Panasonic NN-V673SBBPQ Service Manual Download Page 58

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DPC Schematic 2

21. Digital programmer circuit parts list

21.1. E603L5D10BP DPC AU

Ref. No.

Part No.

Part Name & Description

Qty

Remarks

R180

ERDS2TJ361T

360R Carbon Resistor

D40,D41

AESS133T-77

Diode

D180-D182

AESQTLGE260T

Green LED

CX320

EF0EC8004T4

Ceramic Resonator

SW40-SW51

SW53-SW63

EVQ11L05R

Push Switch

C110 C20 C40-

C48

AECU1F103Z50

10nF Chip Capacitor

C220 C221

C222 C224 C22

AECU1F104Z25

100nF Chip Capacitor

R111-113 R20

R442

AERJ3GSYJ102

1K Chip Resistor

R481

AERJ3GSYJ102

1K Chip Resistor

R340

AERJ3GSYJ103

10K Chip Resistor

R650

AERJ3GSYJ104

100K Chip Resistor

R480

AERJ3GSYJ104

100K Chip Resistor

R110

AERJ3GSYJ220

22R Chip Resistor

R331

AERJ3GSYJ471

470R Chip Resistor

C441 R443

AERJ3GSYJ333

33K Chip Resistor

R40-R48

AERJ3GSYJ683

68K Chip Resistor

IC1

AEIC8224H150

LSI M3822 (24K)

A611A4J01XN

Display Holder Unit

DISP110

AEDDHL4V00BP

LCD (NEW)

CN6

AEEM19FESVKN

CONNECTOR

IC220

AN6747B

Custom IC

E62604V00BP

Print Board(A)

21.2. E603Y5D10BP DPC DU

Summary of Contents for NN-V673SBBPQ

Page 1: ...MOP0306005A2 Microwave Oven NN V673SBBPQ 27 L United Kingdom Please file and use this manual together with the service manual for Model No NN V671S SPECIFICATIONS 1 ...

Page 2: ... operating state in the display The table shows the corresponding cooking times for each category and its respective weight 2 When the cooking time in the display window has elapsed the oven turns off automatically via the control signal from the digital programmer circuit Note After auto cooking if the oven temperature is over the predetermined temperature the fan motor rotates to cool the oven a...

Page 3: ... Potato Products 200g 8m 11 Whole Chicken 1000g 19m 20s 12 Lamb Beef 500g 14m 40s 13 Chilled Pizza 200g 6m 40s 14 Frozen Pizza 200g 9m 2 Main Parts List 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 Wh...

Page 4: ...1 19 E610T5D00BP OVEN LAMP UNIT 1 20 E20994N30GP REINFORCEMENT BRACK 1 21 E40254N40GS AIR GUIDE A 1 22 E40474V00BP AIR GUIDE E 1 23 E10014N30BP BASEPLATE 1 24 E030E4N30BP HV LEADWIRE 1 25 E606Y4V00BP INVERTER 1 26 E65854V00BP INVERTOR SUPPORT BRACKET 1 27 E1008 1180 RUBBER FOOT 4 28 E110D5D20SBP OUTER PANEL 1 29 E63268960JP TT MOTOR 1 30 AEE2177 F80 PULLEY SHAFT WASHER 1 31 E21315870GP PULLY SHAFT...

Page 5: ...4 Door Exploded View 5 ...

Page 6: ...tion Qty Remarks E1 E890L6C10SBP ESCUTCHEON BASE 1 E2 E80726B20SBP DOOR OPENING BUTTON 1 E3 E80375K00AP DOOR OPENING SPRING 1 E4 E80246C10SBP OPERATION BUTTON 1 E5 E82566B20ABP DOOR OPENING LEVER 1 E6 E00076B20ABP NAMEPLATE 1 NOTE 1 If the part you need is not numbered in the exploded view order E1 the complete assembly NOTE 2 When ordering a new Escutcheon base assembly E1 also order a nameplate ...

