1. 1 induction cooker 1 heating principle and characteristics
1. 1. 1 heating principle 1
1. 1.2 characteristics of induction cooker 3
1.2 common sense of using induction cooker 4
Chapter II Introduction of Electronic Components of Induction Cooker 6
2. 1 power switch tube -IGBT 6
2. Introduction to1.1IGBT 6
2. 1.2 IGBT quality inspection 7
2. Approximate judgment of amplification ability of1.3 IGBT 8
2. Common models of1.4 IGBT and their meanings 8
2. 1.5 IGBT substitution principle 9
2.2 Rectifier-Bridge Rectifier 10
2.3 Common integrated circuits in induction cookers 1 1
2.3. 1 four-voltage comparator-lm33912
2.3.2 dual voltage comparator-lm39313
2.3.3 Four operational amplifiers-LM 32413
2.3.4 dual operational amplifier-lm35814
2.3.5 driver IC-TA83 16 14
2.3.6 shift register -hef 164 16
2.3.7 switching power supply integrated circuits -viper 12a, FSD200, THX20 1, THX202H 17.
2.3.8 Three-terminal adjustable reference voltage stabilizing integrated circuit-TL 43122
Three-terminal regulated power regulator -78L0523
2.4 capacitor 23
2.4. 1 anti-interference filter capacitor 23
2.4.2 High frequency resonant capacitor 25
2.5 rheostat 25
2.6 temperature sensor -NTC thermistor 27
2.7 cooling fan 28
2.8 the brain of induction cooker-MCU 29
2.9 Patch Component 30
2.9. Naming method and model meaning of1chip capacitor 30
2.9.2 Naming method and model meaning of patch resistor 3 1
2.9.3 Naming method and model meaning of SMD transistor 32
2. 10 ceramic panel 32
2. 1 1 heating coil plate 33
Chapter 3 Detailed explanation of the circuit principle of each unit of induction cooker 35
3. 1 DC 300V rectifier circuit (i.e. main power supply circuit) 35
3.2 Low-voltage DC power supply circuit 36
3.3 Overvoltage/Undervoltage Protection Circuit 4 1
3.3. 1 overvoltage/undervoltage protection circuit form of commercial power supply 4 1
300 volt DC voltage protection circuit 44
3.3.3 IGBT collector overvoltage protection circuit 46
3.4 Synchronization Circuit 47
3.5 Potentiometer Detection Circuit 50
3.6 Over-temperature protection circuit 54
3.7 Overcurrent Protection Circuit 56
3.8 The driving voltage (VD) of IGBT forms a circuit 58.
3.9 Delay Start Circuit 59
3. 10 Fan Motor Operation Drive and Detection Circuit 60
Chapter 4 Part of the working principle of mainstream brand induction cooker circuit 63
4. 1 Shang 63 Part Model Overall Working Principle of Induction Cooker
4. 1. 1 Shang SR- 1607C Working principle of full induction cooker 64
4. 1.2 Working principle of MI-K 19D induction cooker in Ying Da.
4. 1.3 Working principle of SR-CH2008W induction cooker 9 1
4. 1.4 quotient SR-CH2008W (new) working principle of induction cooker 103
4.2 The working principle of some Supor induction cookers is 1 16.
4.2. 1 Supor c 19s 0 1- A working principle of the integrated induction cooker 1 17.
4.2.2 The working principle of Supor C2 1A0 1 induction cooker is 127.
4.3 The overall working principle of Midea 138 part model induction cooker
4.3. 1 Midea SF 183 Working principle of integral induction cooker 139
4.3.2 The working principle of Midea's MC-EF 192H induction cooker is 148.
4.4 Working principle of Jiuyang induction cooker 160 part model.
4.4. 1 Jiuyang JYCP- 19T induction cooker 160 Working principle of main circuit board
4.4.2 The working principle of Jiuyang JYC- 19 high-power induction cooker is 170.
4.5 Working principle of induction cooker 176 universal circuit board
Chapter V Main Points of Troubleshooting Methods for Induction Cooker 182
5. 1 Matters needing attention in maintenance of induction cooker 182
5.2 Maintenance steps of induction cooker 183
5.3 Drawing method of schematic diagram of induction cooker 185 circuit
5.4 Essentials of maintenance methods for induction cookers 185
Chapter VI Maintenance Example of Induction Cooker 188
Appendix A Common English and Abbreviations of Induction Cooker 2 1 1
Appendix B Part 2 14 Meaning of Induction Cooker Fault Code
The meaning of 1. kelon KC 18-S0 1 fault code 2 14.
2. The meaning of failure code 2 14 of induction cooker.
3. The meaning of Wanhe induction cooker fault code 2 14
4. The meaning of the beautiful electromagnetic oven SF164/174/184/194/204/2 14 fault code 214.
5. The meaning of Kangbao induction cooker fault code 2 15
The meaning of 6.6. TCL induction cooker fault code 2 15
7. The meaning of Gree induction cooker 2 15 fault code
8. The meaning of Dongling induction cooker fault code 2 15
9. Meaning of 2 15 fault code of Galanz induction cooker
10. The meaning and troubleshooting methods of Fujitsu induction cooker fault code 2 16
1 1. The meaning of the fault code of Mrs. Zheng's induction cooker 2 16.
12. meaning of failure code of Sakata 20LS8 series induction cooker 2 17.
