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NE-1757CR, NE-2157CR, NE-1257CR manual Digital Programmer Circuit, Schematic Diagram
Models:
NE-1257CR
NE-1757CR
NE-2157CR
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Troubleshooting
Parts list
WIRING DIAGRAM NE-2157R
Disassembly And Parts Replacement Procedure
Wiring Requirements
Disassembly of door assembly
Operation Procedure
Measurements And Adjustments
Variable power cooking control
Packing And Accessories
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NE-1257R/NE-1257CR /
NE-1757R/NE-1757CR /
NE-2157R/NE-2157CR /
NE-1258R
32 DIGITAL PROGRAMMER CIRCUIT
SCHEMATIC DIAGRAM
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Contents
Commercial Microwave Oven
ORDER NO. MOD0009238C1 E10
Page
CONTENTS
Page
WIRING DIAGRAM NE-2157R
1 OUTLINE DIAGRAM
2 OPERATION PROCEDURE
Page
Page
Page
Page
Wiring Requirements
Power Source Voltage Selection
4 SCHEMATIC DIAGRAM NE-1257R, NE-1258R
5 SCHEMATIC DIAGRAM NE-1257CR
6 SCHEMATIC DIAGRAM NE-1757R
7 SCHEMATIC DIAGRAM NE-1757CR
8 SCHEMATIC DIAGRAM NE-2157R
9 SCHEMATIC DIAGRAM NE-2157CR
10 WIRING DIAGRAM NE-1257R, NE-1258R
11 WIRING DIAGRAM NE-1257CR
12 WIRING DIAGRAM NE-1757R
13 WIRING DIAGRAM NE-1757CR
14 WIRING DIAGRAM NE-2157R
15 WIRING DIAGRAM NE-2157CR
Variable power cooking control
16 DESCRIPTION OF OPERATING SEQUENCE
17 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING
17.1. Check the grounding
17.5. Confirm after repair
Upper magnetron
18 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE
18.1.Replacement of magnetrons Upper and Lower
Lower magnetron
Removal of Positive Lock connector
18.2.Replacement of power supply circuit board
B. and D. P. C. board to avoid damage
18.4. Replacement of upper antenna
18.5.Replacement of floor shelf and lower antenna
18.7. Disassembly of door assembly
NOTE Please refer to MEASURENMENT AND ADJUSTMENT
19.1. High voltage transformer
19 COMPONENT TEST PROCEDURE
19.5.Membrane key board Membrane switch assembly
19.2. High voltage capacitor
19.7.Temp sensor Thermal protector
20 MEASUREMENTS AND ADJUSTMENTS
20.2.Measurement of microwave output
21.1. Equipment
Page
22 TROUBLESHOOTING GUIDE
23 EXPLODED VIEW AND PARTS LIST
24 PARTS LIST
Page
Page
25 DOOR ASSEMBLY
26 ESCUTCHEON BASE ASSEMBLY
27 PACKING AND ACCESSORIES
28 WIRING MATERIAL
29 REF. NO. 89 L. V. TRANSFORMER U
30 REF. NO. 58 NOISE FILTER U
31 REF. NO. E2 P. C. BOARD U
32 DIGITAL PROGRAMMER CIRCUIT
SCHEMATIC DIAGRAM
Page
33 DIGITAL PROGRAMMER CIRCUIT
PARTS LIST
