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Sharp KB-6015KK, Руководство по обслуживанию

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42

KB-6015KS
KB-6015KK
KB-6015KW

2005 SHARP CORP. (5R2.00E) Printed in U.S.A

COPYRIGHT © 2005 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,
or otherwise, without prior written permission
of the publisher.

Содержание KB-6015KK

Страница 1: ...ossibly fatal electrical shock High Voltage Capacitor High Voltage Power Transformer High Voltage Rectifier and Heat sink etc and Magnetron High Voltage Harness etc S25M246KB6015 KB 6015KS KB 6015KK KB 6015KW 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 COVE...

Страница 2: ...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 Microwav...

Страница 3: ...remove 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 co...

Страница 4: ...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 Power Cooking Mode 4 Close the drawer an...

Страница 5: ...t 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 not contact the following parts while the applian...

Страница 6: ...wer throughout the 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 START MINUTE PLUS pad Defrost pad Number selection pad Micro warm ...

Страница 7: ...ided When installing this appliance observe all applicable codes and ordinances Where a two pronged wall receptacle is encountered it is the personal responsibility and obligation of the customer to contactaqualifiedelectricianandhaveitreplacedwithaproperlygroundedthree prongedwallreceptacleorhaveagrounding adapter properly grounded and polarized If the extension cord must be used it should be a 3...

Страница 8: ...ults The circuits to the stir fan motor the cooling fan motor and the high voltage components are de energized the oven lamp remains on andthedigitalread outdisplaysthetimestillremaining in the cook cycle when the door was opened 7 The monitor switch electrically monitors the operation of the secondary interlock switch and secondary interlock relay and is mechanically associated with the drawer so...

Страница 9: ... power Cooking Sequence 1 Touch one of the SENSOR pads NOTE The oven should not be operated on sensor immediately after plugging in the unit Wait two minutes before cooking on SENSOR 2 The coil of shut off relay RY 1 is energized 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 microwaveenergyisproducedandfirsts...

Страница 10: ...EN THERMAL CUT OUT MG THERMAL CUT OUT SECONDARY INTELOCK SWITCH MICROWAVE DRAWER DOOR OPEN CLOSE MOTOR DOOR POSITION SWITCH FRONT DOOR POSITION SWITCH REAR DOOR SENSING SWITCH A3 A1 B1 N O COM RY4 RY3 RY1 RY2 N O F1 F2 F3 A7 A5 M5 M4 M1 M3 N5 N4 N3 N2 N1 H9 E1 COM LINE BYPASS CAPACITOR 0 0033 μF 250V NOISE FILTER N L 120VAC 60 Hz LOW VOLTAGR FM OL SM DM N C COM COM N O H N WHT RED GND GRN WHT WHT ...

Страница 11: ... a pad produces no signal If the Keyboard unit is defective 1 Disconnect the power supply cord and then remove covers 2 Open the drawer 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 covers are installed 8 Run the oven and check all func...

Страница 12: ... 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 STOP CLEAR REHEAT 6 START MINUTE PLUS 1 2 7 SENSOR COOK SENSOR REHEAT DEFROST 9 8 3 4 OPEN SENSOR POPCORN KEEP WARM TIMER CLOCK CLOSE 0 5 POWER LEVEL SET UP CUSTOM HELP CONTROL LOCK ON OFF J 1 J 2 J 3 J 4 J 5 J 6 J 7 J 8 J 9 J 12 J 11 J 10 KEY UNIT CN J 1 Di...

Страница 13: ...it 7 Examine the touch control transformer with a tester for the presence of layer short circuit check the primary coil resistance which is approximately 151 6Ω 10 If any abnormal condition is detected replace the touch control transformer 8 Reconnect all leads removed from components during testing 9 Re install the outer case cabinet 10 Reconnect the power supply cord after the outer case is inst...

