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R-15AT

HOW TO ORDER REPLACEMENT PARTS

To have your order filled prompty and correctly, please furnish the following information.

1. MODEL NUMBER

2. REF. NO.

3. PART NO.

4. DESCRIPTION

Note: The parts marked "

∆

" may cause undue microwave exposure.

The parts marked "*" are used in voltage more than 250V.

REF. NO.

PART NO.

DESCRIPTION

Q'TY

CODE

5-14

LANGJA020WRP0

Earth angle

5-15

PCUSUA505WRP0

Cushion

5-16

XEBSD38P08000

Screw : 3.8mm x 8mm

5-17

GCOVHA407WRF0

Choke cover

5-18

HBDGCA117WREZ

Door badge

5-19

XEPSD40P25K00

Screw : 4mm x 25mm

5-20

PCUSUA508WRP0

Cushion

5-21

PCUSGA514WRP0

Cushion

MISCELLANEOUS

6- 1

TINSZA101WRRZ

Instruction book

6- 2

TCAUAA249WRR0

Caution label

6- 3

FW-VZB998WREZ

Main wire harness

6- 4

TCAUHA276WRRZ

Caution sheet

6- 5

TCAUHA168WRR0

H caution label

6- 6

TLABMA585WRR0

Menu sticker

SCREWS, NUTS AND WASHERS

7- 1

XHPSD40P08K00

Screw : 4mm x 8mm

7- 2

XEPSD40P25000

Screw : 4mm x 25mm

7- 3

XOTSD40P12RV0

Screw : 4mm x 12mm

7- 4

LX-CZ0052WRE0

Special screw

7- 5

LX-EZA042WRE0

Special screw

7- 6

XBPWW40P04000

Screw : 4mm x 4mm

7- 7

XFPSD40P08000

Screw : 4mm x 8mm

7- 8

XHTSD40P12RV0

Screw : 4mm x 12mm

7- 9

XHPSD30P06000

Screw : 3mm x 6mm

7-10

XHTSD40P08RV0

Screw : 4mm x 8mm

7-11

XOTSD40P12000

Screw : 4mm x 12mm

7-12

XOTSE40P08000

Screw : 4mm x 8mm

7-13

XOTWW40P10000

Screw : 4mm x 10mm

7-14

LX-WZA035WRE0

Special washer

7-15

XHPSD40P08000

Screw : 4mm x 8mm

PACKING AND ACCESSORIES

INSTRUCTION BOOK

TOP PAD ASSEMBLY

(FPADBA385WRK0)

BOTTOM PAD ASSEMBLY

(FPADBA386WRK0)

WRAP COVER

(SSAKHA034WRE0)

DOOR PROTECTION SHEET

(SPADPA204WRE0)

PACKING CASE

SPAKCE008WREZ

Not Replaceable Items.

TRAY HOLDER

(SPADFA435WRE0)

Into the

Oven Cavity

MENU STICKER

CAUTION SHEET

Содержание R-15AT

Страница 1: ...DUCT SPECIFICATIONS 5 GENERAL INFORMATION 5 APPEARANCE VIEW 6 OPERATION SEQUENCE 7 FUNCTION OF IMPORTANT COMPONENTS 8 TROUBLESHOOTING GUIDE 9 TEST PROCEDURE 10 CONTROL PANEL ASSEMBLY 16 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 23 MICROWAVE MEASUREMENT 29 TEST DATA AT A GLANCE 29 WIRING DIAGRAM 30 PICTORIAL DIAGRAM 31 CPU UNIT CIRCUIT 32 PRINTED WIRING BOARD 33 PARTS LIST 34 1000W R 15AT DEF ...

