LG DA-3520, Service Manual

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CONTENTS
SECTION 1. GENERAL
• SERVICING PRECAUTIONS ..................................................................................................................... 1-2
• ESD PRECAUTIONS.................................................................................................................................. 1-4
• SPECIFICATIONS ...................................................................................................................................... 1-5
• LOCATION OF CUSTOMER CONTROLS ................................................................................................. 1-6
SECTION 2. AUDIO PART
• ELECTRICAL TROUBLESHOOTING GUDIE ............................................................................................ 2-1
• DVD PLAYER PROGRAM DOWNLOAD METHOD ................................................................................... 2-5
• WAVEFORMS OF MAJOR CHECK POINT ............................................................................................... 2-7
• INTERNAL BLOCK DIAGRAM OF IC’s ...................................................................................................... 2-8
• IC VOLTAGE SHEET ............................................................................................................................... 2-13
• BLOCK DIAGRAM .................................................................................................................................... 2-15
• SCHEMATIC DIAGRAMS......................................................................................................................... 2-17
• PRINTED CIRCUIT DIARGAMS............................................................................................................... 2-25
SECTION 3. DVD PART
• ELECTRICAL TROUBLESHOOTING GUIDE ........................................................................................... 3-1
• BLOCK DIAGRAMS..................................................................................................................................... 3-8
• SCHEMATIC DIAGRAMS.......................................................................................................................... 3-11
• WAVEFORMS ........................................................................................................................................... 3-19
• PRINTED CIRCUIT DIAGRAM ................................................................................................................. 3-21
SECTION 4. MECHANSIM
..............................................................................................................
4-1
SECTION 5. EXPLODED VIEWS
................................................................................................... 5-1
SECTION 6. SPEAKER PART
........................................................................................................ 6-1
SECTION 7. REPLACEMENT PARTS LIST
.................................................................................. 7-1