2
CONTENTS
ABOUT THIS MANUAL
.............................................................3
What you can do with this manual ............................................3
Using Adobe Reader (Windows version) ..................................4
SAFETY PRECAUTIONS
..........................................................6
NOTE FOR SCHEMATIC DIAGRAM
.........................................7
NOTE FOR PARTS LIST
...........................................................7
TECHNICAL SPECIFICATIONS
................................................8
DIMENSION
...............................................................................8
CAUTION IN SERVICING
..........................................................9
Initializing AV SURROUND RECEIVER ....................................9
Service Jig ................................................................................9
DISASSEMBLY
........................................................................10
1. FRONT PANEL ASSY .........................................................12
2. DIGITAL PCB ASSY ............................................................13
3. RADIATOR ASSY ................................................................14
4. POWER PCB ......................................................................15
5. REGULATOR PCB ..............................................................15
6. TRANS POWER ..................................................................15
SPECIAL MODE
......................................................................16
Special mode setting button ....................................................16
1. µcom/DSP/OSD Version display mode ...............................17
WHEN THE MICROPROCESSOR IS
REPLACED WITH A NEW ONE
.............................................18
PROCEDURE
FOR UPGRADING
THE VERSION OF THE FIRMWARE
.....................................18
1. Preparations ........................................................................18
2. UPDATE FIRMWARE ..........................................................23
3. Notice: .................................................................................42
Conrming the rmware’s number after upgraded ..................42
ADJUSTMENT
.........................................................................43
SURROUND MODES AND PARAMETERS
............................44
TROUBLE SHOOTING
............................................................47
1. POWER ...............................................................................47
2. Analog video ........................................................................48
3. HDMI/DVI ............................................................................49
4. AUDIO .................................................................................54
CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK
.............57
ANALOG AUDIO/VIDEO BLOCK DIAGRAM
.........................58
DIGITAL AUDIO/HDMI BLOCK DIAGRAM
.............................59
POWER BLOCK DIAGRAM
....................................................60
LEVEL DIAGRAM
....................................................................61
WIRING DIAGRAM
..................................................................65
PRINTED WIRING BOARDS
...................................................66
MAIN .......................................................................................66
TUNER ....................................................................................68
POWER KNOB .......................................................................68
PORTABLE .............................................................................68
HEADPHONE .........................................................................68
USB .........................................................................................68
FOR HDMI FFC CABLE ..........................................................68
FRONT ....................................................................................69
DIGITAL ...................................................................................70
F-HDMI ....................................................................................72
POWER ...................................................................................72
REGULATOR ..........................................................................74
SCHEMATIC DIAGRAMS
........................................................76
FRONT PART ..........................................................................76
POWER PART ........................................................................77
MAIN PART .............................................................................78
INPUT & VOLUME PART ........................................................79
VIDEO PART (PRE OUT-SUBWOOFER) ...............................80
DSP PART ...............................................................................81
MCU PART ..............................................................................82
HDMI PART .............................................................................83
FRONT-HDMI IN PART ...........................................................84
EXPLODED VIEW
....................................................................85
PARTS LIST OF EXPLODED VIEW
........................................87
PACKING VIEW
.......................................................................90
PARTS LIST OF PACKING & ACCESSORIES
.......................90
SEMICONDUCTORS
...............................................................92
1. IC's ......................................................................................92
2. FL DISPLAY....................................................................... 111
PARTS LIST OF P.C.B. UNIT
................................................113
FRONT PCB UNIT ASS'Y .....................................................113
POWER PCB UNIT ASS'Y ....................................................116
MAIN PCB UNIT ASS'Y.........................................................118
DIGITAL PCB UNIT ASS'Y ....................................................123