LG S62S1-W Service Manual

2-1
SECTION 2 ELECTRICAL
CONTENTS
DIGITAL DISPLAY &
MEDIA TRAINING MASTER
................................ 2-2
1
1. DISTORTED PICTURE ................................... 2-2
1
2. NO PICTURE .................................................. 2-7
1
3. PICTURE COLOR ......................................... 2-12
1
4. NOISE/AUDIO PROBLEMS .......................... 2-14
1
5. MISCELLANEOUS ........................................ 2-17
1
6. BD-HTS ......................................................... 2-26
1
7. NETFLIX ........................................................ 2-27
1
8. YouTube ........................................................ 2-33
1
9. CINEMANOW (ONLY FOR USA) ................. 2-34
10. MY MEDIA .................................................... 2-39
11. WIRELESS NETWORK SETUP ................... 2-51
12. VUDU (ONLY FOR USA) ............................. 2-56
13. PICASA ......................................................... 2-58
14. PANDORA (ONLY FOR USA) ...................... 2-59
15. ACCUWEATHER .......................................... 2-61
16. VIEWSTER .................................................... 2-62
17. ACCEDO ....................................................... 2-65
ONE POINT REPAIR GUIDE ............................. 2-66
1. NO POWER PROBLEM .................................. 2-66
2. NO BOOTING WHEN YOU TURN THE
UNIT ON, NO MESSAGE OR “PLEASE
WAIT”ON FRONT PANEL .............................. 2-68
3. WIRED NETWORK CONNECTION ERROR.. 2-77
4. BAD HDMI VIDEO / AUDIO OUTPUT ............ 2-78
5. NO SPEAKER OUTPUT ................................. 2-79
ELECTRICAL TROUBLESHOOTING GUIDE .. 2-80
1. SYSTEM POWER SUPPLY ON
SMPS BOARD ................................................ 2-80
2. AMP POWER SUPPLY ON SMPS BOARD ... 2-81
3. POWER SUPPLY ON MAIN BOARD ............. 2-82
4. SYSTEM PART ............................................... 2-83
5. NO CVBS VIDEO OUTPUT ............................ 2-84
6. NO AUDIO OUTPUT ....................................... 2-84
7. NO HDMI OUTPUT ......................................... 2-86
WAVEFORMS ...................................................... 2-87
1. SYSTEM PART - 1 ......................................... 2-87
2. SYSTEM PART - 2 (SYSTEM MEMORY) ...... 2-88
3. VIDEO PART (100 % FULL COLOR - BAR) .. 2-89
4. AUDIO PART - 1 (S/PDIF) .............................. 2-90
5. AUDIO PART - 2 (I2S) .................................... 2-91
6. HDMI PART .................................................... 2-92
WIRING DIAGRAM ............................................. 2-93
BLOCK DIAGRAMS ........................................... 2-95
1. TOTAL BLOCK DIAGRAM (850 W, 1000 W) . 2-95
2. 1000 W BLOCK DIAGRAM ............................. 2-97
3. 850 W BLOCK DIAGRAM ............................... 2-99
CIRCUIT DIAGRAMS ....................................... 2-101
1
1. SMPS - POWER CIRCUIT DIAGRAM ........ 2-101
1
2. MAIN - CPU CIRCUIT DIAGRAM ............... 2-103
1
3. MAIN - MEMORY CIRCUIT DIAGRAM ...... 2-105
1
4. MAIN - LOADER CIRCUIT DIAGRAM ........ 2-107
1
5. MAIN - MICOM CIRCUIT DIAGRAM .......... 2-109
1
6. MAIN - HDMI CIRCUIT DIAGRAM ............. 2-111
1
7. MAIN - ADC/DIR CIRCUIT DIAGRAM ........ 2-113
1
8. MAIN - DSP CIRCUIT DIAGRAM ............... 2-115
1
9. MAIN - POWER CIRCUIT DIAGRAM ......... 2-117
10. MAIN - I/O CIRCUIT DIAGRAM .................. 2-119
11. AMP - PWM CIRCUIT DIAGRAM ............... 2-121
12. AMP - AMP CIRCUIT DIAGRAM ................ 2-123
13. JACK CIRCUIT DIAGRAM
(OPTIONAL PART) ..................................... 2-125
13-1. USB & PTB & MIC CIRCUIT DIAGRAM . 2-125
13-2. USB & PTB CIRCUIT DIAGRAM ........... 2-127
14. FRONT CIRCUIT DIAGRAM ...................... 2-129
CIRCUIT VOLTAGE CHART ........................... 2-131
PRINTED CIRCUIT BOARD DIAGRAMS ....... 2-133
1. SMPS P. C. BOARD ..................................... 2-133
2. MAIN P. C. BOARD ...................................... 2-135
3. AMP P.C.BOARD .......................................... 2-137
4. JACK P. C. BOARD (OPTIONAL PART) ...... 2-139
4-1. USB & PTB & MIC P. C. BOARD .............. 2-139
4-2. USB & PTB P. C. BOARD ......................... 2-140
5. FRONT P. C. BOARD ................................... 2-139

LG S62S1-W Specifications

General

Brand	LG
Model	S62S1-W
Category	Home Theater System
Language	English