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Panasonic TX-LR42U20, Service Manual

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Panasonic TX-LR42U20 Service Manual Download Page 2

TX-LR42U20

2

7.6. G Board & CI Slot Assembly -------------------------- 19
7.7. Speaker Preparation & Installation------------------- 20
7.8. LCD Panel fixing & handling method---------------- 21
7.9. LED Panel Installation ---------------------------------- 22

7.10. Felt Sticking at LVDS Wire ----------------------------- 23

7.11. LCD Bracket and MTG Installation ------------------ 24

7.12. Pedestal Assembly 1 ------------------------------------ 25
7.13. Pedestal Assembly 2 ------------------------------------ 26
7.14. Rear cover ------------------------------------------------- 26

8 Measurements and Adjustments

--------------------------

27

8.1. Voltage chart of A-board-------------------------------- 27
8.2. Voltage chart of P-board-------------------------------- 27

9 Block Diagram

---------------------------------------------------

28

9.1. Main Block Diagram ------------------------------------- 28

10 Wiring Connection Diagram

---------------------------------

29

11 Schematic Diagram

---------------------------------------------

30

11.1. Schematic Diagram Notes ----------------------------- 30
11.2. A Board ----------------------------------------------------- 31

11.2.1. A Board - Sheet : 002 (1 / 7)---------------------- 31
11.2.2. A Board - Sheet : 002 (2 / 7)---------------------- 32
11.2.3. A Board - Sheet : 002 (3 / 7)---------------------- 33
11.2.4. A Board - Sheet : 002 (4 / 7)---------------------- 34
11.2.5. A Board - Sheet : 002 (5 / 7)---------------------- 35
11.2.6. A Board - Sheet : 002 (6 / 7)---------------------- 36
11.2.7. A Board - Sheet : 002 (7 / 7)---------------------- 37
11.2.8. A Board - Sheet : 010 (1 / 4)---------------------- 38
11.2.9. A Board - Sheet : 010 (2 / 4)---------------------- 39

11.2.10. A Board - Sheet : 010 (3 / 4)---------------------- 40

11.2.11. A Board - Sheet : 010 (4 / 4)---------------------- 41

11.2.12. A Board - Sheet : 011 (1 / 4)---------------------- 42
11.2.13. A Board - Sheet : 011 (2 / 4)---------------------- 43
11.2.14. A Board - Sheet : 011 (3 / 4)---------------------- 44
11.2.15. A Board - Sheet : 011 (4 / 4)---------------------- 45
11.2.16. A Board - Sheet : 012 (1 / 5)---------------------- 46
11.2.17. A Board - Sheet : 012 (2 / 5)---------------------- 47
11.2.18. A Board - Sheet : 012 (3 / 5)---------------------- 48
11.2.19. A Board - Sheet : 012 (4 / 5)---------------------- 49
11.2.20. A Board - Sheet : 012 (5 / 5)---------------------- 50
11.2.21. A Board - Sheet : 020 (1 / 6)---------------------- 51
11.2.22. A Board - Sheet : 020 (2 / 6)---------------------- 52
11.2.23. A Board - Sheet : 020 (3 / 6)---------------------- 53
11.2.24. A Board - Sheet : 020 (4 / 6)---------------------- 54
11.2.25. A Board - Sheet : 020 (5 / 6)---------------------- 55
11.2.26. A Board - Sheet : 020 (6 / 6)---------------------- 56
11.2.27. A Board - Sheet : 031 (1 / 5)---------------------- 57
11.2.28. A Board - Sheet : 031 (2 / 5)---------------------- 58
11.2.29. A Board - Sheet : 031 (3 / 5)---------------------- 59
11.2.30. A Board - Sheet : 031 (4 / 5)---------------------- 60
11.2.31. A Board - Sheet : 031 (5 / 5)---------------------- 61
11.2.32. A Board - Sheet : 033 (1 / 3)---------------------- 62
11.2.33. A Board - Sheet : 033 (2 / 3)---------------------- 63
11.2.34. A Board - Sheet : 033 (3 / 3)---------------------- 64
11.2.35. A Board - Sheet : 040 (1 / 7)---------------------- 65
11.2.36. A Board - Sheet : 040 (2 / 7)---------------------- 66
11.2.37. A Board - Sheet : 040 (3 / 7)---------------------- 67
11.2.38. A Board - Sheet : 040 (4 / 7)---------------------- 68
11.2.39. A Board - Sheet : 040 (5 / 7)---------------------- 69
11.2.40. A Board - Sheet : 040 (6 / 7)---------------------- 70
11.2.41. A Board - Sheet : 040 (7 / 7)---------------------- 71
11.2.42. A Board - Sheet : 050 (1 / 4)---------------------- 72
11.2.43. A Board - Sheet : 050 (2 / 4)---------------------- 73

