Related Manuals for Panasonic NN-S262SF APH
Summary of Contents for Panasonic NN-S262SF APH
- Page 1 ORDER NO.SIMMC 0203005C1 Microwave Oven NN-S262SF / NN-S262BF / NN-S262WF / NN-S252BF / NN- S252WF APH(USA) CPH(CANADA) SPECIFICATIONS 2002 Shanghai Matsushita Microwave Oven Co., Ltd. / All rights...
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Page 2: Table Of Contents
svcdoc Microwave Oven 1 1. FEATURE CHART 5 2. CONTROL PANEL (APH) 6 3. CONTROL PANEL (CPH) 7 4. OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE 8 4.1. To set clock 8 4.2. Time cooking for two stage 9 4.3. Inverter turbo defrost 10 4.4. -
Page 3: Microwave Oven
svcdoc 12.2.1. Measurement with the outer panel removed. 33 12.2.2. Measurements with a fully assembled oven. 33 12.3. Record keeping and notification after measurement 33 12.4. At least once a year, have the radiation monitor checked for calibration by its manufacturer. 33 13. - Page 4 reserved. Unauthorized copying and distribution is a violation of law.
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Page 8: Feature Chart
1. FEATURE CHART MODEL NN-S262 NN-S252 FEATURE Five Stage Cooking Inverter Turbo Defrost Sensor Reheat Sensor Cooking Auto Reheat Inverter Auto Cooking Quick Min Popcorn Digital Clock Timer Child Safety Lock Vent Fan Cooktop Light 2. CONTROL PANEL (APH) -
Page 9: Control Panel (Cph)
3. CONTROL PANEL (CPH) -
Page 10: Operation And Digital Programmer Circuit Test Procedure
4. OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE 4.1. To set clock... -
Page 11: Time Cooking For Two Stage
OPERATION SCROLL DISPLAY 1. Plug the power supply BEFORE USE REFER TO cord into wall outlet. OPERATING INSTRUCTIONS 2. Press [Clock] pad. 3. Enter time of day (TOD) by pressing appropriate [Number] pads. 4. Press [Clock] pad. TOD has now been resistered into the digital programmer circuit and will count up... -
Page 12: Inverter Turbo Defrost
OPERATION SCROLL DISPLAY 6. Press [Start] pad. 7. When 1st stage cooking time has elapsed. Oven beeps twice and automatically switches to 2nd stage cooking. 8. When 2nd stage Time of day or colon if cooking time has set appears in the display elapsed, oven beeps 5 times and shuts off. -
Page 13: Popcorn
OPERATION SCROLL DISPLAY 1. Press [Beverages] BEVERAGES pad once. PRESS SERVING WEIGHT 2. Press [Serving/Weight 2 CUPS ] pad twice to select 2 cups 3. Press [Start] pad. When cooking time has Time of day or colon if elapsed, Oven beeps 5 set appears in the times and shuts off. -
Page 14: Power Level
OPERATION SCROLL DISPLAY 1. Press [Auto Reheat] pad twice for two servings. 2. Press [Start] pad.Auto Reheat cycle begins time counts down. 3.When cooking time Time of day or colon if has elapsed, Oven set appears in the beeps 5 times and shuts display. -
Page 15: Schematic Diagram (Cph)
6. SCHEMATIC DIAGRAM (CPH) -
Page 16: Description Of Operating Sequence
7. DESCRIPTION OF OPERATING SEQUENCE 7.1. Variable power cooking control High Voltage Inverter Power supply (U) controls output power by the signal from Digital Programmer Circuit (DPC). Power relay stays ON for P4 to P10 and For P1 to P3, both inverter drive signal and power relay to control output power. -
Page 17: Inverter Power Supply Circuit [New H.v.]
