Panasonic NN-L750WB Service Manual
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Summary of Contents for Panasonic NN-L750WB

  • Page 1: Table Of Contents

    Table Of Contents COVER 1 Inverter Warning 2 Feature Chart 3 Control Panels 4 Operation And Digital Programmer Circuit Test Procedure 4.1 Word Prompting 4.2 Setting the Clock 4.3 Child Safety Lock 4.4 Microwave Cooking and Defrost 4.5 Grill Operation 4.6 Convection with Preheating 4.7 Convection without Preheating 4.8 Combination Cooking (Grill and Microwave)
  • Page 2 5 Schematic Diagram 6 Wiring Diagram 7 Description of Operating instruction 7.1 Variable power cooking control 7.2 Grill Cooking 7.3 Auto weight defrost, Auto weight Cook 7.4 Convection Cooking 7.5 Combination Cooking 8 Cautions to Be Observed When Troubleshooting 8.1 Check the grounding 8.2 Inverter Warnings 8.3 When parts must be replaced, remove the power plug from the outlet.
  • Page 3 9.5 Fan Motor 9.6 Door disassembly 9.7 Turntable Motor 9.8 Quartz Heater 9.9 Convection Element And Circulation Fan Motor 9.10 Temperature Sensor 10 Component Test Procedure 10.1 Primary Latch Switch, Secondary Latch Switch and power relay B interlocks. 10.2 Short Switch and Monitor Circuit 10.3 Magnetron 10.4 Push Button Keyboard 10.5 Inverter Power Supply...
  • Page 4 15 Exploded View 16 Door Assembly 17 Escutcheon Base 18 Packing And Accessories 19 Trim Kit Accessories 20 Noise filter component parts 21 Digital programmer Circuit 22 Key Board Matrix 23 Digital programmer circuit parts list 23.1 J603L4V10EP/10UP/40EP/40UP DPC AU 23.2 J603Y4V00BP DPC DU...
  • Page 5 Service Manual TOP NEXT Order Number MOP00100019C2 Microwave Oven NN-L750WB/NN-L760WB WHITE EPG Continental Europe UPG France...
  • Page 6 © 2000 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. •@...
  • Page 7: Inverter Warning

    1 Inverter Warning TOP PREVIOUS NEXT The inverter board looks like a regular PCB, however, this PCB drives the magnetron tube using very high voltages and current. It has 1. Very high voltage and high current 2. An Aluminium heat sink that becomes very hot 3.
  • Page 8 Inverter Layout •@ TOP PREVIOUS NEXT...
  • Page 9: Feature Chart

    2 Feature Chart TOP PREVIOUS NEXT NN-750WB NN-750WB NN-760WB NN-760WB Function Microwave Grill Convection Combination Weight Defrost Weight Combination Weight Reheat Weight Cook Weight Crisp Stage Cooking 1 Stage 1 Stage 1 Stage 1 Stage Delay / Stand Clock 24 Hour 24 Hour 24 Hour 24 Hour...
  • Page 10: Control Panels

    3 Control Panels TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 11: Operation And Digital Programmer Circuit Test Procedure

    4 Operation And Digital Programmer Circuit Test Procedure TOP PREVIOUS NEXT 4.1 Word Prompting 4.2 Setting the Clock 4.3 Child Safety Lock 4.4 Microwave Cooking and Defrost 4.5 Grill Operation 4.6 Convection with Preheating 4.7 Convection without Preheating 4.8 Combination Cooking (Grill and Microwave) 4.9 Combination Cooking (Convection and Microwave) 4.10 Combination Cooking (Convection and Grill) 4.11 Combination Cooking (Convection, Grill and Microwave)
  • Page 12: Word Prompting

    4.1 Word Prompting TOP PREVIOUS NEXT •@...
  • Page 13: Setting The Clock

    4.2 Setting the Clock TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 14: Child Safety Lock

    4.3 Child Safety Lock TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 15: Microwave Cooking And Defrost

    4.4 Microwave Cooking and Defrost TOP PREVIOUS NEXT...
  • Page 16: Grill Operation

    4.5 Grill Operation TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 17: Convection With Preheating

    4.6 Convection with Preheating TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 18: Convection Without Preheating

    4.7 Convection without Preheating TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 19: Combination Cooking (Grill And Microwave)

    4.8 Combination Cooking (Grill and Microwave) TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 20: Combination Cooking (Convection And Microwave)