11.2.44. A Board - Sheet : 050 (3 / 4) --------------------- 74
11.2.45. A Board - Sheet : 050 (4 / 4) --------------------- 75
11.2.46. A Board - Sheet : 060 (1 / 5) --------------------- 76
11.2.47. A Board - Sheet : 060 (2 / 5) --------------------- 77
11.2.48. A Board - Sheet : 060 (3 / 5) --------------------- 78
11.2.49. A Board - Sheet : 060 (4 / 5) --------------------- 79
11.2.50. A Board - Sheet : 060 (5 / 5) --------------------- 80
11.2.51. A Board - Sheet : 061 (1 / 2) --------------------- 81
11.2.52. A Board - Sheet : 061 (2 / 2) --------------------- 82
11.2.53. A Board - Sheet : 090 (1 / 5) --------------------- 83
11.2.54. A Board - Sheet : 090 (2 / 5) --------------------- 84
11.2.55. A Board - Sheet : 090 (3 / 5) --------------------- 85
11.2.56. A Board - Sheet : 090 (4 / 5) --------------------- 86
11.2.57. A Board - Sheet : 090 (5 / 5) --------------------- 87
11.2.58. A Board - Sheet : 200 (1 / 3) --------------------- 88
11.2.59. A Board - Sheet : 200 (2 / 3) --------------------- 89
11.2.60. A Board - Sheet : 200 (3 / 3) --------------------- 90
11.2.61. A Board - Sheet : 201 (1 / 3) --------------------- 91
11.2.62. A Board - Sheet : 201 (2 / 3) --------------------- 92
11.2.63. A Board - Sheet : 201 (3 / 3) --------------------- 93
11.2.64. A Board - Sheet : 300 (1 / 6) --------------------- 94
11.2.65. A Board - Sheet : 300 (2 / 6) --------------------- 95
11.2.66. A Board - Sheet : 300 (3 / 6) --------------------- 96
11.2.67. A Board - Sheet : 300 (4 / 6) --------------------- 97
11.2.68. A Board - Sheet : 300 (5 / 6) --------------------- 98
11.2.69. A Board - Sheet : 300 (6 / 6) --------------------- 99
11.2.70. A Board - Sheet : 700 (1 / 3) --------------------100
11.2.71. A Board - Sheet : 700 (2 / 3) --------------------101
11.2.72. A Board - Sheet : 700 (3 / 3) --------------------102
11.2.73. A Board - Sheet : 701 (1 / 2) --------------------103
11.2.74. A Board - Sheet : 701 (2 / 2) --------------------104
11.2.75. A Board - Sheet : 702 (1 / 2) --------------------105
11.2.76. A Board - Sheet : 702 (1 / 2) --------------------106

11.3. G Board ---------------------------------------------------107

11.3.1. G Board (1 / 1)--------------------------------------107

11.4. K Board----------------------------------------------------108

11.4.1. K Board (1 / 2) --------------------------------------108
11.4.2. K Board (2 / 2) --------------------------------------109

11.5. P Board---------------------------------------------------- 110

11.5.1. P Board (1 / 3) -------------------------------------- 110
11.5.2. P Board (2 / 3) -------------------------------------- 111
11.5.3. P Board (3 / 3) -------------------------------------- 112

11.6. V Board---------------------------------------------------- 113

11.6.1. V Board (1 / 3) -------------------------------------- 113
11.6.2. V Board (2 / 3) -------------------------------------- 114
11.6.3. V Board (3 / 3) -------------------------------------- 115

12 Printed Circuit Board

-----------------------------------------

116

12.1. A-Board --------------------------------------------------- 116
12.2. A-Board --------------------------------------------------- 117
12.3. G-Board --------------------------------------------------- 118
12.4. G-Board --------------------------------------------------- 118
12.5. K-Board --------------------------------------------------- 119
12.6. K-Board --------------------------------------------------- 119
12.7. V-Board---------------------------------------------------- 119
12.8. V-Board---------------------------------------------------- 119
12.9. P-Board ---------------------------------------------------120

12.10. P-Board ---------------------------------------------------121

13 Exploded View and Replacement Parts List

----------

122

13.1. Exploded View and Mechanical Replacement

Parts List --------------------------------------------------122

13.2. Electrical Replacement Parts List ------------------122

Summary of Contents for TX-LR42U20

Page 1: ...Mode 9 5 1 How to enter into Service Mode 9 5 1 1 Contents of adjustment mode 9 5 1 2 How to exit 9 5 2 SRV TOOL 10 5 2 1 How to access 10 5 2 2 Display of SOS History 10 5 2 3 POWER ON TIME COUNT 10 5 2 4 Exit 10 5 3 Service Mode Adjustment 11 5 3 1 Self Check Mode 11 5 3 2 Hotel Mode Adjustment 11 5 3 3 Hotel Mode 11 6 Troubleshooting Guide 12 6 1 Check of the IIC bus lines 12 6 1 1 How to acces...

Page 2: ...Board Sheet 040 3 7 67 11 2 38 A Board Sheet 040 4 7 68 11 2 39 A Board Sheet 040 5 7 69 11 2 40 A Board Sheet 040 6 7 70 11 2 41 A Board Sheet 040 7 7 71 11 2 42 A Board Sheet 050 1 4 72 11 2 43 A Board Sheet 050 2 4 73 11 2 44 A Board Sheet 050 3 4 74 11 2 45 A Board Sheet 050 4 4 75 11 2 46 A Board Sheet 060 1 5 76 11 2 47 A Board Sheet 060 2 5 77 11 2 48 A Board Sheet 060 3 5 78 11 2 49 A Boar...

Page 3: ...TX LR42U20 3 13 2 1 Replacement Parts List Notes 122 13 2 2 Electrical Replacement Parts List 123 ...

