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© 2007 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and distribu-
tion is a violation of law.

ORDER NO. MOD0710292C3

Microwave Oven

Model No.

NN-CD987W

Model No.

NN-CD997S

TABLE OF CONTENTS

PAGE

PAGE

1 Warning

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2

2 Specifications

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3

3 Location of Controls and Components

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4

4 Test Mode

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5

5 Service Mode

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9

6 Troubleshooting Guide

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10

7 Disassembly and Assembly Instructions

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18

8 Schematic Diagram

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21

9 Exploded View and Replacement Parts List

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26

Summary of Contents for NN-CD987W

Page 1: ... MOD0710292C3 Microwave Oven Model No NN CD987W Model No NN CD997S TABLE OF CONTENTS PAGE PAGE 1 Warning 2 2 Specifications 3 3 Location of Controls and Components 4 4 Test Mode 5 5 Service Mode 9 6 Troubleshooting Guide 10 7 Disassembly and Assembly Instructions 18 8 Schematic Diagram 21 9 Exploded View and Replacement Parts List 26 ...

Page 2: ...2 1 Warning ...

Page 3: ...3 2 Specifications ...

Page 4: ...4 3 Location of Controls and Components 3 1 CONTROL PANEL ...

Page 5: ... 4 1 COMPONENT TEST PROCEDURE 4 1 1 Primary Latch Switch Secondary Secondary Latch Switch and Power Relay 1 Interlocks 4 1 2 Short Switch Monitor Circuit 4 1 3 Magnetron NEW H V 4 1 4 Inverter Power Supply U NEW H V ...

Page 6: ...or and Digital Programmer Circuit 4 1 6 Oven temp sensor thermistor 4 2 MEASUREMENTS AND ADJUSTMENTS 4 2 1 Adjustment of Primary latch switch Secondary latch switch and short switch 4 2 2 Measurement of microwave output ...

Page 7: ...7 ...

Page 8: ...8 4 3 HOW TO CHECK THE SEMICONDUCTORS USING AN OHM METER ...

Page 9: ...9 5 Service Mode 5 1 OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE ...

Page 10: ...10 6 Troubleshooting Guide 6 1 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 6 1 1 Check the grounding 6 1 2 Inverter Warnings NEW H V ...

Page 11: ...laced remove the power plug from the outlet 6 1 4 When the 10A 15A 250V fuse is blown due to the operation of short switch 6 1 5 Avoid inserting nails wire etc through any holes in the unit during operation 6 1 6 Confirm after repair ...

Page 12: ...12 6 2 TROUBLESHOOTING GUIDE NEW H V ...

Page 13: ...13 ...

Page 14: ...14 ...

Page 15: ...15 ...

Page 16: ...16 ...

Page 17: ...17 ...

Page 18: ...isassembly and Assembly Instructions 7 1 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 7 1 1 Magnetron 7 1 2 Digital programmer circuit DPC and membrane key board 7 1 3 Switching transformer and or power relays ...

Page 19: ...19 7 1 4 Fan motor 7 1 5 Heater 7 1 6 Door assemble ...

Page 20: ...20 7 1 7 Turntable motor 7 1 8 Inverter PCB ...

Page 21: ...21 8 Schematic Diagram 8 1 SCHEMATIC DIAGRAM FOR QPQ JPG STM ZPE ...

Page 22: ...22 8 2 SCHEMATIC DIAGRAM FOR MPQ YPQ PTE YTE KPQ HPE KTE ...

Page 23: ...23 8 3 DESCRIPTION OF OPERATIONG SEQUENCE 8 3 1 Variable power cooking control 8 3 2 Turbo defrost 8 3 3 Convection cooking control ...

Page 24: ...24 8 3 4 Combination cooking control 8 3 5 One touch Auto sensor cooking ...

Page 25: ...25 ...

Page 26: ...26 9 Exploded View and Replacement Parts List 9 1 EXPLODED VIEW AND PARTS LIST ...

Page 27: ...18 ANE22392L0AP CIRCULATION FAN 1 19 A20554X00AP COVER 1 20 A20764X00AP REINFORCE BRACKET C 1 21 A21315870GP PULLEY SHAFT 1 22 ANE2177 F80 WASHER 1 23 A22365450AP RIGHT HEATER PANEL 1 24 A290D4X70MN ROLLER RING 1 25 A30077M70AH LOWER HINGE 1 26 A30208000BP DOOR HOOK A 1 27 A31368000BP HOOK SPACER A 1 28 A31374830AP HOOK SPACER B 1 29 A31384830AP HOOKS PACER C 1 30 A400A7F40QP FAN MOTOR 1 31 A400K7...