Page 7: ...6014N30BP GLASS TRAY 1 P5 E290D4N30BP ROLLER RING UNIT 1 P6 E00036C10BP COOK BOOK 1 P7 E01695750BP SERVICE CENTER LIST 1 P8 E01134N30BP TRAY STYROL 1 P9 E01025N20BP CARTON BOX 1 NN V681WB P10 E01054N30BP LOWER FILLER 1 P11 E01064N70GS VINYL BAG 1 P12 E01076700BP DOOR SHEET 1 P13 E01926430GP PROTECTOR SHEET 1 P14 E01044N30BP UPPER FILLER 1 7 ...

Page 8: ...7 Trim Kit Accesories Trim model number Top and bottom strip REF 1 Qty Top and bottom strip REF 2 Qty Remarks NN TKA70MB E1603A510NBP 1 E1601A510NBP 1 E000QA820BP Installation guide 8 DPC Schematic 8 ...

Page 9: ...9 ...

Page 10: ...10 ...

Page 11: ...N V651WB NN V651CB 27L United Kingdom SPECIFICATIONS 1995 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law NOTATION PUBLIC ALDUS NOTATION TAGGED IMAGE FILE FORMAT EN ENTITY SYSTEM warning tif 1 ...

Page 12: ...cing the board take extreme care to avoid possible electric shock 2 Do not touch the aluminium heat sink as it is part of the high voltage circuit and becomes very hot 3 Do not attempt to repair the inverter PCB as this can be very dangerous Replace the high voltage inverter circuit as a complete unit 4 Do not adjust or tamper with the pre set volume on the inverter board It is very dangerous to a...

Page 13: ...V671 NN V621 NN V681 Microwave 5 5 Grill 3 3 Combination 3 x 4 3 x 4 Sensor reheat 2 Sensor Cook 6 Sensor Combination 6 Turbo reheat 1 1 Weight reheat 2 Weight cook 2 Weight combination 10 Weight defrost 3 3 Delay Stand Yes Yes More Less Yes Kg lb oz Yes Yes Stage cooking 3 3 Clock 12H 12H 3 ...

Page 14: ...621 NN V681 Word prompt English English 3 Control Panels 4 Operation and digital programmer test procedure 4 1 Setting The Clock 1 Plug the power supply cord into the wall outlet 2 Press the clock pad 3 Enter the time of the day 4 ...

Page 15: ... power once to set high power 3 Set time at 10 sec by pressing 10 sec pad once 4 Press Micro power pad 3 times to set medium power 5 Set pad for 1 minute by pressing 1 min pad once 6 Press the start pad 7 When the first stage cooking has elapsed oven automatically switches to second stage 5 ...

Page 16: ... times and shuts off 4 3 Turbo Reheat 1 Place water load in the oven 2 Press the Turbo reheat button once 3 Set time to 1 minute by pressing1 min pad once 4 Press the start pad 4 4 Auto Weight Defrost 1 Select the desired program 2 Press g or lb and oz 6 ...

Page 17: ...3 Enter the weight by pressing the Up Down Pads 4 Press Start 4 5 Delay Stand 1 Set power level and time 2 Press Stand 3 Set standing time 4 Press Start 4 6 Delay Start 1 Press delay 7 ...

Page 18: ...nd time 4 Press start pad 4 7 Grill Operation 1 Select grill power press once for grill 1 2 Set cooking time 3 Press start 4 8 Combination Cooking Grill And Microwave 1 Press combination pad 2 Press grill pad to select oven temperature 8 ...

Page 19: ... time 5 Press start pad 4 9 Auto Weight Cook Programs NN V651 NN V621 NN V671 1 Select the desired auto weight cook program 2 Press to select grams or pounds and ounces 3 Enter the weight by pressing the up and down pads 4 Press Start 9 ...