Page 4: ... between the jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be 100 Mohm and over When the exposed metal does not have a return path to the chassis the reading must be 1 1 2 Leakage Current Hot Check See Figure 1 1 Plug the AC cord directly in...

Page 5: ...posure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not re...

Page 6: ... Pb free solder has a higher melting point than standard solder Typically the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron and set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F or 600 C If you must use Pb solder please completely remove all of the Pb free solder on the pins or solder area before applying Pb sold...

Page 7: ...TX LR42U20 7 3 Service Navigation 3 1 Service Hint Board Main Device A BOARD AVSW TUN OFDM ADV P AVC GENX EEP TEMP P BOARD Power Supply V BOARD Remote LED Luminunce Sensor K BOARD KEY Power SW ...

Page 8: ...G2 and MPEG4 AVC H 264 Check the latest information on the available services at the following website English only http panasonic jp support global cs tv Aerial Rear VHF UHF Operating Conditions Temperature 0 C 35 C Humidity 20 80 RH non condensing Connection Terminals AV1 Input AUDIO L R RCA PIN Type 2 0 5 V rms VIDEO RCA PIN Type 1 1 0 V p p 75 Ω COMPONENT Y 1 0 V p p including synchronization ...

Page 9: ...ing the adjustment mode take note of the value in each item before starting adjustment 5 1 2 How to exit Switch off the power with the POWER button on the main unit or the POWER button on the remote control Main item Sub item Sample Data Remark ADJUST CONTRAST 000 COLOR 4C TINT 00 SUB BRT 808 BACKLGT 22E B Y G 34 R Y A 00 WB ADJ R GAIN F7 G GAIN FB B GAIN DB R CENT 82 G CENT 80 B CENT 86 OPTION Bo...

Page 10: ... after shipment This indication except 2nd and 1st occurrence after shipment will be cleared by Self check indication and forced to factory shipment setting 5 2 3 POWER ON TIME COUNT Note To display TIME COUNT menu highlight position then press MUTE for 3sec Time Cumulative power on time indicated hour minute by decimal Count Number of ON times by decimal Note This indication will not be cleared b...

Page 11: ...l mode setup menu is displayed Item Function Hotel Mode Select hotel mode ON OFF Initial INPUT Select input signal modes Set the input when each time power is switched on Selection OFF Analogue TV Digital TV AV1 AV2 AV3 PC HDMI1 HDMI2 HDMI3 Off give priority to a last memory Selectable input is depend on the model Initial POS Select programme number Selection Off 0 to 100 Off give priority to a la...

Page 12: ...d while pressing VOLUME button on the main unit press OK button on the remote control for more than 3 seconds Self check indication and forced to factory shipment setting Produce TV reception screen and while pressing VOLUME button on the main unit press MENU button on the remote control for more than 3 seconds 6 1 2 Exit Disconnect the AC cord from wall outlet 6 1 3 Screen display 6 1 4 Check Poi...

Page 13: ... the Power LED on the front panel of the unit as follow 6 3 No Power First check point There are following 2 states of No Power indication by power LED 1 No lit 2 Red is lit then turns red blinking a few seconds later See 6 2 Blinking times Contents BOARD 1 Inverter_SOS P BOARD 2 FAN_SOS A BOARD 3 SOS A BOARD 4 DTV_9V P A BOARD 5 MAIN_9V A BOARD 6 SUB_5V A BOARD 7 SUB_3 3V A BOARD 8 MAIN_3 3V A BO...

Page 14: ...TX LR42U20 14 7 Disassembly and Assembly Instructions 7 1 AC Cord Dressing 1 1 Clamp plug with clamper 2 Insert beads 3 pcs And slide down to lower hole ...

Page 15: ...TX LR42U20 15 7 2 AC Cord Dressing 2 1 Clamp plug with clamper 2 Insert beads 3 pcs And slide down to lower hole 3 Stick the FILAMENT TAPE ...

Page 16: ...t on the AC CORD BRACKET on the CABINET 2 Fix the AC CORD BRACKET with SCREW 3 Insert AC CORD connector into P PCB connector 4 Clamp the AC CORD 5 Insert AC CORD bushing into the AC CORD BRACKET 6 AC CORD is pushed into the bottom of the bracket ...

Page 17: ...TX LR42U20 17 7 4 Control Panel Assembly Clamper Installation 1 Put control panel Assy on the cabinet 2 Fix the control panel with screws Fix clamper at bottom mtg ...

Page 18: ...2U20 18 7 5 Side AV Preparation Installation 1 Stick the side av indi Sheet and felt on the side av bracket 2 Insert the SIDE AV BRACKET from the side position of the A PCB 3 Fix the SCREW with A PB MTG METAL ...

Page 19: ...TX LR42U20 19 7 6 G Board CI Slot Assembly Insert G board to Side AV bracket and stick CI slot cover follow below spec ...

Page 20: ...7 7 Speaker Preparation Installation 1 Stick the SP sponge 2 SP bracket put on cabinet 3 Fix them with screws 4 Insert the SP rubber bush into the SP unit 5 Stick sponge at speaker 6 Insert the SP unit to SP bracket ...

Page 21: ...s may cause sratches on the surface 3 Take care not to subject the TV s surface to water or detergent Any liquid including pets urine if enters the product could lead to TV failure 4 Take care not to subject the surface to insect repellent solvent thiner or other voiltile substances This may degrade surface quality or cause peeling of the paint 5 The surface of the display panel is specially treat...

