3
TABLE OF CONTENTS
1.
CONTROL PANELS .................................................................................................................................................................. 4
2.
OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE ........................................................................ 5
3.
SCHEMATIC DIAGRAM............................................................................................................................................................ 8
4.
DESCRIPTION OF OPERATING SEQUENCE ......................................................................................................................... 9
4.1
Variable power cooking control ......................................................................................................................................... 9
4.2
Grill cooking....................................................................................................................................................................... 9
4.3
Combination cooking......................................................................................................................................................... 9
4.4
Autoweight defrost, autoweight cook................................................................................................................................. 9
5.
CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING............................................................................................ 10
5.1
Check the grounding ....................................................................................................................................................... 10
5.2
Inverter Warnings ........................................................................................................................................................... 10
5.3
When parts must be replaced, remove the power plug from the outlet........................................................................... 11
5.4
When the 10A fuse is blown due to the operation of short switch:.................................................................................. 11
5.5
Avoid inserting nails, wire, etc. through any holes in the unit during operation............................................ ................... 11
5.6
Confirm after repair ......................................................................................................................................................... 11
5.7
Sharp edges .................................................................................................................................................................... 11
6.
DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE ............................................................................................. 12
6.1
Magnetron ....................................................................................................................................................................... 12
6.2
Inverter Power Supply(U) ............................................................................................................................................... 12
6.3
Digital Programmer Circuit (DPC) and membrane key board. ........................................................................................ 13
6.4
Low voltage transformer and/or power relays (RY1)....................................................................................................... 13
6.5
Fan Motor ........................................................................................................................................................................ 13
6.6
Temp sensor (thermal protector)..................................................................................................................................... 13
6.7
Door disassembly............................................................................................................................................................ 14
6.8
Turntable motor ............................................................................................................................................................... 14
6.9
Quartz heater .................................................................................................................................................................. 14
7.
COMPONENT TEST PROCEDURE........................................................................................................................................ 15
7.1
Primary Latch Switch, Secondary (Secondary Latch Switch and Power Relay B) Interlocks. ........................................ 15
7.2
Short Switch & Monitor Circuit ........................................................................................................................................ 15
7.3
Magnetron ....................................................................................................................................................................... 15
7.4
Push button key board .................................................................................................................................................... 15
7.5
Inverter Power Supply (U) ............................................................................................................................................... 16
7.6
Inverter Power supply(U) ................................................................................................................................................ 16
7.7
Temp sensor (Thermal protector).................................................................................................................................... 16
8.
MEASUREMENTS AND ADJUSTMENTS .............................................................................................................................. 17
8.1
Installation of Primary latch switch, Secondary latch switch and Short switch............................................... ................. 17
8.2
Measurement of microwave output ................................................................................................................................. 17
9.
TROUBLESHOOTING GUIDE ............................................................................................................................................... 18
10. EXPLODED VIEW AND PARTS LIST..................................................................................................................................... 22
11. PARTS LISTS .......................................................................................................................................................................... 23
12. DOOR ASSEMBLY.................................................................................................................................................................. 24
13. ESCUTCHEON BASE ASSEMBLY ........................................................................................................................................ 25
14. PACKING AND ACCESSORIES............................................................................................................................................. 26
15. DIGITAL PROGRAMMER CIRCUIT........................................................................................................................................ 28
16. DIGITAL PROGRAMMER CIRCUIT - PARTS LIST ............................................................................................................... 30
FEATURE CHART
FEATURES
Microwave
6
Grill
3
Combination
3x3
Weight Defrost
3
Weight Combination
3
Stage Cooking
3 stage
Delay Stand
Yes
Clock
12 Hrs
Word Prompt
English
Содержание NN-V359WB
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