Panasonic NN-CS596S Service Manual Download | Manualshive

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1.2. WPG/SPG

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NN-CS596S

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Summary of Contents for NN-CS596S

Page 1: ...ghai Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law NN CS596S BPQ U K EPG France Italy Spain Portugal Greece Poland Holland WPG Switzerland SPG Norway Finland Sweden Denmark Microwave Oven ORDER NO PHAMOS0610046C2 ...

Page 2: ...2 NN CS596S ...

Page 3: ...3 NN CS596S ...

Page 4: ...Stir motor 16 4 10 Heater DU steam heater 16 4 11 Convection motor and convection heater 17 4 12 Circuit breaker 19 5 COMPONENT TEST PROCEDURE 20 5 1 Primary latch switch door switch and power relay B interlocks 20 5 2 Short switch monitor 20 5 3 Magnetron 20 5 4 Membrane key board Membrane switch assembly 20 5 5 Inverter power supply U 21 5 6 Temperature thermistor 21 5 7 Circuit breaker 21 6 MEA...

Page 5: ...1 SCHEMATIC DIAGRAM 1 1 BPQ EPG 5 NN CS596S ...

Page 6: ...1 2 WPG SPG 6 NN CS596S ...

Page 7: ... output power 2 3 Auto cooking When the Auto Control feature is selected and the Start pad is tapped 1 The digital programer circuit determines the power level and cooking time to complete cooking and indicates the operating state in the display window Table shows the corresponding cooking times for respective serving by categories 2 When cooking time in the display window has elapsed the oven tur...

Page 8: ...ng start pad oven preheat will start and then water supply begins It will take 1 minute for preheating When preheat is completed it will turn into actual cooking process During heating the temperature sensor Thermistor located on steam heater will monitor steam heater temperature and when it exceeds 100 C the additional water will be supplied to maintain moisture steam within oven cavity 8 NN CS59...

Page 9: ...aluminum heat sink may be HOT due to heat energy therefore extreme care should be taken during servicing H V Inverter warning WARNING FOR INVERTER POWER SUPPLY U GROUNDING Check the High Voltage Inverter Power Supply circuit grounding The high voltage inverter power supply circuit board must have a proper chassis ground The inverter grounding bracket must be connected to the chassis If the inverte...

Page 10: ...ent in their ability to hold the switches 3 6 Avoid inserting nails wire etc through any holes in the unit during operation 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 antennaand cause microwave leakage 3 7 Confirm after repair 1 After repair or replacement of parts make sure that the screws of the...

Page 11: ...magnetron filament terminals 7 Remove 1 screw holding thermistor on magnetron 8 Remove 1 screw holding air guide A on magnetron then remove air guide A 9 Remove 2 screws holding air guide B on magnetron on base plate respectively then remove air guide B 10 Disconnect 2 lead wires from fan motor terminals 11 Disconnect lead wires from noise filter U terminals 12 Release locking tabs of reinforce br...

Page 12: ...small one on backstop to remove D P C board AU To replace membrane key board 13 Use tools such as kinfe etc to poke from the edge of escutcheon sheet and peel off escutcheon sheet and membrane key board completely from escutcheon base NOTE 1 The membrane key board is attached to the escutcheon base with double faced adhesive tape Therefore applying hot air such as using a hair dryer is recommended...

Page 13: ...tage lead wires from magnetron filament terminals 10 Unplug connector CN701 CN702 from H V Inverter board 11 Remove 1 screw holding Inverter guide bracket on reinforce bracket B then release locking tabs detach Inverter guide bracket 12 Release locking tabs connecting Inverter bracket A with Inverter bracket B detach bracket A B 13 Remove 2 screws holding H V Inverter on Inverter bracket 4 5 Upper...

Page 14: ...ive microwave leakage Adjustment of the door assembly 2 When mounting the door to the oven be sure to adjust the door parallel to the cavity front plate by moving hinges back or front NOTE Upper portion of door A should firmly touch the cavity front plate without pushing NOTE Be sure the gap between lower portion of door A and cavity front plate should be less than 0 5mm 4 7 Fan motor 1 Disconnect...

Page 15: ...htly 7 Pull out tube B from inlet of pump 8 Remove 2 screws holding pump bracket on escutcheon base 9 Draw out pump bracket from bottom rail of escutcheon base 10 Uplift the afterbody of pump slightly to release the tabs of pump bracket then draw out pump 11 Pull out tube A from outlet of pump To install pump 1 Insert pump into pump bracket Inlet of pump should be close to harness clasp of pump br...

