Marantz AV7701 - Table of Contents

2
CONTENTS
ABOUT THIS MANUAL
.............................................................3
What you can do with this manual ............................................3
Using Adobe Reader (Windows version) ..................................4
SAFETY PRECAUTIONS
..........................................................7
NOTE FOR SCHEMATIC DIAGRAM
.........................................8
TECHNICAL SPECIFICATIONS
................................................9
DIMENSION
...............................................................................9
CAUTION IN SERVICING
........................................................10
Initializing AV SURROUND RECEIVER ..................................10
Service Jig ..............................................................................10
DISASSEMBLY
........................................................................ 11
1. FRONT PANEL ASSY .........................................................12
2. HEAT SINK ASSY ...............................................................16
3. HDMI UNIT ASSY ................................................................18
4. TRANS MAIN ......................................................................21
SPECIAL MODE
......................................................................22
Special mode setting button ....................................................22
1. µcom/DSP Version display mode ........................................23
2. PANEL/REMOTE LOCK Selection mode ............................27
3. Service Related Selection mode .........................................28
4. DUAL BACKUP MEMORY ..................................................29
5.DIAGNOSTICMODE(Video/Audio(signal)pathconrmation
mode) ......................................................................................31
BLOCK DIAGRAM
...................................................................36
JIG FOR SERVICING
..............................................................63
WHEN THE MICROPROCESSOR IS REPLACED WITH A
NEW ONE
................................................................................67
PROCEDURE FOR UPGRADING THE VERSION OF THE
FIRMWARE
..............................................................................67
1. How to update by DFW .......................................................67
2. How to update by DPMS .....................................................71
3. How to update by USB Memory ..........................................78
SURROUND MODES AND PARAMETERS
............................85
TROUBLE SHOOTING
............................................................91
1. POWER ...............................................................................91
2. Analog video ........................................................................92
3. HDMI/DVI ............................................................................97
4. AUDIO ...............................................................................105
5. Network/USB .....................................................................107
6. SMPS ................................................................................110
CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK
...........114
LEVEL DIAGRAM
.................................................................. 115
WIRING DIAGRAM
................................................................120
PRINTED WIRING BOARDS
.................................................121
HDAM_AMP _1 .....................................................................121
SMPS ...................................................................................122
HDAM_AMP _2 .....................................................................123
HDAM_AMP _3 .....................................................................123
FUSE ....................................................................................124
INPUT ...................................................................................125
FRONT .................................................................................127
GUIDE FRONT FFC .............................................................127
HP ........................................................................................129
DOOR DET ..........................................................................129
FRONT HDMI FFC ...............................................................129
GUIDE L ...............................................................................129
GUIDE R ..............................................................................129
FRONT HDMI FFC ...............................................................129
PREOUT ..............................................................................130
SIDE CNT .............................................................................131
FRONT CNT .........................................................................132
VIDEO ..................................................................................134
HDMI ....................................................................................136
FRONT HDMI .......................................................................136
SCHEMATIC DIAGRAMS (1/31)
...........................................138
FRONT UNIT .........................................................................138
SPK/PREOUT/REG UNIT (1/3).............................................139
SPK/PREOUT/REG UNIT (2/3).............................................140
SPK/PREOUT/REG UNIT (3/3).............................................141
CNT/RS232C UNIT (1/2).......................................................142
CNT/RS232C UNIT (2/2).......................................................143
INPUT UNIT ..........................................................................144
USB UNIT..............................................................................144
VIDEO UNIT (1/3) .................................................................145
VIDEO UNIT (2/3) .................................................................146
VIDEO UNIT (3/3) .................................................................147
DIGITAL UNIT (1/15) .............................................................148
DIGITAL UNIT (2/15) .............................................................149
DIGITAL UNIT (3/15) .............................................................150
DIGITAL UNIT (4/15) .............................................................151
DIGITAL UNIT (5/15) .............................................................152
DIGITAL UNIT (6/15) .............................................................153
DIGITAL UNIT (7/15) .............................................................154
DIGITAL UNIT (8/15) .............................................................155
DIGITAL UNIT (9/15) .............................................................156
DIGITAL UNIT (10/15) ...........................................................157
DIGITAL UNIT (11/15) ...........................................................158
DIGITAL UNIT (12/15) ...........................................................159
DIGITAL UNIT (13/15) ...........................................................160
DIGITAL UNIT (14/15) ...........................................................161
DIGITAL UNIT (15/15) ...........................................................162
SMPS UNIT ...........................................................................163
HDAM/AMP UNIT (1/3) .........................................................164
HDAM/AMP UNIT (2/3) .........................................................165
HDAM/AMP UNIT (3/3) .........................................................166
BALANCE CONNCTOR & BALANCE OUT UNIT .................167
TO REGULATOR PART UNIT ...............................................168
EXPLODED VIEW
..................................................................169
PARTS LIST OF EXPLODED VIEW
......................................171
PACKING VIEW
.....................................................................174
PARTS LIST OF PACKING & ACCESSORIES
.....................175
SEMICONDUCTORS
.............................................................176
1. IC's ....................................................................................176
2. FL DISPLAY.......................................................................209
PARTS LIST OF PCB UNIT
................................................... 211
FRONT PCB UNIT ASS'Y .....................................................211
FRONT HDMI PCB UNIT ASS'Y ...........................................215
SMPS PCB UNIT ASS'Y .......................................................216
INPUT PCB UNIT ASS'Y .......................................................219
VIDEO PCB UNIT ASS'Y ......................................................222
DIGITAL PCB UNIT ASS'Y ....................................................237
PREOUT PCB UNIT ASS'Y ...................................................250
CNT PCB UNIT ASS'Y ..........................................................252
H-DAM AMP PCB UNIT ASS'Y .............................................259
FUSE PCB UNIT ASS'Y ........................................................264