Sanyo EM607TW Service Manual Download Page 1 | Manualshive

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Sanyo EM607TW Service Manual Download Page 1

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Summary of Contents for EM607TW

Page 1: ...ng the magnetron or other micro c wave source and make repairs as necessary 1 Interlock operation 2 proper door closing 3 seal and sealing surfaces arcing wear and other dam age 4 damage to or loosening of hinges and latches 5 evidence of dropping or abuse Before turning on microwave power for any service test or inspection within the microwave generating com partments check the magnetron wave gui...

Page 2: ...JUSTMENT Figure 1 1 2 3 4 5 Loosen 2 screws securing the level stopper Adjust the lever stopper positioh so that it is pushed up and pull forward until there is about zero gap 2 1 Between the latch lever and the switch body on the door sensing switch 2 2 Between the latch lever and the switch body on the interlock monitor switch 2 3 Between the latch lever and the switch body on the primary interl...

Page 3: ...ITH GREAT CARE B TO AVOID POSSIBLE EXPOSURE TO MICROWAVE ENERGY LEAKAGE THE FOLLOWING PRECAU TIONS MUST BE TAKEN BEFORE SERVICING 1 Before the power is applied a Open and close door several times to make sure the primary interlock switch the interlock monitor switch and the door sensing switch operate proP erly Listen for the clicking sound fromthe switch es Make sure the interlock monitor switch ...

Page 4: ...__ __ __ w k I I I I I I NEc 15 i 13 RELAY 1 31 16 STEP DOWN I OOOR TRANSFORMER I SENSING __ 1 I SWITCH Ie I T CONTROL CIRCUIT BOARD I I I I I BL I I Et I I 13J I I 777 CAPACITOR 0 MAGNETRON r 1OMEG OHM YTCONNECTOR Slol 1 L___ J wIRING COLOR Parts marked with this sign are supplied with BK BLACK BR BROWN high voltage exceeding 250V W WHITE Figure 2 _ Parts marked with this sign have special o ORAN...

Page 5: ... SUPPLY CORD FROM THE WALL OUTLET WHENEVER REMOV ING THE CABINET FROM THE UNIT PROCEED WITH THE TESTS ONLY AFTER DISCHARGING THE HIGH VOLTAGE CAPACITOR AND RE MOVING THE LEAD WIRES FROM THE PRl MARY WINDING OF THE HIGH VOLTAGE TRANSFORMER SEE FIGURE 3 A TEST PROCEDURES V Q Q rimary wind 4 ...

Page 6: ... 5 ...

Page 7: ...he switches connecting an ohm meter to its termi nals I i I I Terminals COM and NO I Door Sensing I I Interlock Monitor I Terminals COM and NC I DOOR OPEN DOOR CLOSED CAUTION After checking the switches make sure that the interlock monitor switch is properly connected according to the CIRCUIT DIAGRAM on page 3 6 ...

Page 8: ...EM after removing connector I 1 b S1 from control circuit 1 board I 240 volt I I I I b I 1 1 I I Touch key board Each resistance Correct seating of Normal control Runs OK connector S101 or circuit board 000 I 000 replace control I 000 circuit board I I Each voltage Check resistance of Control I OK touch key board I circuit board See page 6 t 000 I 000 000 I GJ I Check power supply voltage Resistan...

Page 9: ...nector S102 I I I I I w al PROBLEFJ 3 a 1 Contac OK I 1 I I I I I I I 111 ij m 1 1 I Poor Correct Normal I Runs 1 c ontact seating contact No Adjust or replace Normal door I Runs continuity door sensing switch sensing switch See page 1 I 3 PROBLEM Oven does not heat up I I l a Touch START key and measure voltage between white wire lead and Black wire lead for I I I 240 volt i I I I I I i l 1 I pri...

Page 10: ... or Capacitor or capacitor or H V diode H V diode H V diode I m I I Resistance Replace H V Normal H V I Runs incorrect transformer I transformer I Check operation of blower motor when START key is touched Normal operation I I for cavity by No Measure resistance 1 I using jumper operation of blower motor lead Approx 215 ohms I I Normal thermal protector for lx magnetron or thermal I pro ector for c...

Page 11: ...d u a n u 1 U x B c 2 J ____ lo ...

Page 12: ... the lever stopper 2 Disconnect all lead wires from the primary interlock switch the door sensing switch and the interlock monitor switch 3 Push rightward the door sensing switch while pressing the switch stopper of the lever stopper Figure 12 a until the switch plunger reaches the lever stopper Then remove it by lightly pressing the switch plunger Figure 12 b 4 Make necessary adjustment and make ...

Page 13: ...3 Remove 3 screws securing the stay Disconnect all lead wires from the blower motor H V capacitor and fuse Remove 2 screws securing the space partition and disengage 4 hooks from the rear plate of cavity Figure 14 Screws Fuse s s Duct msg exhaust Magnetron Figure 13 TOP view 4 ooks Blo E 0 w Screws Figure 14 REMOVING MAGNETRON Figure 13 ToP view After removing the blower motor 1 Remove screw secur...