Page 16: ...ing Steam pad for more than 2 seconds to drain the water remaining in the water pipes and tubes into oven cavity forcibly 3 Remove tubes from both ends of copper pipe 4 Remove 1 screw holding air guide B on the base 5 Remove left and right door key springs from door arm NOTE Please support door before operation 6 Turn over the microwave oven and remove all screws holding base on oven assy two hing...

Page 17: ...e and live lead of circuit breaker blue and yellow connectors 2 Disconnect 2 lead wires from circuit breaker harness connecting to main lead wire harness black and green connectors 3 Remove 1 screw holding side cover on cavity back plate 4 Remove 1 screw holding side cover on the side of back cover then remove side cover circuit breaker 5 Disconnect 2 lead wires from convection heater terminals 6 ...

Page 18: ...d then rightward and out emphatically then remove the module which consists of convection inside cover A convection motor and convection heater To replace convection heater 13 Remove 1 screw holding heater bracket A on convection inside cover A 14 Remove 2 screws holding convection heater on convection inside cover A To replace convection motor 15 Remove 1 nut holding convection fan then remove co...

Page 19: ...ILL Do not install inversely 2 Before tighten 2 screws draw the circuit breaker harness U in and out slightly to confirm if the lead wire is pressed If the lead wire is pressed the cladding of wire might be damaged and will cause electric shock 3 Make sure that the same side input and output lead wires are same colour while connecting the terminals the left side lead wires are blue Do not mix up 1...

Page 20: ...Open 5 2 Short switch monitor 1 Unplug lead wires from Inverter Power Supply U primary terminals 2 Connect test probes of ohm meter to the disconnected leads that were connected to Inverter Power Supply U 3 Test the continuity of short switch with door opened and closed positions using lowest scale of the ohm meter Normal continuity readings should be as follows Door Opened Door Closed 0Ω Ω 5 3 Ma...

Page 21: ...ged 2 Program oven at High power for 1 minute and press start a After approximately 3 seconds oven stops b During oven operation input current is approximately 0 4A INPUT AMPERE FAILURE CODE Unplug CN701 0 4A Oven stops in 3 seconds after started If both a and b check OK the Inverter Power Supply U can be determined to be OK 5 6 Temperature thermistor These sensor monitors the heat produced by the...

Page 22: ...ches again by following the component test procedures 6 2 Measurement of microwave output The output power of the magnetron can be determined by performing IEC standard test procedures However due to the complexity of IEC test procedures it is recommended to test the magnetron using the simple method outlined below Necessary Equipment 1 liter beaker Glass thermometer Wrist watch or stopwatch NOTE ...

Page 23: ...exact cause of any trouble since operator error may be mistaken for the oven s malfunction Self diagnostic display Oven has self diagnostic function but it will not be activated in normal operation mode To show self diagnostic result please take the following steps 1 Firstly you must program the DPC into TEST MODE Plug in oven press Timer pad twice press Start pad once press Micro Power pad once 2...

Page 24: ... Loose lead wire connector CN703 Oven stops in 1 minute after pressing start pad Convection Grill convection cooking Oven thermistor circuit is not functions 1 Oven thermistor 2 Loose wiring Oven stops in 30 seconds after pressing start pad Steam cooking Steam heater thermistor circuit is not functions 1 Steam heater thermistor 2 Loose wiring 3 bad conductibility between thermistor and steam heate...

Page 25: ...n 1 2 Off alignment of latch switches Open or loose connection of high voltage circuit especially magnetron filament circuit NOTE Large contact resistance will cause lower magnetron filament voltage and cause magnetron to have lower output and or be intermittent Adjust door and latch switches 3 Defective high voltage component H V Inverter Power Supply u Magnetron Check high voltage component acco...

Page 26: ...f H95 H97 H98 and H99 First you must program the DPC into TEST MODE press Timer pad twice Press Start pad once press Micro Power pad once Program unit for operation H95 H97 H98 H99 appears in display window a short time after start key is pressed and there is no microwave oscillation Alternate way to troubleshoot oven with AC Ampere meter used H95 H97 H98 H99 appears in display window a short time...

Page 27: ... this procedure Power will Ammeter reading is To do Remedy Shut off in 23 seconds after Start 1 Between 0 5A and 1 0A Check and repair open magnetron circuit Open magnetron wiring between Inverter and magnetron terminal 2 Between 1 0A and 2 0A Check continuity of D702 in Inverter PCB 1 D702 shorted Replace H V Inverter F606YM300GP 2 D702 is OK Replace magnetron Shut off in 3 seconds after Start 1 ...

