Sharp KB-3300J Service Manual

1KB-3300JSKB-3300JKKB-3300JWIn the interest of user-safety the unit should be restored to its original condition and only parts identical to those spe

8KB-3300JSKB-3300JKKB-3300JW208/240 VOLT CONNECTION INSTRUCTIONSThe range can be set for 208V or 240V. The voltage setting for your range is pre-set a

9KB-3300JSKB-3300JKKB-3300JW 3 Make sure all connections are tightened securely and replace the rear access cover. See Figure 7.GROUNDING INSTRUCTION

10KB-3300JSKB-3300JKKB-3300JW2 DRILL PILOT HOLES AND FASTEN BRACKET Drill a 1/8-inch pilot hole where screws are to be located. If bracket is to be m

11KB-3300JSKB-3300JKKB-3300JWKB-3300JSHI HILOMED MEDLOSMALL LARGEOFFCooktopHILOMEDOFFHILOMEDOFFHILOMEDOFFCooktopCONTROL PANELKEYSHEETMICROWAVEOVENHOT

12KB-3300JSKB-3300JKKB-3300JWSchematic-Off Condition㧿㧹㧻㧸㧲㧹㧮$㧾㨅㧝㧾㨅㧞㧾㨅㧡㪟㪬㪤㪠㪛㪠㪫㪰㩷㩷㩷㪪㪜㪥㪪㪦㪩㪥㪦㪠㪪㪜㩷㪪㪬㪧㪩㪜㪪㪪㪠㪦㪥㩷㪚㪦㪠㪣㪣㪠㪥㪜㩷㪚㪩㪦㪪㪪㩷㪚㪘㪧㪘㪚㪠㪫㪦㪩㩷㪈㪅㪇㱘㪝㩷㪉㪎㪌㪭㪣㪠㪥㪜㩷㪙㪰㪧㪘

13KB-3300JSKB-3300JKKB-3300JW㧿㧹㧻㧸㧲㧹㧮$㧾㨅㧝㧾㨅㧞㧾㨅㧡㪟㪬㪤㪠㪛㪠㪫㪰㩷㩷㩷㪪㪜㪥㪪㪦㪩㪥㪦㪠㪪㪜㩷㪪㪬㪧㪩㪜㪪㪪㪠㪦㪥㩷㪚㪦㪠㪣㪣㪠㪥㪜㩷㪚㪩㪦㪪㪪㩷㪚㪘㪧㪘㪚㪠㪫㪦㪩㩷㪈㪅㪇㱘㪝㩷㪉㪎㪌㪭㪣㪠㪥㪜㩷㪙㪰㪧㪘㪪㪪㩷㪚㪘㪧㪘㪚㪠㪫㪦㪩㪇㪅㪇㪇㪊㪊 㱘㪝㩷㪉

14KB-3300JSKB-3300JKKB-3300JWCOOK TOP SCHEMATIC (DETAIL)㪚㪦㪦㪢㩷㪫㪦㪧㪥㪥㪣㪈㪣㪉㪉㪧㪩㪦㪫㪜㪚㪫㪦㪩㪠㪥㪪㪠㪛㪜㪦㪬㪫㪪㪠㪛㪜㪚㪦㪥㪫㪩㪦㪣㪩㪠㪞㪟㪫㩷㪝㪩㪦㪥㪫㪪㪬㪩㪝㪘㪚㪜㪜㪣㪜㪤㪜㪥㪫㪋㪋㪸㪪㪉㪪㪈㪧㪉㪧㪈㪟㪉㪉㪸㪈㪸㪉㪧㪈㪉㪸㪈㪸㪉

15KB-3300JSKB-3300JKKB-3300JWMICROWAVE DRAWER SCHEMATIC (DETAIL)㧿㧹㧻㧸㧲㧹㧮$㧾㨅㧝㧾㨅㧞㧾㨅㧡㪟㪬㪤㪠㪛㪠㪫㪰㩷㩷㩷㪪㪜㪥㪪㪦㪩㪥㪦㪠㪪㪜㩷㪪㪬㪧㪩㪜㪪㪪㪠㪦㪥㩷㪚㪦㪠㪣㪣㪠㪥㪜㩷㪚㪩㪦㪪㪪㩷㪚㪘㪧㪘㪚㪠㪫㪦㪩㩷㪈㪅㪇㱘㪝㩷㪉