    4.9 Combination Cooking (Convection and Microwave) TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 21: Combination Cooking (Convection And Grill)

    4.10 Combination Cooking (Convection and Grill) TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 22: Combination Cooking (Convection, Grill And Microwave)

    4.11 Combination Cooking (Convection, Grill and Microwave) TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 23: Auto Defrost

    4.12 Auto Defrost TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 24: Auto Weight Programs

    4.13 Auto Weight Programs TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 25: Auto Weight Program Panacrunch (Nn-L760Wb)

    4.14 Auto Weight Program Panacrunch (NN-L760WB) TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 26: Schematic Diagram

    5 Schematic Diagram TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 27: Wiring Diagram

    6 Wiring Diagram TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 28: Description Of Operating Instruction

    7 Description of Operating instruction TOP PREVIOUS NEXT 7.1 Variable power cooking control 7.2 Grill Cooking 7.3 Auto weight defrost, Auto weight Cook 7.4 Convection Cooking 7.5 Combination Cooking •@ TOP PREVIOUS NEXT...
  • Page 29: Variable Power Cooking Control

    7.1 Variable power cooking control TOP PREVIOUS NEXT The HIGH VOLTAGE INVERTER POWER SUPPLY controls the output power by a signal from the digital Programmer circuit DPC. The power relay (RY1) turns on to supply power to the inverter circuit. The level of output power is controlled by the drive signallevel form the inverter circuit. NOTE1: The ON/OFF time ratio does not correspond with the percentage of microwave power since approximately 2 seconds are required for heating the magnetron filament./ NOTE: 2 If microwave cooking is over 8 minutes onHIGH power, the fan motor rotates for 1 minute after cooking to cool...
  • Page 30: Grill Cooking

    7.2 Grill Cooking TOP PREVIOUS NEXT The digital programmer circuit controls the grill power by operating the power relay RY4 in the sequence shown in the table below Duty cycles for Grill Cooking Duty ON/OFF ON Time OFF Time Grill 1 33”...
  • Page 31: Auto Weight Defrost, Auto Weight Cook

    1st Touch Weight Cooking Time Small Pieces 300g 5m 51s Big pieces 600g 11m 30s Bread and Rolls 100g 3m 54s Auto weight Cook NN-L750WB/NN- L760WB Category 1st Touch Weight Cooking Time 1.Fresh Fish 300g 2.Fresh Vegetables 500g 12m 35s 3.Chicken...
  • Page 32 Panacrunch Programs NN-L760WB Category 1st Touch Weight Cooking Time 1.Frozen Pizza 300g 9m 58s 2.Fresh Pizza 300g 8m 42s 3.Frozen Quiche 300g 11m 30s 4.Fresh Quiche 300g 6m 54s 5.Frozen Oven Fries 300g 14m 1s •@ TOP PREVIOUS NEXT...
  • Page 33: Convection Cooking

    7.4 Convection Cooking TOP PREVIOUS NEXT 1. The digital programmer circuit operates the power relays RY3,RY5 and RY6 in the sequence as shown in the figure below. 2. When the oven reaches a predetermined temperature the digital programmer circuit stops supplying power to relay RY5, resulting in the convection heater turning off.
  • Page 34: Combination Cooking

    7.5 Combination Cooking TOP PREVIOUS NEXT Combination cooking is achieved by operating the microwave and heater modes together during one cooking cycle. There are three combination modes. 1. Combination (convection and microwave) 2. Combination (grill and microwave) 3. Combination (grill, convection and microwave) The digital programmer circuit operators the power relays as shown in the figures below.
  • Page 35 Grill Heater Micropower ON OFF OUTPUT ON OFF Grill 1 600W 600W Grill 2 440W 440W Grill 3 250W 440W 100W 440W Grill Convection And Microwave Combination Duty Cycles Convection Heater Grill Heater Micropower 100 - 250 C ON OFF OUTPUT ON OFF Grill 1 600W...
  • Page 36: Cautions To Be Observed When Troubleshooting

    8 Cautions to Be Observed When Troubleshooting TOP PREVIOUS NEXT Unlike many other appliances, the microwave oven is a high voltage, high current is device. Though it is free from danger in ordinary use, extreme care should be taken during repair. Caution Servicemen should remove their watches whenever working close to or replacing the magnetron.
  • Page 37: Check The Grounding

    8.1 Check the grounding TOP PREVIOUS NEXT Do not operate on a two wire extension cord. The microwave oven is designed to be used when grounded. It is imperative, therefore, to ensure the appliance is properly grounded before beginning repair work. •@ TOP PREVIOUS NEXT...
  • Page 38: Inverter Warnings

