Table Of Contents - Denon PMA-720AE Service Manual

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
DISASSEMBLY ..........................................................................9
1. FRONT PANEL ASSY .........................................................10
3. MAIN PCB ASSY .................................................................11
4. POWER TRANSFORMER ..................................................11
ADJUSTMENT .........................................................................12
TROUBLE SHOOTING ............................................................13
1. The power can not be turned on.
(Power indication LED does not light.） ...................................13
2. The power turned on, but a sound
does not output normally. (Both channels) ..............................13
BLOCK AND LEVEL DIAGRAM .............................................15
WIRING DIAGRAM ..................................................................16
PRINTED WIRING BOARDS ...................................................17
MAIN .......................................................................................17
FRONT ....................................................................................19
HEADPHONE .........................................................................19
POWER (PMA-720AE) ...........................................................20
POWER (PMA-520AE) ...........................................................20
REMOTE CONTROL ..............................................................21
FUNCTION ..............................................................................21
POWER SW ............................................................................21
VOLUME .................................................................................21
SCHEMATIC DIAGRAMS (1/2) ...............................................22
TONE PART ............................................................................22
POWER PART ........................................................................22
FUNCTION SW PART .............................................................22
VOLUME PART .......................................................................22
POWER SW PART ..................................................................22
FLASHER INOUT PART .........................................................22
MAIN PART .............................................................................23
EXPLODED VIEW (PMA-720AE) ............................................24
PARTS LIST OF EXPLODED VIEW (PMA-720AE) ................25
PACKING VIEW (PMA-720AE) ...............................................26
PARTS LIST OF PACKING & ACCESSORIES (PMA-720AE) 26
EXPLODED VIEW (PMA-520AE) ............................................27
PARTS LIST OF EXPLODED VIEW (PMA-520AE) ................28
PACKING VIEW (PMA-520AE) ...............................................29
PARTS LIST OF PACKING & ACCESSORIES (PMA-520AE) 29
SEMICONDUCTORS ...............................................................31
1. IC's ......................................................................................31
PARTS LIST OF P.C.B. UNIT ..................................................35
FRONT PCB ASSY (PMA-720AE) ..........................................35
FRONT PCB ASSY (PMA-520AE) ..........................................38
MAIN PCB ASSY (PMA-720AE) .............................................40
MAIN PCB ASSY (PMA-520AE) .............................................46
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