Page 22: ...TX LR42U20 22 7 9 LED Panel Installation 1 Put LED SHADE RIB on CABINET 2 Fix LED PANEL on CABINET 3 Wire connecting V10 4 Put V PCB on CABINET 5 Fix them with SCREW 6 Insert the CLAMPER ...

Page 23: ...veter 2 Insert CN201 P3 wire to inveter and stick felt 3 Stick felt LCD panel Bottom left side 4 Fix Top mtg and Bottom Mtg 5 Fix Chassis frame bracket at Top Mtg and Bottom Mtg 6 Insert LVDS wire to inveter and stick 2 felt 7 Stick left at chassis frame to avoid sharp edge ...

Page 24: ...2U20 24 7 11 LCD Bracket and MTG Installation 1 Fix MASK BRACKET SIDE TOP BTM on the cabinet 2 Fix Vertical Metal Bracket Metal Support Bracket R 3 Fix them with SCREW 4 Fix Clamper at Vertical Metal Bracket ...

Page 25: ...acer at pedestal cover 2 Stick felt at front base plate 3 Fix base plate at stand mtg and pedestal cover and screw 4 Stick rubber foot at rotation plate 5 Apply grease at rotation plate and bush pede 6 Fix rotation plate and bush pede at base plate and screw ...

Page 26: ...o polybag and fold properly 7 13 Pedestal Assembly 2 1 Lay down the unit so that the rear cover faces upward 2 Remove the 4 screws 3 Remove the pedestal 7 14 Rear cover 1 Remove the 15 screws A 2 Remove the 2 screws B 3 Remove the rear cover ...

Page 27: ...ith the specified voltage as following table Power Supply Name Measurement Point Specification V SUB1 8V TP5601 1 74 1 90 SUB1 2V TP5600 1 18 1 32 SUB3 3V TP5602 3 19 3 46 SUB5V TP5200 4 9 5 1 SUB9V TP5220 8 82 9 18 STB5V TP5400 4 9 5 1 Power Supply Name Measurement Point Normal Condition Stby Condition V P24V TP7503 24 1 2 V NO CARE 17V TP7502 18 2 V NO CARE DTV12V TP7501 12 0 6 V NO CARE TUNER6V...

Page 28: ...STB 3 3V 12V SUB 3 3V SENSE AUDIO PANEL EEPROM AUDIO PROCESSOR SUB_ON TS Parallel SD CARD DATA OPERATION BUTTON VOLTAGE K BOARD HDMI2 A02 EEPROM K01 NAND FLASH DVDD2 5V ON HDMI1 LIVE 5 8VS INV_PWM TMDS DATA POWER LED INV_PWM INV_SOS SUB1 8V SPEAKER R A Chip AV2 CPU BUS I F D Chip CONTROL DCDC NEUTRAL 17V SOS DET A BOARD PANEL OPTICAL OUT SUB_ON SOS DET AV SW AVDD13 7V PC MONITOR L R POWER LED P BO...

Page 29: ...or by ion blow 4 Remove dust of terminal of FFC and PB connector by ion blow Pos XH2 A88 5 Insert FFC into XH2 and A88 6 Insert tunner connector into cable connector TU6701 TU2901 Wire Clamper 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 No 1 A10 V10 No 2 A10 K01 No 3 A12 SP R No 4 A12 SP L No 5 INV CN 201 P3 No 6 A3 A09 No 7 Tuner wire USE FOR KX L42U20H ONLY ...

Page 30: ...TX LR42U20 30 11 Schematic Diagram 11 1 Schematic Diagram Notes ...

Page 31: ...TX LR42U20 31 11 2 A Board 11 2 1 A Board Sheet 002 1 7 1A 2A 3A ...

Page 32: ...TX LR42U20 32 11 2 2 A Board Sheet 002 2 7 1B 2B 4B 3B 1A 2A 3A ...

Page 33: ...TX LR42U20 33 11 2 3 A Board Sheet 002 3 7 1C 2C 4C 3C 1B 2B 4B 3B ...

Page 34: ...TX LR42U20 34 11 2 4 A Board Sheet 002 4 7 1D 2D 3D 1C 2C 4C 3C ...

Page 35: ...TX LR42U20 35 11 2 5 A Board Sheet 002 5 7 1E 2E 1D 2D 3D ...

Page 36: ...TX LR42U20 36 11 2 6 A Board Sheet 002 6 7 1F 2F 1E 2E ...

Page 37: ...TX LR42U20 37 11 2 7 A Board Sheet 002 7 7 1F 2F ...

Page 38: ...TX LR42U20 38 11 2 8 A Board Sheet 010 1 4 1A 2A 3A 4A ...

Page 39: ...TX LR42U20 39 11 2 9 A Board Sheet 010 2 4 1B 2B 3B 4B 5B 1A 2A 3A 4A ...

Page 40: ...TX LR42U20 40 11 2 10 A Board Sheet 010 3 4 1C 2C 3C 4C 5C 1B 2B 3B 4B 5B ...

Page 41: ...TX LR42U20 41 11 2 11 A Board Sheet 010 4 4 1C 2C 3C 4C 5C ...

Page 42: ...TX LR42U20 42 11 2 12 A Board Sheet 011 1 4 1A 2A ...

