Sanyo 437 450 30 Supplement Of Service Manual Download Page 26 | Manualshive

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9 . OVERALL CIRCUIT DIAGRAM

OVERALL CIRCUIT DIAGRAM

OVERALL CIRCUIT DIAGRAM

OVERALL CIRCUIT DIAGRAM

OVERALL CIRCUIT DIAGRAM

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Summary of Contents for 437 450 30

Page 1: ...aced or adjusted by procedures described in this manual before the oven is released to the owner e AmicrowaveleakagechecktoverifycompliancewiththeFederalperformancestandardshouldbeperformed on each oven prior to release to the owner REFERENCE NO SS 860237 File No File No File No File No File No SUPPLEMENT OF SUPPLEMENT OF SUPPLEMENT OF SUPPLEMENT OF SUPPLEMENT OF Micr Micr Micr Micr MicrowaveOven ...

Page 2: ...T BOARD CONTROL CIRCUIT BOARD CONTROL CIRCUIT BOARD CONTROL CIRCUIT BOARD CONTROL CIRCUIT BOARD Part No 617 225 4005 617 225 4005 617 225 4005 617 225 4005 617 225 4005 3 7 8 0 0 3 7 8 0 0 3 7 8 0 0 3 7 8 0 0 3 7 8 0 0 ...

Page 3: ...1 JB1 2 617 132 5744 Noise Filter 2 J1 4 617 079 4299 Jumper 4 J101 110 617 079 4237 Jumper 1 0 Key No Order Part No Description Q ty INTEGRATED CIRCUIT IC11 409 463 5308 IC LM8869 370SP 1 IC12 409 057 3000 IC UPC358C 1 TRANSISTORS Q11 13 405 004 3000 2SA564A Q TP 3 Q101 405 082 4609 DTA123YS TP 1 Q102 105 107 405 000 1802 DTA143XS TP 3 Q104 405 035 4809 2SC1685 Q TP 1 Q103 405 000 5602 DTC143XS T...

Page 4: ...ct For Parts or Service Contact SANYO FISHER SER SANYO FISHER SER SANYO FISHER SER SANYO FISHER SER SANYO FISHER SERVICE COMP VICE COMP VICE COMP VICE COMP VICE COMPANY ANY ANY ANY ANY 21605 Plummer Street Chatsworth CA91311 U S A OVERALL CIRCUIT DIAGRAM OVERALL CIRCUIT DIAGRAM OVERALL CIRCUIT DIAGRAM OVERALL CIRCUIT DIAGRAM OVERALL CIRCUIT DIAGRAM 3 ...

Page 5: ...ction within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity andconnections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the ...

Page 6: ...ener owave ener owave ener owave energy emission gy emission gy emission gy emission gy emission On every service calls check for microwave energy emission must be made according to the following manner Measur Measur Measur Measur Measurement of ener ement of ener ement of ener ement of ener ement of energy emission gy emission gy emission gy emission gy emission Measurement must be made with the ...

Page 7: ...kage after the repair or adjustment NOTE NOTE NOTE NOTE NOTE Detector to be used at the service center is NARDA 8100 8200 or the equivalent PRIMAR PRIMAR PRIMAR PRIMAR PRIMARY INTERLOCK SWITCH INTERLOCK Y INTERLOCK SWITCH INTERLOCK Y INTERLOCK SWITCH INTERLOCK Y INTERLOCK SWITCH INTERLOCK Y INTERLOCK SWITCH INTERLOCK MONITOR SWITCH AND DOOR SENSING SWITCH MONITOR SWITCH AND DOOR SENSING SWITCH MON...

Page 8: ... AIRS SHOULD BE CARRIED OUT WITH GREA BE CARRIED OUT WITH GREA BE CARRIED OUT WITH GREA BE CARRIED OUT WITH GREA BE CARRIED OUT WITH GREAT CARE T CARE T CARE T CARE T CARE B B B B B TO A TO A TO A TO A TO AVOID POSSIBLE EXPOSURE TO MICROW VOID POSSIBLE EXPOSURE TO MICROW VOID POSSIBLE EXPOSURE TO MICROW VOID POSSIBLE EXPOSURE TO MICROW VOID POSSIBLE EXPOSURE TO MICROWA A A A AVE VE VE VE VE ENERGY...

Page 9: ... C E S E D A M H C T I W S Y R A M I R P K C O L R E T N I H C T I W S K C O L R E T N I R O T I N O M H C T I W S R O O D G N I S N E S H C T I W S 2 Y A L E R D N O C T I N O I M O C M O C M O C M O C O N C N O N O N N E P O R O O D E S O L C R O O D ...

