SERVICE Manual
Contents
1. Nn 14027 1K 470uF M 470uF M R 470uF M 22uF M 0 iuF Z P50 18 id 6 1 2 P54 14 ids eee rn rn P57 14 e io gt CONO2 E 1 BUZ ied 28 ine 24y 58 5 io gt GE 59 22 21 255 10UF M lt T 60 P01 P44 22 gt 46 1 KXW396 03AV_ 1 E de 1 i 24 S 5 Se 13 Dar P42 24 13d og m KSR2005 KSR2005 1K KSR2005 2 KSR20051 41 25 waa 220 L 1 1 __ VFDP 10 lt 24y lt 45 23 27 e mot n M 26 P40 pe 45v z s p z z Es E KSR1005 o BM 521 10 OPTIONI gw ik 5 9 NE ovx zie 19 007 ee V3 SVS SV3 IV NS 528 Ch sa Ez lt 5 3225 2 8 3 ais aie 85 se St 5 1 co Z Q06 33 ro z N 4 49 KSR1005 24y Np Pi 48 xa P16 47 1 04 P17 45 4 56 P05 O poo v 37 P20 0 CONO5 KSR1005 m 3 FCZ254 14SL gt IN4148M r 3 010 Kt 36 P22 Pio 53 T RIB 10K 40K onde Ne Nw 36 P24 MORE POWER C certs ule By ie A A LES LEVEL K lt 5 P 40 2 iN4l4eM 3 9 poor SHIEH LENA E 3 9K a 7 6 5 4 3 2 1 OPTION lt O 71 en a oL i M 2 2 3 9K PAUSE HOLD CLOCK amp CUSTOM CUSTOM HELP OPTION cio R17 2 1o Rig B p CANCEL TIMER AUTO VOLUME COOK4 COOK2 SCRE2. 18 10506 M W 56 1 M 17 DE92 90189D ASSY GUIDE ROLLER D19 STD 1 M 18 DE67 60026C COUPLER PTFE 126 WHT M B245 1 M 19 DE61 40065A FOOT PP BLK T2x22x17mm 2 M 20 DE80 10001C BASE PLATE SGCC T0 8 W 345 L565 M R5481G 1 M 21 DE31 10154A MOTOR DRIVE M 2HJ 49ZR02 ST 16 21V 5 6 1 M 22 DE71 60011A COVER M GT PP T2 0 W HT M 745 1 M 23 ASSY CONTROL BOX 120V60Hz M R5483G XAA D GRY 1 MR5483G M 23 ASSY CONTROL BOX 120V60Hz M R5484W WHT 1 MR548N M 24 ASSY DOOR TOUCH GRAY M W5471G 1 MR543G e M 24 ASSY DOOR TOUCH WHT MW 5470W 800W 1 MR5484W e M 25 DE61 80003A HINGE LOW ER SCP1 T2 3 26 77 ZPC3 WHT CHR 1 M 26 DE61 80002A HIN GE UPPER SCP1 T2 3 26 77 ZPC3 WHT CHR 1 M 27 DE39 20037G ASSY POWER CORD KKP 30B 120V60HZ 1150 GRY 1 M 28 DE47 20173A THERM OSTAT PW 2N 90 60 30 187Y 250V7 5A 1 M 29 DE63 90035G CUSHION RUBBER DFA20 2 W 190 L100 BLK 1 M 30 DE61 50490A BRACKET TCO SECCI T0 6 34 58 1 M31 DE91 70101C ASSY THERM OSTAT M W 5574W 160 60 187 HORIZ 1 M 32 DE60 60025A 1350 BLK 1 Option Parts Samsung Electronics A Warning A Electrostatically Sensitive Devices 3 2 Exploded Views and Parts List 3 3 Door Parts List Ref No Parts No Description Specification Q ty Remarks 01 DE64 40241B DOOR A ABS WHT HRO370 GRY MW 54716 1 M R5483G D 1 DE64 40241A DOOR A ABS WHT M 841 1 M R5484W D2 DE64 40006A
3. Pretaution 1 2 Special Servicing Precautions Continued 17 When checking the continuity of the witches or transformer always make sure that the power is OFF and one of the lead wires is disconnected 18 Components that are critical for safety are indicated in the circuit diagram by shading or 19 Use replacement components that have the same ratings especially for flame resistance and dielectric strength specifications A replacement part that does not have the same safety characteristics