Page 20: ...n Mode 1 Set demonstration mode by pressing the clock pad three times 2 Cancel demonstration mode by pressing the clock pad three times 4 12 Child Lock 1 Set the child lock by pressing the start pad three times 2 Cancel the child lock by pressing the start pad three times 5 Schematic And Wiring Diagram 10 ...

Page 21: ...by the inverter power supply which is controlled by signals from the digital programmer circuit DPC The digital programmer cicruit operates relay RY1 to supply power to the inverter circuit The outpower is controlled by the inverter control signal from the digital programmer circuit Variable power cooking 11 ...

Page 22: ... 3 18 15 NOTE 1 After grill cooking the cooling fan will operate for 1 minute to cool the oven and its electronic components 6 3 Combination Cooking Combination cooking is achieved by operating the microwave and grill together during one cooking cycle The digital programmer circuit controls the ON OFF time of power relay 4 and the inverter control signal as shown in the folowing table Grill And Mi...

Page 23: ...king Time 1 Curry 300g 3 Min 46 Sec 2 Chinese Style 250g 3 Min 08Sec 3 Fresh Vegatables 100g 2 Min 21 Sec 4 Fresh Fish 100g 1 Min 10 Sec 5 Jacket Potatoes 200g 9 Min 20 Sec 6 Frozon Potato Products 100g 4 Min 40 Sec 7 Whole Chicken 1000g 19 Min 30 Sec 8 Chicken Portions 200g 8 Min 00 Sec 9 Chilled Pizza 200g 6 Min 50 Sec 10 Frozen Pizza 200g 9 Min 10 Sec 11 Chilled Crispy Top 300g 8 Min 31 Sec 12 ...

Page 24: ...rts at the end of the 10 second period 2 T1 Time The total amount of time it takes the microwave oven to switch to T2 time after the 10 second period 3 T2 Time When the steam escapes from the cooking container placed in the oven the steam sensor detects it and the microprocessor calculates the balance of cooking time This T2 time is then shown on the display and begins counting down Balance of coo...

Page 25: ...2 Inverter Warnings 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 current for the magnetron tube Though it is free from danger in ordinary use extreme care should be taken during repair As you can see it looks like a TV flyback transformer however the current is extremely large and is therefore...

Page 26: ...roperly grounded via the inverter earth bracket Figure 2 Grounding of the inverter circuit board WARNING DISCHARGE THE HIGH VOLATGE CAPACITORS 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 termi...

Page 27: ...t or component is to be replaced always ensure that the power cord is removed from the wall outlet 7 4 When the 10A fuse is blown due to the operation of the short switch 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 short...

Page 28: ...N MICROWAVE RADIATION DO NOT BECOME EXPOSED TO RADIATION FROM THE MICROWAVE GENERATOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY IMPORTANT NOTICE The following components have potentials above 250V while is appliance is operated Magnetron High voltage transformer Located on inverter U High voltage diodes Located on inverter U High voltage capacitors Located on inverter U Pay special attention in t...

Page 29: ...tighten the mounting screws making sure that there is no gap between the waveguide and the magnetron to prevent microwave leakage Caution When replacing the magnetron ensure that the antenna gasket is in place Note The magnetron used for this model is unique for the inverter power supply system Make sure to use the one as listed in the parts list Figure 1 Removal of the magnetron 8 2 Inverter powe...

Page 30: ...he four screws holding the PCB to the inverter support base Caution when replacing the inverter power supply U 1 Make sure that grounding plate is in place 2 Securely tighten the grounding screw through the side of the chassis Base 3 Securely connect the 3 lead wire connectors 4 Make sure that the heat sink has enough space gap from the oven Take care not to touch any lead wire to the aluminium he...

Page 31: ...mbly To remove escutcheon pad 1 Remove the escutcheon bracket from the escutcheon base by freeing the 4 catch hooks on the escutcheon base 2 Peel away the display window from the inside of the base 3 Remove the membrane assembly by pushing from the inside of the base and then peeling away from the outside surface NOTE 1 The escutcheon key board is attached to the escutcheon base with double faced ...

