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1-3
SECTION 1
SUMMARY
CONTENTS
PRODUCT SAFETY SERVICING GUIDELINES.......................................................................................... 1-4
SERVICING PRECAUTIONS ....................................................................................................................... 1-5
* General Servicing Precautions
* Insulation checking prodedure
* Electrostatically Sensitive Devices
SPECIFICATIONS ......................................................................................................................................... 1-6
DISASSEMBLY .............................................................................................................................................. 1-7
PRINCIPAL PART LOCATION ...................................................................................................................... 1-8
EXPLODED VIEW (
AH
) ................................................................................................................
..........
...... 1-9
EXPLODED VIEW (
C
).......................................................................................................
...............
..
.
........... 1-
12
Summary of Contents for L 54
Page 1: ...SERVICE MANUAL L54 DVD RECEIVER NAD ELECTRONICS INTERNATIONAL TORONTO NAD 2007 ...
Page 2: ...SERVICE MANUAL L54 DVD RECEIVER L54DVD RECEIVER ...
Page 7: ...1 7 9 Ê 6 Ê Ê ÊÊ 6 Ó Ê 6 Ê Ê Ê ...
Page 8: ...1 8 Ê Ê ...
Page 9: ...EXPLODED VIEW L54AH 1 9 1 10 ...
Page 10: ...1 11 ...
Page 11: ...EXPLODED VIEW L54C 1 12 1 13 ...
Page 12: ...1 14 ...
Page 15: ...YRO IXQFWLRQ LF QMZ4486IJ4 LF44 2 3 IC BLOCK DIAGRAMS PIN DESCRIPTION ...
Page 16: ...2 4 ...
Page 20: ...Pin Assignment YIO GULYHU LF OF 8 58H LF 4 2 8 ...
Page 24: ...KH LQYHUWHU 7DFW37 LF69 LF6 PIN CONNECTION AND IEC LOGIC SYMBOLS 2 12 ...
Page 26: ...Pin Assignment UGV GHPRGXODWLRQ LF OF 5 56P LF5 Block Diagram 2 14 ...
Page 29: ...FRGHF GLU DN78 LF67 isvjr kphnyht 2 17 ...
Page 30: ...PIN DESCRIPTION 2 18 ...
Page 31: ...2 19 PIN DESCRIPTION ...
Page 32: ...2 20 PIN DESCRIPTION ...
Page 40: ...Prwru Gulyhu LF DP8 LF75 SLQ DVVLJQPHQW 2 28 ...
Page 41: ...2 29 ...
Page 46: ...1 BLOCK DIAGRAM 2 34 2 35 ...
Page 47: ...2 WIRING DIAGRAM 2 36 2 37 ...
Page 48: ...3 SCHEMATIC DIAGRAM FRONT PART 2 38 2 39 ...
Page 49: ...VIDEO PART 2 40 2 41 ...
Page 50: ...MCU PART 2 42 2 43 ...
Page 51: ...INPUT PART 2 44 2 45 ...
Page 52: ...AMP PART 2 46 2 47 ...
Page 53: ...MPEG PART 2 48 2 49 ...
Page 54: ...MPEG PART 2 50 2 51 ...
Page 55: ...4 PRINTED CIRCUIT BOARDS FRONT PCB DATA VIEW 2 52 2 53 ...
Page 56: ...INPUT PCB DATA VIEW TOP 2 54 2 55 ...
Page 57: ...INPUT PCB DATA VIEW BOTTOM 2 56 2 57 ...
Page 58: ...AMP PCB DATA VIEW 2 58 2 59 ...
Page 59: ...MPEG PCB DATA VIEW TOP 2 60 2 61 ...