Denon AVR-2803 Service Manual

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AVR-2803/983/AVC-2870
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Pin
No.
PinName FunctionI/O
Symbol
Type
Det
Op
(Int.)
Op
(Ext.)
Res
P03/AD3 I/O4 I/O C Z DSPcomm.pin(ADSP21161N:D19)
P04/AD4 I/O5 I/O C Z DSPcomm.pin(ADSP21161N:D20)
P05/AD05 I/O6 I/O C Z DSPcomm.pin(ADSP21161N:D21)
P06/AD06 I/O7 I/O C Z DSPcomm.pin(ADSP21161N:D22)
P07/AD07 I/O8 I/O C Z DSPcomm.pin(ADSP21161N:D23)
P10/AD8/A8 ROMRST1 O C Ed Z MemoryresetforDSP(Reset:L)
P11/AD9/A9 DSP1RS O C Ed Z DSPresetoutputpin(Reset:L)
P12/AD10/A10 DSPI/0POWER O C Eu Z Poweron:L(10mslateronafterdigitalpoweron)
P13/AD11/A11 DSPOSCON O C Z ON:H(20mslateronafterdigitalpoweron)
P14/AD12/A12 IRQ1B1(DSPREQ1) O C Z
DSP(ADSP21161L‑A:IRQ1)hostI/Finterruptrequestoutput,REQ:L
P15/AD13/A13 DINA O C Z Digitalinputswitching
P16/AD14/A14 DINB O C Z Digitalinputswitching
P17/AD15/A15 DINC O C Z Digitalinputswitching
P20/A0/A16 CLATCH O C Z CODECcontrolpin(AD1835:Chipselect)
P21/A1/A17 CODECCLK O C Z DACcontrolpin(AD1835)
P22/A2/A18 DAC‑RESET1 O C Z CODECcontrolpin(L:Powerdownmode,↑:Reset,H:Normal)
P23/A3/A19 CODECDOUT I C Z CODECcontrolpin(AD1835)
P24/A4/A20 Notused Ｉ Ed Z Notused
P25/A5/A21 DRECC O C Z DigitalRECOUTswitching
P30/RD/BOOT BOOT I Eu Z WithLinputsetduringreset,rewritebootprogramstart
P31/WR FLAG0A(WRITE1) O C Eu Z DSPcomm.controlpin(DATAWRITE:H)
P32/HWR DSPBOOT I Eu Z DSPorSUBrewritebootprogram(WhenDSPrewriteLinput)
P40/CS0 X'TALRST O C Z WhenclockoscillationstopforDIR:L
P41/CS1 DIRCE O C Z DIRcontrolpin(LC89057W‑E)chipenableoutput
P42/CS2 DIRRST O C Ed Z DIRcontrolpin(LC89057W‑E)reset:L
P60/SCK DIRCLK O C Z DIRcontrolpin(LC89057W‑E)clockoutput
P61/SO/SDA DIRDIN O C Z DIRcontrolpin(LC89057W‑E)dataoutput
P62/SI/SCL DIRDOUT I Eu Z DIRcontrolinputpin(LC89057W‑E)datainput
P63/INT0 ACK I
E↓&L
Ed Z
MAIN‑SUBµcomcomm.controlinputpin(AckLreturnfromMAIN
P50/AN0 FLAG1A(DSPACK1) I
Lv
Eu Z DSPhostI/Fcomm.responseinput(OK:L)
P51/AN1
FLAG2A(BUSY1)
I
Lv
Eu Z DSPoperationcheckflag(ADSP21161L‑A:FLAG2A)Normal:L
P52/AN2 FLAG3A I
Lv
Eu Z SpecialflagforROMupdate(ADSP21161L‑A:FLAG3A)
P53/AN3/ADTRG B.DOWN I
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Lv
Eu Z Powerdowndetect(Powerdown:L)
AVCC AVCC AD+3V
Note: Pin No. : Terminal number of microcomputer.
Port Name : The name entered in the data sheet of microcomputer.
Symbol : Symbolized interface function.
I/O : Input or out of part.
“I” = Input port
“O” = Output port
Type : Composition of port in case of output port.
“C” = CMOS output
“N” = NMOS open drain output
“P” = PMOS open drain output
Op : Pull up/Pull down selection information.
“Iu” = Inner microcomputer pull up
“Id” = Inner microcomputer pull down
“Eu” = External microcomputer pull up
“Ed” = External microcomputer pull down
Det : Indicates judging state of input port. Level detection is “LV”; Edge detection is “Ed”; Detection by both shifting is “E&L”;
Serial data detection is “S” (Serial data output is also “S”).
Res : State at reset.
“H” = Outputs High Level at reset
“L” = Outputs Low Level at reset
“Z” = Becomes High impedance mode at reset
STBY : State of port when STANDBY mode.
“O/L” = Output port and “L”
“I” = Input port
Stop : State of port when Stop mode.
“O/L” = Output port and “L”
“I” = Input port

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