Panasonic NE-2157CR, NE-1757CR, NE-1257CR manual Parts List

Page 48

NE-1257R/NE-1257CR / NE-1757R/NE-1757CR / NE-2157R/NE-2157CR / NE-1258R

33 DIGITAL PROGRAMMER CIRCUIT

PARTS LIST

Ref.

Part No.

Part Name & Description

Pcs/

 

 

Remarks

No.

 

 

Set

 

 

 

BZ1

 

EFBRL37C20

BUZZER

1

3.7KHZ

C10

35

ECA1HM471B

ELECTROLYTIC CAPACITOR AL

4

470MF/50V

36

 

37

 

 

 

 

 

 

C11

 

ECA1HM221B

ELECTROLYTIC CAPACITOR AL

1

220MF/50V

C12

13

AECF50F104Z

CERAMIC CAPACITOR

5

0.1MF/50V

15

 

28

 

 

 

 

 

 

34

 

 

 

 

 

 

 

 

C14

 

ECEA1CKA100B

ELECTROLYTIC CAPACITOR AL

1

10MF/16V

C16

17

ECBT1E103ZF5

CERAMIC CAPACITOR

6

0.01MF/25V

19

 

20

 

 

 

 

 

 

21

 

29

 

 

 

 

 

 

C18

 

ECEA1HKA2R2B

ELECTROLYTIC CAPACITOR AL

1

2.2MF/50V

C30

31

ECBT1H101KB5

CERAMIC CAPACITOR

4

0.0001MF/50V

32

 

33

 

 

 

 

 

 

CN1

 

AEEMMF01F05W

CONNECTOR

1

5PIN

 

 

CN2

 

AEEMMF03F06W

CONNECTOR

1

6PIN

 

 

CN3

 

AEEMMF01F05R

CONNECTOR

1

5PIN RED

CN4

 

AEEMMF00D04W

CONNECTOR

1

4PIN

 

 

CN7

 

AEEM09FDZBTM

CONNECTOR

1

9PIN

 

 

CN8

 

AEEMHLEM21S

CONNECTOR

1

 

 

 

CN9

 

AEEMMF00703R

CONNECTOR

1

3PIN RED

CX1

 

EFOGC4194T4

RESONATOR

1

4.19MHZ

D10

11

AEDNERA1502

DIODE SI

3

1.0A

 

 

13

 

 

 

 

 

 

 

 

D12

 

MA700A-(TA)

DIODE SI

1

0.03A

 

D14

15

MA196-(TA5)

DIODE SI

8

0.1A

 

 

16

 

17

 

 

 

 

 

 

18

 

19

 

 

 

 

 

 

20

 

21

 

 

 

 

 

 

IC1

 

AEIC38122283

IC

1

M38122

IC2

 

AN6752

IC

1

AN6752

IC3

 

AEICU2004GR2

IC

1

A2004G

IC4

 

AEICAT24C16N

IC

1

AT24C16N

Q1

 

 

AEGHPH0124BS

HEAT SINK

1

PH0124B-S

Q1

 

 

2SD2012

TRANSISTOR SI 2W

1

2SD2012

Q2

3

2SA720RRTA

TRANSISTOR SI 400MW

2

 

 

 

Q4

 

 

UN4115-(TA)

TRANSISTOR SI 300MW

1

UN4115

Q7

 

 

UN421F-(TA)

TRANSISTOR SI

1

UN421F

Q8

9

SD1991AQSTA

TRANSISTOR SI

3

2SD1991AQRS

11

 

 

 

 

 

 

 

 

Q10

 

UN4111-(TA)

TRANSISTOR SI 300MW

1

 

 

 

R10

11

ERDS2TJ151T

CARBON FILM RESISTOR

2

150

 

1/4W 5%

R12

17

ERDS2TJ103T

CARBON FILM RESISTOR

12

10K

 

1/4W 5%

21

 

22

 

 

 

 

 

 

23

 

34

 

 

 

 

 

 

38

 

46

 

 

 

 

 

 

47

 

61

 

 

 

 

 

 

62

 

65

 

 

 

 

 

 

R13

 

ERDS2TJ823T

CARBON FILM RESISTOR

1

82K

 

1/4W 5%

R14

 

ERDS2TJ390T

CARBON FILM RESISTOR

1

39

1/4W 5%

R15

16

ERDS2TJ152T

CARBON FILM RESISTOR

4

1.5K

1/4W 5%

32

 

64

 

 

 

 

 

 

R18

35

ERDS2TJ102T

CARBON FILM RESISTOR

12

1.0K

1/4W 5%

43

 

48

 

 

 

 

 

 

49

 

50

 

 

 

 

 

 

51

 

56

 

 

 

 

 

 

57

 

58

 

 

 

 

 

 

59

 

60

 

 

 

 

 

 

R19

 

ERDS2TJ220T

CARBON FILM RESISTOR

1

22

1/4W 5%

R20

 