Страница 2: ...käytetään tai jos se kytketään väärin Kaikkien mikroaaltoliitäntöjen sekä syöttö että ulostulopuolella aaltoputkien laippojen ja tiivisteiden tulee olla varmistettuja Mikroaaltouunnia ei koskaan saa käyttää ilman kuormaa jossa mikroaaltoenergiaa kuluu Avoimeen aaltoputkeen tai antenniin ei koskaan saa katsoa virran ollessa kytkettynä ADVARSEL MIKROBØLGESTRÅLING Personell må ikke utsettes for mikro...

Страница 3: ...stjerne benyttes med højere spænding end 250 volt WARNING Never operate the oven until the following points are ensured A The door is tightly 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 enginee...

Страница 4: ... die een zeer hoge spanning en stroom kunnen voortbrengen Contact met de volgende onderdelen kan elektrocutie tot gevolg hebben Hoogspanningscondensator hoogspanningstransformator magnetron hoogspanningsgelijkrichter hoogspannings kabelboom VERGEET DE VOLGENDE 3 STAPPEN NIET 1 Haal de stekker uit het stopcontact 2 Open de deur en zorg ervoor dat hij niet dicht kan vallen 3 Ontlaad de hoogspannings...

Страница 5: ...anscurran los dos minutos temporizador a cero compruebe cuidadosamente que el agua se ha calentado Si el agua permaneciese fría efectúe las comprobaciones 3D y vuelva a examinar las conexiones de los componentes que han sido probados Cuando haya terminado la intervención en el equipo y el horno haya sido ensamblado de nuevo completamente deberá comprobar la potencia de salida de microondas y reali...

Страница 6: ... caso eseguire i tre controlli sopra citati e quindi scollegare i connettori dal primario del trasformatore Assicurarsi che tali connettori non vengano a contatto con altri componenti ne con il telaio del forno fare uso se necessario di nastro isolante Al termine dell intervento eseguire nuovamente i tre controlli e ricollegare i conduttori al primario del trasformatore QUATTRO VERIFICHE IMPORTANT...

Страница 7: ...ing foot Depth 424 mm Cooking Cavity Dimensions Width 351 mm Height 211 mm Depth 372 mm Control Complement Touch Control System Timer 0 99 minutes and 99 seconds Microwave Power for Variable Cooking Repetition Rate P HI Full power 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 Po...

Страница 8: ...see through window 11 Air ventilation cover and openings 12 Power supply cord 13 Air intake openings 14 Outer case cabinet TOUCH CONTROL PANEL 12 11 7 10 9 5 4 3 13 14 8 1 2 6 INSTALLATION INFORMATION When this commercial microwave oven is installed near other commercial electrical appliances connect a lead wire to each equivalent potential terminal with equipotential marking between them insert a...

Страница 9: ... NC Opened Closed The circuit to the high voltage transformer fan motor and antenna motor are cut off when the 2nd interlock switch SW2 is made open The oven lamp remains on even if the oven door is opened after the cooking cycle has been interrupted because the relay RY 3 stays closed Shown in the display is remaining time 6 MONITOR SWITCH CIRCUIT The monitor switch SW3 is mechanically controlled...

Страница 10: ...he magnetron against over heating If the temperature goes up higher than 145 C because the fan motor is interrupted or the ventilation openings are blocked the thermal cut out will open and line voltages to the high voltage transformer will be cut off and the operation of the magnetron will be stopped The thermal cut out will not resume THERMAL CUT OUT TC1 125 C OVEN The thermal cut out located on...

Страница 11: ...door is opened Oven lamp lights but fan motor and antenna motor do not operate Oven does not go into cook cycle when START pad is touched Oven seems to be operating but little or no heat is produced in oven load Food incompletely cooked or not cooked at all at end of cook cycle Oven goes into a cook cycle but extremely uneven heating is produced in oven load food Oven does not cook prop erly when ...

Страница 12: ...he empty vessel are at ambient temperature prior to the start the test 3 Temperature of the water The initial temperature of the water is 10 1 C 4 Select the initial and final water temperature so that the maximum difference between the final water temperature and the ambient temperature is 5 C 5 Select stirring devices and measuring instruments in order to minimize addition or removal of heat 6 T...