as the original might create shock fire or other hazards 1 3 Special High Voltage Precautions 1 High Voltage Warning Do not attempt to measure any of the high voltages this includes the filament voltage of the magnetron High voltage is present during any cook cycle Before touching any components or wiring always unplug the oven and discharge the high voltage capacitor See Figure 1 1 2 The high voltage capacitor remains charged about 30 seconds after disconnection Short the negative terminal of the high voltage capacitor to the oven chassis Use a screwdriver 3 High voltage is maintained within specified limits by close tolerance safety related components and adjustments If the high voltage exceeds the specified limits check each of the special components Fig 1 1 Discharging the High Voltage Capacitor 1 2 Samsung Electronics 2 Control Panel One Minute One Minute Button 7 Pa
4. DOOR KEY POM TC3005 T2 0 1268 BLK CE945G 1 M R5483G D2 DE64 40006B DOOR KEY POM TC3005 T2 12GR WHTMW5574 1 M R5484W D3 DE61 70032A SPRING KEY ES HSWR P10 6 D5 4 L25 M W 8640 1 D4 DE67 20157B SCREEN DOOR PC T0 5 181 5 331 5 GRY MW 54716 1 M R5483G D4 DE67 20157A SCREEN DOOR PC T0 5 188 331 PURE W HT NEW GU 1 M R5484W D5 DE92 50127G ASSY DOOR E W ELDIN G T0 8 1 D 6 DE64 40012A DOOR C RESIN PP TB53 T2 0 CE945GF BLACK 1 D7 DE01 00002B FILM DOOR PC T0 15 275 175 MW5574W 1 D8 DE92 40207B ASSY DOOR SUB M W 55756 BLK DOOR FILM 1 M R5483G D8 DE92 40207A ASSY DOOR SUB M W 5574W WHT DOOR FILM 1 M R5484W 3 4 Control Parts List Ref No Parts No Description Specification Q ty Remarks C1 DE66 20010B BUTTON PUSH ABS D GRY M W4371G 1 R5483G C1 DE66 20010A BUTTON PUSH ABS VH 080 W HT 17 6G M W4370W 1 M R5484W C2 DE61 70076A SPRING BUTTON HSWR PI0 6 1 C3 DE34 10217Y SW ITCH M EM BRANE PET W 91 5 L174 5 M R5483G 120V 1 M R5483G C 3 DE34 10217Z SW ITCH M EM BRANE PET W 91 5 1174 5 R5484W 120V 1 M R5484W C4 DE72 70161B CONTROL PANEL ABS HR0370U GRY M W5471G 1 M R5483G C4 DE72 70161A CONTROL PAN EL A BS VH 0800 PURE W HT M W 5470W 1 M R5484W C5 DE67 40003A WIN DOW DISPLAY ACRYL T2 3 W 36 8 L91 8 SM 1 C6 DE91 10368A ASSY PC B MAIN 120V 60HZ NS V ED N HEL 1 C7 DE93 30402F ASSY CONTROL PANEL M R5481G WINDOW SHEET 1 M R5483G C7 DE93 30402 ASSY CONTROL PANEL M 94B SBW 1 M R5484W 7 5 Body Latch Parts List Ref No Parts No Description Specification Q ty R
5. WAT WHT T EE EE 2 POWER SECONDARY S W RELAY GRN leo MAIN POWER DOOR ASS Y P C B RELAY RELAY SENSING S W CONDITION No Lan noH NO puou gwez ME REN RSEN HERE ogu 988 3 LAMP ON YEL YELLOW BLK Lw 4 P C B PATTERN BLU BLUE 5 MI P C BIN OUTPOINT ORG ORANGE GEN GREEN PRIMARY SECONDARY INTERLOCK DOOR RED RED INTERLOCK INTERLOCK MONITOR SENSING SWITCH SWITCH SWITCH SWITCH MAGNETRON HIGH VOLTAGE DIODE 1 Sa CHASSIS lt Ir t j HIGH VOLTAGEICAPACITOR RED RED ORG WHT MA BLK Sd BLK HIGH VOLTAGE TRANSFORM ER 5 1 Samsung Electronics
