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R380L(W)

13 – 1

R380L(W)

Service Manual

CHAPTER 13.

CIRCUIT DIAGRAMS

[1] Oven Schematic

Figure O-1 Oven Schematic-OFF Condition

Figure O-2 Oven Schematic-ON Condition

SCHEMATIC

NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. CLOCK APPEARS ON DISPLAY.

SCHEMATIC

NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME PROGRAMMED.
3. START KEY TOUCHED.

POWER

TRANSFORMER

MAGNETRON

H.V.

RECTIFIER

FUSE

0.8A

CAPACITOR
1.13μ
AC2300V

TURNTABLE

MOTOR

FAN

MOTOR

OVEN

LAMP

2ND. INTERLOCK
RELAY CONTROL
SWITCH

1ST. LATCH
SWITCH

2ND.
INTERLOCK
RELAY

MONITOR

SWITCH

CONTROL
UNIT

TTM

TEMPERATURE
FUSE 150ºC
(OVEN)

RY-2

RY-1

NOISE FILTER

EARTH

BLU

BRN

NEUTRAL

LIVE

G-Y

FUSE
F10A

LINE

CROSS

CAPACITOR

0.068μ

/AC250V

NOISE

SUPPRESSION

COIL

LINE

BYPASS

CAPACITOR

0.0022μ

/AC250V

LINE

BYPASS

CAPACITOR

0.0022μ

/AC250V

SENSOR

F-3

F-2

F-1

230-240V

50Hz

SENSOR

F-3

F-2

F-1

POWER

TRANSFORMER

MAGNETRON

H.V.

RECTIFIER

FUSE

0.8A

CAPACITOR
1.13μ
AC2300V

TURNTABLE

MOTOR

FAN

MOTOR

OVEN

LAMP

2ND. INTERLOCK
RELAY CONTROL
SWITCH

1ST. LATCH
SWITCH

2ND.
INTERLOCK
RELAY

MONITOR

SWITCH

CONTROL
UNIT

TTM

TEMPERATURE
FUSE 150ºC
(OVEN)

RY-2

RY-1

NOISE FILTER

EARTH

BLU

BRN

230-240V

50Hz

NEUTRAL

LIVE

G-Y

FUSE
F10A

LINE

CROSS

CAPACITOR

0.068μ

/AC250V

NOISE

SUPPRESSION

COIL

LINE

BYPASS

CAPACITOR

0.0022μ

/AC250V

LINE

BYPASS

CAPACITOR

0.0022μ

/AC250V

Содержание Carousel R-380L

Страница 1: ...MICROWAVE MEASUREMENT CHAPTER 13 CIRCUIT DIAGRAMS Parts List S1701R380LPJW SERVICE MANUAL R380L W CONTENTS This document has been published to be used for after sales service only The contents are subject to change without notice TopPage MICROWAVE OVEN R 380L S R 380L W MODELS In the interest of user safety the oven should be restored to its original condition and only parts identical to those spe...

Страница 2: ... THE FOIL PATTERN ON THE PRINTED WIRING BOARD PWB IS OPEN 8 5 15 O AH SENSOR TEST 8 5 CHAPTER 9 TOUCH CONTROL PANEL ASSEM BLY 1 OUTLINE OF TOUCH CONTROL PAN EL 9 1 2 ABSOLUTE HUMIDITY SENSOR CIR CUIT 9 1 3 SERVICING FOR TOUCH CONTROL PANEL 9 2 CHAPTER 10 PRECAUTIONS FOR USING LEAD FREE SOLDER CHAPTER 11 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 1 BEFORE OPERATING 11 1 2 OUTER CASE REMOVAL 11 ...

Страница 3: ...secured Never operate the device without a microwave energy absorbing load attached Never look into an open waveguide or antenna while the device is energized 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 oth...

Страница 4: ...nect the supply after the outer case has been removed in this event carry out 3D checks and then disconnect the leads to the pri mary of the power transformer Ensure that these leads remain iso lated from other components and the oven chassis Use insulation tape if necessary When the testing is completed carry out 3D checks and reconnect the leads to the primary of the power transformer REMEMBER T...