Страница 13: ...C of the high voltage rectifier and note the reading obtained Reverse the meter leads and note this second reading The normal resistance is infinite in one direction and more than 100 kΩ in the other direction CARRY OUT 4R CHECKS NOTE FOR MEASUREMENT OF THE RESISTANCE OF THE RECTIFIER THE BATTERIES OF THE MEASURING INSTRUMENT MUST HAVE A VOLTAGE AT LEAST 6 VOLTS BE CAUSE OTHERWISE AN INFINITE RESI...

Страница 14: ...the food in the oven cavity may catch fire this may be due to over heating produced by improper setting of the cooking timer or failure of the control panel CARRY OUT 4R CHECKS G BLOWN FUSE F1 F10A CARRY OUT 3D CHECKS If the fuse F1 F10A is blown when the door is opened check the 2nd interlock switch SW2 monitor switch SW3 and relay RY 3 If the fuse F1 F10A is blown there could be a short or groun...

Страница 15: ...owave ovens proper maintenance can not be performed with only a voltmeter and ohmmeter In this service manual the touch control panel assembly is divided into two units Control Unit and Key Unit and troubleshooting by replacement is described according to the symptoms indicated 1 Key Unit Note Check key unit ribbon connection before replacement The following symptoms indicate a defective key unit ...

Страница 16: ...AR pad marking momentary contact If the control unit responds by clearing with a beep the key unit is faulty and must be replaced If the control unit does not respond it is a faulty and must be replaced If a specific pad does not respond the above method may be used after clearing the control unit to determine if the control unit or key pad is at fault L KEY UNIT TEST CARRY OUT 4R CHECKS M RELAY T...

Страница 17: ... oven power cord Power terminal of CPU connector CN A 2 The rated AC voltage is present at primary Low voltage transformer or secondary circuit defective side of low voltage transformer Check and repair 3 Only pattern at a is broken Insert jumper wire J1 and solder CARRY OUT 3D CHECKS BEFORE REPAIR 4 Pattern at a and b are broken Insert the coil RCILF2003YAZZ between c and d CARRY OUT 3D CHECKS BE...

Страница 18: ...ls communicated among them are explained below 1 Control Unit Signal of key touch and oven function control are all processed by one microcomputer 1 Power Supply Circuit This circuit changes output voltage at the secondary side of the low voltage T1 transformer to voltages required at each part by full wave rectifying circuit constant voltage circuit etc 2 Reset Circuit This is a reset circuit whi...

Страница 19: ...rminal not used 19 P47 OUT Signal to sound buzzer This signal is to control the 2 5kHz con tinuous signal through IC3 A key touch sound B Guidance sound C Completion sound 20 P46 OUT Oven lamp Fan motor and Antenna motor driving signal Square Waveform 50Hz To turn on and off the shut off relay RY3 The Square waveform voltage is delivered to the RY3 driving circuit and relays RY2 COOK RE LAY contro...

Страница 20: ...s on key matrix is touched a corresponding signal will be input into P24 37 38 P23 P22 OUT Terminal not used 39 40 P21 P20 OUT Segment data signals The relation between signals and indicators are as follows Signal Segment Signal Segment P21 P20 1 P07 P06 6 P17 P16 2 P05 P04 7 P15 P14 3 P03 P02 8 P13 P12 4 P01 P00 9 P11 P10 5 41 48 P17 P10 OUT Segment data signal Signal similar to P21 49 56 P07 P00...

