Sharp KB-3300JW Manuale di Servizio

1KB-3425LS/K/WKB-4425LS/K/W WARNING TO SERVICE PERSONNEL: This service manual is intended for use by persons having electrical and mechanical training

10KB-3425LS/K/WKB-4425LS/K/WPOWER CONNECTION208/240 VOLT CONNECTION INSTRUCTIONSThe range can be set for208Vor 240V.Thevoltagesetting for yourrange is

11KB-3425LS/K/WKB-4425LS/K/W3 Make sure all connections are tightened securely and replacethe rear access cover. See Figure 7.GROUNDING INSTRUCTIONS-

12KB-3425LS/K/WKB-4425LS/K/WKB-3425L Shown2 DRILL PILOT HOLES AND FASTEN BRACKETDrill a1/8-inch pilot hole where screws are to be located. If bracket

13KB-3425LS/K/WKB-4425LS/K/WKB-3425LS

14KB-3425LS/K/WKB-4425LS/K/WSchematic-Off ConditionCOOK TOPNOTES:1. Circuits / wire colors are subject to change without notice.2. Terminal that is

15KB-3425LS/K/WKB-4425LS/K/WCOOK TOP SCHEMATIC (DETAIL)COOK TOPL2NNL1L22INSIDEOUTSIDECONTROLRIGHT FRONTSURFACEELEMENT44aS2S1P2P1H2 /22a1a2P1 / 4CONTR

16KB-3425LS/K/WKB-4425LS/K/WMICROWAVE DRAWER SCHEMATIC (DETAIL)SMOLFMB1B3RY1RY2RY5HUMIDITYSENSORNOISE SUPRESSION COILRESISTOR 470 kohm 1/2WLINE CROSS

17KB-3425LS/K/WKB-4425LS/K/WRANGE SCHEMATIC (DETAIL)FMCLOSS FLOWFAN MOTOROLOVEN LAMPCONV. HEATERTOP HEATERLMDOOR LOCKMOTORN.O.N.O.COM.COM.RY7RY4RY10RY

18KB-3425LS/K/WKB-4425LS/K/WTEST PROCEDURES PROCEDURE LETTER COMPONENT TEST The touch control panel consists of circuits including semiconductors

19KB-3425LS/K/WKB-4425LS/K/WDISASSEMBLY" page 40.2. Open the drawer and block it open.3. Discharge high voltage capacitor.4. Disconnect the le

2KB-3425LS/K/WKB-4425LS/K/WPRECAUTIONS TO BE OBSERVED BEFORE AND DUR-ING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY(a) Do not

20KB-3425LS/K/WKB-4425LS/K/WTEST PROCEDURES PROCEDURE LETTER COMPONENT TEST WARNING : The unit should be fully assembled before following procedu

21KB-3425LS/K/WKB-4425LS/K/W STEPS OCCURRENCE CAUSE OR CORRECTION 1 The rated AC voltage is not present between Check supply voltage and oven p

22KB-3425LS/K/WKB-4425LS/K/WTEST PROCEDURES PROCEDURE LETTER COMPONENT TEST (5) Install the new AH sensor.(6) Reconnect all leads removed from

23KB-3425LS/K/WKB-4425LS/K/WElement does not heat:Checking the system with a Voltmeter, if the elementdoes not heat up.1. Remove the back of the contr

24KB-3425LS/K/WKB-4425LS/K/Wbetweenthe switch and the elementare open.Ifthe meter re ads line to line voltage theelementisdefective.Element does not c

25KB-3425LS/K/WKB-4425LS/K/WBoth elements do not heat:Checking the system with a Voltmeter, if the elementsdo not heat up:1. Removethebackpanelofthe b

26KB-3425LS/K/WKB-4425LS/K/W2. Open the drawer and keep it open.3. To discharge high voltage capacitor, wait for 60 seconds.4. To test for an open