16KB-3300JSKB-3300JKKB-3300JWRANGE SCHEMATIC (DETAIL)㧮$㧲㧹㪚㪩㪦㪪㪪㩷㪝㪣㪦㪮㩷㪝㪘㪥㩷㪤㪦㪫㪦㪩㧻㧸㪦㪭㪜㪥㩷㪣㪘㪤㪧㪫㪦㪧㩷㪟㪜㪘㪫㪜㪩㪙㪦㪫㪫㪦㪤㪟㪜㪘㪫㪜㪩㧸㧹㪛㪦㪦㪩㩷㪣㪦㪚㪢㩷㪤㪦㪫㪦㪩㧺㧻㧚㧺㧻㧚㧯㧻㧹㧚㧯㧻㧹㧚㧾㨅㧣㧾

17KB-3300JSKB-3300JKKB-3300JWTEST PROCEDURESPROCEDURELETTERCOMPONENT TESTThe touch control panel consists of circuits including semiconductors such as

2KB-3300JSKB-3300JKKB-3300JWPRECAUTIONS TO BE OBSERVED BEFORE AND DUR-ING SERVICING TO AVOID POSSIBLE EXPOSURE TOEXCESSIVE MICROWAVE ENERGY(a) Do not

18KB-3300JSKB-3300JKKB-3300JW1. Disconnect the power supply cord, and then disassemble as per "OVEN/MICROWAVE DRAWERDISASSEMBLY" page 38.2.

19KB-3300JSKB-3300JKKB-3300JWTEST PROCEDURESPROCEDURELETTERCOMPONENT TESTWARNING : The oven should be fully assembled before following procedure.(1) P

20KB-3300JSKB-3300JKKB-3300JW9) Disconnect the power supply cord, and then remove the covers.10) Open the drawer and block it open.11) Discharge high

21KB-3300JSKB-3300JKKB-3300JWTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST9-2. Place the container on the center of tray in the oven cavity.9-3. Close

22KB-3300JSKB-3300JKKB-3300JWElement does not heat:Checking the system with a Voltmeter, if the elementdoes not heat up.1. Remove the back of the cont

23KB-3300JSKB-3300JKKB-3300JWbetween the switch and the element are open.If the meter reads line to line voltage theelement is defective.Element does

24KB-3300JSKB-3300JKKB-3300JWBoth elements do not heat:Checking the system with a Voltmeter, if the elementsdo not heat up:1. Remove the back panel of

25KB-3300JSKB-3300JKKB-3300JW1. Disconnect the power supply cord.2. Open the drawer and keep it open.3. To discharge high voltage capacitor, wait for

26KB-3300JSKB-3300JKKB-3300JWMMOONNIITTOORRSSWWIITTCCHHIINNTTEERRLLOOCCKKSSWWIITTCCHHSSEECCOONNDDAARRYY ((BBLLKK)) ((BBRRNN,

27KB-3300JSKB-3300JKKB-3300JWEE 6 (displayed when oven starts) - Oven Thermistor is open.Check thermistor or control unit.EE 7 (displayed when oven st

1KB-3300JSKB-3300JKKB-3300JW WARNING TO SERVICE PERSONNELRange units contain circuitry capable of producing very high voltage and current, conta

28KB-3300JSKB-3300JKKB-3300JWTOUCH CONTROL PANEL ASSEMBLYOUTLINE OF TOUCH CONTROL PANELThe touch control section consists of the following units.(1) K

29KB-3300JSKB-3300JKKB-3300JW1 AN5 IN Temperature measurement input: OVEN THERMISTOR.By inputting DC voltage corresponding to the temperature detected

30KB-3300JSKB-3300JKKB-3300JW37 P17 OUT Bottom heater relay driving signal.To turn on and off relay(RYB).“H” level: During bottom heater relay ON.“L”

31KB-3300JSKB-3300JKKB-3300JWPin No. Signal I/O Description57 P53 IN To input signal which communicates the oven door open/close information to LSI.Do

32KB-3300JSKB-3300JKKB-3300JW(1) Structure of Humidity SensorThe humidity sensor includes two thermistors as shownin the illustration. One thermistor

33KB-3300JSKB-3300JKKB-3300JWIC-7IC-8OVEN TEMPERATURE/SELF CLEANING CONTROL CIRCUIT

34KB-3300JSKB-3300JKKB-3300JWOVEN DOOR LOCK MOTOR CONTROL CIRCUIT

35KB-3300JSKB-3300JKKB-3300JWOVEN DOOR LOCK MOTOR DETECTION CIRCUIT

36KB-3300JSKB-3300JKKB-3300JW1. Precautions for Handling Electronic ComponentsThis unit uses CMOS LSI in the integral part of thecircuits. When handli

