Sanyo EM-SL30NEUK Скачать руководство пользователя страница 9 | Manualshive

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COMPONENT CHECKOUT PROCEDURE RESULTS

Measure the resistance : Across two terminals with an
ohm-meter on its highest scale.

Normal reading :
Indicates continuity.

Abnormal reading :
Indicates infinite ohms.

Measure the voltage : Between test points TP-1,TP-2
and ground ( See control circuit board on page 24 ).

NOTE

Proceed with the check of the step down transformer, to
see if any one of the measured values is different from the
specified values

Figure 10

-8-

HV FUSE

Test TP-1 TP-2

point

Voltage -5V -15V

DC DC

CONTROL
CIRCUIT
BOARD
COMPLETE

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Содержание EM-SL30NEUK

Страница 1: ...ron or other microwave source and make repairs if necessary 1 Interlock operation 2 proper door closing 3 seal and sealing surfaces arcing wear and other damage 4 damage to or loosening of hinges and latches 5 evidence of dropping or abuse c Before turning on microwave power for any service test or inspection within the microwave generating compartments check the magnetron wave guide or transmissi...

Страница 2: ...curely locked 3 Tighten the lever stopper screws securely 4 Make sure the interlock monitor is closed after the primary interlock switch opens when the door is opened very slowly according to CHECKOUT PROCEDURE FOR SWITCHES on page 9 5 Make sure the interlock monitor is open before the primary interlock and secondary interlock switches close when the door is closed very slowly according to CHECKOU...

Страница 3: ...E TAKEN BEFORE SERVICING 1 Before the power is applied a Open and close door several times to make sure the primary interlock switch the door sensing switch and the interlock monitor switch operate properly Listen for the clicking sound from switches Make sure the interlock monitor switch is closed after the primary interlock switch is opened when the door is opened See pages 1 and 9 b Make sure t...

Страница 4: ... More Less Key 8 Personal Menu Keys 9 Slow Cook 10 Dual Cook 11 Quick Start 12 Clear Stop 13 Start 14 Rotary Dial 3 5 OVEN CONTROL PANEL Figure 1 Notes A beep tone sounds when a pad on the control panel is touched to indicate a setting has been entered When setting the controls you can keep your finger on a key until the desired setting is reached 10 13 3 2 4 6 8 7 9 12 ...

Страница 5: ...CH SC2 DOOR SENSING SWITCH SC3 INTERLOCK MONITOR SWITCH HT GRILL HEATER THERMOSTAT MTCO MAGNETRON CAVITY FIRE THERMAL CFTCO CUT OUT SHTCO CONVEC HEATER THERMAL CUT OUT RL1 MAIN RELAY RL2 POWER CONTROL RELAY RL3 GRILL HEATER RELAY RL4 CONVEC HEATER RELAY RL5 FAN MOTOR RELAY IR INRUSH RESISTOR Figure 3 BM BLOWER MOTOR CM CONVEC FAN MOTOR TM TURNTABLE MOTOR DM DUMPER MOTOR CL OVEN LAMP H GRILL HEATER...

Страница 6: ...gnetron is operating correctly and producing any other power setting apart from full power 7 TEST PROCEDURES AND TROUBLESHOOTING CAUTION DISCONNECT THE POWER SUPPLY CORD FROM THE WALL OUTLET WHENEVER REMOVING THE CABINET FROM THE UNIT PROCEED WITH THE TESTS ONLY AFTER DISCHARGING THE HIGH VOLTAGE CAPACITOR AND REMOVING THE LEAD WIRES FROM THE PRIMARY WINDING OF THE HIGH VOLTAGE TRANSFORMER See Fig...

Страница 7: ...tes several ohms and gradually returns to 10 Meg ohm Abnormal reading Indicates continuity or 10MΩ from the beginning Measure the resistance Across two terminals with an Normal reading ohm meter on its highest scale Indicates over 10MΩ in one direction forward direction and infinite ohms in the reverse direction using meter which is provided with a 9 volt battery NOTE Some digital meters may show ...

Страница 8: ...ading Approximately 300 ohms Normal Reading Approximately 180 ohms Normal Reading Approximately 16K ohms Measure the resistance After removing the lead wires from the convection heater with an ohm meter on R x 1 scale Measure the resistance After removing the lead wires from the grill heater with an ohm meter on R x 1 scale Measure the resistance After removing the lead wires from the blower motor...

