Denon AVR-2312 - AK4424 ET (HDMI: IC455,IC457); AK4424 ET Block Diagram

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AK4424ET(HDMI:IC455,IC457)

AK4424ET Block Diagram

Table of Contents

Default Chapter2
- Table of Contents2
Safety Precautions3
Note for Schematic Diagram4
Technical Specifications5
Dimension5
Cautions in Servicing6
- Initializing INTEGRATED NETWORK AV RECEIVER6
- Service Jig6
Disassembly7
- Front Panel Assy9
- Heat Sink Assy10
- Hdmi Unit Assy12
- Trans Main15
Special Mode16
- Special Mode Setting Button16
- Μcom/Dsp Version Display Mode17
- Errors Checking Mode (Displaying the Protection History)20
- Remote ID Setup Mode22
Protection Diagram23
- Diagnostic Mode24
- (Video/Audio (Signal) Path Confirmation Mode)24
Block Diagram29
Jig for Servicing59
When the Microprocessor Is Replaced with a New One63
Procedure for Upgrading the Version of the Firmware63
Adjustment70
Surround Modes and Parameters71
Trouble Shooting75
- Power75
- Analog Video76
- Hdmi/DVI82
- Audio91
- Network/Usb94
- Smps97
Clock Flow & Wave Form in Digital Block100
Laevel Diagram101
Printed Wiring Boards107
- 7Ch Amp (Component Side)107
- 7Ch Amp (Foil Side)107
- Spms (Component Side)108
- Smps (Foil Side)108
- Spk_Preout (Component Side)109
- Spk_Preout (Foil Side)110
- Input (Component Side)111
- Input (Foil Side)112
- Fuse (Component Side)113
- Rs232C_Cnt (Component Side)113
- Fuse (Foil Side)113
- Rs232C_Cnt (Foil Side)113
- Posistor (Component Side)113
- Posistor (Foil Side)113
- Front (Component Side)114
- V.aux (Foil Side)114
- Front (Foil Side)114
- V.aux (Component Side)114
- Hdmi Ffc (Component Side)115
- Guide Top (Component Side)115
- Guide L (Component Side)115
- Hdmi Ffc (Foil Side)115
- Guide Top (Foil Side)115
- Guide L (Foil Side)115
- Usb (Component Side)115
- Hp (Component Side)115
- Guide R (Component Side)115
- Usb (Foil Side)115
  - Selector (Component Side)116
  - Rs232C (Component Side)116
  - Selector (Foil Side)116
  - Rs232C (Foil Side)116
  - Side_Cnt (Component Side)117
  - Side_Cnt (Foil Side)117
  - Video (Component Side)118
  - Video (Foil Side)119
  - Front Cnt (Component Side)120
  - Front Cnt (Foil Side)121
  - Hdmi (Component Side)122
  - Hdmi (Foil Side)123
Schematic Diagrams124
- Usb Unit124
- Front Unit124
- Amp Unit (1/2)125
- Amp Unit (2/2)126
- Spk/Preout/Reg Unit (1/4)127
- Spk/Preout/Reg Unit (2/4)128
- Spk/Preout/Reg Unit (3/4)129
- Front_Cnt Unit130
- Cnt/Rs232C Unit (1/4)131
- Cnt/Rs232C Unit (2/4)132
- Cnt/Rs232C Unit (3/4)133
- Cnt/Rs232C Unit (4/4)134
- Input Unit135
- Video Unit136
- Smps Unit137
- Digital Unit (1/16)138
- Digital Unit (2/16)139
- Digital Unit (3/16)140
- Digital Unit (4/16)141
- Digital Unit (5/16)142
- Digital Unit (6/16)143
- Digital Unit (7/16)144
- Digital Unit (8/16)145
- Digital Unit (9/16)146
- Digital Unit (10/16)147
- Digital Unit (11/16)148
- Digital Unit (12/16)149
- Digital Unit (13/16)150
- Digital Unit (14/16)151
- Digital Unit (15/16)152
- Digital Unit (16/16)153
Wiring Diagram154
Exploded View155
Parts List of Exploded View157
Packing View160
Parts List of Packing & Accessories160
Semiconductors162
- IC's162
- Fl Display193
Parts List of P.C.b. Unit195
- Pcb Input Assy195
- Pcb Front Assy197
- Pcb 7Ch Amp Assy200
- Pcb Main Assy207
- Pcb Cnt Assy211
- Pcb Video Assy213
- Pcb Hdmi Ass'y215
- Pcb Smps Assy224

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