Table of Contents
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Power Requirement
Power Output
Microwave Frequency
Magnetron
Timer
Outside Dimensions
Cavity Dimensions
Net Weight
Shipping weight
Specifications subject to change without notice.
2 L
3
Silvery
SINGAPORE
Volts AC 50 Hz
220
1270
Watts (5.9 A)
Single phase, 3 wire grounded
800
Watts full microwave power (IEC60705)
2,450 MHz
2M219J
0 ~ 35 min.
4
85
(W) x
287
(H) x
40
0(D) mm
315(W) x 227(H) x 349 (D) mm
12.7kg (approx.)
1
4.7
kg (approx.)
© Panasonic Corporation 201 Unauthorized
copying and distribution is a violation of law
Microwave Oven
Model No.
NN-SM33HMY
1
TE
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Table of Contents
Related Manuals for Panasonic NN-SM33HMY
Summary of Contents for Panasonic NN-SM33HMY
- Page 1 (H) x 0(D) mm Cavity Dimensions 315(W) x 227(H) x 349 (D) mm Net Weight 12.7kg (approx.) Shipping weight kg (approx.) Specifications subject to change without notice. © Panasonic Corporation 201 Unauthorized copying and distribution is a violation of law...
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Page 2: Safety Precautions
WARNING This product should be serviced only by trained qualified personnel. This service manual covers products for following markets. When troubleshooting or replacing parts, please refer to the country identifications shown below for your applicable product specification. WTT..For Taiwan SAFETY PRECAUTIONS This device is to be serviced only by properly qualified service personnel. Consult the service manual for proper service procedures to assure continued safety operation and for precautions to be taken to avoid possible exposure to excessive microwave energy. -
Page 3: Table Of Contents
CONTENTS (Page) SAFETY PRECAUTIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Inside front cover SPECIFICATIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-1 CAUTIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-1 INSTALLATIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-1... - Page 4 POWER LEVEL & ACCESSORIES ITEM DESCRIPTION Control Complement Microwave Power for Variable Cooking Power level 800 Watts High 411 Watts Medium 3 Watts Rating Label Location Inside Accessories Instruction manual Glass Tray ller ing This microwave oven is designed for household use only. It is not recommended for commercial purposes.
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Page 5: Cautions
CAUTIONS Unlike other appliances, the microwave oven is MICROWAVE RADIATION high-voltage and high-current equipment. Personnel should not be exposed to the Though it is free from danger in ordinary use, microwave energy which may radiate from the extreme care should be taken during repair. magnetron or other microwave generating device if it is improperly used or connection. -
Page 6: Installations
INSTALLATIONS BEFORE YOU BEGIN, READ THE FOLLOWING INSTRUCTIONS COMPLETELY AND CAREFULLY. INSTALLING EARTHING INSTRUCTIONS 1. Empty the microwave oven and clean inside it with This microwave oven is designed to be used in a fully a soft, damp cloth. Check for damage such as earthed condition. -
Page 7: Operating Instructions
OPERATING INSTRUCTIONS FEATURES Oven Front Plate See-Through oven window Door C Control Panel Safety Door Lock System Glass Tray Roller Ring CONTROL PANEL NN-SM33HM/W, NN-SM32HM Control panel 1 Cooking mode select dial 2 Defrost power 3 Microwave power 4 Time/weight select dial... -
Page 8: Operating Sequence
OPERATING SEQUENCE MICROWAVE COOKING 1. Open the oven door, place the food on the turntable in the oven, and close the oven door. 2. Set the microwave power selector to the desired power level. There are five power levels from 80W to 800W. -
Page 9: Schematic Diagram
SCHEMATIC DIAGRAM... -
Page 10: Circuit Description
CIRCUIT DESCRIPTION • As the door is closed, the contact of MONITOR • 3.2 volts AC is generated from the filament winding of SWITCH opens. This switch creates the short circuit to the high voltage transformer. This 3.2 volts is applied to blow fuse during operation under abnormal condition. -
Page 11: Service Information
SERVICE INFORMATION TOOLS AND MEASURING INSTRUMENTS NECESSARY TOOLS NECESSARY MEASURING INSTRUMENTS Tools normally used for TV servicing are sufficient. • TESTER(VOLTS-DC, AC., Ohmmeter) Standard tools are listed below. • Microwave survey meter • Diagonal pliers - Holaday HI-1500 • Long nose pliers HI-1501 •... - Page 12 MEASUREMENT WITH OUTER CASE NOTES WHEN MEASURING REMOVED • Do not exceed meter full scale deflection. • The test probe must be removed no faster than • When you replace the magnetron, measure for 1 inch/sec (2.5 cm/sec) along the shaded area, microwave energy leakage before the outer case is otherwise a false reading may result.
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Page 13: Measurement Of Microwave Power Output
MEASUREMENT OF MICROWAVE POWER OUTPUT • Microwave power output measurement is made with is measured while the microwave generator is the microwave oven supplied at its rated voltage and operating at full power. Magnetron filament heat-up operated at its maximum microwave power setting with time is not included. - Page 14 D. DOOR ASSEMBLY REMOVAL E. HIGH VOLTAGE TRANSFORMER REMOVAL 1) Open the door. 2) Remove two screws holding the Hinge 1) Discharge the high voltage capacitor. to the Cavity Ass'y. 2) Disconnect the leadwire from magnetron, high voltage CAUTION : Be careful not to damage Door C transformer, and capacitor.
