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Troubleshooting
Related Manuals for Panasonic NN-S263SF
Summary of Contents for Panasonic NN-S263SF
- Page 1 ORDER NO.SIMMC 0303013A1 Microwave Oven NN-S263SF / NN-S263BF / NN-S263WF / NN-S263QF / NN- S253BF / NN-S253WF APH(USA) CPH(CANADA) Please file and use this manual together with the service manual for Model No.NN-S262SF, Order No.SIMMC0203005C1. SPECIFICATIONS...
- Page 2 2003 Shanghai Matsushita Microwave Oven Co., Ltd. / All rights reserved. Unauthorized copying and distribution is a violation of law.
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Page 6: Schematic Diagram (Aph)
1. SCHEMATIC DIAGRAM (APH) 2. SCHEMATIC DIAGRAM (CPH) - Page 7 3. MEASUREMENTS AND ADJUSTMENTS 3.1. Adjustment of primary latch switch, door switch and short switch. 1. Mount the Primary latch switch, the door switch and the short switch to the door hook assembly as shown in ILL. NOTE:...
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Page 8: Measurement Of Microwave Output
No specific individual adjustment during installation of the Primary latch switch, door switch or short switch to the door hook are required. 2. When mounting the door hook assembly to the oven assembly, adjust the door hook assembly by moving it in the direction of the arrows in the illustration, so that the oven door will not have any play in it. -
Page 9: Procedure For Measuring Microwave Energy Leakage
as accurately as possible. 1. Fill the beaker with exactly one liter of tap water.Stir the water using the thermometer and record the water’s temperature. (recorded as T1). 2. Place the beaker on the center of glass tray. / Set the oven for High power and heat it for exactly one minute. - Page 10 4.2. Procedure for measuring radiation leakage Note before measuring. - Do not exceed meter full scale deflection. Leakage monitor should initially be set to the highest scale. - To prevent false readings the test probe should be held by the grip portion of the handle only and moved along the shaded area in Figure no faster than 1 inch/sec (2.5cm/sec).
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Page 11: Exploded View And Parts List
reading must be taken. Record this leakage reading on the repair ticket even if it is zero. A copy of this repair ticket and the microwave leakage reading should be kept by repair facility. - Should the radiation leakage be more than 2 mW/cm (1mW/cm for Canada) after determining that all parts are in good condition, functioning properly, and genuine replacement parts as listed in... -
Page 12: Parts List
6. 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 13 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00205H00AP CAUTION LABEL F00067600CP CAUTION LABEL F00335H00AP FUSE LABEL F110D5H00SAP CABINET BODY (U) S263SF F110D5H10BAP CABINET BODY (U) S263BF, S253BF F110D5H10HAP CABINET BODY (U) S263WF, S253WF F110D5V20QAP CABINET BODY (U) S263QF F100D5H00AP BASE PLATE (U)
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Page 14: Door Assembly
Ref. No. Part No. Part Name & Description Pcs/Set Remarks F20155H00AP STIRRER F20165H00AP ANTENNA SUPPORT F60305H00AP INCANDESCENT LAMP F61525H00AP SOCKET F61455H00AP THERMAL CUTOUT F61455E60XN THERMAL CUTOUT FOR MAGNETRON A606Y4T00AP H.V.INVERTER (U) A606Y4T00CP H.V.INVERTER (U) 2M261-M32F MAGNETRON 2M261-M32G MAGNETRON B62308250AP FUSE 18A/125V F62315G10XN FUSE HOLDER... -
Page 15: Escutcheon Base Assembly
Ref. No. Part No. Part Name & Description Pcs/Set Remarks F3018-1200 DOOR KEY A F302A5V10SAP DOOR A (U) S263SF F302A5V20BAP DOOR A (U) S263BF, S253BF F302A5V20HAP DOOR A (U) S263WF, S253WF F302A5V20QAP DOOR A (U) S263QF F302K5H00AP DOOR E (U) F30214000AP DOOR KEY SPRING F30855H00AP... - Page 16 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L5V10AP D.P.CIRCUIT S263SF/BF/WF/QF APH F603L5V30AP D.P.CIRCUIT S253BF/WF APH F603L5V10CP D.P.CIRCUIT S263SF/BF/WF/QF CPH F603L5V30CP D.P.CIRCUIT S253WF CPH F630Y5V10SAP MEMBRANE SWITCH (U) S263SF APH F630Y5V20BAP MEMBRANE SWITCH (U) S263BF APH F630Y5V20HAP MEMBRANE SWITCH (U) S263WF APH F630Y5V20QAP MEMBRANE SWITCH (U) S263QF APH...
