LG SB95TX-S Service Manual page 14

DIGITAL DISPLAY & MEDIA TRAINING MASTER ..................................................................................... 2-2
1. DISTORTED PICTURE ........................................................................................................................... 2-2
2. NO PICTURE .......................................................................................................................................... 2-7
3. PICTURE COLOR ................................................................................................................................. 2-12
4. NOISE/AUDIO PROBLEMS .................................................................................................................. 2-14
5. MISCELLANEOUS ................................................................................................................................ 2-17
6. BLU-RAY PLAYER ............................................................................................................................... 2-26
7. NETFLIX ............................................................................................................................................... 2-27
8. YouTube ................................................................................................................................................ 2-32
9. CINEMANOW ....................................................................................................................................... 2-33
10. HOME LINK .......................................................................................................................................... 2-39
11. WIRELESS NETWORK SETUP ........................................................................................................... 2-53
12. VUDU .................................................................................................................................................... 2-60
13. PICASA ................................................................................................................................................. 2-63
14. PANDORA............................................................................................................................................. 2-64
15. ACCUWEATHER .................................................................................................................................. 2-67
ELECTRICAL TROUBLESHOOTING GUIDE ............................................................................................. 2-68
1. SMPS BOARD ...................................................................................................................................... 2-68
2. POWER KEY BOARD .......................................................................................................................... 2-70
3. FRONT BOARD .................................................................................................................................... 2-71
4. NO AUDIO CHECK ............................................................................................................................... 2-73
5. NO VIDEO CHECK ............................................................................................................................... 2-75
6. HDMI NO AUDIO/VIDEO CHECK (with HDMI IN) ............................................................................... 2-77
7. HDMI NO AUDIO/VIDEO CHECK (without HDMI IN) .......................................................................... 2-79
WAVEFORMS ................................................................................................................................................. 2-80
1. SYSTEM PART-1 (X-TAL) .................................................................................................................... 2-80
2. SYSTEM PART-2 (DDR3 MEMORY) ................................................................................................... 2-81
3. VIDEO PART (100% FULL COLOR-BAR) ........................................................................................... 2-82
4. HDMI PART .......................................................................................................................................... 2-83
5. MICOM AND MPEG I/F PART.............................................................................................................. 2-84
WIRING DIAGRAM ........................................................................................................................................ 2-85
BLOCK DIAGRAM ......................................................................................................................................... 2-87
CIRCUIT DIAGRAMS .................................................................................................................................... 2-91
1. SMPS - POWER CIRCUIT DIAGRAM.................................................................................................. 2-91
2. MAIN - CPU1 CIRCUIT DIAGRAM ....................................................................................................... 2-93
3. MAIN - CPU2 CIRCUIT DIAGRAM ....................................................................................................... 2-95
4. MAIN - DDR3, NAND, CP CIRCUIT DIAGRAM ................................................................................... 2-97
5. MAIN - FRONT END CIRCUIT DIAGRAM ........................................................................................... 2-99
6. MAIN - MICOM CIRCUIT DIAGRAM .................................................................................................. 2-101
7. MAIN - HDMI CIRCUIT DIAGRAM ..................................................................................................... 2-103
8. MAIN - ADC, DIR CIRCUIT DIAGRAM .............................................................................................. 2-105
9. MAIN - DSP CIRCUIT DIAGRAM ....................................................................................................... 2-107
10. MAIN - POWER CIRCUIT DIAGRAM ................................................................................................. 2-109
11. MAIN - I/O CIRCUIT DIAGRAM .......................................................................................................... 2-111
12. AMP1 CIRCUIT DIAGRAM ................................................................................................................. 2-113
13. AMP2 CIRCUIT DIAGRAM ................................................................................................................. 2-115
14. FRONT CIRCUIT DIAGRAM .............................................................................................................. 2-117
15. FRONT JACK CIRCUIT DIAGRAM .................................................................................................... 2-119
16. IPOD CIRCUIT DIAGRAM .................................................................................................................. 2-121
17. WiFi - USB_GPIO_STRAP CIRCUIT DIAGRAM (OPTION) .............................................................. 2-123
18. WiFi - POWER & CONTROL CIRCUIT DIAGRAM (OPTION) ........................................................... 2-125
19. WiFi - RF ANTENNA CIRCUIT DIAGRAM (OPTION) ........................................................................ 2-127
20. WIRELESS TX MODULE CIRCUIT DIAGRAM (OPTION) ................................................................. 2-129
CIRCUIT VOLTAGE CHART ...................................................................................................................... 2-131
PRINTED CIRCUIT BOARD DIAGRAMS .................................................................................................. 2-133
1. MAIN P.C.BOARD .............................................................................................................................. 2-133
2. SMPS P.C.BOARD ............................................................................................................................. 2-137
3. AMP P.C.BOARD ................................................................................................................................ 2-139
4. FRONT P.C.BOARD ........................................................................................................................... 2-141
5. FRONT JACK P.C.BOARD ................................................................................................................. 2-143
6. IPOD P.C.BOARD ............................................................................................................................... 2-143
SECTION 2 ELECTRICAL
CONTENTS
2-1