Страница 5: ...rntable Diameter 320 mm Control Complement Touch Control System Clock 1 00 12 59 Timer 0 99 minutes 99 seconds Microwave Power for Variable Cooking Repetition Rate 100P Full power throughout the cooking time 70P approx 70 of FULL Power 50P approx 50 of FULL Power 30P approx 30 of FULL Power 10P approx 10 of FULL Power SENSOR COOK pads SENSOR REHEAT pad HEALTHY MENUS pads EXPRESS MENUS pads EASY DE...

Страница 6: ...ce to stop operation of oven during cooking press twice to cancel cooking programme 7 EXPRESS MENUS PADS Press to select Express Menus menus 8 SENSOR COOK PADS Press to select Sensor Cook menus 9 SENSOR REHEAT PAD Press to select a reheat menu 10 QUICK AND EASY PAD Press to select Quick and Easy menus 11 EASY DEFROST PAD Press to defrost frozen food by entering quantity 12 MORE LESS PADS Press to ...

Страница 7: ...itch and 2nd interlock relay 1 When the oven door is opened during or after the cycle of a cooking program the 1st latch switch and 2nd interlock relay control switch must open their contacts first After that the con tacts COM NC of the monitor switch can be closed 2 When the oven door is closed the contacts COM NC of the monitor switch must be opened After that the contacts of the 1st latch switc...

Страница 8: ...s energized The power transformer is turned on microwave energy is produced and first stage is started The 16 seconds is the cooling time required to remove any vapor from the oven cavity and sensor NOTE During this first stage do not open the door or touch STOP CLEAR pad 4 When the sensor detects the vapor emitted from the food the dis play switches over to the remaining cooking time and the time...

Страница 9: ...main closed with the oven door open and when the monitors witch closes 2 If the wire harness or electrical components are short circuited this fuse F10A blows to prevent an electric shock or fire hazard 5 HIGH VOLTAGE FUSE The high voltage fuse blows when the high voltage rectifier or the mag netron is shorted 6 OVEN TEMPERATURE FUSE The temperature fuse located on the top of the oven cavity is de...

Страница 10: ...D E E E F G G H K L M N RE CK CK RE CK CK CK CK CK I J O CONDITION PROBLEM POSSIBLE CAUSE AND DEFECTIVE PARTS ON SENSO RCOOKING CONDITION CONDITION OFF CONDITION Home fuse blows when power supply cord is plugged into wall outlet FUSE F10A blows when power supply cord is plugged into wall outlet Display does not show anything when power supply cord is plug ged into wall outlet Display does not oper...

Страница 11: ... 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 The graduation of the thermometer must be scaled by 0 1 C at minimum and ...

Страница 12: ...NCE MIGHT BE SHOWN IN BOTH DIRECTION 4 D HIGH VOLTAGE CAPACITOR TEST CARRY OUT 3D CHECKS 1 Isolate the high voltage capacitor from the circuit 2 Continuity check must be carried out with measuring instrument which is set to the highest resistance range 3 A normal capacitor shows continuity for a short time kick and then a resistance of about 10MΩ after it has been charged 4 A short circuited capac...

Страница 13: ...terlock relay and monitor switch If the fuse F10A is blown by incorrect door switching replace the defective switch s and the fuseF10A CARRY OUT 4R CHECKS CAUTION ONLY REPLACE FUSE F10A WITH THE CORRECT VALUE REPLACEMENT 9 I NOISE FILTER TEST CARRY OUT 3D CHECKS Disconnect the leads from the terminals of the noise filter Using an ohmmeter check between the terminals as described in the following t...

Страница 14: ...do not light up b At a certain digit brightness is low c Only one indicator does not light up d The corresponding segments of all digits do not light up or they continue to light up e Wrong figure appears f A certain group of indicators do not light up g The figure of all digits flicker 3 Other possible troubles caused by defective control unit a Buzzer does not sound or continues to sound b Clock...

