NAD T737 Service Manual page 14

IC BLOCK DIAGRAMS & PIN DESCRIPTION .......................................................................................... 2-2
DIAGRAM.................................................................................................................................................... 2-31
1. BLOCK DIAGRAM ................................................................................................................................ 2-28
2. WIRING DIAGRAM .............................................................................................................................. 2-34
3. SCHEMATIC DIAGRAM ...................................................................................................................... 2-36
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FRONT PART ............................................................................................................................. 2-36
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POWER PART............................................................................................................................ 2-38
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MCU PART................................................................................................................................. 2 -40
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DSP&CODEC WITH DIR PART................................................................................................. .. 2-42
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INPUT&VOLUME PART.............................................................................................................
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XM&TUNER PART..................................................................................................................... 2-46
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HDMI SW PART.......................................................................................................................
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VIDEO PART............................................................................................................................
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VIDEO ENCODER PART....................................................................................................... ....... 2-52
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AMP PART.................................................................................................................................. 2-54
4. PRINTED CIRCUIT BOARDS ............................................................................................................. 2-58
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FRONT ....................................................................................................................................... 2-58
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MAIN............................................................................................................................................ 2-62
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INPUT............................................................................................................................... . ........... 2-64
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VIDEO ......................................................................................................................................... 2-68
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HDMI.................................................................................................................................... ........... 2-70
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AMP.............................................................................................................................................
5. TROUBLESHOOTING .......................................................................................................................... 2-76
SECTION 2
ELECTRICAL CONTENTS
CONTENTS
2-1
.......... 2-44
........... 2-48
....... 2-50
....... 2-72