27KB-3425LS/K/WKB-4425LS/K/W2. Open the drawer and keep it open.3. To discharge high voltage capacitor, wait for 60 seconds.4. Isolate the switch

28KB-3425LS/K/WKB-4425LS/K/WEE 6 (displayed when oven starts) - Oven Thermistor is open. Check thermistor or control unit.EE 7 (displayed when ov

29KB-3425LS/K/WKB-4425LS/K/WTOUCH CONTROL PANEL ASSEMBLYOUTLINE OF TOUCH CONTROL PANELThe touch control section consists of the following units.(1) Ke

3KB-3425LS/K/WKB-4425LS/K/W WARNING TO SERVICE PERSONNELRange units contain circuitry capable of producing very high voltage and current, contac

30KB-3425LS/K/WKB-4425LS/K/W 1 P96 IN Signal coming from Transparent electrode (touch key on the LCD). When the 1 key of the transparent

31KB-3425LS/K/WKB-4425LS/K/W 20 INT0 IN Signal to synchronize LSI with commercial power source frequency. This is the basic timing for all

32KB-3425LS/K/WKB-4425LS/K/W Pin No. Signal I/O Description 47 P47 OUT Reset signal is outout to the LCD. 48 CS2 OUT Chip select signal is

33KB-3425LS/K/WKB-4425LS/K/W Pin No. Signal I/O Description “L” level: During fan motor OFF. 77 P13 OUT Fan motor (Drawer) driving sign

34KB-3425LS/K/WKB-4425LS/K/W(1) Structure of Humidity Sensor The humidity sensor includes two thermistors as shown in the illustration. One thermisto

35KB-3425LS/K/WKB-4425LS/K/WIC-7IC-8OVEN TEMPERATURE/SELF CLEANING CONTROL CIRCUIT

36KB-3425LS/K/WKB-4425LS/K/WOVEN DOOR LOCK MOTOR CONTROL CIRCUIT

37KB-3425LS/K/WKB-4425LS/K/WOVEN DOOR LOCK MOTOR DETECTION CIRCUIT

38KB-3425LS/K/WKB-4425LS/K/W1. Precautions for Handling Electronic Components This unit uses CMOS LSI in the integral part of the circuits. When han

39KB-3425LS/K/WKB-4425LS/K/WPRECAUTIONS FOR USING LEAD-FREE SOLDER1. Employing lead-free solder The "Main PWB" of this model employs lead-

4KB-3425LS/K/WKB-4425LS/K/WATTENTION!!!Thisservicemanualis intendedforusebypersonshavingelectricalandmechanicaltraininganda levelof knowledgeof theses

40KB-3425LS/K/WKB-4425LS/K/WOVEN / MICROWAVE DRAWER DISASSEMBLYFig. 11. Before removing Control Panel, take measures to protect the

41KB-3425LS/K/WKB-4425LS/K/WBackPanelSidePanelsSelectSwitch12. Remove electrical cover and screws holding the se-lect switch from back plate. The

42KB-3425LS/K/WKB-4425LS/K/WOVEN COMPONENT REMOVAL1. After dissaembly as previously stated, remove Microwave Drawer assembly by removing (2) screws (

43KB-3425LS/K/WKB-4425LS/K/W2. Open the drawer and keep it open.3. To discharge the high voltage capacitor, wait for 60 seconds.4. Remove t

44KB-3425LS/K/WKB-4425LS/K/W1. Disconnect the power supply cord.2. Open the drawer and keep it open.3. To discharge the high voltage capacitor

45KB-3425LS/K/WKB-4425LS/K/W(Locate either the right or left switch angle)1. Follow the Microwave Drawer disassembly as previously stated. 2. Open t

46KB-3425LS/K/WKB-4425LS/K/WAUTO DRAWER GEAR REMOVAL1. Follow the Microwave Drawer disassembly as previously stated. 2. Open the drawer and keep it

47KB-3425LS/K/WKB-4425LS/K/W1. Disconnect the power supply cord.2. Open the door to the fully opened position (Fig. O-1).3. Pull the lock located o