37KB-3300JSKB-3300JKKB-3300JWPRECAUTIONS FOR USING LEAD-FREE SOLDER1. Employing lead-free solderThe "Main PWB" of this model employs lead-fr

2KB-3300JSKB-3300JKKB-3300JWATTENTION!!!This service manual is intended for use by persons having electrical and mechanical trainingand a level of kno

38KB-3300JSKB-3300JKKB-3300JWControl KnobsRetainersGlass Key DecoIndicator LampsLensGND Deco ScrewOVEN / MICROWAVE DRAWER DISASSEMBLYFig. 11. Before

39KB-3300JSKB-3300JKKB-3300JWBack PanelSide PanelsSelect Switch12. Remove all screws on back panel and covers then remove side panels (Fig. 6).1

40KB-3300JSKB-3300JKKB-3300JWOVEN COMPONENT REMOVAL1. After dissaembly as stated on Pages 38 - 39, remove Microwave Drawer assembly by removing (2) sc

41KB-3300JSKB-3300JKKB-3300JW1. Disconnect the power supply cord.2. Open the drawer and keep it open.3. To discharge the high voltage capacitor, wait

42KB-3300JSKB-3300JKKB-3300JWDRAWER ASSEMBLY AND CHOKE REMOVAL1. Disconnect the power supply cord.2. Open the drawer and keep it open.3. To discharge

43KB-3300JSKB-3300JKKB-3300JWOVEN DOOR ASSEMBLY REMOVAL1. Disconnect the power supply cord.2. Open the door to the fully opened position (Fig. O-1).3.

44KB-3300JSKB-3300JKKB-3300JWOVEN BAKE ELEMENT REMOVAL1. Disconnect the power supply cord.2. Refer to the disassembly instructions found on Pages 38 -

45KB-3300JSKB-3300JKKB-3300JWBLOWER MOTOR REMOVAL1. Disconnect the power supply cord.2. Refer to the disassembly instructions found on Pages 38 - 40.3

46KB-3300JSKB-3300JKKB-3300JWCOOK TOP RADIANT HEATERS/HOT SURFACE INDICATOR REMOVAL1. Disconnect the power supply cord.2. Refer to the disassembly ins

47KB-3300JSKB-3300JKKB-3300JWCONTROL PANEL WIRING DIAGRAMWHTREDBLKINFINITE SWITCHES (RIGHT SIDE)PILOT LIGHT RIGHTINFINITE SWITCHES (LEFT SIDE)PILOT LI

3KB-3300JSKB-3300JKKB-3300JWMICROWAVE MEASUREMENT PROCEDUREA. Requirements:1) Microwave leakage limit (Power density limit): The power density of micr

48KB-3300JSKB-3300JKKB-3300JWCOOK TOP WIRING DIAGRAMSSUURRFFAACCEE LLAAMMPPSSRRIIGGHHTT FFRROONNTTLLAARRGGEERRIIGGHHTT RREEAARRSSMMAALLLLLLEEFFTT

49KB-3300JSKB-3300JKKB-3300JWMICROWAVE DRAWER WIRING DIAGRAMEEXXEEXXEEXXRRYY--11((NN..OO..))((CCOOMM..))EEXXEEXXEEXXEEXXEEXXRREEDDGGRRYYEEXXEEXXEEXXEE

50KB-3300JSKB-3300JKKB-3300JWMICROWAVE DRAWER WIRING DIAGRAMRREEDDRREEDDOORRGGOORRGGBBLLKKRREEDDBBRRNNYYLLWWGGRRNNWWHHTTGGRRNNRREEDDBBLLKKYYLLWWBBRRNN

51KB-3300JSKB-3300JKKB-3300JWRANGE POWER SUPPLY WIRING DIAGRAMSSHHRRIINNKK TTUUBBEENNOO..0077NNOO..0088((VVEERRSSAAFFIITT VV22))BBLLKKRREEDD((LLEEFF

52KB-3300JSKB-3300JKKB-3300JWRANGE WIRING DIAGRAM((JJSSTT VVLLRR--0022VV))TTOO DDRRAAWWEERRHHAARRNNEESSSSRREEDDRREEDD2211RREEDDRREEDDEEXXTTOO DDRRA

53KB-3300JSKB-3300JKKB-3300JW645123645123ABCDEFGHABCDEFGHFigure S-2. Power Unit CircuitA-6A-4A-2A-1RTRNPA006WRZZVRS1B-3B-160HzFUSE2.5AC1C22200uF/35VD1