Страница 15: ...STALLATION Instructions 4 Exhaust vents are provided on the back of the unit for proper cooling and air flow in the cavity To permit adequate ventilation be sure to install so as not to block these vents There should be some space for air circulation 5 Be sure the exterior of the cooking container and the interior of the oven are dry Wipe off any moisture with a dry cloth or paper towel 6 The Sens...

Страница 16: ... cavity c Close the door d 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 e The control panel is in automatic Sensor operation f The oven turns off automatically and the time for detecting moisture will be displayed If new sensor dose not operate properly the problem is with the control unit and refer to ex...

Страница 17: ...inet 17 Reconnect the power supply cord after the outer case is installed Run the oven and check all functions 18 Carry out Water load cooking test again and ensure that the oven works properly Sensor Dummy Resistor Circuit Plunger NC NO COM COM NO NC R3 R4 R1 R2 1 2 3 F 1 F 2 F 3 To connector F on Control Unit CONNECTOR ...

Страница 18: ...rcuit The power source synchronizing signal is available in order to compose a basic standard time in the clockcircuit It accompanies a very small error because it works on commercial frequency 7 2nd Interlock Relay Control Switch A switch to tell the LSI if the door is open or closed 8 Back Light Circuit A circuit to drive the back light Light emitting diodesLD1 LD4 9 Absolute Humidity Sensor Cir...

Страница 19: ...ppear on the display and the cooking is stopped 1 Absolute humidity sensor circuit 3 SERVICING FOR TOUCH CONTROL PANEL 1 Precautions for Handling Electronic Components This unit uses CMOS LSI in the integral part of the circuits When handling these parts the following precautions should be strictly followed CMOS LSI have extremely high impedance at its input and output terminals For this reason it...

Страница 20: ...B of the touch control panel with a jumper which activates an operational state that is equivalent to the oven door being closed As for the sensor related controls of the touch control panel checking them is possible if dummy resistor s with resistance equal to that of the controls are used 2 Servicing the touch control panel with power supply from an external power source Disconnect the touch con...

Страница 21: ...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 in lead free solder will cause premature corrosion o...

Страница 22: ...S when carrying out any of the following removal procedures To prevent an electric shock take the following precautions 1 Before wiring 1 Disconnect the power supply cord 2 Open the door and block it open 3 Discharge the high voltage capacitor and wait for 60 seconds 2 Don t let the wire leads touch to the following parts 1 High voltage parts Magnetron Power transformer High voltage capacitor High...

Страница 23: ...e capacitor The high voltage fuse is now free 9 Remove capacitor holder Capacitor is now free CAUTION WHEN REPLACING HIGH VOLTAGE REC TIFIER AND HIGH VOLTAGE CAPACITOR GROUND SIDE TERMINAL OF THE HIGHVOLTAGE RECTIFIER MUST BE SECUREDFIRMLY WITH A GROUNDING SCREW 5 MAGNETRON REMOVAL 1 REMOVAL 1 CARRY OUT 3D CHECKS 2 Disconnect all wire leads from magnetron 3 Remove the one 1 screw holding the chass...

Страница 24: ...CN G of the control unit Figure C 2 Graphic Sheet and Membrane Switch Replacement 9 TURNTABLE MOTOR REMOVAL 1 Disconnect the power supply cord 2 Remove turntable and turntable support from oven cavity 3 Lay the oven on it s backside Remove the turntable motor cover by snipping off the material in four corners 4 Where the corners have been snipped off bend corner areas flat No sharp edges must be e...

Страница 25: ...ply cord to the oven cavity back plate with one 1 screw and tight the screw 3 Connect the brown and blue wire leads of power supply cord to the noise filter correctly referring to the Pictorial Diagram 4 Re install outer case and check that the oven is operating properly Figure C 3 b Power Supply Cord Replacement 12 1ST LATCH SWITCH 2ND INTERLOCK RELAY CONTROL SWITCH AND MONITOR SWITCH ADJUSTMENT ...

Страница 26: ...AL 1 Disconnect the power supply cord 2 Open the door slightly 3 Insert a putty knife thickness of about 0 5mm into the gap between the choke cover and door frame as shown in Figure C 5 to free engaging parts 4 Pry the choke cover by inserting a putty knife as shown Figure C 5 5 Release choke cover from door panel 6 Now choke cover is free NOTE When carrying out any repair to the door do not bend ...