The ON/OFF time ratio does not correspond with the percentage of microwave power since approximately 2 seconds are required for heating of magnetron filament. Variable Power Cooking OUTPUT ON-OFF TIME OF POWERSETTING POWER( POWER RELAY B (RY1) APPROX. ON(SEC) OFF(SEC) HIGH 100% MEDIUM-... -
Page 18: Inverter Turbo Defrost
When this 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. - Page 19 DANGER OF HIGH VOLTAGE AND HIGH / TEMPERATURE (HOT/LIVE) OF THE INVERTER / POWER SUPPLY (U) This High Voltage Inverter Power Supply circuit supplies 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.
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Page 20: When Parts Must Be Replaced, Remove The Power Plug From The Outlet
WARNING There is high-voltage present, with high-current capabilities in the circuits of the primary, and secondary windings, choke coil and heat sink of the Inverter. It is extremely dangerous to work on or near these circuits with oven energized. DO NOT measure the voltage in the high voltage circuit including filament voltage of magnetron. -
Page 21: Confirm After Repair
8.6. Confirm after repair 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. -
Page 22: Disassembly And Parts Replacement Procedure
IMPORTANT NOTICE [NEW H.V.] 1.The following components have potentials above 2000V while the appliance is operated. * Magnetron * High voltage transformer * High voltage diode * High voltage capacitor Pay special attention to these components. 2.When the appliance is operated with the door hinge or magnetron fixed incorrectly, the microwave leakage can reach more than 5mW/cm After repair or exchange, it is very important to... -
Page 23: Low Voltage Transformer And/Or Power Relays (Ry1, Ry2)
before handling the DPC. 1. Disconnect all connectors from D.P.C. 2. Remove 2 screws holding escutcheon base and slide the escutcheon base upward slightly. 3. Release CN6 connector's lock of D.P.C by pushing both levels to inside and pull them upward, and remove flat cable of membrane keyboard. -
Page 24: Inverter Power Supply (U)
before handling the DPC. (A) Using solder wick or a desoldering tool and 30W soldering iron, carefully remove all solder from the terminal pins of the low voltage transformer and/or power relays. NOTE: Do not use a soldering iron or desoldering tool of more than 30 watts on DPC contacts. - Page 25 7. Remove 1 screw holding orifice on the Inverter bracket. 8. Release 2 tabs to make Inverter bracket flat, and then remove orifice. 9. Release 2 tabs on the Inverter bracket and make flat. 10. Unplug 3 connector on H.V. Inverter (U). 11.
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Page 26: Door Assembly
9.5. Door assembly 1. Remove door C from door E by carefully pulling outward starting from upper right hand corner using a flat blade screwdriver. 2. Separate door E from tabs on door A and remove door A. 3. Remove door screen B from door A. 4. -
Page 27: Stirrer Motor
9.6. Stirrer motor 1. Release 1 canoe clip on the cover and then remove the cover. 2. Pull out stirrer. 3. Remove 3 screws which holding exhaust guide A on the oven. 4. Tilt exhaust guide A. 5. Disconnect 2 connectors from stirrer motor. 6. -
Page 28: Fan Motor B (For Magnetron Cooling)
9.9. Fan motor B (for magnetron cooling) 1. Disconnect 2 lead wires from fan motor B terminals. 2. Remove 4 screws holing fan motor B(U)Assembly. 3. Remove 4 screws which holding fan case installation plate on the fan case C. 4. -
Page 29: Component Test Procedure
1. Disconnect 2 lead wires from turntable motor terminals. 2. Remove 1 screw holding turntable motor. 3. Release from retainer tab by turn spinning certain angle, remove turntable. 10. COMPONENT TEST PROCEDURE CAUTION [NEW. H.V.] 1. High voltage is present at the high voltage terminal of the High Voltage Inverter (U) including aluminum heat sink during any cook cycle. -
Page 30: Magnetron
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. 10.3. Magnetron Continuity checks can only indicate an open filament or a shorted magnetron. To diagnose for an open filament or shorted magnetron. - Page 31 DANGER HIGH VOLTAGE Test if failure codes of H97 or H98 appears by doing the following procedure. It is recommended to use an AC line input current Ampere meter for testing. Test1 1. Program DPC. A. Tap Clock B. Tap Timer C.
