NAD M56, Service Manual

Page: 15 / 101

SECTION 3
ELECTRICAL
CONTENTS
TRAINING MASTER FOR BLU-RAY (BR-Player)
........................................................................... 3-2
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 ............................................................................................................................... 3-26
ELECTRICAL TROUBLESHOOTING GUIDE
.................................................................................. 3-27
1. POWER SUPPLY (SMPS) .................................................................................................................... 3-27
2. POWER ON .......................................................................................................................................... 3-29
3. SYSTEM PART ..................................................................................................................................... 3-30
4. COMPONENT (YPbPr) VIDEO OUT .................................................................................................... 3-31
5. CVBS VIDEO OUT ............................................................................................................................... 3-32
6. AUDIO (S/PDIF, OPTICAL) .................................................................................................................. 3-33
7. AUDIO (ANALOG) ................................................................................................................................ 3-34
8. HDMI ..................................................................................................................................................... 3-35
WAVEFORMS
............................................................................................................................................. 3-36
1. SYSTEM PART-1 .................................................................................................................................. 3-36
2. SYSTEM PART-2 (SYSTEM MEMORY) .............................................................................................. 3-37
3. VIDEO PART-1 (100% FULL COLOR-BAR) ........................................................................................ 3-38
4. VIDEO PART-2 (100% FULL COLOR-BAR) ........................................................................................ 3-39
5. AUDIO PART (S/PDIF) ......................................................................................................................... 3-40
6. HDMI PART .......................................................................................................................................... 3-41
7. FRONT I/F PART .................................................................................................................................. 3-42
BLOCK DIAGRAMS
................................................................................................................................. 3-43
1. OVERALL BLOCK DIAGRAM .............................................................................................................. 3-43
2. SMPS BLOCK DIAGRAM ..................................................................................................................... 3-44
3. SYSTEM STRUCTURE BLOCK DIAGRAM ......................................................................................... 3-45
4. FRONT PART BLOCK DIAGRAM ........................................................................................................ 3-46
5. 2CH AUDIO INTERFACE BLOCK DIAGRAM ...................................................................................... 3-47
6. 7.1CH AUDIO INTERFACE BLOCK DIAGRAM ................................................................................... 3-48
7. VIDEO INTERNAL BLOCK DIAGRAM ................................................................................................. 3-49
8. Wi-Fi BLOCK DIAGRAM ....................................................................................................................... 3-50
CIRCUIT DIAGRAMS
............................................................................................................................... 3-51
1. SMPS (POWER) CIRCUIT DIAGRAM ................................................................................................. 3-51
2. BCM7602-2 CIRCUIT DIAGRAM ......................................................................................................... 3-53
3. DDR2-800 CIRCUIT DIAGRAM ............................................................................................................ 3-55
4. NAND, SATA, INTERFACE, ETHERNET CIRCUIT DIAGRAM ........................................................... 3-57
5. BCM7602-1 CIRCUIT DIAGRAM ......................................................................................................... 3-59
6. A/V OUTPUT CIRCUIT DIAGRAM ....................................................................................................... 3-61
7. POWER SUPPLY CIRCUIT DIAGRAM ................................................................................................ 3-63
8. ANALOG AUDIO 7.1CH CIRCUIT DIAGRAM ...................................................................................... 3-65
9. FRONT TIMER / KEY CIRCUIT DIAGRAM .......................................................................................... 3-67
10.USB,GPIO,STRAP CIRCUIT DIAGRAM (OPTIONAL) ........................................................................ 3-69
11.POWER AND CONTROL CIRCUIT DIAGRAM (OPTIONAL) ............................................................. 3-71
12.RF ANTENNA CIRCUIT DIAGRAM (OPTIONAL) ............................................................................... 3-73
13.M56 FPP+SUB+USB CIRCUIT DIAGRAM .......................................................................................... 3-75
CIRCUIT VOLTAGE CHART
................................................................................................................. 3-77
PRINTED CIRCUIT BOARD DIAGRAMS
.......................................................................................... 3-79
1. MAIN P.C.BOARD ................................................................................................................................ 3-79
2. SMPS P.C.BOARD ............................................................................................................................... 3-81
3. M56+FPP+SUB+USB BOARDS .......................................................................................................... 3-83
4. FRONT TIMER P.C.BOARD ...................................................................................................... ........... 3-85
5. ANALOG 7.1CH P.C. BOARD .................................................................................................... .......... 3-87
6. WI-FI P.C. BOARD ........................................................................................................... .................... 3-87
MEMO
............................................................................................................................................................. 3-89
3-1