Page 28: ...XWS4VL WASHER 2 73 A21447F40QP UPPER PANEL 1 74 A21776660QP WASHER 1 75 A22787F40QP UPPER HEATER PANEL 1 76 A41325020AQ PULLEY B 1 77 A41575450AP FAN BRACKET A 1 78 A41585450AP FAN BRACKET B 1 79 A41635020AQ FAN SPACER C 1 80 A400S6660QPS SHAFT 1 81 A630G7F40QP HEATER A 1 QPQ KPQ MPQ YPQ 81 A630G7F40PT HEATER A 1 STM ZPE HPE PTE KTE YTE 81 A630G7F40JP HEATER A 1 JPG 82 A64177M70AH HEATER SUPPORT 3...

Page 29: ...F40QP TERMINAL PLATE 1 GRILL HEATERS CONNNECTION 102 A630H7F40QP HEATER B U 1 QPQ KPQ YPQ MPQ 102 A630H7F40PT HEATER B U 1 HPE ZPG PTE KTE STM YTE 102 A630H7F40JP HEATER B U 1 JPG 103 A66267F40QP THERMAL CUTOUT BRACKET 1 GRILL HEATER 104 A64607F40QP HEATER BRACKET A 1 GRILL HEATER 105 A22177F40QP HEATER PANEL 1 GRILL HEATER COVER 106 A22187F40QP HEATER PANEL 1 CONVECTION HEATER COVER 107 A22427F40...

Page 30: ...D5 A30186660QP DOOR KEY A 1 D6 A30214000AP DOOR KEY SPRING 1 D7 A30856660QP DOOR C 1 D8 A302A7F40MP DOOR A 1 NN CD997S YTE YPQ HPE MPQ D8 A302A7F40KP DOOR A 1 NN CD997S KTE KPQ STM PTE D8 A302A7F40QP DOOR A 1 NN CD997S JPG QPQ D8 A302A7F40ZP DOOR A 1 NN CD997S ZPE D8 A302A7F4HKP DOOR A 1 NN CD987W PTE KTE STM D8 A302A7F4HQP DOOR A 1 NN CD987W QPQ JPG D9 A33816E00AP HEAT SHIELD PANEL 1 NN CD997S D1...

Page 31: ...31 9 4 ESCUTCHEON BASE ASSEMBLY ...

Page 32: ...OPENIG BUTTON 1 NN CD987W E11 A81277F70QP BACK PANEL 1 NN CD987W E12 A82567F40QP DOOR OPENING LEVER 1 E13 A82877F40QP SPACER A 2 E14 A83377F70HKT ESCUTCHEON SHEET 1 NN CD987W PTE KTE STM E14 A83377F70HQP ESCUTCHEON SHEET 1 NN CD987W QPE JPG E15 A82516E00AP LED CAP 1 NN CD997S E16 A80167F40QP ESCUTCHEON B 1 NN CD997S E17 A80566E00AP TRIM 1 NN CD997S E18 A80247F40QP OPERATION BUTTON 1 NN CD997S QPQ ...

Page 33: ...97S QPQ JPG P4 A01027F40KP PACKING CASE PAPER 1 NN CD997S PTE KTE KPQ STM P4 A01027F40ZP PACKING CASE PAPER 1 NN CD997S ZPE P4 A01027F70HQP PACKING CASE PAPER 1 NN CD987W JPG QPQ P4 A01027F70HPT PACKING CASE PAPER 1 NN CD987W PTE P5 A01046660MN UPPER FILLER 1 HPE YPQ YTE MPQ P5 A01046660KN UPPER FILLER 1 KTE STM PTE KPQ P5 A01046660QP UPPER FILLER 1 QPQ JPG ZPE P6 A01056660MN LOWER FILLER 1 MPQ YP...

Page 34: ...X00AP HIGH BAKING RACK 1 MID 50MM P15 A060V4X00CP HIGH BAKING RACK 1 HIGH 135MM P16 A06014X70QP COOKING TRAY 1 P17 A91644000XN EARTH LEAD 1 YTE P18 A01456E00KP DOOR SHEET B 1 NN CD997S P18 A01459770KN DOOR SHEET B 1 NN CD987W Safety Ref No Part No Part Name Description Pcs Set Remarks ...