Страница 14: ...ng cup 2 Place the container on the center of tray in the oven cavity 3 Close the drawer 4 Touch the TIMER CLOCK pad once the POWER LEVEL pad twice and the START pad once And touch the number pads 1 once and the number pad 4 once Now the oven is in the sensor cooking condition and AH20 and ON will appear in the display 5 The oven will operate for the first 16 seconds without generating microwave e...

Страница 15: ...ok operation proceed as follows 9 1 Close the door Touch the TIMER CLOCK pad once the POWER LEVEL pad twice and the START pad once And touch the number pads 1 once and the number pad 4 once 9 2 The control panel is in the sensor cooking operation 9 3 After approximately 25 seconds push plunger of select switch for more than 3 seconds This condition is same as judgement by AH sensor 9 4 After appro...

Страница 16: ... a stop watch second hand of a watch or 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 th...

Страница 17: ...ents during testing 6 Reassemble the unit 7 Reconnect the power supply cord 8 Run the oven and check all functions NOTE If the stop switch contacts fail in the open position and the door is closed the cooling fan motor stirrer motor and oven light will be activated by RY1 J STOP SWITCH TEST K MONITOR SWITCH TEST 1 Disconnect the power supply cord 2 Open the drawer and keep it open 3 To discharge h...

Страница 18: ...T TO MEASURE THE FILAMENT AND HIGH VOLTAGE 1 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 for those switches before replacing the blown monitor fuse...

Страница 19: ...al state when power is supplied 5 Indicator Circuit A circuit to drive the Liquid Crystal Displays LCD1 6 Power Source Circuit This circuit generates voltages necessary in the control unit from the AC line voltage In addition the synchronizing signal is available in order to compose a basic standard time in the clock circuit Symbol Voltage Application VC 5V LSI IC1 7 Relay Circuit A circuit to dri...

Страница 20: ...rnal clock oscillation frequency control output Output to control oscillation input of Xin 14 VCC IN Power source voltage 5V VC voltage of power source circuit input 15 P60 IN Plus signal coming from the Microwave drawer door open close motor is input into P60 as revolution number 16 P37 IN Input signal which communicates the drawer door open information to LSI from the door position switch front ...

Страница 21: ...ttoP20 P23terminalwhileone of J 11 line key on matrix is touched 39 P15 OUT Key strobe signal Signalappliedtotouch keysection ApulsesignalisinputtoP20 P23terminalwhileone of J 10 line key on matrix is touched 40 P14 OUT Key strobe signal Signalappliedtotouch keysection ApulsesignalisinputtoP20 P23terminalwhileone of J 9 line key on matrix is touched 41 P13 OUT Key strobe signal Signalappliedtotouc...

Страница 22: ...INT0 IN Signal to synchronize LSI with commercial power source frequency This is the basic timing for all real time processing of LSI 61 AVSS IN A D converter power source voltage The power source voltage to drive the A D converter in the LSI 62 VREF IN Reference voltage input terminal A reference voltage applied to the A D converter in the LSI Connected to 5V 63 AN7 IN AH sensor input This input ...

Страница 23: ...n such a way as to change the resistance values in parallel with R45 R49 Changing the resistance values results in that there is the same HUMIDITY SENSOR CIRCUIT potential at both F 3 terminal of the absolute humidity sensor and AN6 terminal of the LSI The voltage of AN7 terminalwillindicateabout 2 5V Thisinitialbalancingis set up about 16 seconds after the unit is put in the Sensor Cooking mode A...

Страница 24: ...nel and the oven 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 ch...

Страница 25: ... 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 good flow is achieved The high content of tin...

Страница 26: ...ssembly 2 Hot parts Ovenlamp Magnetron Highvoltagetransformerand Oven cavity WARNING FOR WIRING 1 Disconnect the power supply cord 2 Make sure that a definite click can be heard when the microwave oven drawer is unlatched Hold the drawer in a closed position with one hand then pull the drawer open this causes the latch leads to rise it is then possibletoheara click asthedrawerswitchesoperate 3 Vis...