Page 43: ...TX LR42U20 43 11 2 13 A Board Sheet 011 2 4 3B 1B 2B 1A 2A ...

Page 44: ...TX LR42U20 44 11 2 14 A Board Sheet 011 3 4 3B 1B 2B 1C 3C 2C ...

Page 45: ...TX LR42U20 45 11 2 15 A Board Sheet 011 4 4 1C 3C 2C ...

Page 46: ...TX LR42U20 46 11 2 16 A Board Sheet 012 1 5 1A 2A ...

Page 47: ...TX LR42U20 47 11 2 17 A Board Sheet 012 2 5 1B 2B 1A 2A ...

Page 48: ...TX LR42U20 48 11 2 18 A Board Sheet 012 3 5 1C 2C 1B 2B ...

Page 49: ...TX LR42U20 49 11 2 19 A Board Sheet 012 4 5 1C 2C 1D 2D ...

Page 50: ...TX LR42U20 50 11 2 20 A Board Sheet 012 5 5 1D 2D ...

Page 51: ...TX LR42U20 51 11 2 21 A Board Sheet 020 1 6 1A 2A 3A ...

Page 52: ...TX LR42U20 52 11 2 22 A Board Sheet 020 2 6 1B 2B 3B 4B 1A 2A 3A ...

Page 53: ...TX LR42U20 53 11 2 23 A Board Sheet 020 3 6 1C 2C 1B 2B 3B 4B ...

Page 54: ...TX LR42U20 54 11 2 24 A Board Sheet 020 4 6 1D 2D 3D 4D 1C 2C ...

Page 55: ...TX LR42U20 55 11 2 25 A Board Sheet 020 5 6 1E 2E 3E 1D 2D 3D 4D ...

Page 56: ...TX LR42U20 56 11 2 26 A Board Sheet 020 6 6 1E 2E 3E ...

Page 57: ...TX LR42U20 57 11 2 27 A Board Sheet 031 1 5 3A 4A 1A 2A ...

Page 58: ...TX LR42U20 58 11 2 28 A Board Sheet 031 2 5 3B 4B 1B 2B 3A 4A 1A 2A ...

Page 59: ...TX LR42U20 59 11 2 29 A Board Sheet 031 3 5 2C 3C 1C 3B 4B 1B 2B ...

Page 60: ...TX LR42U20 60 11 2 30 A Board Sheet 031 4 5 2D 3D 1D 2C 3C 1C ...

Page 61: ...TX LR42U20 61 11 2 31 A Board Sheet 031 5 5 2D 3D 1D ...

Page 62: ...TX LR42U20 62 11 2 32 A Board Sheet 033 1 3 3A 1A 2A ...

Page 63: ...TX LR42U20 63 11 2 33 A Board Sheet 033 2 3 1B 2B 3B 3A 1A 2A ...

Page 64: ...TX LR42U20 64 11 2 34 A Board Sheet 033 3 3 1B 2B 3B ...

Page 65: ...TX LR42U20 65 11 2 35 A Board Sheet 040 1 7 4A 1A 2A 3A ...

Page 66: ...TX LR42U20 66 11 2 36 A Board Sheet 040 2 7 5B 1B 2B 3B 4B 4A 1A 2A 3A ...

Page 67: ...TX LR42U20 67 11 2 37 A Board Sheet 040 3 7 1C 2C 3C 5B 1B 2B 3B 4B ...

Page 68: ...TX LR42U20 68 11 2 38 A Board Sheet 040 4 7 1D 2D 3D 1C 2C 3C ...

Page 69: ...TX LR42U20 69 11 2 39 A Board Sheet 040 5 7 1E 2E 3E 1D 2D 3D ...

Page 70: ...TX LR42U20 70 11 2 40 A Board Sheet 040 6 7 1F 2F 1E 2E 3E ...

Page 71: ...TX LR42U20 71 11 2 41 A Board Sheet 040 7 7 1F 2F ...

Page 72: ...TX LR42U20 72 11 2 42 A Board Sheet 050 1 4 4A 1A 2A 3A ...

Page 73: ...TX LR42U20 73 11 2 43 A Board Sheet 050 2 4 2B 1B 4A 1A 2A 3A ...

Page 74: ...TX LR42U20 74 11 2 44 A Board Sheet 050 3 4 1C 2C 2B 1B ...

Page 75: ...TX LR42U20 75 11 2 45 A Board Sheet 050 4 4 1C 2C ...

Page 76: ...TX LR42U20 76 11 2 46 A Board Sheet 060 1 5 5A 1A 2A 3A 4A ...

Page 77: ...TX LR42U20 77 11 2 47 A Board Sheet 060 2 5 1B 2B 5A 1A 2A 3A 4A ...

Page 78: ...TX LR42U20 78 11 2 48 A Board Sheet 060 3 5 1C 2C 1B 2B ...

Page 79: ...TX LR42U20 79 11 2 49 A Board Sheet 060 4 5 1D 2D 3D 1C 2C ...

Page 80: ...TX LR42U20 80 11 2 50 A Board Sheet 060 5 5 1D 2D 2D ...

Page 81: ...TX LR42U20 81 11 2 51 A Board Sheet 061 1 2 1A ...

Page 82: ...TX LR42U20 82 11 2 52 A Board Sheet 061 2 2 1A ...

Page 83: ...TX LR42U20 83 11 2 53 A Board Sheet 090 1 5 1A 2A 3A 4A ...