Страница 21: ...N Connected to 5V 1 A1 A2 VSS VCC TEST SCL SDA TOP VIEW A0 2 3 4 8 7 6 5 FUNCTIONAL DIAGRAM E PROM 512 x 8 2 START STOP LOGIC CONTROL LOGIC SLAVE ADDRESS REGISTER COMPARATOR H V GENERATION TIMING CONTROL 64 YDEC 8 DATA REGISTER Dout CK 3 1 5 64 XDEC START CYCLE INC LOAD WORD ADDRESS COUNTER R W PIN Dout ACK 6 SCL 5 SDA 4 Vss 3 Vcc When the memory IC IC2 or control unit is exchanged input the relay...

Страница 22: ...nit remove the aluminium foil applied for preventing static electricity 2 Connect the connectors of the key unit to the control unit being sure that the lead wires are not twisted 3 After aluminium foil is removed be careful that abnor mal voltage due to static electricity etc is not applied to the input or output terminals 4 Attach connectors electrolytic capacitors etc to PWB making sure that al...

Страница 23: ... 345678 times Flashing 0 1sec BUZZER PAD DISPLAY INDICATOR PHONE Door close CHECK CHECK No CHECK 82 68 CHECK user total count SIGNAL SIGNAL DOUBLE 34 56 QUANTITY service total count upper figure 3456XX 1 No 1 1 No after 1 sec 34 56 service total count upper figure 2 No 2 2 No after 1 sec 78 service total count lower figure CHECK 2 Practice for checking total operation time Ex 4567 hours Flashing 0...

Страница 24: ... PROCEDURE 1 EXPRESS DEFROST T STG1 STG 2 STG3 STG A x T B 1 To set the constants of Express defrost Ex 0 20T 60 at 1st stage 0 15T 40 at 2nd stage 0 65T 20 at 3rd stage Flicker 0 1 sec BUZZER PAD ORDER DISPLAY PHONE Door close SET SET NO within 2 sec 1 START EXPRESS DEF 0 00 DEF 2 0 0 20 DEF x 2 A 2 SELECT TIME 0 DEF 0 0 DEF B DEF SELECT POWER P DEF 6 P 60 SELECT TIME 0 00 DEF 1 5 0 15 DEF x 2 A ...

Страница 25: ...id possible exposure to microwave energy Please follow the instructions below before operating the oven 1 CARRY OUT 3D CHECKS 2 Disconnect the filament leads of high voltage transformer from high voltage capacitor and the magnetron 3 Disconnect the H V fuse from the high voltage trans former 4 Disconnect the main wire harness from the high voltage HIGH VOLTAGE TRANSFORMER REMOVAL transformer 5 Rem...

Страница 26: ...ick the key unit firmly to the control panel frame by rubbing with a soft cloth so not to cause scratches 1 CARRY OUT 3D CHECKS 2 Screw the oven lamp from the oven lamp socket off 3 Now the oven lamp is free 4 Lift up the oven lamp socket from air intake duct 5 Pull the wire leads from the oven lamp socket by pushing the terminal hole of the oven lamp socket with the small flat type screw driver 6...

Страница 27: ... fan duct 13 Now the fan motor is free INSTALLATION 1 Install the fan motor to the fan duct with the two 2 screws 2 Install the fan blade to the fan motor shaft according to the following procedure 3 Hold the center of the bracket which supports the shaft of the fan motor on the flat table 4 Install the fan blade to the shaft of fan motor by pushing the fan blade with a small light weight ball pee...

Страница 28: ...osition After adjustment check the following 1 In and out play of door remains less than 0 5mm when in the latched position First check upper position of latch hook pushing and pulling upper portion of door toward the oven face Then check lower portion of the latch hook pushing and pulling lower portion of the door toward the oven face Both results play in the door should be less than 0 5mm PRIMAR...

Страница 29: ... pushing NOTE After any service to the door A Make sure that 2nd interlock switch primary inter lock relay control switch and monitor switch are operating properly Refer to chapter Test Proce dures B An approved microwave survey meter should be used to assure compliance with proper microwave radiation emission limitation standards Refer to Microwave Measurement Procedure After any service make sur...