    8.2 Inverter Warnings TOP PREVIOUS NEXT DANGER, HIGH VOLTAGE AND HIGH TEMPERATURE (HOT/LINE) OF THE INVERTER POWER SUPPLY (U) This high voltage inverter power supply handles very high voltage and very high current for the magnetron tube. Though it is free from danger in ordinary use, extreme care should be taken during repair.
  • Page 39 For about 30 seconds after the oven is turned off, an electric charge remains in the high voltage capacitors in the inverter power supply circuit board. When replacing or checking parts, remove the power plug from the outlet and short the inverter output terminal of the magnetron filament terminals to the chassis ground with an insulated handle screwdriver to discharge.
  • Page 40: When Parts Must Be Replaced, Remove The Power Plug From The Outlet

    8.3 When parts must be replaced, remove the power plug from the outlet. TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 41: When The 10A Fuse Is Blown Due To The Operation Of The Short Switch

    8.4 When the 10A fuse is blown due to the operation of the short switch: TOP PREVIOUS NEXT WARNING when the 10A 250V fuse is blown due to the operation of the short switch, the primary latch switch and short switch must be replaced. It is also important to change the power relay 1 (RY1) when the continuity test shows shorted contacts.
  • Page 42: Avoid Inserting Nails, Wire Etc. Through Any Holes In The Unit During Operation

    8.5 Avoid inserting nails, wire etc. through any holes in the unit during operation. TOP PREVIOUS NEXT Never insert a wire, nail or any other metal object through the lamp holes on the cavity or any holes or gaps, because such objects may work as an antenna and cause microwave leakage. •@ TOP PREVIOUS NEXT...
  • Page 43: Confirm After Repair

    8.6 Confirm after repair TOP PREVIOUS NEXT 1. After repair or replacement of parts, make sure that the screws of the oven, etc. are neither loose nor missing. Microwaves might leak if screws are not properly tightened. 2. Make sure that all electrical connections are tight before inserting the plug into the wall outlet. 3.
  • Page 44: Sharp Edges

    8.7 Sharp Edges TOP PREVIOUS NEXT Caution Please use caution when unpacking, installing or moving the unit, as some exposed edges may be sharp to touch and cause injury if not handled with care. •@ TOP PREVIOUS NEXT...
  • Page 45: Parts Replacement Procedure

    9 Parts Replacement Procedure TOP PREVIOUS NEXT 9.1 Magnetron 9.2 Inverter power supply (U) 9.3 Digital Programmer Circuit (DPC) 9.4 Low voltage transformer and/or power relays (RY1) 9.5 Fan Motor 9.6 Door disassembly 9.7 Turntable Motor 9.8 Quartz Heater 9.9 Convection Element And Circulation Fan Motor 9.10 Temperature Sensor •@ TOP PREVIOUS NEXT...
  • Page 46: Magnetron

    9.1 Magnetron TOP PREVIOUS NEXT 1. Discharge the high voltage capacitors on the inverter circuit. 2. Remove the screw holding the air guide 3. Remove the two screws holding the tie bar 4. Remove the oven lamp and lead wire harness cables form the air guide A. 5.
  • Page 47: Inverter Power Supply (U)

    9.2 Inverter power supply (U) TOP PREVIOUS NEXT 1. Discharge the high voltage capacitors 2. Remove two screws holding the tie bar. 3. Unplug the H.V. Lead wires from the magnetron 4. Remove the one screw holding the earth wire to the magnetron 5.
  • Page 48 Disconnecting the PCB lock connector •@ TOP PREVIOUS NEXT...
  • Page 49: Digital Programmer Circuit (Dpc)

    9.3 Digital Programmer Circuit (DPC) TOP PREVIOUS NEXT NOTE: Ground any static electric built up on your body before handling the DPC. 1. Disconnect all connectors from the DPC. 2. Remove the two screws holding the escutcheon base and slide the escutcheon base upward slightly.
  • Page 50: Low Voltage Transformer And/Or Power Relays (Ry1)

    9.4 Low voltage transformer and/or power relays (RY1) TOP PREVIOUS NEXT Note Be sure to ground your body to discharge any static before handling the DPC. 1. Using a solder wick or a de soldering tool and a 30W soldering iron, carefully remove all solder from the terminal pins of the low voltage transformer and/or power relays.
  • Page 51: Fan Motor