Страница 9: ...mal reading Indicates infinite ohms Measure the voltage Between test points TP 1 TP 2 and ground See control circuit board on page 24 NOTE Proceed with the check of the step down transformer to see if any one of the measured values is different from the specified values Figure 10 8 HV FUSE Test TP 1 TP 2 point Voltage 5V 15V DC DC CONTROL CIRCUIT BOARD COMPLETE ...

Страница 10: ...es connecting an ohm meter to its terminals Primary Interlock Door Sensing Connect an ohm meters leads to terminals COM and NO of switch Interlock monitor Connect an ohm meters leads to terminals COM and NC of switch CAUTION After checking the switches make sure that the interlock monitor switch is properly connected according to the CIRCUIT DIAGRAM on page 4 9 ...

Страница 11: ...has blown see D REMOVING FUSE on page 16 0 230 0 Volt 0 230 230 Volt PROBLEM 1 b Control Circuit Board Check power supply voltage on control circuit board See page 8 Voltage incorrect Replace it if necessary Correct seating of connector S101 or replace control circuit board Replace touch keyboard Check resistance of touch keyboard See page 8 0 V 0 V Each Voltage OK 0 Check Resistance OK 0 Resistan...

Страница 12: ...nector S102 between pins with the door closed after removing connector S102 from control cct board Check contact of connector S102 PROBLEM 3a Correct Seating Poor Contact Normal Contact Contact OK Normal Door Sensing Switch Touch START key and measure voltage between the two wire leads from primary windings of H V transformer after removing the wire leads from terminals of H V transformer Replace ...

Страница 13: ...esistance of blower motor Approx 300 ohms No Operation Normal thermal protector for magnetron or thermal protector for cavity Normal Operation Temporarily short across terminals of thermal protector for magnetron or thermal protector for cavity by using jumper lead No Operation Normal Operation PROBLEM 3 b Check operation of blower motor when START key is touched Check resistance of each winding a...

Страница 14: ...isplay counts down when key is touched for Grill Cooking a Normal control circuit board Replace Heater 52 Normal Resistance 0 Resistance Incorrect Runs 100 150 450 700 850 Auto Start Def Time 1000 Check resistance of heater Approximately 48 7Ω measured over both terminals Set power level at low Touch START key and measure voltage between leads for primary winding of H V transformer after removing ...

Страница 15: ...en key is touched for Convection Cooking a Replace Heater 52 Normal Resistance 0 Resistance Incorrect Runs Runs 14 Check resistance of heater Approximately 46 ohms measured over both tubes Normal Heater PROBLEM 3 b Normal Operation Normal convec Motor Measure resistance of convec motor Approx 300 ohms No Operation Normal thermal protector for magnetron or thermal protector for cavity or thermal pr...

Страница 16: ...n 3 of connector S201 after removing from control circuit board Normal Oven Thermistor 9 PROBLEM Overheating even if the display window shows 160C for preheating Check normal operation of control circuit board and power circuit board NOTES When the oven thermistor circuit is open the display window will continuously show 160C even if the unit becomes overheated by continuous ON of the heater When ...

Страница 17: ... the waveguide Take out the magnetron VERY CAREFULLY NOTES When removing the magnetron make sure that its dome does not hit any adjacent parts or it may be damaged After replacing the magnetron be sure to check the microwave energy leakage with a leakage detector and confirm the leakage is below 5 mW cm2 D REMOVING FUSE A Remove the 8A fuse with a screwdriver When replacing the 8A fuse be sure to ...

Страница 18: ... release the hooks one by one 4 To detach the glass door panel insert a thin flat blade screwdriver between the door panel and door cover and release the clips one by one NOTES The choke dielectric the glass door panel and the door cover may be damaged when they are removed When re installing them replace them with new ones if they are damaged After installing the door in place check for microwave...

Страница 19: ...t Ins Plate 1 15 617 117 6698 Collar 1 16 617 075 1162 Fan 1 17 EWASHER E Washer 1 18 617 075 1476 Fan Base 1 9 EXPLODED VIEW AND PARTS LIST CAVITY PARTS A 18 Key Part No Description Q ty No 19 617 177 3231 Motor Complete 1 20 617 202 4561 Thermostat V122 C 1 21 617 177 3200 Heater Ass y 1 22 617 179 0733 Collar 1 23 617 206 5403 Heater Case Ass y 1 24 617 206 5359 Heat Insulator 1 25 617 206 5373...