Страница 30: ...nna and antenna holder so that the hole of the antenna holder fit to the centre of the stirrer antenna s big blade Refer to Figure C 9 ANTENNA MOTOR SHAFT REPLACEMENT 3 Hook the hole of the antenna holder on the tab of the oven cavity bottom plate Refer to Figure C 10 4 Insert the antenna holder into the hole of the oven cavity bottom plate and fit the hole of the antenna holder with an antenna mo...

Страница 31: ... test instrument is operating nor mally as specified in its instruction booklet Important Survey instruments that comply with the requirement for instrumentations as prescribed by the performance standard for microwave ovens must be used for test ing Recommended instruments are NARDA 8100 NARDA 8200 HOLADAY HI 1500 SIMPSON 380M 2 Place the oven tray into the oven cavity 3 Place the load of 275 15m...

Страница 32: ...BRN LIVE NEUTRAL G Y F1 FUSE F10A N L DISCHARGE RESISTOR 680 kΩ 1 2W NOISE SUPPRESSION COIL NOISE FILTER F2 H V FUSE 0 75A LINE BYPASS CAPACITOR 0 0033µF AC 250V DISCHARGE RESISTOR 10MΩ 1 2W LINE BYPASS CAPACITOR 0 0033µF AC 250V LINE CROSS CAPACITOR 0 22µF AC 250V T HIGH VOLTAGE TRANSFORMER MG MAGNETRON H V RECTIFIER C CAPACITOR 1 07µF AC2300V ANTENNA MOTOR FAN MOTOR OVEN LAMP SW3 MONITOR SWITCH ...

Страница 33: ...YLW WHT WHT N C N O COM ORG ORG WHT WHT BRN PNK ANTENNA MOTOR AM OL SW2 SW3 SW1 TC1 MONITOR SWITCH GRY GRY RED YLW YLW ORG YLW PNK PNK IC1 RY2 T1 RY3 CN G CN A 7 1 1 2 CN B 2 3 4 5 1 PNK WHT CN A NEUTRAL NOISE FILTER EARTH GRN GRY N O COM PRIMARY INTERLOCK RELAY CONTROL SWITCH 2ND INTERLOCK SWITCH CONTROL UNIT 2 1 GRN G R N G R N GRY CN B GRY BRN RED ORG WHT NOTE Neutral ORG wire must be connected...

Страница 34: ... P11 P12 P13 P14 P15 P16 P17 P20 P21 P22 P23 P24 P25 P26 P27 VEE VRS1 D6 1N4002 D5 1N4002 R90 100 1w D20 D21 C30 47 10v C5 47 10v C6 0 1 50v C31 C70 R4 4 7k J1 a b R6 1k ZD3 HZ20 1 Q24 2SC1740S RY3 RY2 JA R30 100 R71 4 7k R80 4 7k R81 4 7k R82 4 7k R83 4 7k D23 D70 R32 2 7k R33 4 7k R31 15k R70 4 7k R5 4 7k R88 4 7k R87 4 7k R86 4 7k R85 4 7k R84 4 7k c d D1 D2 D4 D1 4 1N4002 C10 470 25v C11 470 5...

Страница 35: ...Y3 D23 C80 R68 J5 J6 C6 C5 Q2 JJ C64 R65 R66 E B IC2 R31 R32 E Q60 CN G CN B MICRO 1 MICRO 2 CN D R84 IC1 JF JC JB C10 R102 C100 D100 TB2 J2 D5 OL B B E E Q21 Q24 R6 ZD3 D6 SM TTM TB1 R100 Q23 J9 D10 C3 B E D21 D22 11 12 T1 P P S VRS1 VRS2 POWER CN A POWER C1 E B Q22 R40 SP1 10 C62 B R33 R3 C7 ZD2 2 3 6 5 7 J4 J3 4 R67 IC3 R5 C30 C31 1 1 12 3 1 1 33 32 25 20 15 40 50 55 64 3 3 1 1 7 1 60 16 9 8 4 ...