13. Meaning of Galanz C20-H8B fault code 2 17
14. Meaning of failure code of Jiuyang induction cooker 2 17
15. Meaning of failure code of Nippon Induction Cooker 2 17
16. The code meaning displayed on the automatic protection error screen of Midland induction cooker is 2 18.
17. The meaning of failure code displayed by digital tube of Aucma induction cooker and its elimination method 2 18
18. Jiuyang JYC- 18B Induction Cooker 2 18 Fault Code Meaning
19. Supor induction cooker 2 18 Meaning of common fault codes
20. The meaning of 2 19 fault code of triangular induction cooker.
2 1. Midea EP 18 1, EP20 1 induction cooker 2 19. Meaning of fault codes.
22. The meaning of Futian induction cooker fault code 2 19
23. The meaning of 2 19 fault code of Pentium induction cooker
24. The meaning of yarraa induction cooker fault code 220
25. The meaning of yuelong induction cooker fault code 220
26. The meaning of leisure induction cooker fault code 220
27. The meaning of the failure code 220 of Ducor induction cooker.
28. The fault code of some induction cookers in Skyworth (C20ATV, C 18ATT, C 18ATL, CA19/6 E, CA 1926E) means 22 1.
29. The meaning of the fault code 22 1 for the universal board of the wonderful science and technology induction cooker.
30. The meaning of Dexin induction cooker fault code 22 1
Appendix C Comparison Table of Types and Parameters of Frequently Used Regulator Diodes for Induction Cooker 222
Appendix D Comparison Table of Model Parameters of Common SMD Transistors for Induction Cooker 224
Appendix E Circuit diagram of induction cooker motherboard 227
Circuit schematic diagram of Sr-1 607c induction cooker 228 on1.
2. schematic diagram of Tang Peng MI-K 19D induction cooker 230.
3. Circuit schematic diagram of Shang SR-CH2008W induction cooker 232
4. Circuit schematic diagram of Shang SR-CH2008W induction cooker (new model) 234.
5. Schematic diagram of main board circuit of induction cooker universal board 236
6. Supor C2 1A0 1 Schematic diagram of main circuit of induction cooker 237
7. Circuit schematic diagram of Supor c 19s 0 1- 238 main board of induction cooker
8. Supor C2 1S07 Schematic diagram of main board circuit of induction cooker 239
9. Schematic diagram of main board circuit of Midea SF 183 induction cooker 240
10. Midea's MC-EF 192H circuit schematic diagram of the main board of the induction cooker 24 1.
1 1. greegc-16t main board circuit schematic diagram of induction cooker 242
12. Schematic diagram of main board circuit of Gree GL-SC20 induction cooker 243
13. Circuit schematic diagram of Malata MC- 1922 main board of induction cooker 244
14. Circuit schematic diagram of Malata MC- 190Y main board of induction cooker 245
15.JYC-2 1 schematic diagram of main circuit of induction cooker 246
16. Schematic diagram of Jiuyang JYC- 19 power motherboard circuit 247
17. Schematic diagram of the motherboard circuit 248 of Jiuyang JYCP- 19T induction cooker.
18. Schematic diagram of main board circuit of Fujitsu IH-P205C induction cooker 249
19. Schematic diagram of Fujitsu P260 induction cooker 250 motherboard circuit.
20. Schematic diagram of main board circuit of Dexin TS-389A induction cooker 25 1
2 1. Schematic circuit diagram of 252 main board of Dexin TS-588 induction cooker
22. Schematic diagram of the motherboard circuit of hemispherical HSN 18B induction cooker 253
23. Schematic diagram of the motherboard circuit of hemispherical CL- 180D induction cooker 254
24. Circuit schematic diagram of 255 motherboard of TCL TC16FA induction cooker
25. Circuit schematic diagram of TCL TC19g induction cooker motherboard 256
26. Schematic diagram of motherboard circuit of Pentium PC 19N-C induction cooker 257
27. schematic circuit diagram of 258 main board of Aiting DCL-2000AD induction cooker
28. Schematic diagram of Panda PJD- 18 induction cooker motherboard circuit 259
29. Skyworth C 18BTT induction cooker motherboard circuit schematic diagram 260
30. Schematic diagram of Emmett CE20 15 induction cooker motherboard circuit 26 1
3 1. Triangle RC- 16A Circuit Schematic Diagram of Main Board of Induction Cooker 262
32. Warburg C20 induction cooker circuit schematic diagram 263
33. Le Bang LBC-20CH2/EH 1 schematic diagram of the main circuit of induction cooker 265
34. Schematic diagram of Wan Jiale MC 18A induction cooker motherboard circuit 266.
35. Circuit schematic diagram of Rong Sheng CR- 16B induction cooker 267 motherboard.
36. The Great Wall IH- 18 schematic diagram of the main circuit of induction cooker 268
37. geek C20A2-8 induction cooker motherboard circuit schematic diagram 269
38. Schematic diagram of the motherboard circuit of Haotai C 16A induction cooker 270
39. Circuit schematic diagram of Centennial Red CF- 18D induction cooker 27 1 motherboard
40. Australian kangaroo UC 18 induction cooker motherboard circuit schematic diagram 272
4 1. Easy Kitchen C 16A Circuit Schematic Diagram of Main Board of Induction Cooker 273
42. Shangpeng DZ-200X induction cooker motherboard circuit schematic diagram 274
43. Circuit schematic diagram of Walton WP 180B induction cooker motherboard 275
44. Schematic diagram of main board circuit of Xigui C- 16 induction cooker 276
45. Shuaikang (STUIO)ZM- 18-S0 1 induction cooker 277 motherboard circuit schematic diagram.