48KB-3425LS/K/WKB-4425LS/K/WOVEN BAKE ELEMENT REMOVAL1. Disconnect the power supply cord.2. Refer to the disassembly instructions as previously stat

49KB-3425LS/K/WKB-4425LS/K/WBLOWER MOTOR REMOVAL1. Disconnect the power supply cord.2. Refer to the disassembly instructions as previously stated. 3

5KB-3425LS/K/WKB-4425LS/K/WMICROWAVE MEASUREMENT PROCEDURE A. Requirements:1) Microwave leakage limit (Power density limit): The power densi

50KB-3425LS/K/WKB-4425LS/K/WCONVECTION MOTOR/IMPELLER BLADE REMOVAL1. Disconnect the power supply cord.2. Refer to the disassembly instructions as p

51KB-3425LS/K/WKB-4425LS/K/WCOOK TOP RADIANT HEATERS/HOT SURFACE INDICATOR REMOVAL1. Disconnect the power supply cord.2. Refer to the disassembly in

52KB-3425LS/K/WKB-4425LS/K/WCONTROL PANEL WIRING DIAGRAMWHTREDBLKINFINITE SWITCHES (RIGHT SIDE)PILOT LIGHT RIGHTINFINITE SWITCHES (LEFT SIDE)PILOT LIG

53KB-3425LS/K/WKB-4425LS/K/WCOOK TOP WIRING DIAGRAMYLWYLWWHTWARMER(CR)CENTER REAR1 ZONEWHTP12a(JST VLP-12V)TO INFINITE SW HARNESS(JST ELP-02V)TO DRAW

54KB-3425LS/K/WKB-4425LS/K/WMICROWAVE DRAWER WIRING DIAGRAMWHTHOUSING COLOR : BLUEORGRED(JST ELR-02VF)(FOR CONVECTION HEATER)RY-C(COM) (N.C.)(N.O.)BLK

55KB-3425LS/K/WKB-4425LS/K/WMICROWAVE DRAWER CPU WIRING DIAGRAM(JST XAP-14V-1)BLKBLK1413DOOR POSITION SWITCH-REAR(N.O.)(COM)BLKBLKEXEX(JST XAP-06V-1)T

56KB-3425LS/K/WKB-4425LS/K/WRANGE POWER SUPPLY WIRING DIAGRAMSHRINK TUBENO.07NO.08(VERSAFIT V2)BLKRED(LEFT)(L1)(RIGHT)(L2)BLK REDBLKBLKBLKREDREDRED653

57KB-3425LS/K/WKB-4425LS/K/WRANGE WIRING DIAGRAMUL TAPEDOOR SW(COM.)(N.O.)BLKREDREDBLKBLKREDUL TAPEUL TAPEUL TAPEUL TAPE(N.O.)(N.C.)OVEN LAMPWHTWHTORG

58KB-3425LS/K/WKB-4425LS/K/W64 512364 5123ABCDEFGHABCDEFGHFigure S-2. Power Unit Circuit A-6A-4A-2A-1RTRNPA006WRZZVRS1B-3FUSE2.5AC1C22200uF/35VD1 -- D

59KB-3425LS/K/WKB-4425LS/K/W64 512364 5123ABCDEFGHABCDEFGH75010KFFigure S-3. Control Unit Circuit

6KB-3425LS/K/WKB-4425LS/K/W NOTES

60KB-3425LS/K/WKB-4425LS/K/W64 512364 5123ABCDEFGHABCDEFGHFigure S-4. Printed Wiring Board of Power UnitQPWBFA844DRZZFA844S047081CNE1716RY4RY2RY6RY7RY

61KB-3425LS/K/WKB-4425LS/K/W64 512364 5123ABCDEFGHABCDEFGHFigure S-5. Printed Wiring Board of Control Unit78564213C14C23CNX89128PQ7B C EQ2R8R6R5B CECN