Page 32: ...earthed to the back plate via the earth strip 4 When replacing the stainless escutcheon asemmbly NN V671SB ensure that the stainless facia is earthed to the escutcheon back plate via the earth spring Figure 4 Removal of DPC AU and DPC DU Figure 5 Grounding of the silver escutcheon Figure 6 22 ...

Page 33: ...m the DPC contacts remove the defective transformer power relays and install the new components making sure that the terminal pins are inserted completely Carefully re solder all terminal contacts carefully Note Do not use a soldering iron or de soldering tool of more than 30 watts on DPC contacts 8 5 Fan Motor 1 Remove two screws and remove the tie bar 2 Disconnect the two lead wires from the fan...

Page 34: ...must be taken not to damage these hooks during disassembly 4 Remove the door key and spring from the door E After replacement of the defective component parts of the door reassemble and follow the instructions below for proper installation and adjustment so as to prevent excessive microwave leakage 1 When mounting the door to the oven be sure to adjust the door parallel to the bottom line of the o...

Page 35: ...cated 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 Note To secure the motor cover use a 4 x 6 screw Figure 9 25 ...

Page 36: ... motor cover Figure 10 Removing the two scews fixing the turntable motor 8 8 Quartz Heater 1 Disconnect the lead wires from the heater terminals 2 Remove one screw holding the heater supports 3 Remove the heater Figure 11 26 ...

Page 37: ...ector for the digital programmer circuit board 3 Remove the exhaust guide from the steam sensor unit 4 Remove the catch hooks on the sensor mounting plate and air guide 5 Remove the steam sensor from the sensor mounting plate NOTE When installing the steam sensor make sure that the direction of the steam sensor is as shown in the figure 13 Removing the steam sensor 27 ...

Page 38: ... 9 1 Primary Latch Switch Secondary Latch Switch and power relay B interlocks 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 Test the continuity of the switches with the door open and closed with an ohm meter on the lowest scale Normal continuity reading...

Page 39: ...iagnose 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 A continuity check between each filament terminal and the magnetron case should read open 9 4 Push Button Keyboard Check the continuity between the switch terminals by tapping an appropria...

Page 40: ...c discharge may damage this control panel Always ground yourself while working on this panel to discharge any static from your body In order to detemine if the steam sensor programe of the digital programmer circuit is in working order do the following test 1 Place a water load 150cc inn the oven 2 Set the Auto sensor program 5 fish 3 Tap the Start pad 4 Steam Sensor detects steam about 1 minute a...

Page 41: ...oor hook assembly Follow the instructions in figure 1 NOTE No specific adjustment during the insulation of each switch into the door hook is necessary 2 When mounting the door hook assembly to the oven assembly adjust the door hook assembly by moving it in the direction of the arrow in figure 1 Ensuring the door does not have any play in it Check for play by pulling the door assembly Make sure tha...

Page 42: ...h exactly one liter of tap water Stir the water using the thermometer and record the waters temperature Record as T1 2 Place the beaker on the center of the glass cook plate 3 Operate the Microwave for 1 Minute on FULL power 4 Stir the water again and read the temperature of the water Record as T2 5 The normal temperature rise at the high power position for each model is shown in the table Figure ...

Page 43: ...emoved To do otherwise may result in a false reading or damage to your meter When disconnecting a plastic connector from a terminal you must hold the plastic connector and not the lead wire otherwise the lead wire may become open circuit 7 Do not touch any parts of the circuitry on the digital programmer circuit since static electric discharge may damage this control panel Whilst working on this b...

Page 44: ...Troubleshooting No Operation Figure 2 Troubleshooting Fuse is blown Figure 3 Troubleshooting Other problems Figure 4 34 ...

