LG BD390 Service Manual page 14

TRAINING MASTER FOR BLU-RAY (BD)
1. DISTORTED PICTURE ........................................................................................................................... 3-2
2. NO PICTURE .......................................................................................................................................... 3-7
3. PICTURE COLOR ................................................................................................................................. 3-12
4. NOISE/AUDIO PROBLEMS .................................................................................................................. 3-14
5. MISCELLANEOUS ................................................................................................................................ 3-17
6. BLU-RAY PLAYER (BD390) ................................................................................................................. 3-26
7. NETFLIX ............................................................................................................................................... 3-28
8. YouTube ................................................................................................................................................ 3-32
9. CINEMANOW ....................................................................................................................................... 3-33
ELECTRICAL TROUBLESHOOTING GUIDE
1. POWER SUPPLY (SMPS) .................................................................................................................... 3-38
2. POWER ON .......................................................................................................................................... 3-40
3. SYSTEM PART ..................................................................................................................................... 3-41
4. COMPONENT (YPbPr) VIDEO OUT .................................................................................................... 3-42
5. CVBS VIDEO OUT ............................................................................................................................... 3-43
6. AUDIO (S/PDIF, OPTICAL) .................................................................................................................. 3-44
7. AUDIO (ANALOG) ................................................................................................................................ 3-45
8. HDMI ..................................................................................................................................................... 3-46
COMPONENT REPAIR GUIDE
WAVEFORMS
............................................................................................................................................. 3-62
1. SYSTEM PART-1 .................................................................................................................................. 3-62
2. SYSTEM PART-2 (SYSTEM MEMORY) .............................................................................................. 3-63
3. VIDEO PART-1 (100% FULL COLOR-BAR) ........................................................................................ 3-64
4. VIDEO PART-2 (100% FULL COLOR-BAR) ........................................................................................ 3-65
5. AUDIO PART (S/PDIF) ......................................................................................................................... 3-66
6. HDMI PART .......................................................................................................................................... 3-67
7. FRONT I/F PART .................................................................................................................................. 3-68
BLOCK DIAGRAMS
1. OVERALL BLOCK DIAGRAM .............................................................................................................. 3-69
2. SMPS BLOCK DIAGRAM ..................................................................................................................... 3-70
3. SYSTEM STRUCTURE BLOCK DIAGRAM ......................................................................................... 3-71
4. FRONT PART BLOCK DIAGRAM ........................................................................................................ 3-72
5. 2CH AUDIO INTERFACE BLOCK DIAGRAM ...................................................................................... 3-73
6. 7.1CH AUDIO INTERFACE BLOCK DIAGRAM ................................................................................... 3-74
7. VIDEO INTERNAL BLOCK DIAGRAM ................................................................................................. 3-75
8. Wi-Fi BLOCK DIAGRAM ....................................................................................................................... 3-76
CIRCUIT DIAGRAMS
1. SMPS (POWER) CIRCUIT DIAGRAM ................................................................................................. 3-77
2. BCM7602-2 CIRCUIT DIAGRAM ......................................................................................................... 3-79
3. DDR2-800 CIRCUIT DIAGRAM ............................................................................................................ 3-81
4. NAND, SATA, INTERFACE, ETHERNET CIRCUIT DIAGRAM ........................................................... 3-83
5. BCM7602-1 CIRCUIT DIAGRAM ......................................................................................................... 3-85
6. A/V OUTPUT CIRCUIT DIAGRAM ....................................................................................................... 3-87
7. POWER SUPPLY CIRCUIT DIAGRAM ................................................................................................ 3-89
8. ANALOG AUDIO 7.1CH CIRCUIT DIAGRAM ...................................................................................... 3-91
9. FRONT TIMER CIRCUIT DIAGRAM .................................................................................................... 3-93
10.USB,GPIO,STRAP CIRCUIT DIAGRAM ............................................................................................. 3-95
11.POWER AND CONTROL CIRCUIT DIAGRAM ................................................................................... 3-97
12.RF ANTENNA CIRCUIT DIAGRAM ..................................................................................................... 3-99
CIRCUIT VOLTAGE CHART
PRINTED CIRCUIT BOARD DIAGRAMS
1. MAIN P.C.BOARD .............................................................................................................................. 3-103
2. SMPS P.C.BOARD ............................................................................................................................. 3-105
3. POWER KEY P.C.BOARD ................................................................................................................. 3-107
4. FRONT TIMER P.C.BOARD ............................................................................................................... 3-109
5. ANALOG 7.1CH P.C. BOARD ............................................................................................................ 3-111
6. WI-FI P.C. BOARD ............................................................................................................................. 3-111
SECTION 3
ELECTRICAL
CONTENTS
............................................................................................................. 3-47
................................................................................................................................. 3-69
............................................................................................................................... 3-77
............................................................................................................... 3-101
........................................................................................ 3-103
......................................................................................... 3-2
.................................................................................. 3-38
3-1