Denon AVR-3805 Service Manual

Also see for AVC-3890: Control protocol Service manual

Contents

2222AVR-3805 / AVC-3890268 P24 GRN LED O C    Z O/L O/L LED control pin69 P23 FL CE2 O C    Z O/L O/L FL tube control pin (LC75721E)70 P22 S MONI. DET I  Lv  Eu Z O/L O/L S-monitor connection detect input (L: Connected)71 P21 S SIG. DET I  Lv  Eu Z O/L O/L S-signal detect input (H: S-signal inputted)72 P20 SYNC. DET I  Lv  Eu Z I I Sync. detect input (H: Ext. synchronized)73 P17/INT5 RDS DATAOUT I  E↓&L   I O/L RDS data input (LC72720)74 P16/INT4 REQ I  E↓&L  Ed Z I I MAIN-SUB μcom comm. control pin75 P15/INT3 POWER KEY I  E↓&L   I O/L Interrupt port for WAIT mode cancel76 P14/D12 RSPOWER O C   Ed Z O/H O/L Same logic as POWER port,when STANDBY mode: H77 P13/D11 RECINHA O C    Z O/L O/L When RECOUT select is VCR1 or VIDEO otherthan VCR system: H78 P12/D10 NC O C − − − Z O/L O/L Not used79 P11/D9 NC O C − − − Z O/L O/L Not used80 P10/D8 A+B LIMIT O C    Z O/L O/L SRROUND AMP current limiter control, whenSURROUND SP A+B: H81 P07/D7 VSIGDET I     Z O/L O/L VIDEO signal detect port82 P06/D6 COMPSIGDET I     Z O/L O/L COMPONENT signal detect port83 P05/D5 VIDEO POWER O C    Z O/L O/L VIDEO power on/off switching (H: ON)84 P04/D4 TRIGER SW 1 O C    Z O/L O/L TRIGGER SW 1 control pin85 P03/D3 E.VOL STBA O C    Z O/L O/L E-VR control output (TC9459N)86 P02/D2 RECINHB O C    Z O/L O/L When RECOUT select is VCR1 or VCR2: H87 P01/D1 POWER O C   Ed Z O/L O/L Power relay control output (H: ON)88 P00/D0 RED LED O C   Eu Z O/L O/L LED control pin89 P107/AN7 KEY1 I  Lv  Eu Z O/L O/L Button input 190 P106/AN6 KEY2 I  Lv  Eu Z O/L O/L Button input 291 P105/AN5 KEY3 I  Lv  Eu Z O/L O/L Button input 392 P104/AN4 STEREO I  Lv  Eu Z O/L O/L When TUNER FM stereo receive: L93 P103/AN3 TUNED I  Lv  Eu Z O/L O/L TUNER tuned detect (L: Tuned)94 P102/AN2 RDS CE O C    Z O/L O/L RDS data output (LC72720)95 P101/AN1 RDS RESET O C    Z O/L O/L RDS reset output (LC72720)96 AV SS AVSS         AD GND97 P100/AN0 MODE I  Lv   Z O/L O/L Destination switching input98 V REF VREF         AD ref. +5V99 AV CC AVCC         AD +5V100 P97/SIN4 PLL DATAOUT I  Lv   Z I O/L PLL serial data input pin (LC72131)PinNo. Pin Name FunctionI/OSymbol Type Det Op(Int.)Op(Ext.) Res STBY Stopwww. xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com