6. EN BROWNER m ip OduF Z 00K Or CH 10K e p dp A HO Suet UTO AUTO BABY FROZE 24y GO m p DEFROST REHEAT poop CHICKEN VEGETABLE FISH RICE BREAKFAST EEE h 2 9 A OK FRESH 1 wow p FROZEN JE rese iat p o POTATO POP CORN ONE MIN START ut pa 44 4 2 2 P 4 1 120 0 2m ls at 4 1 l a YA cia ico P07 44 A7K J ia 4587 3 LM2904 1 mu MM L4 1 1 i HEATER 25 23 OK FA FT 100k FT IKF 104 7 1 I x1 II i NOTIES 1 17221 GAS SENSOR OPTION DIAGRAM ELECTRIC 3 DOOR 4 OPTIO SOUND LEVEL OPTION IS OPENED N KEY II 9 amp 13SHORTED USA 2ND V F D Samsung Electronics 4 1 P C B Diagrams 4 2 P C B Parts List Parts No Description Specification Q ty Remarks 0401 001002 DIODE SW ITCHING 1N 4148M 100V 200mA 500mW 16 D05 20 0402 000559 DIODE RECTIFIER D4G 400V 1A T 1 3 D01 02 04 0501 000283 TR SM ALL SIGNAL KSA539 Y PNP 400mW 92 1 Q08 0504 001014 TR DIGITAL KSR1005 N PN 300mW 4 7K 10K TO 5 Q01 06 07 09 10 0504 001015 TR DIGITAL KSR2005 PNP 300mW 4 7K 10K TO 4 Q02 05 1405 000129 VARISTOR INR14D271K 270V 4500A 17X12M MT 1 ZNR1 2001 000037 R CARBON S 3300hm 5 1 2W AA TP 2 4x6 4 2 R03 04 2001 000273 R CARBON 100Kohm 5 1 8W AA TP 1 8x3 2m 2 R17 21 2001 000290 R CARBON 10Kohm 5 1 8W AA T
7. P 1 8x3 2mm 5 R07 10 14 15 19 2001 000429 R CARBON 1Kohm 5 1 8W AA TP 1 8x3 2mm 4 R05 06 11 12 2001 000515 R CARBON 2200hm 5 1 8W AA TP 1 8x3 2mm 1 R09 2001 000577 R CARBON 2Kohm 5 1 8W AA TP 1 8x3 2mm 1 R13 2001 000613 R CARBON 3 9Kohm 596 1 8W AA TP 1 8x3 2m 8 R16 18 20 26 30 2001 000780 R CARBON 4700hm 5 1 8W AA TP 1 8x3 2mm 2 RO1 02 2001 000786 R CARBON 47Kohm 5 1 8W AA TP 1 8x3 2mm 20 R31 50 2001 000904 R CARBON 6200hm 5 1 8W AA TP 1 8x3 2mm 1 R08 2011 000582 R NETW ORK 47Kohm 5 1 8W A SIP 9P TP 1 ARO1 2202 000121 C CERAM IC M LC AXIAL UP050B101KBB 100PF 1 1 C09 2202 000127 C CERAM IC M LC AXIA L TP050F103ZB LONF 80 1 C10 2202 000780 C CERAM IC M LC AXIAL UP050F104Z 100N F 80 4 C05 07 11 2401 000247 C AL 1SATANB107MAN 1000 20 10V GP 6 3X 1 C14 2401 000466 C AL CESSM 1V100M 0507 10UF20 35V GP 5X7 1 C08 2401 000914 C AL CESSL1C220M 0511AA 22UF20 16V GP 5 1 C03 2401 001412 C AL 1SG1VFB477M AN 470UF 20 35V GP 10X1 2 C01 02 2802 000161 RESONATOR CERAM IC CST4 00M GW TF01 3 CN 4 1 X TAL 3501 001014 RELAY POW ER OM 1F S 124LM 24V 21 8M A 17A 1 RY02 3501 001016 RELAY M INIATURE J V24 KT 24V 12 5M A 5A 1F 1 RYO1 3708 000529 CONNECTOR FPC FC PIC FCZ254 14SL BLK 14P 1 CONO5 3711 000240 CONNECTOR HEADER 1W ALL 4P 1R 3 96mm S TRA 1 CONOI 3711 000881 CONNECTOR HEADER SM W 250 03 W HT BOX 3P 1R 1 CON04 A4106 0154 DIODE ZENER TZP5 1B 5 1 5 7V 40MA T 1W 3 2001 03 DE07 10035A V F DISPLAY SVM 075510 SEA 1 VFD1 DE09 30491A IC M CU M B89143A