Страница 27: ...of microwave energy from oven cavity during cook cycle This function does not require that door be air tight moisture conden sation tight or light tight Therefore occasional appear ance of moisture light or sensing of gentle warm air movement around oven door is not abnormal and do not of themselves indicate a leakage of microwave energy from oven cavity Figure C 7 Door Replacement 4 SEALER FILM 1...

Страница 28: ...rmance standard for microwave ovens must be used for testing 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 15ml of water initially at 20 5 C in the centre of the oven tray The water container should be a low form of 600 ml beaker with inside diameter of approx 8 5cm and made of an electrically non c...

Страница 29: ... TEMPERATURE FUSE 150ºC OVEN RY 2 RY 1 NOISE FILTER EARTH BLU BRN NEUTRAL LIVE G Y FUSE F10A N L LINE CROSS CAPACITOR 0 068μ AC250V NOISE SUPPRESSION COIL LINE BYPASS CAPACITOR 0 0022μ AC250V LINE BYPASS CAPACITOR 0 0022μ AC250V AH SENSOR F 3 F 2 F 1 230 240V 50Hz AH SENSOR F 3 F 2 F 1 POWER TRANSFORMER MAGNETRON H V RECTIFIER H V FUSE 0 8A CAPACITOR 1 13μ AC2300V TURNTABLE MOTOR FAN MOTOR OVEN LA...

Страница 30: ...RN GRN GRY GRN BLK GRY BLU PNK GRY FAN MOTOR OVEN CAVITY BACK PLATE POWER SUPPLY CORD TEMPERATURE FUSE OVEN RED GRY 2 1 1ST LATCH SWITCH COM NO GRY WHT WHT WHT RED BRN WHT RED CN B BLK 2 1 CN A OVEN LAMP RED PNK RED PNK GRN HIGH VOLTAGE FUSE NOISE FILTER N L WHT RED G Y PNK BLK RED GRY GRY WHT RY2 RY1 SP1 IC1 2ND INTERLOCK RELAY CN A CN B CN G CN C CN C T1 1 2 1 2 N O N O COM COM CONTROL UNIT CPU ...

Страница 31: ... ZD1 HZ16 1 R1 2 4K R9 J1 D10 Y2 SP1 CN C GND VC INT BUZZER OL FM TTM MICRO 2ND INTERLOCK RELAY CONTROL SWITCH 2ND INTERLOCK RELAY CONTROL SWITCH OMIF S 124LM DU24D1 1P M R C7 NC Q1 2SB1238 R2 680 1 2W R3 510 1 2W R6 3 3K R4 27 D5 D6 Q2 2SB1238 C10 R5 4 7K Q3 DTD143ES C8 C11 Hz Free C1 VA C9 VR LED B02B XASK 1 CN B B2P VH B IFNOTSPECIFIED1 4W 5 IFNOTSPECIFIED1SS133 or 1SS270A IFNOTSPECIFIED0 1uF 5...

Страница 32: ...R380L W 13 4 4 CPU Unit Circuit Figure S 2 b CPU Unit Circuit Figure S 2 c ...

Страница 33: ...1 OSC2 OSC1 VSS BZ COM0 COM1 COM2 COM3 COM4 COM5 COM6 COM7 SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 VC1 VC2 VC3 VC4 VC5 CF CE CD CC CB CA COM8 COM9 COM10 COM11 COM12 COM13 COM14 COM15 COM16 SEG39 SEG38 SEG37 SEG36 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 ...

Страница 34: ... Figure S 3 Printed Wiring Board of Power Unit 0 DIP SW R3 SP1 R2 E B R1 C4 C2 C5 RY2 RY1 VRS1 P S T1 RY3 D6 D1 D4 D8 D2 D3 D20 D5 R4 Q2 Q3 B B E E R6 D9 D7 J2 J1 D10 R5 R9 ZD1 1 2 C3 C1 CN C CN A CN B CN D SH B SH A RED GREEN 1 1 1 2 2 12 Sn Ag Cu ...

