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 ................................................9
DIMENSION ...............................................................................9
CAUTION IN SERVICING ........................................................10
Initializing AV SURROUND RECEIVER ..................................10
Service Jig ..............................................................................10
DISASSEMBLY ........................................................................11
1. FRONT PANEL ASSY ........................................................13
2. PCB MX PORT/RS232C/HDAM CNT/HDAM ....................14
3. PCB HDMI ..........................................................................15
4. POWER TRANS MAIN ......................................................16
5. PCB VIDEO ........................................................................17
6. PCB RECOUT ....................................................................17
7. PCB MAIN ASSY ...............................................................18
8. PCB SMPS .........................................................................19
9. RADIATOR ASSY ...............................................................20
SPECIAL MODE .....................................................................23
Special mode setting button ...................................................23
1. µcom/DSP Version display mode .......................................24
2. PANEL/REMOTE LOCK Selection mode ...........................27
3. Service Related Selection mode .......................................28
BLOCK DIAGRAM ..................................................................31
4. DUAL BACKUP MEMORY .................................................49
5. Protection Pass mode ........................................................51
6. DM860A Reboot mode .......................................................51
7. NETWORK Initialization mode ...........................................52
JIG FOR SERVICING ..............................................................53
WHEN THE MICROPROCESSOR IS
REPLACED WITH A NEW ONE ..............................................56
PROCEDURE FOR UPGRADING
THE VERSION OF THE FIRMWARE ......................................56
1. How to update by DFW ......................................................57
2. How to update by DPMS ....................................................60
3. How to update by USB Memory .........................................67
ADJUSTMENT .........................................................................76
Video conversion function ....................................................77
Sound modes and channel output ........................................78
Sound modes and surround parameters .............................78
Types of input signals, and corresponding sound modes .80
TROUBLE SHOOTING ............................................................81
1. POWER ..............................................................................81
2. Analog video ......................................................................82
3. HDMI/DVI ...........................................................................86
4. AUDIO ................................................................................88
5. Network/USB ......................................................................91
6. SMPS .................................................................................94
CLOCK FLOW & WAVE FORM IN
DIGITAL BLOCK DIAGRAM ...................................................97
LEVEL DIAGRAM ....................................................................98
BLOCK DIAGRAM .................................................................104
POWER DIAGRAM ................................................................105
WIRING DIAGRAM ................................................................106
PRINTED WIRING BOARDS .................................................107
SCHEMATIC DIAGRAMS (1/27) ...........................................120
FRONT UNIT (1/1) ................................................................120
HDAM UNIT (1/1) ..................................................................121
PREOUT UNIT (1/2) ..............................................................122
PREOUT UNIT (2/2) ..............................................................123
INPUT UNIT (1/1) ..................................................................124
SMPS UNIT (1/1) ..................................................................125
VIDEO UNIT (1/3) .................................................................126
VIDEO UNIT (2/3) .................................................................127
VIDEO UNIT (3/3) .................................................................128
AMP UNIT (1/2) .....................................................................129
AMP UNIT (2/2) .....................................................................130
MAIN UNIT (1/2)....................................................................131
MAIN UNIT (2/2)....................................................................132
HDMI UNIT (1/14) .................................................................133
HDMI UNIT (2/14) .................................................................134
HDMI UNIT (3/14) .................................................................135
HDMI UNIT (4/14) .................................................................136
HDMI UNIT (5/14) .................................................................137
HDMI UNIT (6/14) .................................................................138
HDMI UNIT (7/14) .................................................................139
HDMI UNIT (8/14) .................................................................140
HDMI UNIT (9/14) .................................................................141
HDMI UNIT (10/14) ...............................................................142
HDMI UNIT (11/14) ................................................................143
HDMI UNIT (12/14) ...............................................................144
HDMI UNIT (13/14) ...............................................................145
HDMI UNIT (14/14) ...............................................................146
EXPLODED VIEW .................................................................147
PACKING VIEW .....................................................................149
SEMICONDUCTORS .............................................................150
1. IC's ...................................................................................150
2. FL DISPLAY .....................................................................172
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General
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