ERDS2FJ103T

CARBON FILM RESISTOR

1

10K

 

1/4W 5%

R33

44

ERDS2TJ681T

CARBON FILM RESISTOR

2

680

 

1/4W 5%

R36

 

ERDS2TJ333T

CARBON FILM RESISTOR

1

33K

 

1/4W 5%

R37

42

ERDS2TJ332T

CARBON FILM RESISTOR

3

3.3K

1/4W 5%

72

 

 

 

 

 

 

 

 

R41

73

ERDS2TJ472T

CARBON FILM RESISTOR

2

4.7K

1/4W 5%

R45

 

ERDS2TJ184T

CARBON FILM RESISTOR

1

180K

1/4W 5%

R52

53

ERDS2TJ104T

CARBON FILM RESISTOR

4

100K

1/4W 5%

54

 

55

 

 

 

 

 

 

R68

69

ERDS2TJ470T

CARBON FILM RESISTOR

2

47

1/4W 5%

ZD1

 

AEDZ4R7ES3T1

ZENNER DIODE SI

1

 

 

 

ZD2

 

AEDZ5R6ES2T1

ZENNER DIODE SI

1

 

 

 

ZD3

 

AEDZ24ES3T1

ZENNER DIODE SI

1

 

 

 

48

Image 48
Contents Commercial Microwave Oven Contents Page Outline Diagram Operation Procedure Page Page Page Page Wiring Requirements and Power Source Voltage Selection Wiring RequirementsSchematic Diagram NE-1257R, NE-1258R Schematic Diagram NE-1257CR Schematic Diagram NE-1757R Schematic Diagram NE-1757CR Schematic Diagram NE-2157R Schematic Diagram NE-2157CR Wiring Diagram NE-1257R, NE-1258R Wiring Diagram NE-1257CR Wiring Diagram NE-1757R Wiring Diagram NE-1757CR Wiring Diagram NE-2157R Wiring Diagram NE-2157CR Variable power cooking control Description of Operating SequenceCheck the grounding Confirm after repair Disassembly and Parts Replacement Procedure Replacement of magnetrons Upper and LowerReplacement of power supply circuit board Removal of Positive Lock connectorReplacement of upper antenna Replacement of floor shelf and lower antennaReplacement of temperature sensor Thermal protector Disassembly of door assembly Component Test Procedure Temp sensor Thermal protector Measurements and Adjustments Measurement of microwave outputProcedure for Measuring Microwave Energy Leakage EquipmentPage Troubleshooting Guide Exploded View and Parts List Parts List High Voltage LabelDoor Hook a Spacer a Door Assembly Escutcheon Base Assembly Packing and Accessories Wiring Material 29 REF. no L. V. Transformer U 30 REF. no Noise Filter U31 REF. NO. E2 P. C. Board U Schematic Diagram Digital Programmer CircuitPage Parts List

NE-1257CR, NE-1757CR, NE-2157CR specifications

The Panasonic NE-2157CR, NE-1257CR, and NE-1757CR are three professional commercial microwaves designed for robust food service operations. These models are widely appreciated for their versatility, efficiency, and user-friendliness, making them ideal for restaurants, cafes, and food trucks.

The NE-2157CR stands out with its powerful 1500 watts of cooking power, which ensures quick and uniform heating of various food items. It features a large 0.9 cubic feet internal capacity, allowing users to accommodate larger dishes. One of the key highlights of this model is its programmable memory with up to 20 customizable settings, which enables users to recall frequently used cooking times and power levels easily. The stainless steel exterior and interior ensure durability and ease of cleaning, while the touch control panel provides a simple interface for quick operation.

Next in the line is the Panasonic NE-1257CR, which offers a slightly lower power output at 1200 watts, making it a more compact option while still delivering impressive cooking results. With a capacity of 0.8 cubic feet, it is an excellent choice for smaller kitchens that require efficiency without sacrificing quality. Its easy-to-use interface allows for basic cooking functions, while the stainless steel construction guarantees longevity in busy environments.

Finally, the NE-1757CR is a middle ground between the two, featuring 1700 watts of cooking power and an internal capacity of 0.6 cubic feet. This model combines performance with a smaller footprint, making it a versatile choice for various commercial settings. Like its counterparts, the NE-1757CR includes programmable presets and a user-friendly control panel, offering consistent results with minimal effort.

All three models utilize Panasonic's advanced inverter technology, which provides consistent heat and eliminates cold spots. This technology allows for more precise temperature control and helps preserve the texture and moisture of food during cooking.

In summary, the Panasonic NE-2157CR, NE-1257CR, and NE-1757CR are all excellent options for commercial kitchens looking for reliable, efficient microwaves. With their robust construction, user-friendly controls, and advanced cooking technologies, these models cater to a wide range of food preparation needs, enhancing productivity in any food service operation.