Panasonic NE-1257CR - Manuals

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Manual

Manual Panasonic NE-1257CR

Summary

Page 2 - CONTENTS

1 OUTLINE DIAGRAM 4 2 OPERATIO N PROCEDURE 5 3 WIRING REQUIREMENTS AND POWER SOURCE VOLTAGE SELECTION 10 4 SCHEMATIC DIAGRAM (NE-1257R, NE-1258R) 11 5 SCHEMATIC DIAGRAM (NE-1257CR) 12 6 SCHEMATIC DIAGRAM (NE-1757R) 13 7 SCHEMATIC DIAGRAM (NE-1757CR) 14 8 SCHEMATIC DIAGRAM (NE-2157R) 15 9 SCHEMATIC D...

Page 4 - OUTLINE DIAGRAM

1 OUTLINE DIAGRAM 4 NE-1257R /NE-1257CR / NE-1757R/NE-175 7CR / NE-2157R/NE-215 7CR / NE-1258R

Page 5 - OPERATION PROCEDURE

2 OPERATION PROCEDURE 5 NE-1257R /NE-1257CR / NE-1757R/NE-175 7CR / NE-2157R/NE-215 7CR / NE-1258

Page 10 - WIRING REQUIREMENTS AND POWER SOURCE

Wiring Requirements No other applian ce should share the circuit with the microwaveoven. If it does, the branch circuit fuse may overload and eithercause the oven to heat slower than expected or blow the fuse. 1. For Mode NE-1257 The oven must be on a SEPAR ATE, 20 Amp, 60 Hz-120VGROUNDED CIRCUIT. 2...

Page 23 - 6 DESCRIPTION OF OPERATING SEQUENCE

Variable power cooking control The coil of power relay A and B are energized intermittently bythe digital programmer circuit, when the oven is set to MEDIUMor DEFROST power position. The digital programmer circuitcontrols the ON-OFF time of the power relay A and B contacts in order to vary the outpu...

Page 26 - 8 DISASSEMBLY AND PARTS REPLACEMENT

18.1. Replacement of magnetrons (Upper and Lower) Upper magnetron 1. Discharge electric charge remaining on the high voltage capacitors. 2. Remove the entire rear panel by removing screws as shown. 3. Disconnect all lead wires from magnetron and thermal cutout. 4. Remove the 4 screws holding magnetr...

Page 27 - circuit board; programmer circuit board

Removal of Positive Lock connector The positive lock connector is a specially designed loose freeconnector and you will find this connector in many lead wireconnections. To remove this connector, pull the lead wire bypressing an extruded lever in the center of receptacle terminalas shown. 18.2. Repl...

Page 28 - lower antenna

18.4. Replacement of upper antenna 1. Remove ceiling plate by gently moving the left and right tabs inward while pulling the plate down and outward. 2. Using a small flat screwdriver or the like, remove two plastic clips located on the antenn a ring. Nest turn the antenn a ringapprox. 1/8 turn clock...

Page 30 - 9 COMPONENT TEST PROCEDURE

19.1. High voltage transformer 1. Remove connections from the transfo rmer terminals and check continuity. 2. Normal (cold) resistance readings should be as follows: Secondary winding Approx. 80 Ω —120 Ω Filament winding Approx. 0 Ω Primary winding Approx. 0 Ω —3 Ω 19.2. High voltage capacitor 1. Ch...

Page 32 - output; 0 MEASUREMENTS AND ADJUSTMENTS

20.1. Installation of Safety switch A, Safety switch B and Shortswitch 1. When mounting Safety switch A, Safety switch B and short switch to door hook assembly, mount the Safety switch A,Safety switch B and the short switch to the door hookassembly as shown. (in Figure). NOTE: No specific adjustment...