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Page 17: Packing And Accesories
Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00075V20HAP NAME PLATE S263WF APH F00075V20QAP NAME PLATE S263QF APH F00075V30BAP NAME PLATE S253BF APH F00075V30HAP NAME PLATE S253WF APH F00075V10SCP NAME PLATE S263SF CPH F00075V20BCP NAME PLATE S263BF CPH F00075V20HCP NAME PLATE S263WF CPH F00075V20QCP NAME PLATE... -
Page 18: Wiring Materials
Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00035V10AP INSTRUCTION MANUAL F00035V10CP INSTRUCTION MANUAL F01025V10SAP PACKING CASE, PAPER S263SF APH F01025V20BAP PACKING CASE, PAPER S263BF APH F01025V20HAP PACKING CASE, PAPER S263WF APH F01025V20QAP PACKING CASE, PAPER S263QF APH F01025V30BAP PACKING CASE, PAPER S253BF APH F01025V30HAP PACKING CASE, PAPER... -
Page 19: Digital Programmer Circuit
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 INCLUDING CABEL CONNECTOR CN4 11. DIGITAL PROGRAMMER CIRCUIT SCHEMATIC DIAGRAM... - Page 21 12. DIGITAL PROGRAMMER CIRCUIT PARTS LIST...
- Page 22 Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ310 AEFBAT2001 BUZZER 2.0KHz C13, C221, C440 AECUU06F103Z CHIP CAPACITOR 0.01 F/50V C582 AECUU06F103Z CHIP CAPACITOR 0.01 F/50V (S263SF/BF/WF/QF) C343 AECUU06C101J CHIP CAPACITOR 100PF/50V C12, C14, C340 AECUT06F104Z CHIP CAPACITOR F/25V C568, C580, C583 AECUT06F104Z...
- Page 23 , 1/16W, 5% Ref. No. Part No. Part Name & Description Pcs/Set Remarks R567 AERJ06J220R CHIP RESISTOR , 1/16W, 5% (S263SF/BF/WF/QF) 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...
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Page 24: Microwave Oven
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... -
Page 25: 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 26 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 27 reserved. Unauthorized copying and distribution is a violation of law.
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Page 31: 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 32: Control Panel (Cph)
3. CONTROL PANEL (CPH) -
Page 33: Operation And Digital Programmer Circuit Test Procedure
4. OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE 4.1. To set clock... -
Page 34: Operation
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 35: 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 36: 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 37: 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 38: Schematic Diagram (Cph)
6. SCHEMATIC DIAGRAM (CPH) -
Page 39: 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 40: 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 41: 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 42 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 43: 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 44: 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 45: 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 46: 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 47: 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 48 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 49: 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 50: 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 51: 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 52: 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 53: 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 54: Danger High Voltage
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. -
Page 55: 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 56: 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 57: 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 58: 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 59: Troubleshooting Guide
13. TROUBLESHOOTING GUIDE... - Page 60 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 61 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 62: 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 63: 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 64: 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 65 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 66 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 67 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 68: 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 69: 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 70: 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 71 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 72: Digital Programmer Circuit
20. DIGITAL PROGRAMMER CIRCUIT SCHEMATIC DIAGRAM... -
Page 73: Digital Programmer Circuit
21. DIGITAL PROGRAMMER CIRCUIT PARTS LIST... - Page 74 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 75 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...
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