54KB-3300JSKB-3300JKKB-3300JW645123645123ABCDEFGHABCDEFGHFigure S-3. Control Unit CircuitM10Y4BY5AY5BVDDVSSLEDVREFDRDYMOSIMISOSCK/RSTVDDVSSXT2XT1RXTXW

55KB-3300JSKB-3300JKKB-3300JW645123645123ABCDEFGHABCDEFGHFigure S-4. Printed Wiring Board of Power UnitQPWBFA844DRZZFA844S047081CNE1716RY4RY2RY6RY7RY8

56KB-3300JSKB-3300JKKB-3300JW645123645123ABCDEFGHABCDEFGHFigure S-5. Printed Wiring Board of Control UnitE16BCQ7S1S23C1C4S24R40C4C5C3C0C6C3C5C8Q4Q3ICO

57KB-3300JSKB-3300JKKB-3300JW645123645123ABCDEFGHABCDEFGHFA842S03C183FA842S03C183Bake STARTSTOPCLEARTimedCookDelayStartOvenLightPoerLevelSensorPopcorn

4KB-3300JSKB-3300JKKB-3300JW NOTES

58KB-3300JSKB-3300JKKB-3300JWCONTROL PANEL PARTS LISTNote: The parts marked “∆∆∆∆∆” may cause undue microwave exposure.The parts marked “*” are used i

59KB-3300JSKB-3300JKKB-3300JW645123645123ABCDEFGHABCDEFGHCONTROL PANELCONTROL PANEL HARNESSActual wire harness may be different from illustration.1-91

60KB-3300JSKB-3300JKKB-3300JWCOOK TOP PARTS LISTNote: The parts marked “∆∆∆∆∆” may cause undue microwave exposure.The parts marked “*” are used in vol

61KB-3300JSKB-3300JKKB-3300JW645123645123ABCDEFGHABCDEFGH2-62-22-42-52-112-32-92-42-92-102-72-82-132-12Actual wire harness may be different from illus

62KB-3300JSKB-3300JKKB-3300JWMICROWAVE DRAWER PARTS LISTNote: The parts marked “∆∆∆∆∆” may cause undue microwave exposure.The parts marked “*” are use

63KB-3300JSKB-3300JKKB-3300JW645123645123ABCDEFGHABCDEFGHMICROWAVE DRAWER HARNESSESMICROWAVE DRAWERActual wire harness may be different from illustrat

64KB-3300JSKB-3300JKKB-3300JWOVEN PARTS LISTNote: The parts marked “∆∆∆∆∆” may cause undue microwave exposure.The parts marked “*” are used in voltage

65KB-3300JSKB-3300JKKB-3300JW645123645123ABCDEFGHABCDEFGH4-42Actual wire harness may be different from illustration.4-404-474-264-284-314-174-104-24-2

66KB-3300JSKB-3300JKKB-3300JWOVEN DOOR PARTS LISTNote: The parts marked “∆∆∆∆∆” may cause undue microwave exposure.The parts marked “*” are used in vo

67KB-3300JSKB-3300JKKB-3300JW645123645123ABCDEFGHABCDEFGH5-15-35-25-55-45-4OVEN DOOR

5KB-3300JSKB-3300JKKB-3300JWSHARP ELECTRONICS CORPORATIONSHARP PLAZA, MAHWAH,NEW JERSEY 07430-2135SERVICE MANUALFREE STANDING RANGEWITH MICROWAVE DRAW

68KB-3300JSKB-3300JKKB-3300JWPACKING PARTS LISTNote: The parts marked “∆∆∆∆∆” may cause undue microwave exposure.The parts marked “*” are used in volt

69KB-3300JSKB-3300JKKB-3300JWWOOD TOP FRAMESUPPORT CORNERSEXTENDED RACK ASSY *BOILER PANINSTALLION MANUALOPERATION MANUALANTI-TIP TEMPLATEANTI-TIP KIT

70KB-3300JSKB-3300JKKB-3300JW2004 SHARP CORP. (4R2.00E) Printed in U.S.ACOPYRIGHT © 2004 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publi

6KB-3300JSKB-3300JKKB-3300JWITEM DESCRIPTIONPower Requirements 120 /208 - 120/240Volts / 46/50 Amperes60 HertzSingle phase, 3 wire groundedThermal Ove

7KB-3300JSKB-3300JKKB-3300JWITEM DESCRIPTIONPower Output 1000 watts (IEC TEST PROCEDURE)Operating frequency of 2450MHzCooking Cavity Dimensions Width