Page 45: ...Troubleshooting Inverter by Input out voltage Figure 5 35 ...

Page 46: ...Troubleshooting Inverter by Microwave Oven Input Current 12 Digital Programmer Circuit Troubleshooting Guide 36 ...

Page 47: ...Figure 2 How to test the semiconductors 13 Main Parts List 1 Part numbers are indicated on most mechanical parts Please use these part numbers for part orders Do not use the description of 37 ...

Page 48: ...AGNETRON 1 15 XTWANE4 12B SCREW 4 16 E4008 1640 FAN BLADE 1 17 E400A4760JP FAN MOTOR 1 18 E42094N30BP LOWER ORIFICE 1 19 E610T5D00BP OVEN LAMP UNIT 1 20 E20994N30BP REINFORCEMENT BRACK 1 21 E40254N40GS AIR GUIDE A 1 22 E40474V00BP AIR GUIDE E 1 23 E10014N30BP BASEPLATE 1 24 E030E4N30BP HV LEADWIRE 1 25 E606Y4V00BP INVERTER 1 26 E66014V00BP INVERTER EARTH BRACKET 1 27 E65854V00BP INVERTOR SUPPORT B...

Page 49: ...PPORT BRACKET 2 40 E03594N30GP LEADWIRE GRILL LINK 1 41 E64504N50BP SENSOR COVER B 1 NN V681WB 42 E607S7050AP STEAM SENSOR 1 NN V681WB 43 E407F8010BP STEAM SENSOR ASSY 1 NN V681WB 44 E00064080BP WARNING LABEL 1 45 E40244N30BP EXHAUST GUIDE 1 46 E11405840GP STOPPER A 2 47 E09250000BD CUSHION RUBBER 2 NN V681WB 48 E630G8000BP QUARTZ HEATER 2 49 E09230000AD CUSHION RUBBER 1 14 Exploded View 15 Door A...

Page 50: ...30SBP DOOR A ASSEMBLY 1 NN V671SB D3 E31464N30BP DOOR SCREEN B 1 NN V681WB NN V621MB NN V651WB NN V651CB D4 E302K4N30BP DOOR E ASSEMBLY 1 D5 E30214000AP DOOR KEY SPRING 1 D6 E30184L00GS DOOR KEY 1 D7 E30854N30BP DOOR C 1 D8 E30064N30BP UPPER HINGE 1 NOTE When ordering any Door component also order door C as this part may become damaged during disassembly 16 Escutcheon Base 40 ...

Page 51: ...B NN V621MB E5 E81274V00SBP ESCUTCHEON BACK PLATE 1 NN V671SB E6 E603L5D10BP DPC AU 1 NN V681WB E6 E603L5D00BP DPC AU 1 NN V671SB NN V621MB NN V651WB NN V651CB E7 E66164L00GS RIBBON CABLE 1 E8 E82564L10BP DOOR OPENING LEVER 1 NN V681WB NN V651WB NN V651CB NN V621MB E8 E82564V00SBP DOOR OPENING LEVER 1 NN V671SB E9 E603Y5D10BP DPC DU 1 NN V681WB E9 E603Y5D00BP DPC DU 1 NN V671SB NN V621MB NN V651WB...

Page 52: ...E Please order the escutcheon base and name plate together NOTE When replacing the silver escutcheon sheet ensure it is earthed to the escutcheon back plate via the earth strip NOTE When replacing the stainless escutcheon assembly be sure that the fascia is earthed to the back plate via the earth spring 17 Packing And Accessories 42 ...

Page 53: ...OK BOOK 1 P8 E01695750BP SERVICE CENTER LIST 1 P9 E01134N30BP TRAY STYROL 1 P10 E01025D10HBP CARTON BOX 1 NN V681WB P10 E01025D00SBP CARTON BOX 1 NN V671SB P10 E01025D00NBP CARTON BOX 1 NN V621MB P10 E01025D00HBP CARTON BOX 1 NN V651WB P10 E01025D00BP CARTON BOX 1 NN V651CB P11 E01054N30BP LOWER FILLER 1 P12 E01064N70GS VINYL BAG 1 P13 E01076700BP DOOR SHEET 1 P14 E01926430GP PROTECTOR SHEET 1 P15...