62KB-3425LS/K/WKB-4425LS/K/W64 512364 5123ABCDEFGHABCDEFGHFigure S-5. Printed Wiring Board of Keyboard UnitQPWBFA850DRZZC80C70C74C70C81R76R72R73R77R78

63KB-3425LS/K/WKB-4425LS/K/WCONTROL PANEL PARTS LISTNote: The parts marked “∆” may cause undue microwave exposure. The parts marked “*” are used in v

64KB-3425LS/K/WKB-4425LS/K/W64 512364 5123ABCDEFGHABCDEFGHCONTROL PANELCONTROL PANEL HARNESS1-71-71-71-51-11-121-81-81-161-121-191-21-111-141-111-121-

65KB-3425LS/K/WKB-4425LS/K/WCOOK TOP PARTS LISTNote: The parts marked “∆” may cause undue microwave exposure. The parts marked “*” are used in voltag

66KB-3425LS/K/WKB-4425LS/K/W64 512364 5123ABCDEFGHABCDEFGHActual wire harness may be different from illustration.2-12-22-42-52-112-92-42-92-32-102-152

67KB-3425LS/K/WKB-4425LS/K/WMICROWAVE DRAWER PARTS LISTNote: The parts marked “∆” may cause undue microwave exposure. The parts marked “*” are used i

68KB-3425LS/K/WKB-4425LS/K/WMICROWAVE DRAWER REF. NO. PART NO. § DESCRIPTION Q'TY CODE3-58 JHNDPB052MRM0 M Door handle [KB3425LS] [KB44

69KB-3425LS/K/WKB-4425LS/K/W64 512364 5123ABCDEFGHABCDEFGHMICROWAVE DRAWER HARNESSESMICROWAVE DRAWER MICROWAVE DRAWERActual wire harness may be diffe

7KB-3425LS/K/WKB-4425LS/K/WSHARP ELECTRONICS CORPORATIONSHARP PLAZA, MAHWAH,NEW JERSEY 07430-2135SERVICE MANUALFREE STANDING /SLIDE-IN RANGEWITH MICRO

70KB-3425LS/K/WKB-4425LS/K/WOVEN UNITOVEN PARTS LISTNote: The parts marked “∆” may cause undue microwave exposure. The parts marked “*” are used in v

71KB-3425LS/K/WKB-4425LS/K/W64 512364 5123ABCDEFGHABCDEFGHOVEN UNIT HARNESSESOVEN UNIT4-42Actual wire harness may be different from illustration.4-404

72KB-3425LS/K/WKB-4425LS/K/WOVEN DOOR PARTS LISTNote: The parts marked “∆” may cause undue microwave exposure. The parts marked “*” are used in volta

73KB-3425LS/K/WKB-4425LS/K/W64 512364 5123ABCDEFGHABCDEFGHOVEN DOOR5-15-35-25-45-45-5

74KB-3425LS/K/WKB-4425LS/K/WPACKING PARTS LISTNote: The parts marked “∆” may cause undue microwave exposure. The parts marked “*” are used in voltage

75KB-3425LS/K/WKB-4425LS/K/WPACKINGSUPPORT CORNERSEXTENDED RACK ASSY x 2BOILER PANINSTALLION MANUALOPERATION MANUALANTI-TIP TEMPLATEANTI-TIP KITPACKI

76KB-3425LS/K/WKB-4425LS/K/W2006 SHARP CORP. (5R2.00E) Printed in U.S.ACOPYRIGHT © 2006 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this public

8KB-3425LS/K/WKB-4425LS/K/W ITEM DESCRIPTIONPower Requirements 120 /208 - 120/240Volts / 46/50 Amperes 60 Hertz Single phase, 3 wire

9KB-3425LS/K/WKB-4425LS/K/W ITEM DESCRIPTIONPower Output 1000 watts (IEC TEST PROCEDURE) Operating frequency of 2450MHzCooking Cavity