 CNC RY3 RY9 CND D5 D6 3 1 2 DIP ...

Page 61: ...07 R125 C111 R130 R129 R132 R117 R118 R28 R27 TH1 R26 R27 R32 G8W1 C29 C28 C27 C26 C25 R31 C19 C18 LD3 LD4 LD5 LCD1 1 1 11 IC2 IC3 R101 R102 R103 R104 R105 R100 LD10 Q25 R68 R30 R22 R17 R16 D22 D21 1 R16 Q97 Q95 R98 R99 R96 R95 D97 R97 R58 R57 C52 R54 R53 R64 R66 R67 R65 R51 R45 R46 R47 R48 R49 R61 R56 R55 D20 D40 D41 C43 C17 R44 R43 R7 ZD2 C7 R50 R52 R42 R41 C42 C41 C40 D40 R60 R63 R62 D96 R18 R1...

Page 62: ... C74 C70 C81 R76 R72 R73 R77 R78 R79 C78 C75 C77 C76 R74 C75 34 44 C72 IC44 33 23 11 22 2 6 1 5 CNG 1 12 R97 R86 R85 R84 R83 R82 R81 R80 R71 R89 C73 CF4 R90 R93 R91 R92 C71 Control lock On Set Off On Off 1 2 3 4 5 6 7 8 0 9 Kitchen Timer Cook top Warm Setup Stop Clear Stop Clear Oven Light Lower Oven START OPEN CLOSE START UPPER MICROWAVE Minute Pluse OVEN ...

Page 63: ... Screw 6 AA 1 13 XCTSF50P12000 M Optional oversized screw 6 AA 1 14 PSEL B001MRE0 M Gasket dark gray 1 AN 1 15 FUNTKB436MRK0 M Glass key unit KB3425LS KB3425LK KB4425LS KB4425LK 1 BP 1 15 FUNTKB443MRK0 M Glass key unit KB3425LW KB4425LW 1 BP 1 16 HDECQB001MRR0 M Glass key deco KB3425LS KB4425LS 1 AK 1 16 HDECQB056MRR0 M Glass key deco KB3425LK KB4425LK 1 AK 1 16 HDECQB057MRR0 M Glass key deco KB34...

Page 64: ...C D E F G H A B C D E F G H CONTROL PANEL CONTROL PANEL HARNESS 1 7 1 7 1 7 1 5 1 1 1 12 1 8 1 8 1 16 1 12 1 19 1 2 1 11 1 14 1 11 1 12 1 12 1 14 1 18 1 17 1 17 1 14 1 10 1 15 1 3 1 4 1 6 1 18 1 13 1 13 Actual wire harness may be different from illustration 1 9 ...

Page 65: ...ss assy KB4425LW 1 CC 2 7 PFPF B009MRE0 M Heat protect 1 AH 2 8 PCOVPB158MRP0 M Heat protect cover 1 AP 2 9 MLEVPB018MRE0 M 6 spring strap 2 AH 2 10 MLEVPB020MRE0 M 8 spring strap 1 AH 2 11 MLEVPB021MRE0 M 9 spring strap 1 AH 2 12 XOTS740P12000 M Screw 25 AA 2 13 LX CZB027MRE0 M Shoulder screw 4 AA 2 14 HDEC B038MRY0 M Backsplash KB3425LS 1 BV 2 14 HDEC B034MRT0 M Backsplash KB3425LK 1 BS 2 14 HDE...

Page 66: ...A B C D E F G H Actual wire harness may be different from illustration 2 1 2 2 2 4 2 5 2 11 2 9 2 4 2 9 2 3 2 10 2 15 2 16 2 7 2 8 2 13 2 12 2 12 2 13 2 6 2 12 2 12 KB4425L KB3425L 2 19 2 20 2 19 2 21 2 18 Front view 2 12 2 17 2 14 2 12 2 6 Rear view Rear view COMMON PARTS ...

Page 67: ...K 3 25 FC QZB048MRK0 M HVC assy 1 AP 3 26 LBNDKB007MRP0 M HVC band 1 AB 3 27 LX BZA041WRE0 M Screw 20 AA 3 28 XOTS740P12000 M Screw 179 AA 3 29 LANGTB156MRP0 M Partition angle L 1 AK 3 30 LANGQA581WRPZ M Noise unit angle 1 AD 3 31 XJTS740P16000 M Screw 4 AA 3 32 XOTSD40P12RV0 M Power unit assy screw 4 AA 3 33 DDORFB099MRK0 M Door assy KB3425LS KB4425LS 1 BR 3 33 DDORFB100MRK0 M Door assy KB3425LK ...