Страница 27: ...face Fig 1 2 Open the Drawer to access the 4 mounting screws holding the unit on to the wall or cabinet opening Fig 1 3 Close Drawer and carefully pull the unit out from opening and unplug the power supply cord 4 Remove top cover Fig 2 5 Remove air cover from back of unit then both side cabinets Fig 2 6 Remove exhaust duct and back plate Fig 2 NOTE You now have access to various components for the...

Страница 28: ...l parts of the Microwave Drawer 7 To remove the Control Panel Frame Assembly remove the 6 screws holding the CP frame to the C P angle in the back Fig 3 8 Unsnap the top C P frame assembly away from the C P frame and unplug all wires The C P frame assembly is now free Fig 3 ...

Страница 29: ... 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 Che...

Страница 30: ...o the following A Make sure that drawer sensing switch secondary interlock switch and monitor switch are operating properly Refer to chapter Test Procedures B An approved microwave survey meter should be used toassurecompliancewithpropermicrowaveradiation emission limitation standards After any servicing make sure of the following 1 Drawer latch heads smoothly catch latch hook through latch holes ...

Страница 31: ...ITCH ANGLE REMOVAL ADJUSTMENT 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 Relpace with the new actuator Fig A 3 Actuator ad...

Страница 32: ...er 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 in...

Страница 33: ...31 KB 6015KS KB 6015KK KB 6015KW MICROWAVE DRAWER WIRING DIAGRAM ...

Страница 34: ...RY2 COM N O D7 RY1 COM N O D10 RY3 D11 RY4 D12 RY5 H 1 H 3 H 2 H 4 H 5 H 7 H 6 AC 120V MICRO COM O L FM SM 0 1uF 50V NOTE IF NOT SPECIFIED 1SS270A 10G471K A 5 A 1 H 8 1 3 8 5 B 1 C10 C11 NOT INSERT PARTS T1 VR GND INT 0 1u 250V R10 1 2W 120 R11 1 2W 120 0 1u 250V A 7 A 3 B 3 SW Reg PWR D4 D3 D2 D1 H 9 H 11 K 1 K 3 K 2 K 8 502 3 E 3 K 4 K 6 K 5 K 7 J10 SW Reg OUT 24V J11 CN H CHECK POINTS ...

Страница 35: ...5 4 7K 10K 10K R58 C51 R55 R57 SP P62 P61 R36 IC 6 D19 D20 Q22 Q21 C20 C21 Q20 AN5 CF1 4MHz 1 2 3 7 5 6 CONTROL UNIT 4 7K R13 4 7K R12 P05 P51 P57 C3 S22 S23 SEG22 SEG23 COM2 10uF 35V VR GND INT 47K C5 C4 S24 R69 R68 3 3K 1 5K C3 R52 10uF 35V C8 KIA78L05BP Q4 O C I C7 C6 10uF 35V R8 NOTE IF NOT SPECIFIED 1 10W J CHIP KRA224S KRA117S 10uF 35V 200 1w x2 2W C12 CN K M 2 CN M KTC1027 KTC1027 AN4 K 4 0...

Страница 36: ... 2 3 A B C D E F G H A B C D E F G H Figure S 4 Printed Wiring Board of Power Unit 2 5A 3 1 2 FUSE T1 4 8 D3 ZD1 J10 RY1 D12 RY5 DIP CNH Q1 R1 D2 D1 1 11 D4 1 1 R10 C10 RY2 1 3 P 3 D11 D10 7 CNA CNB C11 R11 RY4 RY3 COM COM N O N O C1 C2 R3 J11 D7 D5 VRS1 ...

