Name: Denon AVR-4520CI
Brand: Denon
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(5) Cut the wire clamp band, then disconnect the connector wires.

NOTE

DOOR is working ina fully open state.

N802

N803

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

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

Brand	Denon
Model	AVR-4520CI
Category	Receiver
Language	English

Denon AVR-4520CI Service Manual

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