Denon AVR-2803 Service Manual

19
19
AVR-2803/983/AVC-2870
68 P24 LEDCLK O C Z O/L O/L LEDcontrolpin(BU2090F)
69 P23 LEDDATA O C Z O/L O/L LEDcontrolpin(BU2090F)
70 P22 SMONI.DET I Lv Eu Z
I
O/L S‑monitorconnectiondetectinput(L:Connected)
71 P21 SSIG.DET I Lv Eu Z
I
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
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↓
&L Ed Z
I
I MAIN‑SUB µcomcomm.controlpin
75 P15/INT3 POWERKEY I E&L
I
O/L InterruptportforWAITmodecancel
76 P14/D12 RSPOWER O C Ed Z O/H O/L
SamelogicasPOWERport,
whenSTANDBYmode:H
77 P13/D11 RECINHA O C Z O/L O/L
WhenRECOUTselectisVCR1orVIDEOother
thanVCRsystem:H
78 P12/D10 SSELB I Lv Eu Z O/L O/L
Selectencoderrotationdetectinput(Rotary
encoder)
79 P11/D9 SSELA I Lv Eu
Eu
Eu
Z O/L O/L
Selectencoderrotationdetectinput(Rotary
encoder)
80 P10/D8 A+BLIMIT O
O
O
C
C
C
Z O/L O/L
SRROUNDAMPcurrentlimitercontrol,when
SURROUNDSPA+B:H
81 P07/D7 VIN2 Z O/L O/L
82 P06/D6 VIN1 Z O/L O/L COMPONENTVIDEOoutputswitching
COMPONENTVIDEOoutputswitching
83 P05/D5 VIDEOPOWER O C Z O/L O/L VIDEOpoweron/offswitching(H:ON)
84 P04/D4 12VTRIGER O C Z O/L O/L
SamelogicasPOWERport,
whenMAINZONEOFFmode:L
85 P03/D3 E.VOLSTBA O Z O/L O/L E-VRcontroloutput(TC9459)
86 P02/D2 RECINHB O C
C
Z O/L O/L WhenRECOUTselectisVCR1orVCR2:H
87 P01/D1 POWER O C Ed Z O/L O/L Powerrelaycontroloutput(H:ON)
88 P00/D0 STANDBY O C Eu Z O/L O/L StandbyLEDdriveoutput(H:Lighted)
89 P107/AN7 KEY1 I Lv Eu Z O/L O/L Buttoninput1
90 P106/AN6 KEY2 I Lv Eu Z O/L O/L Buttoninput2
91 P105/AN5 KEY3 I Lv Eu Z O/L O/L Buttoninput3
92 P104/AN4 STEREO I Lv Eu Z
I
O/L WhenTUNERFMstereoreceive:L
93 P103/AN3 TUNED I Lv Eu Z
I
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 AVSS AVSS ADGND
97 P100/AN0 MODE I Lv Z O/L O/L Destinationswitchinginput
98 VREF VREF ADref.+5V
99 AVCC AVCC AD+5V
100 P97/SIN4 PLLDATAOUT I Lv Z
I
O/L PLLserialdatainputpin(LC72131)
Pin
No.
PinName FunctionI/O
Symbol
Type
Det
Op
(Int.)
Op
(Ext.)
Res STBY Stop

Denon AVR-2803 Specifications

General

Power Output	90 W per channel (8 ohms, 20 Hz - 20 kHz, 0.05% THD)
Channels	7.1
Dolby Support	Dolby Digital, Dolby Pro Logic II
Digital Inputs	2 coaxial, 3 optical
Weight	14.5 kg
Type	AV Receiver
Output Power per Channel	90 W (8 ohms, 20 Hz - 20 kHz, 0.05% THD)
Frequency Response	10 Hz - 100 kHz (+1, -3 dB)
Input Sensitivity	200 mV
Input Impedance	47 kOhms
Total Harmonic Distortion	0.05%
Input Sensitivity/Impedance	200 mV / 47 kOhms
Tuner Frequency Range	FM: 87.5 - 108 MHz, AM: 522 - 1611 kHz
DTS Support	DTS, DTS-ES, DTS Neo:6
Outputs	Composite: 2, Component: 1
Video outputs	Composite: 2