- Page 15 H. AIR GUIDE ASSEMBLY REMOVAL J. REMOVING THE TURNTABLE MOTOR 1) Disconnect the leadwire from lamp, A.C Relay and 1) Remove the glass tray monitor resistor and magnetron. 2) Remove the pully shaft VERY CAREFULLY 3) Lay the unit down on its back. 2) Remove the screw to the cavity.
- Page 16 L. INTERLOCK SYSTEM K. TIMER MOTOR REMOVAL 1) INTERLOCK MECHANISM 1) Remove the control panel assembly from the The door lock mechanism is a device which has cavity. been specially designed to eliminate completely 2) Remove screws which hold the timer motor to the microwave activity when the door is opened during control panel.
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Page 17: Interlock Continuity Test
INTERLOCK CONTINUITY TEST WARNING : FOR CONTINUED PROTECTION AGAINST EXCESSIVE RADIATION EMISSION, REPLACE ONLY WITH IDENTICAL REPLACEMENT PARTS. TYPE NO. KW3A FOR SWITCHS B. SECONDARY INTERLOCK SWITCH TEST A. PRIMARY INTERLOCK SWITCH TEST Disconnect the wire lead from the secondary When the door release button is depressed slowly switch. -
Page 18: Component Test Procedure
COMPONENT TEST PROCEDURE CAUTIONS 1. DISCONNECT THE POWER SUPPLY CORD FROM THE OUTLET WHENEVER REMOVING THE OUTER CASE FROM THE UNIT. PROCEED WITH THE TEST ONLY AFTER DISCHARGING THE HIGH VOLTAGE CAPACITOR AND REMOVING THE WIRE LEADS FROM THE PRIMARY WINDING OF THE HIGH VOLTAGE TRANSFORMER. - Page 19 COMPONENTS TEST PROCEDURE RESULTS Antenna Gasket Chassis Filament NOTE: When testing the magnetron, be sure to install the magnetron gasket in the correct position and be sure that the gasket is in good condition. HIGH VOLTAGE Measure the resistance. Normal: Momentarily indicates CAPACITOR (Ohm-meter scale: Rx1000) several ohms, and then...
- Page 20 COMPONENTS TEST PROCEDURE RESULTS FUSE Check for continuity of the fuse with an Normal Abnormal multi-meter. NOTE: If the fuse is blown, check the primary, the secondary, and the monitor switches, H.V.D. and H.V.C. before replacing the fuse. If the fuse is blown by improper switch operation replace the defective switch and the fuse at the same time.
- Page 21 COMPONENTS TEST PROCEDURE RESULTS Ω FAN MOTOR Measure the resistance. Normal: 00~500 Abnormal: ∞ or several Ω (Wire leads removed) (Ohm-meter scale: R x 100) Normal: Approx.100~200K Ω Measure the resistance. TURNTABLE Abnormal: ∞ or several Ω (Ohm-meter scale: R x 1000) MOTOR (Wire leads removed) NOTE : •...
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Page 22: Trouble Shooting
TROUBLE SHOOTING WHEN YOU GET A COMPLAINT FROM YOUR CUSTOMER, EVALUATE THE COMPLAINT CAREFULLY. IF THE FOLLOWING SYMPTOMS APPLY, PLEASE INSTRUCT THE CUSTOMER IN THE PROPER USE OF THE MICROWAVE OVEN. THIS CAN ELIMINATE AN UNNECESSARY SERVICE CALL. CAUTIONS 1. Check grounding before checking for trouble. 2. - Page 23 (TROUBLE 1) Oven lamp does not turn on when the timer knob is rotated with door closed. CONDITION CHECK RESULT CAUSE REMEDY Replace fuse, Malfunction of the Check continuity 1. Fuse blows. Continuity. primary, monitor, monitor switch. of monitor and secondary switch (with switches.
- Page 24 (TROUBLE 2)Oven does not start even though the timer is set. CONDITION CHECK RESULT CAUSE REMEDY 1.Oven does not Check the No continuity. Adjust or replace. Malfunction of the operate. continuity of the primary switch. primary switch with door closed. Check the continuity of the Malfunction of the...
- Page 25 (TROUBLE 3) Oven does not cook at all even though turntable rotates. CONDITION CHECK RESULT CAUSE REMEDY Replace the power Malfunction of the Check the timer No microwave No continuity. power control control switch. switch of timer oscillation. switch. motor.(cooking state) Continuity.
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Page 26: Exploded View
EXPLODED VIEW INTRODUCTION OVEN CAVITY PARTS INTERIOR PARTS BASE PLATE PARTS DOOR PARTS CONTROL PANEL PARTS LATCH BOARD PARTS... - Page 27 DOOR PARTS...
- Page 28 CONTROL PANEL PARTS...
- Page 29 OVEN CAVITY PARTS...
- Page 30 LATCH BOARD PARTS...
- Page 31 INTERIOR PARTS...
- Page 32 BASE PLATE PARTS...
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Page 33: Replacement Parts List
REPLACEMENT 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 34 REPLACEMENT PARTS LIST For Model: NN-SM33HMYTE Safety Ref.No. Midea part No. Part Name&Description Pcs/Set Remarks △ 17470000000809 MAGNETRON △ 17470000003484 H.V.TRANSFORMER △ 17470000000694 H.V. CAPACITOR △ 17470000001006 DIODE, SI △ 17170000004608 NOISE FILTER △ 17470000001541 FUSE 17470000000636 LAMP UNIT △ 17470000000182 AC CORD W/PLUG △...