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Page 32: Measurements And Adjustments
B. During oven operation, input current is approximately less than 0.4A. INPUT AMPERE FAILURE CODE Unplug CN701 <0.4A Oven stops in 3 seconds after started. If both a and b are OK, the Inverter Power Supply (U) can be determined OK. 11. -
Page 33: Measurement Of Microwave Output
circuit and all latch switches again by following the components test procedures. 11.2. 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. -
Page 34: Procedure For Measuring Microwave Energy Leakage
TABLE (1L-1min.test) RATED OUTPUT TEMPERATURE RISE 1100W(IEC705-88) Min. 16.9°F(9.4°C) 1200W(IEC705-88) Min. 18.5°F(10.3°C) 12. PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE WARNING Check for radiation leakage after every servicing. Should the leakage be more than 2 mW/cm (1mW/ for Canada) inform PASC, PSC, or PCI immediately. -
Page 35: Measurement With The Outer Panel Removed
1. Pour 275 ± 15cc (9ozs ± 1/2oz) of 20°C ± 5°C (68° ± 9°F) water in a beaker which is graduated to 600cc, and place in the center of the oven. 2. Set the radiation monitor to 2450MHz and use it following the manufacturer's recommended test procedure to assure correct results. -
Page 36: Troubleshooting Guide
13. TROUBLESHOOTING GUIDE... - Page 37 CAUTION 1. Check grounding before checking for trouble. 2. Be careful of high voltage circuit. 3. Discharge high voltage capacitor. 4. When checking the continuity of the switches or the high voltage transformer,disconnect one lead wir from these parts and then check continuity with the AC plug removed. To do otherwise may result in a false reading or damage to your meter.
- Page 38 SYMPTOM CAUSE CORRECTIONS 5. Timer starts count down but Off-alignment of latch switches Adjust door and latch switches no microwave oscillation. Open or loose connection of high (No heat while oven lamp voltage circuit especially magnetron and fan motor turn on) filament circuit NOTE: Large contact resistance will bring...
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Page 39: Trouble Related To Digital Programmer Circuit
13.1. Trouble related to digital programmer circuit SYMPTOM STEP CHECK RESULT CAUSE/CORRECTIO No display when oven is Fuse pattern of DPC Normal STEP 2 first plugged in. Oven is Open (NOTE) Shorted Circuit of dead. ZNR,L.V.T., Oven Lamp etc.Replace D Low voltage Abnormal 0V transformer (LVT) -
Page 40: Troubleshooting Of Inverter Circuit (U) And Magnetron [New H.v.]
SYMPTOM STEP CHECK RESULT CAUSE/CORRECTIO Unplug CN702(2 pin) H97/H98 appears in window 1. Latch Switch connector and and ovenstops operation. 2. DPC/Power Relay measure voltage Program High powerfor 1 AC line voltage Step 2 between terminals minute and conduct of 120V following testquickly, unless Unplug CN701(3 pin) H97/H98 appears andoven... -
Page 41: How To Check The Semiconductors Using An Ohm Meter
13.3. How to check the semiconductors using an OHM meter 14. EXPLODED VIEW AND PARTS LIST... - Page 42 15. PARTS LIST NOTE: 1. When ordering replacement part(s), please use part number(s) shown in this part list. Do not use description of the part. 2. Important safety notice: Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacture’s specified parts.
- Page 43 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00205H00AP CAUTION LABEL F00067600CP CAUTION LABEL F00335H00AP FUSE LABEL F110D5H00SAP CABINET BODY (U) S262SF F110D5H10BAP CABINET BODY (U) S262BF, S252BF F110D5H10HAP CABINET BODY (U) S262WF, S252WF F100D5H00AP BASE PLATE (U) F201A5H00AP OVEN (U) S262SF/BF/WF...