Page 14: ...iwtch is adjusted or replaced If the primary interlock switch the relay 2 and the interlock monitor switch operate properly determine which of the followings is defective control circuit board blower motor high voltage transformer high voltage capacitor high voltage diode or magnetron If the high voltage diode is defective replace not only the high voltage diode but also the fuse diode 1 Remove 2 ...

Page 15: ...ear Motor 1 7 4110105808 Screw Pan Hd Machine 4x1 Omm 2 8rass N 1 8 617161 5906 Cavity Covar 1 9 4120375901 Tapping TRS 4x6mm U 2 42 Key No Part No Description Q ty 10 6171241259 Thermostat Cavity 135 C 1 11 4110076900 Screw PAN 3x6mm 1 12 4110513801 Screw Truss Hd 5x12 1 13 4110541903 Nut Hex FLG W SRT 5mm 1 14 6170805315 Spatial Washer 1 15 6171444476 Turn Table Shaft 1 16 6171552386 Roller 1 17...

Page 16: ...0V 8A Washer Out TW 4mm Printed Circuit Board Complete Space Partition Blower Capacitor Band High Voltage Capacitor including Resistor 0 9i uf 24 KV Blowar Motor Screw Truss Hd Tapping 4x20mm 21 1 Blower Fan Screw Pan Hd Tapping 3x6mm C2 2 Thermostat Magnetron 135 C Q ty 5 1 1 2 1 1 1 3 1 2 1 1 1 1 1 2 1 1 1 9 5 10 Key No Patt No Description Q ty 20 6171351651 Duct Msg Exhaust 1 21 6171405354 Lead...

Page 17: ...ta9e Transformer N5T 6041pN 1 2 6171351521 Bottom Plate 1 3 4120182004 Bolt Hex C SCT 5x16 mm 2 4 6171445435 Plastic Foot with Canoe Clip 4 5 411 011 0802 Bolt Hex SW W5X14mm Z1 2 6 6171405040 Hinge Upper 1 Key No Part No Description Q ty 7 411 0892500 Washer 5mm U 1 8 411 0541903 Nut Hex Hd with Washer 5mm 4 9 411 1606106 Screw Tapping TRS SRT 4x10mm 1 16 ...

Page 18: ...e Also 1 order Door Sheet when replacing Door Main Frame Kay No Part No Description a ty 4 6170674997 Choke Dielectric 1 5 6170673853 Door Sheet 1 6 6170575096 Hinge Upper 1 7 4110110802 Bolt Hax Hd Machine with Spring 2 Washer and Bolt Washar 5x14mm Z 8 6171460544 Rivat 2 9 617101 1494 Spring 2 10 617101 1487 Door Latch 1 17 ...

Page 19: ...o Part No Description Q ty 6171631708 Operating Instructions 1 Key No Part No Description Q t y 5 6171402100 Ferrite Rubber 1 6 617 1352023 Control Base 1 7 411 1606205 Screw Tapping TRS SRT 1 4x10mm 8 6171615500 p er Controi Circuit Board 1 9 411 1295805 Screw Bind Hd Tapping 3x10mm 2 ZK 1 10 6171012569 Latch Lever 1 11 6170809559 Spring Door Release Button 2 12 6171408096 Door Release Lever 1 61...

Page 20: ...CONTROL CIRCUIT BOARD Part No 617161 5500 tic12 l 7J 1 s n f TP 4 TP 5 TP 3 TP 1 TP 2 Ground 19 ...

Page 21: ... I MAIN I 1 OPEN CONTROL u I CIRCUIT D103 1SS132 I I I RL1 R106 330 Q I I I r I I T a m I I I I I I I I I H V RANS I R112 4b D105 Rlll R11O I 1SS133 3 9K 180K 4 I Q104 I C1685 I f I I Bzl F r 1 i 1 1 II L _J B DIODE MAGNETRON BK I v 2KHz F 4 i I I I J R I 10K IQ105 I 1 R115 I 2 2K I _____ 47K 1 R113 lK w I INITIALIZATION ICIRCUIT _ I 1 r I I A I 5V I I I I I I I __________ I i I 1 C103 I D107 001 ...

Page 22: ...6 5 H 7 I it ____ m __ a a I I f C107 I v E I Al AZ A3 I I 1 6 5 I POWER BCVER AGE R126 10K I 42 7 AUTO QUICK I R127 10K I DEFROST oh i I PLATE I 8 OF R128 10K I Fooos i I 9 CASSE ROLE START I R129 10K I KEY I 5 STOP CLEAR TIME 0 MEAT BOARD I R130 10K L yoy 5 1 I_ ______ ___ _ _ ____ T J 6 R131 10K I 7 R132 10K 8 R133 10K 9 I I R134 10K R135 10K 11 R136 10K 12 R137 10K 39 T 40 5V C104 o 1 F 21 25V...

Page 23: ...July 94 Printed in Japan SANYO Electric Co Ltd Osaka Japan ...

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