Page 33 - notification after measurement; 1 PROCEDURE FOR MEASURING MICROWAVE ENERGY

NOTE: The U. S. Government standard is 5 mW/cm 2 while in the customer's home. 2 mW/cm 2 stated here is our own voluntary standard. (1 mW/cm 2 for Canada) 21.1. Equipment Note before measuring. 1. Do not exceed meter full scale deflection. Leakage monitor should initially be set to the highest scale...

Page 35 - 2 TROUBLESHOOTING GUIDE

22 TROUBLESHOOTING GUIDE 35 NE-1257R /NE-1257CR / NE-1757R/NE-175 7CR / NE-2157R/NE-215 7CR / NE-1258

Page 36 - 3 EXPLODED VIEW AND PARTS LIST

23 EXPLODED VIEW AND PARTS LIST 36 NE-1257R /NE-1257CR / NE-1757R/NE-175 7CR / NE-2157R/NE-215 7CR / NE-1258R

Page 40 - 5 DOOR ASSEMBLY

25 DOOR ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/ Set Remarks D1 A3145-3500 DOOR SCREEN A 1 D2 ANE31468U0AP DOOR SCREEN B 1 D3 ANE30038U0AP DOOR FRAME(U) 1 D4 ANE301A8U0AP DOOR A 1 D5 A301H-3850 DOOR KEY LEVER B 1 D6 ANE301Q8U0AP DOOR E(U) 1 D7 A3018-3850 DOOR KEY A 1 D8 A3019-3850...

Page 41 - 6 ESCUTCHEON BASE ASSEMBLY

26 ESCUTCHEON BASE ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/ Set Remarks E1 A8337-3280 ESCUTCHEON SHEET 1 E2 A603M3310GP PC BOARD B (U) 1 E3 A64793310QP MEMBRANE SWITCH 1 E4 A6590-3280 FLAT CABLE 1 E5 ANE80018U0AP ESCUTCHEON A 1 E6 ANE80028U0AP ESCUTCHEON B 1 E7 ANE80068U0AP ESCUTC...

Page 42 - 7 PACKING AND ACCESSORIES

27 PACKING AND ACCESSORIES Ref. No. Part No. Part Name & Description Pcs/ Set Remarks P1 A00033960CP INSTRUCTION BOOK 1 NE-1257CR NE-1757CR NE-2157CR P1 A00033960AP INSTRUCTION BOOK 1 NE-1257R NE-1258R NE-1757R NE-2157R P2 A04203960AP OPERATING GUIDE 1 P3 A01023960CP PACKING CASE PAPER 1 NE-1257...

Page 43 - 8 WIRING MATERIAL

28 WIRING MATERIAL Ref. No. Part No. Part Name & Description Pcs/ Set Remarks W1 A030A3960CP LEAD WIRE HARNESS 1 NE-1257CR W1 A030A3960AP LEAD WIRE HARNESS 1 NE-1257R NE-1258R W1 A030A3970CP LEAD WIRE HARNESS 1 NE-1757CR W1 A030A3970AP LEAD WIRE HARNESS 1 NE-1757R W1 A030A3980AP LEAD WIRE HARNES...

Page 46 - 2 DIGITAL PROGRAMMER CIRCUIT

32 DIGITAL PROGRAMMER CIRCUIT SCHEMATIC DIAGRAM 46 NE-1257R /NE-1257CR / NE-1757R/NE-175 7CR / NE-2157R/NE-215 7CR / NE-1258R

Page 48 - 3 DIGITAL PROGRAMMER CIRCUIT

33 DIGITAL PROGRAMMER CIRCUIT PARTS LIST Ref. No. Part No. Part Name & Description Pcs/ Set Remarks BZ1 EFBRL37C20 BUZZER 1 3.7KHZ C10 3536 37 ECA1HM471B ELECTROLYTIC CAPACITOR AL 4 470MF/50V C11 ECA1HM221B ELECTROLYTIC CAPACITOR AL 1 220MF/50V C12 1315 2834 AECF50F104Z CERAMIC CAPACITOR 5 0.1MF...