Denon AVR-4520

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21

(3) Remove the screws, then disconnect the connector wire and FFC cable.

Please refer to "EXPLODED VIEW" for the disassembly method of each PWB included in BACK PANEL SUB ASSY.

N1807

FFC

FFC

Direction of photograph: C

Shooting direction: A

Table of Contents

Default Chapter2
- Table of Contents2
About this Manual3
- What You Can Do with this Manual3
- Using Adobe Reader (Windows Version)4
Safety Precautions6
Note for Schematic Diagram7
Note for Parts List7
Technical Specifications8
Dimension8
Caution in Servicing9
- Initializing INTEGRATED NETWORK AV RECEIVER9
- Service Jig9
Disassembly10
- Front Panel Sub Assy11
- Radiator(L) Sub Assy15
- Radiator(R) Sub Assy17
- Power Trans18
- Back Panel Sub Assy19
- Remove the Screw Cover (41951004800Ad:sp)22
- Put the Screw Cover (41951004800Ad:sp)23
Special Mode24
- Special Mode Setting Button24
- Μcom/Dsp Version Display Mode25
- PANEL/REMOTE LOCK Selection Mode30
- Service Related Selection Mode31
Block Diagram37
- Additional Source Mode70
- Protection Pass Mode70
- DM860A Reboot Mode71
- Remote ID Setup Mode71
- ZONE4 HDMI Mode72
Jig for Servicing73
When the Microprocessor Is Replaced with a New One75
PROCEDURE for Updating the VERSION of the FIRMWARE75
- How to Update by DFW75
- How to Update by DPMS79
- How to Update by USB Memory85
Adjustment95
Surround Modes and Parameters96
Trouble Shooting103
- Power103
- Analog Video104
- Hdmi/DVI108
- Audio110
- Network/Usb113
- Smps119
Clock Flow & Wave Form in Digital Block122
Level Diagram124
CPU Control Block Diagram132
Printed Wiring Boards133
- Power Amp (Fl) (Component Side)133
- Power Amp (C) (Component Side)133
- Power Amp (Sbl) (Component Side)133
- Power Amp (Sl) (Component Side)133
- Power Amp (Fhl) (Component Side)134
- Power Amp (Fr) (Component Side)134
- Power Amp (Sbr) (Component Side)134
- Power Amp (Sr) (Component Side)134
- Power Amp (Fhr) (Component Side)135
- Amp Connect Unit (Component Side)135
- Posistor Unit (Component Side)135
- Spk/Smps (Component Side)136
- Fld (Component Side)138
- Tuner (Component Side)138
- Vh-Joint (Component Side)138
Schematic Diagrams (1/36)146
- Spk/Smps Unit (1/3)146
- Spk/Smps Unit (2/3)147
- Spk/Smps Unit (1/2)148
- P.amp Unit (1/3)149
- P.amp Unit (2/3)150
- P.amp Unit (3/3)151
- A.audio/Video Unit (1/7)152
- A.audio/Video Unit (2/7)153
- A.audio/Video Unit (3/7)154
- A.audio/Video Unit (4/7)155
- A.audio/Video Unit (5/7)156
- A.audio/Video Unit (6/7)157
- A.audio/Video Unit (7/7)158
- Network/Dsp Unit (1/9)159
- Network/Dsp Unit (2/9)161
- Network/Dsp Unit (4/9)162
- Network/Dsp Unit (3/9)163
- Network/Dsp Unit (6/9)164
- Network/Dsp Unit (7/9)165
- Network/Dsp Unit (5/9)166
- Network/Dsp Unit (8/9)167
- Network/Dsp Unit (9/9)167
- Digital Unit (1/14)168
- Digital Unit (2/14)169
- Digital Unit (3/14)170
- Digital Unit (4/14)171
- Digital Unit (5/14)172
- Digital Unit (6/14)173
- Digital Unit (7/14)174
- Digital Unit (8/14)175
- Digital Unit (9/14)176
- Digital Unit (10/14)177
- Digital Unit (11/14)178
- Digital Unit (12/14)179
- Digital Unit (13/14)180
- Digital Unit (14/14)181
Exploded View182
Parts List of Exploded View184
Packing View188
Parts List of Packing & Accessories188
Semiconductors190
- IC's190
- Fl Display236
Parts List of P.w.b. Unit238
- Spk/Smps Pwb Assy238
- P.amp Pwb Assy243
- Digital Pwb Assy252
- A.audio/Video Pwb Assy266
- Network/Dsp Pwb Assy272

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