Page 84: ...TX LR42U20 84 11 2 54 A Board Sheet 090 2 5 1B 2B 1A 2A 3A 4A ...

Page 85: ...TX LR42U20 85 11 2 55 A Board Sheet 090 3 5 1C 2C 1B 2B ...

Page 86: ...TX LR42U20 86 11 2 56 A Board Sheet 090 4 5 1D 2D 3D 4D 1C 2C ...

Page 87: ...TX LR42U20 87 11 2 57 A Board Sheet 090 5 5 1D 2D 3D 4D ...

Page 88: ...TX LR42U20 88 11 2 58 A Board Sheet 200 1 3 1A ...

Page 89: ...TX LR42U20 89 11 2 59 A Board Sheet 200 2 3 1B 2B 3B 4B 5B 1A ...

Page 90: ...TX LR42U20 90 11 2 60 A Board Sheet 200 3 3 1B 2B 3B 4B 5B ...

Page 91: ...TX LR42U20 91 11 2 61 A Board Sheet 201 1 3 1A 2A ...

Page 92: ...TX LR42U20 92 11 2 62 A Board Sheet 201 2 3 1B 2B 1A 2A ...

Page 93: ...TX LR42U20 93 11 2 63 A Board Sheet 201 3 3 1B 2B ...

Page 94: ...TX LR42U20 94 11 2 64 A Board Sheet 300 1 6 1A 2A ...

Page 95: ...TX LR42U20 95 11 2 65 A Board Sheet 300 2 6 1B 2B 3B 1A 2A ...

Page 96: ...TX LR42U20 96 11 2 66 A Board Sheet 300 3 6 1C 2C 1B 2B 3B ...

Page 97: ...TX LR42U20 97 11 2 67 A Board Sheet 300 4 6 1D 2D 1C 2C ...

Page 98: ...TX LR42U20 98 11 2 68 A Board Sheet 300 5 6 1E 2E 3E 4E 1D 2D ...

Page 99: ...TX LR42U20 99 11 2 69 A Board Sheet 300 6 6 1E 2E 3E 4E ...

Page 100: ...TX LR42U20 100 11 2 70 A Board Sheet 700 1 3 1A 2A 3A 4A 5A ...

Page 101: ...TX LR42U20 101 11 2 71 A Board Sheet 700 2 3 1B 2B 3B 1A 2A 3A 4A 5A ...

Page 102: ...TX LR42U20 102 11 2 72 A Board Sheet 700 3 3 1B 2B 3B ...

Page 103: ...TX LR42U20 103 11 2 73 A Board Sheet 701 1 2 1A 2A ...

Page 104: ...TX LR42U20 104 11 2 74 A Board Sheet 701 2 2 1A 2A ...

Page 105: ...TX LR42U20 105 11 2 75 A Board Sheet 702 1 2 1A 2A 4A 3A ...

Page 106: ...TX LR42U20 106 11 2 76 A Board Sheet 702 1 2 1A 2A 4A 3A ...

Page 107: ...TX LR42U20 107 11 3 G Board 11 3 1 G Board 1 1 ...

Page 108: ...TX LR42U20 108 11 4 K Board 11 4 1 K Board 1 2 1A 2A 3A 4A ...

Page 109: ...TX LR42U20 109 11 4 2 K Board 2 2 1A 2A 3A 4A ...

Page 110: ...TX LR42U20 110 11 5 P Board 11 5 1 P Board 1 3 1A 3A 2A ...

Page 111: ...TX LR42U20 111 11 5 2 P Board 2 3 1B 2B 1A 3A 2A ...

Page 112: ...TX LR42U20 112 11 5 3 P Board 3 3 1B 2B ...

Page 113: ...TX LR42U20 113 11 6 V Board 11 6 1 V Board 1 3 1A 2A ...

Page 114: ...TX LR42U20 114 11 6 2 V Board 2 3 1B 2B 4B 3B 1A 2A ...

Page 115: ...TX LR42U20 115 11 6 3 V Board 3 3 1B 2B 4B 3B ...

Page 116: ...ocation Ref No Location Ref No Location IC2950 K10 IC3902 E6 IC8200 G2 IC8851 L8 IC2951 I10 IC3903 G5 IC8300 K8 IC8852 K2 IC2952 J9 IC5600 B4 IC8301 L9 IC9980 L4 IC3000 E9 IC5601 B6 IC8302 L9 IC8950 I2 IC3900 H7 IC5603 G5 IC8400 K4 D3300 D7 IC3901 G7 IC5604 G4 IC8401 G3 1 A B C D E F G H I K L M J 2 3 4 5 6 7 8 9 10 ...

Page 117: ...tion Ref No Location Ref No Location Ref No Location IC1101 H4 IC4801 A9 IC5220 B1 D3300 D4 IC2301 B4 IC4802 A8 IC5416 A2 IC3350 L4 IC4803 D6 IC8001 F7 IC3904 G4 IC4804 D10 IC8402 J7 IC3905 F4 IC5000 K6 IC8921 H9 IC4800 G10 IC5200 B2 1 A B C D E F G H I K L M J 2 3 4 5 6 7 8 9 10 ...