Page 68: ... screw 6 AA 3 62 RMOTDA262WRZZ M Stirrer motor 1 AH 3 63 TCAUHB009MRR0 M User caution label 1 AA 3 64 FANGTB017MRK0 M Auto drawer gear assy 1 BK 3 65 LANGTB105MRP0 M Switch angle 2 AE 3 66 MACT B001MRF0 M Actuator R 1 AD 3 67 MACT B002MRF0 M Actuator L 1 AD 3 68 DPWBFC526WRKZ M SW power supply 1 CM 3 69 NGERRB005MRF0 M Rack gear 2 AQ 3 70 PCUSUB088MRP0 M Cushion 1 AC 3 71 LHLD B033MRF0 M Switch PS...

Page 69: ...0 3 17 3 18 3 10 3 8 3 7 3 29 3 5 3 53 3 52 3 50 3 51 3 49 3 48 3 40 3 22 3 1 3 15 3 24 3 25 3 26 3 62 3 44 3 45 3 30 3 56 3 46 3 11 3 14 3 21 3 21 3 60 3 34 3 59 3 33 3 58 3 13 3 18 3 31 3 31 3 28 3 32 3 42 3 28 3 32 3 41 3 41 3 42 3 42 3 41 3 28 3 28 3 28 3 28 3 61 3 28 3 28 3 27 3 28 3 28 3 27 3 42 3 28 3 28 3 28 3 32 3 28 3 61 3 28 3 28 3 28 3 28 3 28 3 28 3 28 3 28 3 10 3 10 3 28 3 10 3 28 3 ...

Page 70: ...DB009MRP0 M Rear plate 1 BE 4 30 QCNCYB001MRE0 M Terminal block kit 1 AK 4 31 FANG B003MRE0 M Latch motor assy 1 AZ 4 32 LANGQB066MRP0 M Ground plate 1 AD 4 33 LX BZA041WRE0 M Screw 20 AA 4 34 TCAUAB057MRR0 M Anti tip label 1 AA 4 35 XTTSD40P30000 M Terminal screws 2 AA 4 36 LBNDKB012MRP0 M Element support hanger 2 AD 4 37 RHET B006MRE0 M Top heater 3000 W 1 AX 4 38 RHET B009MRE0 M Bottom heater 2...

Page 71: ... 4 28 4 31 4 17 4 10 4 2 4 24 4 34 4 1 4 23 4 4 4 25 4 19 4 30 4 41 4 14 4 21 4 48 4 29 4 43 4 11 4 13 4 12 4 46 4 20 4 16 4 22 4 15 4 18 4 8 4 9 4 5 4 9 4 8 4 38 4 37 4 36 4 44 4 27 4 27 4 27 4 27 4 35 4 27 4 39 4 33 4 27 4 27 4 27 4 39 4 45 4 45 4 39 4 39 4 39 4 39 4 39 4 6 4 7 4 49 4 49 4 53 4 51 4 54 4 39 4 52 4 39 4 50 4 39 x8 4 3 4 56 4 55 4 57 4 27 4 27 4 27 4 59 4 58 4 32 4 60 4 61 ...

Page 72: ...1 DDORFB107MRK0 M Door assy KB3425LS KB4425LS 1 BY 5 1 DDORFB106MRK0 M Door assy KB3425LK KB4425LK 1 BY 5 1 DDORFB105MRK0 M Door assy KB3425LW KB4425LW 1 BY 5 2 PPACGB021MRE0 M Oven door seal gasket 1 AW 5 3 JHNDPB053MRF0 M Door handle KB3425LS KB4425LS 1 BB 5 3 JHNDPB056MRF0 M Door handle KB3425LK KB4425LK 1 BB 5 3 JHNDPB057MRF0 M Door handle KB3425LW KB4425LW 1 BB 5 4 XOTWW40P10000 M Screw 2 AA ...

Page 73: ...73 KB 3425LS K W KB 4425LS K W 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 DOOR 5 1 5 3 5 2 5 4 5 4 5 5 ...

Page 74: ... 6 1 UAMI B018MRM0 M Rack 1 AS 6 2 PSLD B001MRE0 M Broiler pan insert 1 AW 6 3 PSRAHB001MRE0 M Broiler pan 1 AW 6 4 TINSEB437MRK0 M Operation manual 1 AM 6 5 TINSEB438MRR0 M Installation sheet KB3425L 1 AD 6 5 TINSEB455MRR0 M Installation sheet KB4425L 1 AE 6 6 FAMI B007MRK0 M Extended rack assy 2 BM 6 7 FANGKB024MRK0A M Anti tip kit 1 AV 6 8 TINSEB392MRR0 M Anti tip template 1 AD 6 9 UAMI B017MRM...

Page 75: ...SUPPORT CORNERS EXTENDED RACK ASSY x 2 BOILER PAN INSTALLION MANUAL OPERATION MANUAL ANTI TIP TEMPLATE ANTI TIP KIT PACKING CASE Non replaceable items OVEN RACK 6 7 6 1 6 8 6 4 6 5 6 6 6 3 BOILER INSERT 6 2 BOILER PAN RACK 6 9 KB 3425L Shown ...

Page 76: ...COPYRIGHT 2006 BY SHARP CORPORATION ALL RIGHTS RESERVED Nopartofthispublicationmaybereproduced 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 ...