Страница 20: ...Ass y 1 4 617 206 5717 Frame Rear Plate 1 5 617 206 5083 Cook Net 1 6 617 206 5090 Cook Net 1 7 411 156 5601 SCR TPG PAN F S 4x10 4 8 411 165 0406 SCR TPG TRS 4x10 SUS 1 9 411 053 9306 NUT HEX LFLC W SRT 4 1 10 412 048 6508 SCR TPG TRS 4x10 1 11 617 206 5335 Heat Insulator 1 10 3 2 8 9 1 6 5 11 4 7 EM SL30N CAVITY PARTS B ...

Страница 21: ...ead Wire Ass y 1 10 617 182 2915 HV Fuse 1 11 617 229 3769 Motor Complete 1 12 MO S1118 Magnetron 1 20 SWITCHES AND MICROWAVE PARTS Key Part No Description Q ty No 13 617 112 1025 Fan 1 14 MO M1211 Duct 1 15 617 195 3428 Latch Lever 1 16 617 189 0839 Lever Stopper 1 17 617 244 0651 Response Switch 1 18 617 244 0644 Response Switch 1 19 617 244 0651 Response Switch 1 20 MO S0587 Lamp 1 22 617 239 7...

Страница 22: ...nsformer 1 2 617 225 1721 Special Screw 2 3 617 225 6146 Bottom Plate Assembly 1 4 Gear Motor Cover 1 5 MO S0168 Foot Cushion Assembly 4 6 617 166 7493 Bottom Hinge 1 7 411 156 5602 SCR S TPG PAN F S 4x10 1 8 617 102 7495 Special Screw 2 21 1 3 4 5 8 6 7 EM SL30N 2 2 ...

Страница 23: ...inge 1 4 617 167 1292 Choke Dielectric 1 5 617 195 3411 Door Latch 1 6 617 101 1494 Spring 1 MO A0757 Door Assembly 1 22 3 2 4 6 5 EM SL30N Inner Door Panel always supplied with Door Main Frame but can be ordered seperately quoting number below NB Please refer to the detailed instructions for door setting on page 17 of the service manual before changing adjusting or repairing these parts 1 ...

Страница 24: ...ation Sheet 1 6 617 197 4836 PCB Complete 1 7 617 181 7980 Latch Lever 1 8 MO A0747 Handle Assembly 1 9 617 188 3329 Spring 1 10 617 224 1067 Knob Assembly 1 11 411 064 6608 SCR TPG BIN 3x8 11 13 617 331 3047 Special Nut Resin 1 MO P5254 Operating Instructions EUK 1 MO P5291 Carton Box 1 23 9 1 2 8 These items not illustrated CONTROL PANEL PARTS EM SL30N 3 11 4 7 6 10 5 11 ...

Страница 25: ...10 CONTROL CIRCUIT BOARD EM SL30N Model Spares No RL7 M Processor EM SL30N 617 241 1941 Yes IC11 LM8843 24 ...

Страница 26: ...K P61 AN1 9 OPEN 13 91 92 P46 OPEN 20 P44 OPEN 22 P45 21 2 2K 10K Q105 DTA123Y 2 2K 10K Q107 DTA143X 4 7K 10K Q110 DTA143X OPEN D108 P47 D110 D111 P40 OPEN 26 P52 OPEN 16 18 19 V5T1 P57 11 XIN XOUT P63 AN3 P62 AN2 1 2 3 S301 EH3P R304 10K C302 1000P 50V R303 10K R301 10K R302 10K 5V C301 1000P 50V 97 94 90 68 67 58 55 54 53 52 51 50 49 48 47 46 1 4 5 27 39 28 COM1 4 LCD1 H4062 COM0 3 SEG0 22 SEG23...

Страница 27: ... 7 Hg g g J h g N L 7 H f J 1 7 W J H e e e L g 5 g g 7 g J 5h3 1 J 5gW L J L 7 L 7 e e 5e e 1 g H f J 5g 5g 7 HhN W Yg7 1 7 1 J 1 e 5e HeJ e f J g 7 Hg Hg h L 7 Y f J L J 0M f I4 7 5e He e7 e L J f 7 g gJ g h 3 1 J YgW 0M he I4 1 7 0M I4 J J HeJ eJ e 5 J X 7 5 f gJ g7 gJ 5 h N W Y g7 0M I 0M I4 W 7 e7 e7 5 e H 7 1 H f 5g7 g g7 H he3 L 7 Hg J M V4 L J M I4 7 e e H e e gJ Hg g 5 g hfN 1 J 5 gW 0Y I...

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