Page 54: ...STRIPS REF NO 2 set Remarks NN TKV69W E1603A510HBP 2 E1601A510HBP 2 NN V681WB NN V651WB NN TKV69C E1603A510BP 2 E1601A510BP 2 NN V651CB NN TKV69M E1603A510NBP 2 E1601A510NBP 2 NN V621MB Trim kit assemmbly Instruction E0003A4N30BP 19 Key Board Matrix 44 ...

Page 55: ...20 Digital programmer Circuit 45 ...

Page 56: ...DPC Schematic 1 46 ...

Page 57: ...47 ...

Page 58: ...104Z25 100nF Chip Capacitor 5 R111 113 R20 R442 AERJ3GSYJ102 1K Chip Resistor 5 R481 AERJ3GSYJ102 1K Chip Resistor 1 R340 AERJ3GSYJ103 10K Chip Resistor 1 R650 AERJ3GSYJ104 100K Chip Resistor 1 R480 AERJ3GSYJ104 100K Chip Resistor 1 R110 AERJ3GSYJ220 22R Chip Resistor 1 R331 AERJ3GSYJ471 470R Chip Resistor 1 C441 R443 AERJ3GSYJ333 33K Chip Resistor 2 R40 R48 AERJ3GSYJ683 68K Chip Resistor 9 IC1 AE...

Page 59: ...T 1 8K Resistor 1 Q10 2SD1859TV2 Transistor 1 Q226 AESAKTA200Y PNP Transistor 1 Q221 Q222 AESCKTC3199GR NPN Transistor 2 C10 EEUFC1C471B 470uF 16 V Elect Capa 1 C12 ECEA1CKA100B 10uF 16V Electrolytic Capacitor 1 R27 ERX12SJ1R0E 1R 1 2 Watt Resistor 1 CN7 AEEMMF00703R 3 Pin Connector Steam Sensor 1 CN4 AEEMXF00D04W 4 Pin Connector 1 RY2 RY3 AEBGG5N1A12 12 V Relay 2 RY1 RY4 AEGG5G1A12 12 V Relay 2 C...

Page 60: ...citor 5 R111 113 R20 R442 AERJ3GSYJ102 1K Chip Resistor 5 R340 AERJ3GSYJ103 10K Chip Resistor 1 R650 AERJ3GSYJ104 100K Chip Resistor 1 R110 AERJ3GSYJ220 22R Chip Resistor 1 R331 AERJ3GSYJ471 470R Chip Resistor 1 C441 R443 AERJ3GSYJ333 33K Chip Resistor 2 R40 R48 AERJ3GSYJ683 68K Chip Resistor 9 IC1 AEIC8224H150 LSI M3822 24K 1 A611A4J01XN Display Holder Unit 1 DISP110 AEDDHL4V00BP LCD NEW 1 CN6 AE...

Page 61: ...T 1 8K Resistor 1 Q10 2SD1859TV2 Transistor 1 Q226 AESAKTA200Y PNP Transistor 1 Q221 Q222 AESCKTC3199GR NPN Transistor 2 C10 EEUFC1C471B 470uF 16 V Elect Capa 1 C12 ECEA1CKA100B 10uF 16V Electrolytic Capacitor 1 R27 ERX12SJ1R0E 1R 1 2 Watt Resistor 1 CN4 AEEMXF00D04W 4 Pin Connector oo o 1 RY2 RY3 AEBGG5N1A12 12 V Relay 2 RY1 RY4 AEGG5G1A12 12 V Relay 2 CN5 AEEM19FEBVKN 19 Pin Connector 1 Ref No P...

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