    9.5 Fan Motor TOP PREVIOUS NEXT 1. Remove two screws and remove the tie bar 2. Disconnect the two lead wires from the fan motor terminals 3. Disconnect all lead wires from the noise filter 4. Remove the noise filter 5.
  • Page 52: Door Disassembly

    9.6 Door disassembly TOP PREVIOUS NEXT 1. Remove door C from door E by carefully pulling outward starting from the upper right hand corner using a flat blade screwdriver. 2. Remove four screws holding the door E to the door A assembly 3.
  • Page 53: Turntable Motor

    9.7 Turntable Motor TOP PREVIOUS NEXT 1. Remove the motor cover by breaking off at the 8 spots indicated by the arrows. 2. Disconnect the two lead wires connected to the turntable motor 3. Remove the turntable motor by removing the two screws Note: After breaking off the motor cover, make sure that cut-off portions are properly trimmed off or bent inside so that no sharp edges are exposed.
  • Page 54: Quartz Heater

    9.8 Quartz Heater TOP PREVIOUS NEXT 1. Disconnect the lead wires from the heater terminals 2. Remove one screw holding the heater supports 3. Remove the heater Figure 11 One screw to remove the grill bracket Figure 12 Removing the grill element •@ TOP PREVIOUS NEXT...
  • Page 55: Convection Element And Circulation Fan Motor

    9.9 Convection Element And Circulation Fan Motor TOP PREVIOUS NEXT 1. Remove the four screws A holding the rear heater cover. 2. Remove the wire terminals from the thermal cutout, circulation fan motor and the convection elements. 3. After removing the rear heater cover, remove the three screws B holding the inner heater cover.
  • Page 56: Temperature Sensor

    9.10 Temperature Sensor TOP PREVIOUS NEXT 1. Remove lead wire plug from connector CN7 2. Remove 1 screw holding temperature sensor 3. Replace temperature sensor and lead wire as a complete unit. Figure 14 Removing the temperature sensor unit •@ TOP PREVIOUS NEXT...
  • Page 57: Component Test Procedure

    10 Component Test Procedure TOP PREVIOUS NEXT Caution 1. High voltage is present at the high voltage terminal of the inverter unit, including the aluminium heat sink. 2. It is not necessary or advisable to attempt to measure this high voltage. 3.
  • Page 58: Primary Latch Switch, Secondary Latch Switch And Power Relay B Interlocks

    10.1 Primary Latch Switch, Secondary Latch Switch and power relay B interlocks. TOP PREVIOUS NEXT 1. Unplug the lead connectors to power relay B and verify the continuity of the power relay B 1- 2 terminals. 2. Unplug the lead connectors to the primary latch switch and secondary latch switch. 3.
  • Page 59: Short Switch And Monitor Circuit

    10.2 Short Switch and Monitor Circuit TOP PREVIOUS NEXT 1. Unplug the lead wires from the HV inverter primary terminals. 2. Connect the test probes of the ohm meter to these leads 3. Test the continuity of the short switch with the door open and the door closed using the lowest ohm scale.
  • Page 60: Magnetron

    10.3 Magnetron TOP PREVIOUS NEXT Continuity checks can only indicate an open filament or a shorted magnetron. To diagnose an open filament or shorted magnetron. 1. Isolate the magnetron from the circuit by disconnecting the HV leads 2. A continuity check across the magnetron filament terminals should indicate one ohm or less 3.
  • Page 61: Push Button Keyboard

    10.4 Push Button Keyboard TOP PREVIOUS NEXT Check the continuity between the switch terminals, by tapping an appropriate pad on the keyboard. The keypad matrix is shown on Key Board Matrix •@ TOP PREVIOUS NEXT...
  • Page 62: Inverter Power Supply

    10.5 Inverter Power Supply TOP PREVIOUS NEXT Caution DO NOT try to repair this inverter power supply). Replace as a whole H.V. Inverter Unit. Inverter Power Supply Diagram Figure 3 •@ TOP PREVIOUS NEXT...
  • Page 63: Inverter Power Supply Unit

    10.6 Inverter Power Supply Unit TOP PREVIOUS NEXT Warning Do not attempt to make any measurements in the high voltage circuitry of the inverter or magnetron. See troubleshooting of the inverter circuit and magnetron on to determine if the inverter power supply is still functioning.
  • Page 64: Temperature Sensor

