
TH-LR37G10
3
TABLE OF CONTENTS PAGE PAGE
1 Safety Precautions----------------------------------------------- 5
1.1. General Guidelines---------------------------------------- 5
1.2. Touch-Current Check------------------------------------- 5
1.3. LH89 Chasis Block Diagram---------------------------- 6
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices------------------ 7
3 About Lead Free Solder (PbF) ------------------------------- 8
4 Power LED Blinking Timing----------------------------------- 9
5 Chassis Board----------------------------------------------------10
5.1. Chassis MTG Installation-------------------------------10
5.2. Chassis Screw Fixing------------------------------------11
6 Location of Controls and Components ------------------12
6.1. Wire Dressing ---------------------------------------------12
7 Disassembly and Assembly Instructions ---------------13
7.1. AC Cord Dressing - 1------------------------------------13
7.2. AC Cord Dressing - 2------------------------------------14
7.3. AC Cord Dressing - 3------------------------------------15
7.4. AC Cord Bracket Installation---------------------------16
7.5. VESA Metal And Bottom MTG Installation---------17
7.6. LED Panel Installation-----------------------------------18
7.7. Control Panel Assembly Installation-----------------19
7.8. Control Panel Support Installation--------------------20
7.9. Side AV Bracket Installation ---------------------------21
7.10. LCD Panel Installation-----------------------------------22
7.11. EMI Sticking - A-------------------------------------------23
7.12. EMI Sticking - B-------------------------------------------24
7.13. Sticking Sponge - A --------------------------------------25
7.14. Sticking Felt And Sponge - B --------------------------26
7.15. Sticking Felt And Sponge - C--------------------------27
7.16. Back Cover Screw----------------------------------------28
8 Service Mode Adjustment ------------------------------------29
8.1. Self Check Mode -----------------------------------------29
8.2. Hotel Mode Adjustment---------------------------------29
8.3. Hotel Mode-------------------------------------------------29
9 Measurements and Adjustments---------------------------30
9.1. Voltage Chart of A Board-------------------------------30
9.2. Voltage Chart of P Board-------------------------------30
10 Printed Circuit Board-------------------------------------------31
10.1. A-Board -----------------------------------------------------31
10.2. A-Board -----------------------------------------------------33
10.3. P-Board -----------------------------------------------------35
10.4. P-Board -----------------------------------------------------37
11 Schematic Diagram---------------------------------------------39
11.1. Schematic Diagram Notes -----------------------------39
11.2. A Board -----------------------------------------------------40
11.2.1. A Board - Sheet : 001 (1 / 9)----------------------40
11.2.2. A Board - Sheet : 001 (2 / 9)----------------------41
11.2.3. A Board - Sheet : 001 (3 / 9)----------------------42
11.2.4. A Board - Sheet : 001 (4 / 9)----------------------43
11.2.5. A Board - Sheet : 001 (5 / 9)----------------------44
11.2.6. A Board - Sheet : 001 (6 / 9)----------------------45
11.2.7. A Board - Sheet : 001 (7 / 9) ---------------------46
11.2.8. A Board - Sheet : 001 (8 / 9) ---------------------47
11.2.9. A Board - Sheet : 001 (9 / 9) ---------------------48
11.2.10. A Board - Sheet : 002 (1 / 4) ---------------------49
11.2.11. A Board - Sheet : 002 (2 / 4) ---------------------50
11.2.12. A Board - Sheet : 002 (3 / 4) ---------------------51
11.2.13. A Board - Sheet : 002 (4 / 4) ---------------------52
11.2.14. A Board - Sheet : 003 (1 / 6) ---------------------53
11.2.15. A Board - Sheet : 003 (2 / 6) ---------------------54
11.2.16. A Board - Sheet : 003 (3 / 6) ---------------------55
11.2.17. A Board - Sheet : 003 (4 / 6) ---------------------56
11.2.18. A Board - Sheet : 003 (5 / 6) ---------------------57
11.2.19. A Board - Sheet : 003 (6 / 6) ---------------------58
11.2.20. A Board - Sheet : 004 (1 / 8) ---------------------59
11.2.21. A Board - Sheet : 004 (2 / 8) ---------------------60
11.2.22. A Board - Sheet : 004 (3 / 8) ---------------------61
11.2.23. A Board - Sheet : 004 (4 / 8) ---------------------62
11.2.24. A Board - Sheet : 004 (5 / 8) ---------------------63
11.2.25. A Board - Sheet : 004 (6 / 8) ---------------------64
11.2.26. A Board - Sheet : 004 (7 / 8) ---------------------65
11.2.27. A Board - Sheet : 004 (8 / 8) ---------------------66
11.2.28. A Board - Sheet : 005 (1 / 5) ---------------------67
11.2.29. A Board - Sheet : 005 (2 / 5) ---------------------68
11.2.30. A Board - Sheet : 005 (3 / 5) ---------------------69
11.2.31. A Board - Sheet : 005 (4 / 5) ---------------------70
11.2.32. A Board - Sheet : 005 (5 / 5) ---------------------71
11.2.33. A Board - Sheet : 006 (1 / 2) ---------------------72
11.2.34. A Board - Sheet : 006 (2 / 2) ---------------------73
11.2.35. A Board - Sheet : 007 (1 / 7) ---------------------74
11.2.36. A Board - Sheet : 007 (2 / 7) ---------------------75
11.2.37. A Board - Sheet : 007 (3 / 7) ---------------------76
11.2.38. A Board - Sheet : 007 (4 / 7) ---------------------77
11.2.39. A Board - Sheet : 007 (5 / 7) ---------------------78
11.2.40. A Board - Sheet : 007 (6 / 7) ---------------------79
11.2.41. A Board - Sheet : 007 (7 / 7) ---------------------80
11.2.42. A Board - Sheet : 008 (1 / 4) ---------------------81
11.2.43. A Board - Sheet : 008 (2 / 4) ---------------------82
11.2.44. A Board - Sheet : 008 (3 / 4) ---------------------83
11.2.45. A Board - Sheet : 008 (4 / 4) ---------------------84
11.2.46. A Board - Sheet : 009 (1 / 11)--------------------85
11.2.47. A Board - Sheet : 009 (2 / 11)--------------------86
11.2.48. A Board - Sheet : 009 (3 / 11)--------------------87
11.2.49. A Board - Sheet : 009 (4 / 11)--------------------88
11.2.50. A Board - Sheet : 009 (5 / 11)--------------------89
11.2.51. A Board - Sheet : 009 (6 / 11)--------------------90
11.2.52. A Board - Sheet : 009 (7 / 11)--------------------91
11.2.53. A Board - Sheet : 009 (8 / 11)--------------------92
11.2.54. A Board - Sheet : 009 (9 / 11)--------------------93
11.2.55. A Board - Sheet : 009 (10 / 11) ------------------94
11.2.56. A Board - Sheet : 009 (11 / 11)------------------- 95
11.2.57. A Board - Sheet : 010 (1 / 3) ---------------------96