Page 118: ...5231 Parts Location 12 4 G Board G Board B Side TNPA5231 Ref No Location Ref No Location Ref No Location D3701 D4 D3706 C6 D3709 C10 D3702 C7 D3707 D6 D3710 C8 D3703 E7 D3708 B8 D3711 D8 1 A B C D E 2 3 4 5 6 7 8 9 10 1 A B C D E 2 3 4 5 6 7 8 9 10 ...

Page 119: ...Parts Location 12 6 K Board K Board B Side TNPA4901 12 7 V Board V Board A Side TNPA4834 12 8 V Board V Board B Side TNPA4834 Ref No Location D2600 B7 1 A B 2 3 4 5 6 7 8 9 10 1 A B 2 3 4 5 6 7 8 9 10 1 A B C 2 3 4 5 6 7 8 9 10 1 A B C 2 3 4 5 6 7 8 9 10 ...

Page 120: ...204 G9 D7312 E3 D7503 C8 IC7501 D1 D7208 E5 D7313 C4 D7504 E9 IC7601 E1 D7207 H7 D7314 D3 D7518 A8 D7209 F6 D7315 C5 D7601 E1 D7210 F3 D7323 E3 D7602 F1 D7301 D4 D7401 H5 D7603 F2 D7302 D4 D7402 G4 D7701 D1 D7303 D3 D7403 F4 D7702 J8 D7304 D4 D7404 F3 D7704 E3 D7305 C4 D7405 G5 D7705 E3 D7306 C4 D7406 G5 D7753 E3 D7307 D4 D7407 D6 D7889 B1 D7308 E4 D7408 G3 D7309 E4 D7409 E3 1 A B C D E F G H I J ...

Page 121: ... IC7301 D8 D7001 I9 D7306 C7 D7407 G5 IC7401 F7 D7002 H5 D7307 D7 D7408 G8 D7102 I2 D7314 D8 D7420 H6 D7204 G2 D7323 E8 D7501 B4 D7207 H5 D7401 H6 D7503 C3 D7208 E6 D7402 G8 D7504 D1 D7209 F6 D7403 F8 D7518 A3 D7210 E8 D7404 F8 D7601 E10 D7301 D7 D7405 G6 D7602 F10 D7302 C7 D7406 G6 D7603 F9 1 A B C D E F G H I J 2 3 4 5 6 7 8 9 10 ...

Page 122: ... and Replacement Parts List 13 1 Exploded View and Mechanical Replacement Parts List Please click the radio button for Diagrams ll Parts List on the menu bar 13 2 Electrical Replacement Parts List 13 2 1 Replacement Parts List Notes ...

Page 123: ...A126 C 10UF 16V C2780 F1H1E104A129 C 0 1UF 25V C2789 F1G1C104A116 C 0 1UF 16V C2905 F2H1A101A040 C 100UF 10V C2907 F1G1C104A116 C 0 1UF 16V C2909 F1G1C104A116 C 0 1UF 16V C2910 F1G1C104A116 C 0 1UF 16V C2911 F1G1C104A116 C 0 1UF 16V C2916 F1G1H102A730 C 1000PF 50V C2917 F1G1C104A116 C 0 1UF 16V C2950 F1J0J4750004 C 4 7UF 6 3V C2951 F1J0J4750004 C 4 7UF 6 3V C2961 F1H1A105A025 C 1UF 10V C3003 F1G1C...

Page 124: ...UF 50V C7307 F1J1H104A717 C 0 1UF 50V Safety Ref No Part No Part Name Description Remarks C7308 F1J1H474A757 C 0 47UF 50V C7309 F1J1C1050028 C 1UF 16V C7310 F1A3A471A060 C 470PF 1KV C7311 F1J1H681A834 C 680PF 50V C7312 F0C2K393A035 P 0 039UF 800V C7313 F1A2E471A003 C 470PF 250V C7315 F1A3A100A058 C 10PF 1KV C7316 F1A3A100A058 C 10PF 1KV C7317 F1A3A101A060 C 100PF 1KV C7318 F1J1H101A836 C 100PF 50V...

Page 125: ...4A116 C 0 1UF 16V C8106 F1G1C104A116 C 0 1UF 16V Safety Ref No Part No Part Name Description Remarks C8107 F1G1C104A116 C 0 1UF 16V C8108 F1G1C104A116 C 0 1UF 16V C8109 F1G1C104A116 C 0 1UF 16V C8110 F1G1C104A116 C 0 1UF 16V C8111 F1G1C104A116 C 0 1UF 16V C8112 F1G1C104A116 C 0 1UF 16V C8113 F1G1C104A116 C 0 1UF 16V C8114 F1G1C104A116 C 0 1UF 16V C8115 F1G1C104A116 C 0 1UF 16V C8116 F1G1C104A116 C...

Page 126: ...01400017 DIODE D7420 B0HAGQ000001 DIODE D7501 B0JBSL000023 DIODE D7503 B0JBSL000026 DIODE D7504 B0JBSL000026 DIODE Safety Ref No Part No Part Name Description Remarks D7518 B0JBSL000026 DIODE D7601 B0BA01000070 DIODE D7603 B0JAPK000011 DIODE D7702 B0ACCJ000051 DIODE D7704 B0ACCJ000051 DIODE D7705 B0BC8R100004 DIODE D7753 B0BC01400017 DIODE D8800 EZAEG2A50AX FILTER D8801 EZAEG2A50AX FILTER INTEGRAT...