8. P 168 8K DIP 64PIN 1 ICO1 DE13 20009A IC KA7533 DIP 1 IC02 DE26 20144A TRANS L V DN 5574W CE 5574W 120V 60HZ AC 1 LVTI DE30 20016A BUZZER CBE2220BA STICK 1 BUZI DE39 60001A WIRE SO COPPER PI0 6 SN T 52MM 25 01 25 DE60 60012A PIN EYELET ID2 1 002 5 L3 0 SN BSP T0 25 8 DE61 90164A HOLDER DIGITRON NYLON 66 T1 8 M W 4370 1 Samsung Electronics 4 2 5 Schematic Diagrams WARNING NOTE FOR SERVICE REPLACEMENT USE 16 GA 105 C THERMOPLASTIC COVERED WIRE EXCEPT POWER MUST BE DISCONNECTED FOR HIGH VOLTAGE LEADS OR AS NOTED BEFORE SERVICING THIS APPLIANCE ON SPECIAL LEADS ASSY CHOKE P C B MGT CAVITY PRIM ARY S W SEE EEE EEE TCO TCO H V TRANS BLK BLK o BLK BLK 27 1 0 H V DIODE I I TE E an 1 GRN oF POWER CORD SUE AC 120V 60Hz 4 WN 77 Z 5 G Di 5 7777 s GND ee 0 l 1 inti fij Tol MAGNETRON _ 5
9. T0 6 W 253 L264 5 M R5481 1 2 DE72 50092A DUCT AIR SGCC T0 6 W150 L212 M R5481G 1 3 TRIM M ER LOW ER 1 14 TRIM M ER UPPER 1 Samsung Electronics 3 4 r 4 F2 01 24 gt 4 P C B Diagrams 4 1 P C B Diagrams KAZBO5A a s p fe 02 p SEK gt p fe fe le bi 1 1003 P gt 45 INTO m VERNER Dx OO TZP 5 18 04 1 046 29 MODA D EE E ROS cos EE Peo 9 I Je 123233 D i C04 i 1K 0 1uF Z 62 AVSS 254 5 gt zp 1 i 1000uF M P53 15 14 Su p P55 13 14 CONO3 J COE P52 16 1 2 fuF P67 2 a 64 ycc a d Hog 002 004 sv 63 AVA P amp 4 4 qn 45 046 046 A733 106 6 9 1 1 1 4 R04 8 P51 17 in momo 24y 1c02 28 ASTX PB 7 EM T E las Pot id R CO1 n C14 C03 007 P56 12
10. amm MICROWAVE OVEN M R5483G M R5484W Manual Supplement EMEN THIS SUPPLEM ENT CONTAINS EXPLODED VIEW AND PARTS LIST FOR M ODEL M R5483G M R5484W FOR MORE SERVICING INFORM ATION PLEASE CONSULT THE PREVIOUS SERVICE MANUAL FOR M R5481G M R5482W WHICH WAS DISTRIBUTED IN APRIL 1998 MICROWAVE OVEN CONTENTS 1 Precaution 2 Control Panel 3 Exploded View amp Parts List 4 P C B Diagram 5 Schematic Diagrams Specifications TIM ER 99 MINUTES 99 SECONDS POW ER SOURCE 120V 60Hz AC POWER CONSUMPTION MICROWAVE 1 300W OUTPUT POW ER 90W 900W IEC 705 TEST PROCEDURE OPERATING FREQUENCY 2 450M Hz M AGNETRON OM 75PH 31 ESS COOLING M ETHOD COOLING FAN M OTOR OUTSIDE DIM ENSIONS 207 W x 11 H x 14 D SEA 1 Precaution Follow these special safety precautions Although the microwave oven is completely safe during ordinary use repair work can be extremely hazardous due to possible exposure to microwave radiation as well as potentially lethal high voltages and currents 1 1 Safety precautions 1 10 All repairs should be done in accordance with the procedures described in this manual This product complies with Federal Performance Standard 21 CFR Subchapter J DHHS Microwave emission check should be performed to prior to servicing if the oven is operative If the oven operates with the door open Instruct the u