Page 35: ...RE HARNESS 1 PTE HPE KTE KPQ YPQ YTE MPQ W1 A030A7F40QP LEAD WIRE HARNESS 1 QPQ STM ZPE JPG W2 A030E7M70AH LEAD WIRE 1 HPE KTE KPQ MPQ PTE YPQ YTE W2 A030E7F40QP LEAD WIRE 1 QPQ JPG ZPE W FERRITE CORE W3 A03509770LN LEAD WIRE 1 W4 A03536660QP LEAD WIRE 1 W5 MKP62 335K CAPACITOR 1 3 3MF PTE KPQ MPQ YPQ YTE ...

Page 36: ...CONNECTOR 1 B03B XAKS 1 T LF SN IC701 AN47056A VT IC 1 D709 B0ADCJ000007 CHIP DIODE SI 1 Q703 Q706 B1ABCF000116 CHIP TRANSISTOR SI 2 Q704 Q707 B1HFCFA00007 CHIP TRANSISTOR SI 2 R707 D0GB100JA006 CHIP RESISTOR 1 10 5 R750 R772 D0GB104JA006 CHIP RESISTOR 2 100K 5 R746 D0GB113JA006 CHIP RESISTOR 1 11K 1 16W 5 R724 R774 R783 R787 D0GB124ZA005 CHIP RESISTOR 4 120K 1 16W1 R760 D0GB154JA006 CHIP RESISTOR...

Page 37: ...1MF 50V C715 F1H1H102A219 CHIP CAPACITOR 1 0 001MF 50V C726 F1H1H471A824 CHIP CAPACITOR 1 470PF 50V 2 D224 A6691M300GP HEAT SINK 1 DB701 B0FBBQ000004 BRIDGED DIODE SI 1 15A 600V PBF Q702 B1JADR000009 TRANSISTOR SI 1 J321 Q701 B1JAFV000004 TRANSISTOR SI 1 GT50N322 Q702 XTNA3 12BJ SCREW 3X12 1 DB701 Q701 XTWA3 12BJ SCREW 3X12 2 IC702 IC703 B3PAA0000387 PHOTO COUPLER IC 2 PS2501 1 HL 4P PBF D224 XTWA...

Page 38: ...B03B XASS 1 T LF SN CN6 K1KA03AA0087 CONNECTOR 1 B03B XARS 1 T LF SN CN3 K1KA03AA0091 CONNECTOR 1 B03B XAMS 1 T LF SN CN4 K1KA03AA0170 CONNECTOR 1 B3 4 2 B XASK 1 LF SN IC220 B1HBGFF00007 IC 1 ULN2003ADR R10 R233 D0GB104JA002 CHIP RESISTOR 2 100K 1 16W 5 R27 D0GB153JA002 CHIP RESISTOR 1 15K 1 16W 5 R30 D0GB220JA002 CHIP RESISTOR 1 22 1 16W 5 R28 D0GB394JA002 CHIP RESISTOR 1 390K 1 16W 5 R210 D0GB5...

Page 39: ...14EKA 14 IC500 C0ABBA000137 IC OP AMP 1 LM2904DR IC10 C0DBAHD00013 IC 1 PQ1L503M2SPQ R80 R81 R84 R85 R351 R353 D0GB102JA002 CHIP RESISTOR 6 1K 1 16W 5 R12 R340 R341 R508 R82 R83 R86 R87 R350 R500 R508 D0GB103JA002 CHIP RESISTOR 11 10K 1 16W 5 R232 R229 R236 D0GB104JA002 CHIP RESISTOR 3 100K 1 16W 5 R40 D0GB123JA002 CHIP RESISTOR 1 12K 1 16W 5 R507 D0GB125JA002 CHIP RESISTOR 1 R504 D0GB154JA002 CHI...

Page 40: ...0001MF 50V C80 C81 C82 C83 C12 C226 C225 C110 C111 R112 F1H1H103A220 CHIP CAPACITOR 10 0 01MF 50V IC1 S 7F4 MN101E29GEA LSI 1 RE80 RE81 EVEGA1F2224B ENCODER 2 EVEGA1F2224B CN8 K1MN19B00063 CONNECTOR 1 19FESTVKN DISP110 L5AAAFD00014 LCD HLC7607 012410 1 Safety Ref No Part No Part Name Description Pcs Set Remarks ...

Page 41: ...41 9 10 DIGITAL PROGRAMMER CIRCUIT SCHEMATIC DIAGRAM ...

Page 42: ...42 ...

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