Sanyo EM-D9552NECO Скачать руководство пользователя страница 23

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2002-09

Please Note

All the information that appears in this service manual was
correct at the time of production. SANYO Electric

Company

reserves the right to make changes to parts or processes in
order to maintain their policy of continuing improvement.

Содержание EM-D9552NECO

Страница 1: ...e repairs if necessary 1 Interlock operation 2 proper door closing 3 seal and sealing surfaces arcing wear and otherdamage 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 transmission line and cavity for proper alignmen...

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 8 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: ...er 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 7 b Make sure the perforated screen and the dielectric c...

Страница 4: ... More Less Key 8 Personal Menu Keys 9 MIcro Power 10 Delay Start 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: ... F HIGH VOLTAGE RECTIFIER HIGH VOLTAGE CONDENSER GM BM L NO COM HIGH VOLTAGE TRANSFORMER L1 L2 1mH C1 0 22 F C2 C3 4700PF R 1M C1 R C3 C2 L1 L2 230V 50Hz SC1 MTCO CFTCO 122ûC NC COM SC3 RL2 2 1 S101 TOUCH KEY BOARD CONTROL CIRCUIT BOARD SC2 COM NO RL3 RL4 5 1 3 RL1 ST S1 H HT 150ûo C FUSE 8A T H V FUSE 0 75A IR 25 OVEN CONDITION DOOR OPEN 4 The parts marked with are supplied with a high voltage wh...

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: ...cates 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 sho...

Страница 8: ...mal reading Indicates infinite ohms Measure the voltage Between test points TP 1 TP 2 and ground See control circuit board on page 20 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 7 HV FUSE Test TP 1 TP 2 point Voltage 5V 15V DC DC CONTROL CIRCUIT BOARD COMPLETE ...

Страница 9: ...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 8 ...

Страница 10: ...ctor for magnetron and AC Power Cord If the fuse has blown see D REMOVING FUSE on page 13 0 230 0 Volt 0 230 230 Volt PROBLEM 1 b Control Circuit Board Check power supply voltage on control circuit board See page 7 Voltage incorrect Replace it if necessary 0 V 0 V Each Voltage OK Normal control circuit board Replace control circuit board b Runs Runs Correct seating of connector S101 or replace con...

Страница 11: ...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 12: ... Blower Motor Measure resistance of blower motor Approx 274 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 resis...

Страница 13: ... Dual Grill Time D I R E C T A C C E S S EM G451 Time of day Grill Dual 150w Dual 450w Chilled Meal Liquid Jacket Potato Pizza Pork Chops Chicken Pieces Auto Defrost Down Up Timer Weight 100 150 450 700 850 1000 Power Delay Start Start C Clear Stop 100 150 450 700 850 Auto Start Def Time 1000 Runs Runs Check resistance of heater Approximately 41 7Ω measured over both tubes Set power level at low T...

Страница 14: ... 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 use an exact repair part If...

Страница 15: ...e 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 energy...

Страница 16: ...18 617 170 5058 Cook Net L 1 19 411 010 5600 SCR EVR PAN 3x6 1 Key Part No Description Q ty No 1 617 220 4376 Cabinet 1 2 411 156 5601 SCR TPG PAN F S 4x10 7 3 MO A0730 Cavity 1 4 MO S1121 Gear Motor 1 5 411 001 6005 SCR S TPG PAN 4x8 2 6 MO R0132 Special Washer 1 7 617 184 7659 Turntable Shaft 1 8 617 215 9560 Roller Base Ass y 1 9 617 167 1421 Glass Tray 1 10 MO A0737 Antenna Complete 1 11 617 1...

Страница 17: ...pacitor Band 1 9 MO S0856 Capacitor 1 14uF 1 10 MO S0947AS Diode Ass y 1 11 617 234 1934 Lead Wire Ass y 1 12 617 182 2915 HV Fuse 1 13 617 229 3769 Blower Motor 1 14 MO S1118 Magnetron 1 15 617 112 1025 Fan 1 16 MO M1211 Duct 1 EM SL20N Key Part No Description Q ty No 17 617 195 3428 Latch Lever 1 18 617 189 0839 Lever Stopper 1 19 617 244 0651 Door Sensing Switch 1 20 617 244 0644 Interlock Moni...

Страница 18: ...former 1 2 617 225 1721 Special Screw 2 3 617 225 6153 Bottom Plate Assembly 1 4 Gear Motor Cover 1 5 617 144 5435 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 17 1 3 4 5 8 6 7 EM SL20N 2 2 ...

Страница 19: ...inge 1 4 617 167 1292 Choke Dielectric 1 5 617 195 3411 Door Latch 1 6 617 101 1494 Spring 1 MO A0756 Door Assembly 1 18 3 2 4 6 5 EM SL20N 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 14 of the service manual before changing adjusting or repairing these parts 1 ...

Страница 20: ... 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 12 617 231 3047 Special Nut Metal 1 MO P5257 Operating Instructions EES 1 MO P5276 Carton Box 1 19 9 1 2 8 These items not illustrated CONTROL PANEL PARTS EM SL20N 3 11 4 7 6 10 12 11 13 ...

Страница 21: ...10 CONTROL CIRCUIT BOARD EM SL20N Model Spares No RL3 M Processor EM SL20N 617 224 0275 Yes IC11 LM8842 24 ...

Страница 22: ...560K D101 C101 1µ 50V R102 10K ZD101 RD3 9 ESB2 R101 1K RST 35 RL2 OPEN 7 8 TIMER SW SW BOARD 12700 OPEN OPEN OPEN OPEN OPEN LED1 LED2 LED3 LED4 LED5 R152 10K R151 390Ω R153 1 2K Q151 A564A 27 P77 15V 3 4 34 5V P67 AN7 P66 AN6 P70 R52 12K R54 12K R56 12K 37 36 P80 P81 OPEN OPEN 5V 4 23 12 OPEN OPEN C1 C2 1 100 OPEN OPEN 33 32 31 30 29 28 OPEN OPEN OPEN OPEN OPEN OPEN P71 P72 P73 P74 P74 P75 P76 P2...

Страница 23: ...e information that appears in this service manual was correct at the time of production SANYO Electric Company reserves the right to make changes to parts or processes in order to maintain their policy of continuing improvement ...

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