Page 28: ...8 EXPLODED VIEW AND PARTS LIST 8 1 EXPLODED VIEW 28 NN CS596S ...

Page 29: ...P STIR MOTOR 1 25 Z20197J70XP ANTENNA BRACKET 3 26 Z61425U30XN MICRO SWITCH 1 V 15G 3C25 PRIMARY LATCH SWITCH 27 Z61425180AP MICRO SWITCH 1 D3V 16G 3C25 SECONDARY LATCH SWITCH 28 Z61785180AP MICRO SWITCH 1 D3V 1G 2C25 SHORT SWITCH 29 Z603Y6Y40XP D P CIRCUIT DU 1 30 Z62304210BP FUSE 1 10A 250V 31 Z692Y6Y40BP NOISE FILTER U 1 32 Z45006Y40XP JACKET 1 33 Z900C6Y40BP AC CORD W PLUG 1 BPQ 33 Z900C6Y40EP...

Page 30: ...1D6Y40EP CONVECTION HEATER 1 EPG SPG WPG 82 Z64174V00BP HEATER BRACKET A 1 83 Z66796Y40BP CONVECTION INSIDE COVER A 1 85 Z607J6Y40BN CONVECTION ASSEMBLY BU 1 INCLUDING IN CONVECTION OUTSIDE COVER B ADIABATIC MATERIAL 86 Z67356Y40XP HEATER PROTECTOR 1 89 Z40276Y40BP INVERTER AIR GUIDE 1 90 Z50586Y40XP BRACKET 1 91 Z50596Y40XP COVER 1 92 Z60586Y40BP CIRCUIT BREAKER 1 93 Z03586Y40BP CIRCUIT BREAKER H...

Page 31: ...ESCUTCHEON BASE U 1 EPG SPG WPG INCLUDING MEMBRANE SWITCH U E5 Z800B6Y40SBP ESCUTCHEON BASE BU 1 E6 Z803G6Y40SBP POP UP DIAL U 2 E10 Z400L6Y40XP PUMP LED U 1 INCLUDING PUMP LED PCB E11 Z83876Y40BP BUTTON 1 E12 Z06397J70XP PUMP BRACKET 1 E13 Z66166Y40BP FLAT CABLE 1 WIDE ONE E14 Z66166Y40XP FLAT CABLE 1 NARROW ONE E15 Z44266Y40BP SEAL B 1 E16 Z46487J70XP TUBE A 1 E17 Z46497J70XP TUBE B 1 E18 Z45126...

Page 32: ...K00 SEAL 1 D4 Z30546Y40BP DOOR ARM LEFT 1 D5 Z30446Y40BP DOOR ARM RIGHT 1 D6 Z32316Y40BP DOOR KEY SPRING A 1 D7 Z32306Y40BP DOOR KEY SPRING B 1 D8 Z302A6Y40SBP DOOR B U 1 BPQ D8 Z302A6Y40SEP DOOR B U 1 EPG SPG WPG 8 6 WIRING MATERIALS Ref No Part No Part Name Description Pcs Set Remarks W1 Z030A6Y40BP LEAD WIRE HARNESS 1 BPQ EPG W1 Z030A6Y40SP LEAD WIRE HARNESS 1 SPG WPG W2 Z030E 1K00 H V LEAD WIR...

Page 33: ...OWER FILLER 1 P5 Z01066Y40XP P E BAG 1 P6 Z01078100XN DOOR SHEET 1 P8 Z01146Y40BP FOAM 1 P9 Z01136Y40BP FOAM 1 P10 Z06026940BP OVEN RACK 1 P11 Z60037J70XP CERAMIC COVER 1 P12 Z01126Y40BP FOAM 1 P13 Z06037J70XP CRISPY PAN 1 P15 Z01926Y40XP SHEET 1 P17 Z01096Y40XP SHEET 1 P18 Z01896Y40XP PROTECT CORNER 2 P19 Z02246Y40BP NOTICE 1 P20 Z07496Y40BP PYREX DISH 1 P21 Z06786Y40BP PLASTIC TRIVET 1 P22 Z0709...

Page 34: ...9 DIGITAL PROGRAMMER CIRCUIT 9 1 SCHEMATIC DIAGRAM 34 NN CS596S ...

Page 35: ...35 NN CS596S 09 06 ChengWei S 6Y4 Printed in China ...

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