Page 127: ...0015 TRANSISTOR Q5605 B1MBEDA00015 TRANSISTOR Q7208 B1DEGR000060 TRANSISTOR Q7209 B1DEGR000060 TRANSISTOR Q7210 B1BCCF000022 TRANSISTOR Q7301 B1CERQ000060 TRANSISTOR Q7302 B1CERQ000060 TRANSISTOR Q7303 DSC200100L TRANSISTOR Q7420 DSC2001S0L TRANSISTOR Q7421 DSC2001S0L TRANSISTOR Q7701 B1DHDC000028 TRANSISTOR Q7702 DSC200100L TRANSISTOR Q7703 B1ABGF000019 TRANSISTOR Q7704 DSC200100L TRANSISTOR Q775...

Page 128: ...1 C 0OHM J 1 10W R2785 D0GA101JA015 C 100OHM J 1 10W R2786 D0GA101JA015 C 100OHM J 1 10W Safety Ref No Part No Part Name Description Remarks R2795 D0GA101JA015 C 100OHM J 1 10W R2907 D0GAR00Z0001 C 0OHM J 1 10W R2914 ERJ2GEJ103X F 10KOHM J 1 10W R2926 D0GA680JA015 C 68OHM J 1 10W R2950 ERJ3GEYJR00 C 0OHM J 1 10W R2959 ERJ3GEYJR00 C 0OHM J 1 10W R3001 D0GAR00Z0001 C 0OHM J 1 10W R3002 D0GAR00Z0001 ...

Page 129: ...10W R4857 EXB28VR000X C 0OHM J 1 10W Safety Ref No Part No Part Name Description Remarks R4858 EXB28VR000X C 0OHM J 1 10W R4860 D0GAR00Z0001 C 0OHM J 1 10W R4871 D0GAR00Z0001 C 0OHM J 1 10W R4975 D0GAR00Z0001 C 0OHM J 1 10W R4993 ERJ2GEJ102X F 1KOHM J 1 10W R4994 ERJ2GEJ102X F 1KOHM J 1 10W R4999 D0GAR00Z0001 C 0OHM J 1 10W R5000 D0GAR00Z0001 C 0OHM J 1 10W R5001 D0GAR00Z0001 C 0OHM J 1 10W R5002 ...

Page 130: ...C 75KOHM J 1 8W Safety Ref No Part No Part Name Description Remarks R7422 D0GD753JA052 C 75KOHM J 1 8W R7423 D0GD753JA052 C 75KOHM J 1 8W R7424 D0GD753JA052 C 75KOHM J 1 8W R7425 D0GD753JA052 C 75KOHM J 1 8W R7426 D0GD183JA052 C 18KOHM J 1 8W R7427 D0GD473JA052 C 47KOHM J 1 10W R7428 D0GD100JA052 C 10OHM J 1 8W R7429 D0GD104JA052 C 100KOHM J 1 8W R7503 D0GD102JA052 C 1KOHM J 1 10W R7504 D0GD122JA0...

Page 131: ...R8462 D0GA680JA015 C 68OHM J 1 10W Safety Ref No Part No Part Name Description Remarks R8463 D0GA680JA015 C 68OHM J 1 10W R8464 D0GA680JA015 C 68OHM J 1 10W R8465 D0GA680JA015 C 68OHM J 1 10W R8466 ERJ2GEJ103X F 10KOHM J 1 10W R8467 ERJ2GEJ103X F 10KOHM J 1 10W R8468 EXB2HV680JV 68OHM J 1 10W R8469 D0GA680JA015 C 68OHM J 1 10W R8470 ERJ2GEJ103X F 10KOHM J 1 10W R8471 ERJ2GEJ103X F 10KOHM J 1 10W R...

Page 132: ...KB51B00003 CONNECTOR CF7101 D4CAY3R9A004 COIL CF7102 D4CAY3R9A004 COIL CN0100 K1KA08AA0714 CONNECTOR F7001 K5D502BNA005 FUSE F7001 1 K3GE1ZZ00001 FUSE HOLDER F7001 2 K3GE1ZZ00001 FUSE HOLDER FL4800 EXC28CE201U CHOKE COIL FL4801 EXC28CE201U CHOKE COIL FL4802 EXC28CE201U CHOKE COIL Safety Ref No Part No Part Name Description Remarks FL4804 EXC28CE201U CHOKE COIL FL4805 EXC28CE201U CHOKE COIL FL4806 ...

Page 133: ...Model No TX LR42U20 Parts Location ...

Page 134: ...Model No TX LR42U20 Packing Exploded View 1 ...

Page 135: ...Model No TX LR42U20 Packing Exploded View 2 ...

Page 136: ...N TKK4GC5010 LED PANEL TKP4GA02601A CONTROL PANEL BRACKET TKP4GA04501 SIDE AV BRACKET TKX4GA01301 LED SHADE RIB TKX4GA03201A SP BRACKET L TKX4GA03301A SP BRACKET R TMX4GX001 AC CORD BRACKET RTL TZT A10QDE A BOARD RTL TNP4G478AA P BOARD RTL TNPA4834BH V BOARD RTL TNPA4901BQ K BOARD RTL TNPA5231BA G BOARD TPD4GA0148 2 TOP CUSHION TPD4GA0149 1 BOTTOM CUSHION TPD4GA0152 1 TOP CENTER CUSHION TPD4GF0104...

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