    10.7 Temperature Sensor TOP PREVIOUS NEXT A temperature sensor is mounted on the oven cavity on the right hand side. The resistance reading across the thermistor should read 300K ohm within a temperature range of 10 to 30 degrees centigrade. This would be the temperature range within akitchen environment. If the resistance measured is outside this range the thermistor is defective and should be replaced.
  • Page 65: Measurements And Adjustments

    11 Measurements and Adjustments TOP PREVIOUS NEXT Warning For continued protection against radiation hazard, replace only with identical parts. When the 10 amp fuse is blown due to the operation of the short switch, you must replace the primary latch switch and short switch. Then follow the installation procedures below. Interlock switch replacement - In replacing faulty switches, be sure mounting tabs are not bent, broken or otherwise deficient in their ability to hold the switches.
  • Page 66: Installation Of Primary Latch Switch, Secondary Latch Switch And Short Switch

    11.1 Installation of primary latch switch, secondary latch switch and short switch. TOP PREVIOUS NEXT 1. When mounting the primary latch switch, secondary latch switch and short switch to the door hook assembly. Follow the instructions in figure 1. NOTE: No specific adjustment during the insulation of each switch into the door hook is necessary.
  • Page 67: Measurement Of Microwave Output

    11.2 Measurement of microwave output TOP PREVIOUS NEXT The output power of the magnetron can be determined by performing the IEC standard test. However, due to the complexity of the IEC test procedures, it is recommended to test the magnetron using the simple method outlined below.
  • Page 68: Troubleshooting Guide

    12 Troubleshooting guide TOP PREVIOUS NEXT Caution 1. Do not try to repair this H.V. Inverter power supply. Replace as a whole unit. When returning the inverter unit pack in the original inverter box. 2. Do not adjust the preset volume on the H.V. Inverter. It is very dangerous to repair or adjust without sufficient test equiptment, this circuit handles very high volatge and current 3.
  • Page 69 Figure 2 Troubleshooting (Fuse is blown) Figure 3 Troubleshooting (Other problems) Figure 4...
  • Page 70 Troubleshooting Inverter by Input out voltage Figure 5 Troubleshooting Inverter by Microwave Oven Input Current •@ TOP PREVIOUS NEXT...
  • Page 71: Digital Programmer Circuit Troubleshooting Guide

    13 Digital Programmer Circuit Troubleshooting Guide TOP PREVIOUS NEXT Figure 2 How to test the semiconductors •@ TOP PREVIOUS NEXT...
  • Page 72: Main Parts List

    14 Main Parts List TOP PREVIOUS NEXT 1. Part numbers are indicated on most mechanical parts. Please use these part numbers for part orders. Do not use the description of the part. Important safety notice 1. Components identified by mark have special characteristics important for safety. When replacing any of these components, use only the manufacturers specified parts.
  • Page 73 XNG4EVSL E64174V00BP Heater Bracket A XTWANE 4 + 8BN Screw E00069000EP Warning Label E10594V00BP Back Plate Cover B XTWANE 4+8BN Screws E22594V00BP Adiabatic Material D E030A4V00BP Lead Wire Harness E67597550GP 10A Fuse AEE6230P10GN 16A Fuse E607X4N30BP Noise Filter E400A4760JP Fan Motor E41444N30BP Upper Orifice E42094N30BP...
  • Page 74 E66014V00BP Inverter Earth Bracket E65854V00BP Inverter Support Bracket E606Y4V00GP Inverter E09250000BD Cushion Rubber E40474V00BP Air Guide E E09020000AL Cushion Rubber E10014N30BP Base Plate E09272000AH Cushion Rubber E09272000AM Cushion Rubber E1008-1180 Rubber Foot E09270000AM Cushion Rubber XTWA 4+12CF Screws E110D4V00HBP Outer Panel XTW 3+6B Screws E63268960JP...
  • Page 75 XTWANE 4+8BN Screw E605A-1960 Temperature Sensor E900C5870GP Power cord E030E4N30BP H.V Lead Wire E90314V00BP Holder E90314V00BP Holder E67579000BP Heater bracket D E66224L00GS Outer Panel Spacer E09020000RE Cushion Rubber •@ TOP PREVIOUS NEXT...
  • Page 76: Exploded View

    15 Exploded View TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 77 16 Door Assembly TOP PREVIOUS NEXT Ref. No. Part No. Part Name & Description Qty Remarks E30014V00HBP Door A E30214000AP Door Key Spring E30184L00GS Door Key E31464V00GP Door Screen B E302K4V00BP Door E E30854V00BP Door Screen C NOTE: When ordering any Door component also order door C as this part may become damaged during disassembly.
  • Page 78: Escutcheon Base