11. e Primary and secondary switches as well as the Interlock Monitor Switch The correct adjustment of these switches is described elsewhere in this manual Make sure that the fuse has the correct rating for the particular model being repaired Design Alteration Warning Use exact replacement parts only i e only those that are specified in the drawings and parts lists of this manual This is especially important for the Interlock switches described above Never alter or add to the mechanical or electrical design of the MWO Any design changes or additions will void the manufacturer s warranty 10 Always unplug the unit s AC power cord from the AC power source before attempting to remove or reinstall any component or assembly Never defeat any of the B voltage interlocks Do not apply AC power to the unit or any of its assemblies unless all solid state heat sinks are correctly installed Some semiconductor solid state devices are easily damaged by static electricity Such components are called Electrostatically Sensitive Devices ESDs Examples include integrated circuits and field effect transistors Immediately before handling any semiconductor components or assemblies drain the electrostatic charge from your body by touching a known earth ground Always connect a test instrument s ground lead to the instrument chassis ground before connecting the positive lead always remove the instrument s ground lead last 1 1
12. emarks B1 DE66 40001A LATCH BODY POM F20 02 40GR NTR 1 B2 3405 000178 SW ITCH M ICRO VP 533A 0F PS T85 250V 15A 3 B3 3405 000175 SW ITCH M ICRO VP 531A OF T85 250V 15A 20 1 B 4 DE66 90001A LEVER SWITCH P 0 M F20 02 2 6 NTR 2ND W 1 3 3 Samsung Electronics Exploded Views and Parts List 3 6 Standard Parts List Parts No Description Specification Q ty Remarks DE60 10082A SCREW A M 4 L12 2S TOOTHED 2 BASE DE60 10088A SCREW TAP PH PH M 3 L8 FEFZY PLAIN 2 PCB DE60 10082A SCREW A M 4 L12 25 TOOTHED 2 B LATC DE60 10082A SCREW A M 4 L12 25 TOOTHED 2 C PANE DE60 10082A SCREW A M 4 L12 25 TOOTHED 5 O PANEL DE60 10082A SCREW A M 4 L12 25 TOOTHED 1 P EART DE60 10080A SCREW WASHER M 5 L12 25 4 HVT DE60 10080A SCREW WASHER M 5 L12 25 4 MGT DE60 10033A SCREW TH TH M 4 L10 M SW 10 FEFZY 2 HI LOW DE60 10082A SCREW A M 4 L12 2S TOOTHED 2 C BLOW DE60 10033A SCREW TH TH M 4 L10 MSWR10 FEFZY 2 HI UPP DE60 10045A SCREW TAP PH PH M 3 L6 FEFZY 2 DE60 10082A SCREW A M 4 L12 25 TOOTHED 1 M EM PN DE60 10098A SCREW ASSY TAPTITE PH TC M 4X8 SWRCH18A Z 1 CV TCO DE60 10098A SCREW ASSY TAPTITE PH TC M 4X8 SWRCH18A Z 2 M GEAR DE60 10113A SCREW TAP 25 4 12 FE ZPC3 1 FUSE H DE60 10188A SCREW ASSY 25 4 8 M SW 3ZPC YEL WS 1 B HVC 3 7 Installation Parts List Ref No Parts No Description Specification Q ty Remarks 1 DE70 40311A PLATE BOTTOM SGCC