Страница 35: ...R 2 REF NO 3 PART NO 4 DESCRIPTION Parts marked may cause undue microwave exposure Parts marked are used in voltage more than 250V PartsGuide 1 OVEN PARTS 2 DOOR AND CONTROL PANEL PARTS INDEX CONTENTS DOOR PROTECTION SHEET SPADPA204WRE0 TOP PAD ASSEMBLY FPADBA663WRKZ PLASTIC BAG SSAKHA034WRE0 Not replaceable items PACKING CASE SPAKCE479WREZ R380L W SPAKCE482WREZ R380L S BOTTOM PAD ASSEMBLY FPADBA6...

Страница 36: ... 7 7 3 1 10 1 9 4 10 7 2 7 5 7 2 7 8 4 11 7 4 7 5 4 12 4 12 1 5 1 4 1 14 4 2 1 1 1 1 1 11 7 7 7 10 7 10 7 7 6 4 7 10 7 9 4 20 7 1 7 1 1 13 1 12 7 2 7 2 7 10 7 10 7 10 7 8 7 8 4 8 1 8 7 11 7 8 1 2 2 3 2 2 4 14 4 21 4 18 4 19 4 16 1 3 4 15 1 6 7 1 6 1 6 2 4 7 6 5 2 3 2 3 2 3 4 6 7 5 4 12 7 1 ...

Страница 37: ...ble 1 11 RV MZA295WRE0 BF Magnetron 1 12 FPWBFA426WRKZ AU Noise filter 1 13 QFS CA026WRZZ AH Fuse F10A 1 14 QFS IA011WRZZ AQ High voltage fuse 0 80A 1 15 FDTCTA230WRKZ AX AH sensor assembly CABINET PARTS 2 1 GCABUA883WRPZ BF Outer case cabinet R 380L W 2 1 GCABUA935WRPZ BD Outer case cabinet R 380L S 2 2 FDAI A269WRYZ AW Bottom plate 2 3 GLEGPA074WRE0 AC Foot OVEN PARTS 4 1 PHOK A131WRFZ AL Latch ...

Страница 38: ...R380L W 4 2 DOOR AND CONTROL PANEL PARTS 6 6 6 8 6 7 3 2 3 2 1 3 2 2 3 4 3 3 3 1 3 5 3 5 5 1 5 3 5 2 5 4 5 5 5 7 5 6 ...

Страница 39: ...AG Open button R 380L W 3 3 JBTN B385WRTZ AM Open button R 380L S 3 4 MSPRCA050WRE0 AB Button spring 3 5 XEPS730P08XS0 AB Screw 3mm x 8mm DOOR PARTS 5 1 FDORFA403WRTZ BF Door panel 5 2 PSHEPA382WRE0 AH Sealer film 5 3 GWAKPB075WRFZ AU Door frame R 380L W 5 3 GWAKPB076WRTZ BA Door frame R 380L S 5 4 HPNL A882WRRZ AU Door screen R 380L W 5 4 HPNL A887WRRZ AU Door screen R 380L S 5 5 LSTPPA188WRF0 AG...

Страница 40: ...1 4 10 AC PSHEPA382WRE0 2 5 2 AH PSHEPB233WREZ 2 3 2 1 AP PSHEPB236WREZ 2 3 2 1 AP PSPAJA007WRFZ 1 4 19 AF Q QACC A139WRZZ 1 1 3 QACC A142WRZZ 1 1 3 AQ QACC A156WRZZ 1 1 3 QFS CA026WRZZ 1 1 13 AH QFS IA011WRZZ 1 1 14 AQ QFS TA014WRE0 1 1 7 AG QSW KA075DRZZ 2 3 2 2 AQ QSW MA085WRE0 1 1 1 AF QSW MA086WRE0 1 1 2 AF QSW MA137WRE0 1 1 1 AH QSW MA138WRE0 1 1 2 AH QSW MA147WRZZ 1 1 1 AG QSW MA148WRZZ 1 1...

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