- Page 44 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F100T5H00AP BACK PLATE B (U) F400B5H00AP FILTER (U) F400K5H00AP EXHAUST ADAPTER F63175H00SAP GLASS PLATE HOLDER S262SF F63175H10BAP GLASS PLATE HOLDER S262BF, S252BF F63175H10HAP GLASS PLATE HOLDER S262WF, S252WF F64375H00AP GLASS PLATE F41575H00AP FAN INSTALLATION PLATE F42175H00AP...
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Page 45: Door Assembly
Ref. No. Part No. Part Name & Description Pcs/Set Remarks F03345H20CP MENU LABEL S252BF/WF CPH 16. DOOR ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/Set Remarks F3018-1200 DOOR KEY A F302A5H00AP DOOR A (U) S262SF F302A5H00BAP DOOR A (U) S262BF, S252BF F302A5H00HAP DOOR A (U) S262WF, S252WF... -
Page 46: Escutcheon Base Assembly
Ref. No. Part No. Part Name & Description Pcs/Set Remarks F030A5H00AP LEAD WIRE HARNESS F030A5H00CP LEAD WIRE HARNESS F030E5H00AP H.V.LEAD WIRE F030E5H00CP H.V.LEAD WIRE F03535H00AP LEAD WIRE HARNESS U 18. ESCUTCHEON BASE ASSEMBLY... -
Page 47: Packing And Accesories
Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L5H00AP D.P.CIRCUIT S262SF APH, S262BF/WF APH F603L5H20AP D.P.CIRCUIT S252BF/WF APH F603L5H00CP D.P.CIRCUIT S262SF CPH, S262BF/WF CPH F603L5H20CP D.P.CIRCUIT S252BF/WF CPH F630Y5H10BAP MEMBRANE SWITCH (U) S262SF/BF APH F630Y5H10HAP MEMBRANE SWITCH (U) S262WF APH F630Y5H20BAP MEMBRANE SWITCH (U) S252BF APH... - Page 48 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00035H00AP INSTRUCTION MANUAL F00035H00CP INSTRUCTION MANUAL F01025H00AP PACKING CASE PAPER S262SF APH F01025H10BAP PACKING CASE PAPER S262BF APH F01025H10HAP PACKING CASE PAPER S262WF APH F01025H20BAP PACKING CASE PAPER S252BF APH F01025H20HAP PACKING CASE PAPER S252WF APH F01025H00CP...
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Page 49: Digital Programmer Circuit
20. DIGITAL PROGRAMMER CIRCUIT SCHEMATIC DIAGRAM... -
Page 50: Digital Programmer Circuit
21. DIGITAL PROGRAMMER CIRCUIT PARTS LIST... - Page 51 Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ310 AEFBTFM571 BUZZER 2.0KHz C221, C440, C13 AECUU06F103Z CHIP CAPACITOR 0.01 F/50V C582 AECUU06F103Z CHIP CAPACITOR 0.01 F/50V (S262SF/BF/WF) C343 AECUU06C101J CHIP CAPACITOR 100PF/50V C12, C14, C340 AECUT06F104Z CHIP CAPACITOR F/25V C568, C580, C583 AECUT06F104Z...
- Page 52 Ref. No. Part No. Part Name & Description Pcs/Set Remarks R182, R183 AERJ06J221R CHIP RESISTOR , 1/16W, 5% R220, R222, R223 AERJ06J222R CHIP RESISTOR 2.2K, 1/16W, 5% R594 AERJ06J223R CHIP RESISTOR 22K, 1/16W, 5% R573 AERJ06J304R CHIP RESISTOR 300K, 1/16W, 5% (S262SF/BF/WF) R310 AERJ06J332R CHIP RESISTOR...