Page 10: ... Y CORD FROM Y CORD FROM Y CORD FROM Y CORD FROM THE W THE W THE W THE W THE WALL OUTLET WHENEVER REMOVING THE ALL OUTLET WHENEVER REMOVING THE ALL OUTLET WHENEVER REMOVING THE ALL OUTLET WHENEVER REMOVING THE ALL OUTLET WHENEVER REMOVING THE CABINET FROM THE UNIT CABINET FROM THE UNIT CABINET FROM THE UNIT CABINET FROM THE UNIT CABINET FROM THE UNIT PROCEED WITH THE PROCEED WITH THE PROCEED WITH ...

Page 11: ...OTE Some digital meter may show over even in a forward direction because low measuring voltage of meter does not allow the meter current to pass through the High Voltage Diode Abnormalreading Indicates continuity or infinite Ohms in both directions Measure the voltage Between test point TP 1 TP 2 TP 3 or TP 4 and Ground between TP 5 and TP 6 See Control Circuit Board on page 19 NOTE NOTE NOTE NOTE...

Page 12: ...01 Figure 9 NOTE NOTE NOTE NOTE NOTE When reconnecting the FPC connector make When checking START key connect sure the holes on the connector are properly Ohm Meter as illustration below inserted in hooks of the plastic fastener in S101 TOUCH KEY BOARD MA MA MA MA MATRIX CIRCUIT FOR TRIX CIRCUIT FOR TRIX CIRCUIT FOR TRIX CIRCUIT FOR TRIX CIRCUIT FOR TOUCH KEY BOARD TOUCH KEY BOARD TOUCH KEY BOARD ...

Page 13: ...uit Board Each resistance OK Resistance incorrect ON or OFF Replace Touch Key Board Normal Touch Key Board Normal Control Circuit Board Replace Control Circuit Board Voltage incorrect Check power supply voltage on Control Circuit Board See page 5 Each voltage OK Touch Key Board Check resistance of Touch Key Board See page 6 120 Volts Check 120VAC power supply of Connector S1 between Pin 1 and Pin ...

Page 14: ...ntrol Circuit Board Normal Control Circuit Board AC 120 Volts No continuity Runs Runs Check continuity of Connector S102 between Pins O and BL with the door closed after removing Connector S102 from Control Circuit Board 2 PROBLEM Cooking operation will not start Door Sensing Switch Poor contact Contact OK Correct seating Normal contact Adjust or replace Door Sensing Switch See page 1 PROBLEM 3 a ...

Page 15: ...ut b a Replace Magnetron Normal Magnetron Defective H V Capacitor or H V Diode Replace H V Capacitor or H V Diode Normal H V Capacitor or H V Diode Replace Thermal Protector for Magnetron or Thermal Protector for Cavity Normal Thermal Protector for Magnetron or Thermal Protector for Cavity Temporarily short across terminals of Thermal Protector for Magnetron or Thermal Protector for Cavity by usin...

Page 16: ...asure voltage between white wire lead and black wire lead for primary winding of H V Transformer after removing the wire leads from terminals of H V Transformer Runs 6 PROBLEM No buzzing by touching keys and at the end of cooking 120V Replace Control Circuit Board Normal Control Circuit Board Runs Check normal operation of Control Circuit Board Replace Control Circuit Board Normal Control Circuit ...

Page 17: ...AFTER AIR WORK AFTER AIR WORK AFTER AIR WORK AFTER DISCONNECTING W DISCONNECTING W DISCONNECTING W DISCONNECTING W DISCONNECTING WAIT A AIT A AIT A AIT A AIT AT LEAST 1 MINUTE UNTIL T LEAST 1 MINUTE UNTIL T LEAST 1 MINUTE UNTIL T LEAST 1 MINUTE UNTIL T LEAST 1 MINUTE UNTIL THE CAP THE CAP THE CAP THE CAP THE CAPACITOR IN THE HIGH VOL ACITOR IN THE HIGH VOL ACITOR IN THE HIGH VOL ACITOR IN THE HIGH...

Page 18: ...rom the Cavity or Wave Guide use a proper care so that the dome of the Magnetron does not hit any adjacent parts of microwave oven 2 Make sure that the contact face of the Magnetron Gasket is free from any damage or deformation 3 Adjust the position of the Magnetron properly so that it correctly sits in place and the Magnetron Gasket is in contact with the mounting rim evenly 4 While holding the M...