Страница 36: ...0 uF 25V 1 AE C2 RC KZA087DRE0 Capacitor 0 1 uF 50V 1 AA C3 VCEAB31AW476M Capacitor 47 uF 10V 1 AA C4 RC KZA087DRE0 Capacitor 0 1 uF 50V 1 AA C5 VCEAB31AW476M Capacitor 47 uF 10V 1 AA C6 RC KZA087DRE0 Capacitor 0 1 uF 50V 1 AA C7 VCKYD11CY103N Capacitor 0 01 uF 16V 1 AA C8 9 RC KZA087DRE0 Capacitor 0 1 uF 50V 2 AA C10 VCEAB31EW477M Capacitor 470 uF 25V 1 AC C11 VCEAB31HW477M Capacitor 470 uF 50V 1...

Страница 37: ...AY 4 11 LBNDKA139WRW0 HV capacitor holder 1 AR 4 12 NFANJA029WRE0 Fan blade 1 AK 4 13 PDUC A697WRF0 Fan duct 1 AM 4 14 FPLT A007WRY0 Stirrer antenna assembly 1 BB 4 15 PCUSUA507WRP0 Cushion 1 AC 4 16 PCUSGA378WRP0 Cushion 1 AL 4 17 PSPA A112WRE0 Mica washer 1 AC 4 18 LANGFA199WRWZ Chassis support 1 AH 4 19 NSFTPA035WRFZ Antenna motor shaft 1 AQ 4 20 PSKR A359WRW0 Air guide 1 AM 4 21 PSKR A349WRP0 ...

Страница 38: ...6 5 TCAUHA168WRR0 H caution label 1 AH 6 6 TLABMA585WRR0 Menu sticker 1 AG SCREWS NUTS AND WASHERS 7 1 XHPSD40P08K00 Screw 4mm x 8mm 5 AA 7 2 XEPSD40P25000 Screw 4mm x 25mm 2 AA 7 3 XOTSD40P12RV0 Screw 4mm x 12mm 12 AA 7 4 LX CZ0052WRE0 Special screw 2 AA 7 5 LX EZA042WRE0 Special screw 2 AB 7 6 XBPWW40P04000 Screw 4mm x 4mm 1 AB 7 7 XFPSD40P08000 Screw 4mm x 8mm 1 AA 7 8 XHTSD40P12RV0 Screw 4mm x...

Страница 39: ...W2 1 2 4 29 F2 7 5 4 16 7 3 7 11 2 5 4 31 4 7 SW3 4 6 4 6 4 24 2 4 4 10 2 1 4 14 7 1 4 8 6 2 2 3 7 10 7 3 7 3 4 11 T SW1 4 22 4 17 4 27 7 3 4 26 7 3 7 1 1 1 TC2 1 1 4 26 4 15 7 9 7 10 7 2 FM 7 15 7 1 C 4 30 2 4 2 2 4 13 4 12 7 11 7 14 7 3 7 10 7 1 F1 4 2 4 19 4 33 4 28 4 25 4 1 7 6 7 13 7 13 7 13 4 9 4 34 4 35 7 8 4 21 4 18 OL 1 4 4 23 6 5 x2 4 32 x3 1 3 ...

Страница 40: ... D E F G H 2 3 4 5 6 1 2 3 4 5 6 3 2 2 3 2 3 3 2 1 3 2 3 1 3 3 3 3 3 3 3 3 Actual wire harness may be different from illustration 5 5 5 10 5 6 5 17 5 4 2 5 4 4 5 16 5 16 6 3 5 15 5 7 5 8 5 14 5 8 5 9 5 13 5 19 5 19 5 11 5 12 5 12 5 3 5 4 4 5 4 5 5 1 5 4 3 5 21 5 20 5 4 5 18 5 2 5 16 5 16 x4 x2 5 4 1 ...

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