
Table of Contents
CHAPTER 1- PRECAUTIONS & SAFETY NOTICES ..................................................................................................................... 3
1. SAFETY PRECAUTIONS ............................................................................................................................................................... 3
2. PRODUCT SAFETY NOTICE ........................................................................................................................................................ 3
3. SERVICE NOTES ............................................................................................................................................................................ 3
CHAPTER 2- SERVICE TOOLS & EQUIPMENT REQUIRED ..................................................................................................... 4
CHAPTER 3- CIRCUIT THEORY ...................................................................................................................................................... 5
1. BLOCK DIAGRAM .............................................................................................................................................................................. 5
2. GENERAL INFORMATION............................................................................................... 오류! 책갈피가 정의되어 있지 않습니다.
3. HDMI PIN DESCRIPTION .............................................................................................. 오류! 책갈피가 정의되어 있지 않습니다.
4. DISPLAY PORT PIN DESCRIPTION ....................................................................................................................................................... 6
5. FFC CABLE PIN ASSIGNMENT ......................................................................................................................................................... 7
6. KEY PAD PIN ASSIGNMENT ................................................................................................................................................................ 7
7. FACTORY PRESET TIMMING ............................................................................................................................................................... 7
8. INTERFACE ........................................................................................................................................................................................ 8
8-1. SIGNAL INTERFACE .............................................................................................................................................................. 8
8-2. KEY PAD INTERFACE ............................................................................................................................................................ 9
8-3. CIRCUIT DIAGRAM ............................................................................................................................................................. 10
8-4 .PCB DRAWING ..................................................................................................................................................................... 14
CHAPTER 4- DISASSEMBLY & ASSEMBLY ................................................................................................................................. 15
1. PRECAUTION ................................................................................................................................................................................... 15
2. DISASSEMBLE AND ASSEMBLE ........................................................................................................................................................ 16
3. UNPACKING ................................................................................................................................................................................... 18
4. DISASSEMBLE PRODUCT ................................................................................................................................................................. 19
CHAPTER 5- MAINTENANCE ................................................................................................................................................ 20
1. FW UPGRADE ............................................................................................................................................................................... 20
2. BOM LIST .................................................................................................................................................................................... 23
CHAPTER 6- TROUBLE SHOOTING .............................................................................................................................................. 29
1.NO POWER TROUBLE SHOOTING ....................................................................................................................................................... 29
2. NO VIDEO TROUBLE SHOOTING ...................................................................................................................................................... 30
CHAPTER 7- SERVICE PROCESS GUIDE ..................................................................................................................................... 31
Chapter 1- PRECAUTIONS & SAFETY NOTICES