Страница 37: ...6 K SP C0 S0 S0 S24 C4 C5 R29 CF2 S24 C4 C5 C3 S0 C0 SP C90 C8 C6 C5 C3 C21 R27 R26 R28 C90 C90 R98 R96 R99 R95 D96 K D95 K D97 K Q97 R97 R41 J2 J1 J4 J6 K J3 C5 C6 D19 K D20 K ZD2 R7 1 1 8 6 Q26 WHA Q23 Q21 Q25 Q22 1 7 Q20 R8 Q4 C51 R56 R55 C22 C23 C52 R21 R24 R58 R20 R23 R57 R47 R48 R49 Q6 64 R45 49 48 33 17 32 R51 R52 R50 12 2 11 1 CNJ R40 R36 R38 R37 R35 IC5 IC6 C43 R44 R43 C42 Q96 Q95 LCD 5 1...

Страница 38: ...1 1 DPWBFB136MRU0 M Control unit 1 BY 1 2 FUNTKB444MRK0 M Key unit KB6015KS KB6015KK 1 AS 1 2 FUNTKB446MRK0 M Key unit KB6015KW 1 AS 1 3 FPNLCB502MRK0 M C P frame assy KB6015KS 1 AX 1 3 FPNLCB504MRK0 M C P frame assy KB6015KK 1 AX 1 3 FPNLCB505MRK0 M C P frame assy KB6015KW 1 AX 1 4 PCOVPB140MRP0 M C P cover 1 AM 1 5 PCUSGB059MRP0 M C P cushion 1 AB 1 6 LANGTB111MRP0 M C P angle 1 AM 1 7 XEPSD30P1...

Страница 39: ... M HVC band 1 AB 3 27 XCBSD30P08000 M Screw 3 AA 3 28 XOTSE40P12000 M Screw 79 AA 3 29 LANGTB114MRP0 M Partition angle L 1 AK 3 30 LANGQA581WRPZ M Noise unit angle 1 AD 3 31 XJTSD40P16000 M Screw 4 AA 3 32 XEPSD30P10XS0 M Power unit assy screw 2 AA 3 33 DDORFB098MRK0 M Door assy KB6015KS 1 BD 3 33 DDORFB102MRK0 M Door assy KB6015KK 1 BD 3 33 DDORFB103MRK0 M Door assy KB6015KW 1 BD 3 34 PSHEPB184MR...

Страница 40: ...User caution label 1 AA 3 64 FANGTB012MRK0 M Auto drawer gear assy 1 BH 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 DPWBFC441WRKZ M SW power supply 1 CM 3 69 NGERRB002MRF0 M Rack gear 2 BS 3 70 FROLPB029MRK0 M Door support roller assy 1 AG 3 71 LHLD B031MRF0 M Switch PSU holder 1 AC 3 72 LANGTB108MRP0 M Louver angle 1 AK 3 7...

Страница 41: ...26 3 62 3 44 3 45 3 30 3 56 3 46 3 11 3 14 3 13 3 18 3 32 3 42 3 32 3 41 3 41 3 42 3 42 3 41 3 28 3 28 3 28 3 28 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 28 3 28 3 28 3 28 3 28 3 28 3 28 3 28 3 10 3 10 3 10 3 28 3 6 3 6 3 38 3 4 3 66 3 67 3 65 3 65 3 28 3 28 3 70 3 5 3 69 3 27 3 27 3 64 3 28 3 68 3 71 3 55 3 46 3 28 3 40 3 49 3 28 3 28 3 28 3 28 3 53 3 53 3 28 3 59 3 61 3 21 3...

Страница 42: ...Δ Δ Δ 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 2 1 TINSEB416MRK0 M Operation manual 1 AM 2 2 TINSEB417MRR0 M Installation sheet 1 AD 2 3 XTPUW50P35000 M Wood screws 4 BC ...

Страница 43: ...5KS KB 6015KK KB 6015KW INSTALLION SHEET OPERATION MANUAL WOOD SCREWS 2 3 2 1 2 2 SUPPORT CORNERS PACKING CASE SUPPORT CORNERS SUPPORT CORNERS SUPPORT CORNERS BOTTOM COVER TOP COVER Non replaceable items PACKING ...

Страница 44: ...PYRIGHT 2005 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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