13. ser not to operate the oven and contact the manufacturer and the center for devices and radiological health immediatly Notify the Central Service Center if the microwave leakage exceeds 5 mW cm Check all grounds Do not power the MWO from a 2 prong AC cord Be sure that all of the built in protective devices are replaced Restore any missing protective shields When reinstalling the chassis and its assemblies be sure to restore all protective devices including nonmetallic control knobs and compartment covers Make sure that there are no cabinet openings through which people particularly children might insert objects and contact dangerous voltages Examples Lamp hole ventilation slots Inform the manufacturer of any oven found to have emmission in excess of 5 mW cm Make repairs to bring the unit into compliance at no cost to owner and try to determine cause Instruct owner not to use oven until it has been brought into compliance CENTRAL SERVICE CENTER Service technicians should remove their watches while repairing an MWO Samsung Electronics 11 12 13 14 15 16 To avoid any possible radiation hazard replace parts in accordance with the wiring diagram Also use only the exact replacements for the following parts Primary and secondary interlock switches interlock monitor switch If the fuse is blown by the Interlock Monitor Switch Replace all of the following at the same tim
14. use Canel Button Auto Defrost Button 8 Start Button Power Level Selection Button 9 Instant Cook Buttons Clock Auto Start Button 10 Auto Reheat Button Hold Timer Button 11 Number Key Buttons More Less Button Samsung Electronics 2 1 3 Exploded Views and Parts List 3 1 Exploded Views Samsung Electronics 3 1 Exploded Views and Parts List 3 2 Main Parts List Ref No Parts No Description Specification Q ty Remarks 1 DE70 30001W PANEL OUTER V STEEL T0 5 70 2 W 360 1128 1 M R5483G 1 DE70 30001U PANEL OUTER SECC T0 6 W 360 L1128 W HT M R548 1 M R5484W M 2 DE91 40100A ASSY NOISE FILTER SN U15A 250V 15A SECA 1 M3 DE63 90192A CUSHION GUIDE PUT FOAN T35 W 20 L325 BLK M R54 1 M 4 DE31 10156B M OTOR FAN SM F 557UC 120 60 2600 M W5574W 1 M 5 DE39 40594A WIRE HARNESS A 120V60HZ M R6471G M R5471G R V 1 M 6 DE47 20009A THERM OSTAT CS 7SA 160 60 187Y 250V7 5A 1 1 M 7 DE03 30035A M AGNETRON OM 75PH 31 ESS 1 M 8 4713 001012 LAM P INCAN DESCENT 130V 40W ORG B L 2 1 M 9 DE71 60016A COVER AIR PP 2 WHT M 945 M B45 1 M 10 DE93 20001B ASSY BODY LATCH M W5371G 2ND W 1 R V 1 M 11 DE66 90013A LEVER DOOR POM F20 01 NTR M W 56307 1 M 12 DE26 10134A TRANS H V SHV 5574UC1 120V 2160V 3 35V 1 A M 13 2501 001011 C OIL 910nF 2100V BK 54x35x75 20mm 1 M 14 DE61 50106A BRACKET HVC SECC T0 8 W 31 L125 8 1 M 15 DE91 70063A ASSY H V D V2M 6 PI9 0 0 05MT 1 M 16 DE74 20015B TRAY COOKING GLASS T6 0
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