    17 Escutcheon Base TOP PREVIOUS NEXT Ref. No. Part No. Part Name & Description Remarks E80724L10HBP DOOR OPENING BUTTON E80378AOAG DOOR BUTTON SPRING E80344V40HUP ESCUTCHEON BASE NN-L760WBEPG NN-L760WBUPG E80344V10HUP ESCUTCHEON BASE NN-L750WBEPG NN-L750WBUPG E83874L60HUP START/STOP BUTTON E82564L10BP DOOR OPENING LEVER E603Y4V00BP DPC DU E83094L60UP...
  • Page 79: Packing And Accessories

    E01134N80EP Tray styrol NN-L760WBEPG NN-L760WBUPG E01084V00GP Tray packing NN-L750WBEPG NN-L750WBUPG E01084V40UP Tray packing NN-L760WBEPG NN-L760WBUPG E01024V10HEP Carton box NN-L750WB EPG E01024V10HUP Carton box NN-L750WB UPG E01024V40HEP Carton box NN-L760WB EPG E01024V40HUP Carton box NN-L760WB UPG E01054V00BP Lower filler E01066750BP Vinyl Cover...
  • Page 80 E01044V00BP Upper filler •@ TOP PREVIOUS NEXT...
  • Page 81: Trim Kit Accessories

    19 Trim Kit Accessories TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 82: Noise Filter Component Parts

    20 Noise filter component parts TOP PREVIOUS NEXT Ref. No. Part No. Part Name & Description Remarks ERG1SJ753P Resistor 75KΩ W C1 & C2 QETJ5225KRP2CE Capacitor 2.2μF C3 & C4 ECKMNA472ME Capacitor 4700pF 250V AC SC-08-E203A Inductor 2.4mH E62316010BP Fuse Holder •@ TOP PREVIOUS NEXT...
  • Page 83: Digital Programmer Circuit

    21 Digital programmer Circuit TOP PREVIOUS NEXT DPC Schematic 2 •@ TOP PREVIOUS NEXT...
  • Page 84: Key Board Matrix

    22 Key Board Matrix TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...
  • Page 85: Digital Programmer Circuit Parts List

    23 Digital programmer circuit parts list TOP PREVIOUS NEXT 23.1 J603L4V10EP/10UP/40EP/40UP DPC AU 23.2 J603Y4V00BP DPC DU •@ TOP PREVIOUS NEXT...
  • Page 86 23.1 J603L4V10EP/10UP/40EP/40UP DPC AU TOP PREVIOUS NEXT Ref. No. Part No. Part Name & Description Remarks R180 ERDS2TJ361T Carbon Resistor 360R D40 D41 AESS133T-77 Diode D180-D182 AESQTLGE260T Green LED CX320 EFOMC8004T4 Ceramic Resonator SW40-SW47 EVQ11L05R Push Switch C90 C40 C41 C42 AECU1C101J50 100pF Chip Capacitor C20 C80 C81 C110 C441...
  • Page 87 JPR1 ANE6445880AP 10mm Jumper Wire J603L4V1EP JPR2 ANE6445880AP 10mm Jumper Wire J603L4V1UP JPR3 ANE6445880AP 10mm Jumper Wire J603L4V4EP •@ TOP PREVIOUS NEXT...
  • Page 88 23.2 J603Y4V00BP DPC DU TOP PREVIOUS Part No. Description Remarks Ref. No. ZD10 AESZMTZ5R6B Zener Diode D221-D224 AESS133T-77 Silicon Diode AESS133T-77 Silicon Diode D220 AESS1N4003E Silicon Diode AESSAK03 Shottky Diode C330 ECBT1H681KB5 Capacitor 680PF C440 ECBT1E103ZF5 Capacitor 10nF R25,R26 ERDS1FJ563T Resistor 56K 1/2 Watt...
  • Page 89 AEEMXD55511W 11 Pin Connector IC25 AEICP25011HL Photocoupler IC AESTS1WBA60B Diode Bridge (600V) ECA2WHG100E Electrolytic Capacitor 10uF 450V BZ310 EFBAH20C001 2KHz Buzzer D2,D3 ERZV10D112C1 Varistor 1100V ERZV10D511CS Varistor 510V IC10 ETXMJ197X1BG Switching Power Supply •@ TOP PREVIOUS...

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