Page 19: ...agnetron F F F F F REMOVING CONTROL CIRCUIT BOARD REMOVING CONTROL CIRCUIT BOARD REMOVING CONTROL CIRCUIT BOARD REMOVING CONTROL CIRCUIT BOARD REMOVING CONTROL CIRCUIT BOARD See exploded view on page 18 and Figure 13 1 Remove the Connector S1 S102 and the Connector for the Relay 2 from the Control Circuit Board 2 Remove 1 screw securing the Control Panel complete to theOvenCavity 3 Remove the FPC ...

Page 20: ...or check for microwave energy leakagewithaleakagedetector Microwaveenergy leakage must be below the limit of 4mW cm2 to allow for measurement uncertainty I I I I I DISASSEMBLING DOOR DISASSEMBLING DOOR DISASSEMBLING DOOR DISASSEMBLING DOOR DISASSEMBLING DOOR Figure 15 1 Insert a thin flat blade screwdriver between the Choke Dielectric and the Door Main Frame and lift up the Choke Dielectric to rel...

Page 21: ...08 SCR EVR PAN 4 x 10 Z1 2 9 617 138 5601 Bottom Plate Not Service Part 1 1 0 617 221 6089 Plastic Foot with Canoe Clip 4 1 1 411 011 0802 Bolt Hex SW W5 x 14 Z1 2 1 2 617 180 6137 Hinge Lower 1 1 3 411 089 2500 Washer F 5 x 10 x 0 8 1 Key Part No Description Q ty No 1 4 617 120 8481 Insulation Sheet 1 1 5 617 144 4476 Turn Table Shaft 1 1 6 617 204 9489 Roller Base Assy 1 1 7 617 200 0657 Rotatin...

Page 22: ...1 082 5201 SCR TPG TRS 4 x 10 Z1 9 2 617 200 9609 H V Transformer N6T P472 1 3 617 199 8283 Stay Cavity Magnetron 1 4 411 006 6604 SCR TPG PAN 3 x 6 Z1 1 5 617 129 1001 Thermostat Magnetron 135o C 1 6 415 002 3308 Magnetron 2M247H B 1 7 423 021 3704 Fuse 250V 20A 1 8 617 137 8269 Fuse Holder 1 9 617 221 3606 Lead Wire Ass y including Diode 1 10 617 162 1990 Space Partition Blower 1 11 617 205 1840...

Page 23: ...ch 1 Key Part No Description Q ty No 1 617 212 8368 Door Cover 1 2 617 181 4170 Door Panel 1 3 617 199 2434 Door Main Frame Also 1 order Door Sheet when replacing Door Main Frame 4 617 124 0948 Choke Dielectric 1 17 DOOR PARTS ALL SERVICE ON MICROWAVE OVENS SHOULD BE PERFORMED BY A QUALIFIED TECHNICIAN USING APPROVED TESTING EQUIPMENT CUSTOMERS SHOULD NOT ATTEMPT TO REPLACE PARTS IDENTIFIED BY A T...

Page 24: ...PLACE PARTS IDENTIFIED BY A TRIPLE ASTERISK Key Part No Description Q ty No 4 617 151 4377 Control Base 1 5 411 160 6205 SCR TPG TRS SRT 4 x 10 Z1 1 6 617 221 2531 Power Control Circuit Board 1 7 411 129 5805 SCR TPG BIN 3 x 10 Z1 2 8 617 080 9559 Spring Door Release Lever 1 9 617 179 5929 Door Release Lever 1 Key Part No Description Q ty No 1 617 221 6591 Control Sheet Also order 1 Touch Key Boar...

Page 25: ...IT BOARD CONTROL CIRCUIT BOARD CONTROL CIRCUIT BOARD CONTROL CIRCUIT BOARD CONTROL CIRCUIT BOARD Part No 617 221 2531 617 221 2531 617 221 2531 617 221 2531 617 221 2531 3 4 2 0 0 3 4 2 0 0 3 4 2 0 0 3 4 2 0 0 3 4 2 0 0 ...

Page 26: ... 21 9 9 9 9 9 OVERALL CIRCUIT DIAGRAM OVERALL CIRCUIT DIAGRAM OVERALL CIRCUIT DIAGRAM OVERALL CIRCUIT DIAGRAM OVERALL CIRCUIT DIAGRAM ...

Page 27: ...board monitors software tv dvd and othes Manual users user manuals user guide manual owners manual instruction manual manual owner manual owner s manual guide manual operation operating manual user s manual operating instructions manual operators manual operator manual product documentation manual user maintenance brochure user reference pdf manual ...

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