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2-1
SECTION 2
ELECTRICAL CONTENTS
CONTENTS
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
•
FRONT PART ............................................................................................................................. 2-36
•
POWER PART............................................................................................................................ 2-38
•
MCU PART................................................................................................................................. 2 -40
•
DSP&CODEC WITH DIR PART.................................................................................................
.. 2-42
•
INPUT&VOLUME PART.............................................................................................................
.......... 2-44
•
XM&TUNER PART........................................................................................................... .......... 2-46
•
HDMI SW PART.......................................................................................................................
........... 2-48
•
VIDEO PART............................................................................................................................
....... 2-50
•
VIDEO ENCODER PART.......................................................................................................
....... 2-52
•
AMP PART.................................................................................................................................. 2-54
4. PRINTED CIRCUIT BOARDS ............................................................................................................. 2-58
•
FRONT ....................................................................................................................................... 2-58
•
MAIN............................................................................................................................................ 2-62
•
INPUT........................................................................................................................................... 2-64
•
VIDEO ......................................................................................................................................... 2-68
•
HDMI....................................................................................................................................
........... 2-70
•
AMP.............................................................................................................................................
....... 2-72
5. TROUBLESHOOTING .......................................................................................................................... 2-76
Summary of Contents for T737
Page 1: ...L A U N A M E C I V R E S AV Surround Sound Receiver T737 AV Surround Sound Receiver T737 ...
Page 6: ...1 6 DISASSEMBLY 1 REMOVAL OF TOP COVER 2 REMOVAL OF FRONT PANEL ...
Page 7: ...1 7 PRINCIPAL PARTS LOCATION ...
Page 9: ...T737AH EXPLODED VIEW Graphite 1 9 1 10 SEE NOTE SEE NOTE SEE NOTE ...
Page 11: ...T737C EXPLODED VIEW Graphite 1 12 1 13 SEE NOTE SEE NOTE SEE NOTE ...
Page 13: ...T737CT EXPLODED VIEW Titanium 1 15 1 16 SEE NOTE SEE NOTE SEE NOTE ...
Page 17: ...2 4 IC201 T5CC1 Microcontrollers 2 4 ...
Page 25: ...LC74763 IC108 OSD IC 2 12 ...
Page 26: ...IVERS 2 13 ...
Page 27: ...IVERS 2 13 2 14 ...
Page 28: ...IC113 NJM2566V VIDEO AMP 2 15 ...
Page 31: ...2 18 IC157 ST232CDR RS 232 DRIVERS RECEIVERS BLOCK DIAGRAM IC107 NJM2535 ...
Page 36: ...BLOCK DIAGRAM 2 23 ...
Page 38: ...IC147 TC74VCX541FT OCTAL BUS BUFFER 2 25 ...
Page 41: ...BLOCK DIAGRAM AUDIO PART 2 28 2 29 ...
Page 42: ...BLOCK DIAGRAM MCU DSP PART 2 30 2 31 ...
Page 43: ...BLOCK DIAGRAM VIDEO PART 2 32 2 33 ...
Page 47: ...SCHEMATIC DIAGRAM MCU PART 3 40 3 41 ...
Page 48: ...SCHEMATIC DIAGRAM DSP CODEC WITH DIR PART 3 42 3 43 ...
Page 56: ...PRINTED CIRCUIT BOARDS FRONT TOP VIEW 2 58 2 59 ...
Page 57: ...FRONT BOTTOM VIEW 2 60 2 61 ...
Page 58: ...MAIN TOP VIEW MAIN BOTTOM VIEW 2 62 2 63 ...
Page 59: ...INPUT TOP VIEW 2 64 2 65 ...
Page 60: ...INPUT BOTTOM VIEW 2 66 2 67 ...
Page 61: ...VIDEO TOP VIEW VIDEO BOTTOM VIEW 2 68 2 69 ...
Page 62: ...HDMI TOP VIEW HDMI BOTTOM VIEW 2 70 2 71 ...
Page 63: ...AMP TOP VIEW 2 72 2 73 ...
Page 64: ...AMP BOTTOM VIEW 2 74 2 75 ...