Denon AVR-2803 Service Manual

25
25
AVR-2803/983/AVC-2870
AD1835(AD:IC509)
PIN FUNCTION DESCRIPTIONS
Input/
Pin Number Mnemonic Output Description
1, 39 DVDD Digital Power Supply. Connect to digital 5 V supply.
2 CLATCH I Latch Input for Control Data
3 CIN I Serial Control Input
4 PD/RST I Power-Down/Reset
5, 10, 16, 24, 30, 35 AGND Analog Ground
6, 12, 25, 31 OUTLNx O DACx Left Channel Negative Output
7, 13, 26, 32 OUTLPx O DACx Left Channel Positive Output
8, 14, 27, 33 OUTRNx O DACx Right Channel Negative Output
9, 15, 28, 34 OUTRPx O DACx Right Channel Positive Output
11, 19, 29 AVDD Analog Power Supply. Connect to analog 5 V supply.
17 FILTD Filter Capacitor Connection. Recommended 10 µF/100 nF.
18 FILTR Reference Filter Capacitor Connection. Recommended 10 µF/100 nF.
20 ADCLN I ADC Left Channel Negative Input
21 ADCLP I ADC Left Channel Positive Input
22 ADCRN I ADC Right Channel Negative Input
23 ADCRP I ADC Right Channel Positive Input
36 M/S I ADC Master/Slave Select
37 DLRCLK I/O DAC LR Clock
38 DBCLK I/O DAC Bit Clock
40, 52 DGND Digital Ground
41–44 DSDATAx I DACx Input Data (Left and Right Channels)
45 ABCLK I/O ADC Bit Clock
46 ALRCLK I/O ADC LR Clock
47 MCLK I Master Clock Input
48 ODVDD Digital Output Driver Power Supply
49 ASDATA O ADC Serial Data Output
50 COUT O Output for Control Data
51 CCLK I Control Clock Input for Control Data
1
2
3
4
5
6
7
8
9
10
11
12
13
AGND
AVDD
OUTRP2
OUTRN2
OUTLP2
OUTLN2
OUTRP1
OUTRN1
OUTLP1
OUTLN1
PD/RST
CIN
CLATCH
DVDD
OUTLN3
OUTLP3
OUTRN3
OUTRP3
OUTLN4
OUTLP4
OUTRN4
OUTRP4
AGND
DLRCLK
DBCLK
DGND
14 15 16 17 18 19 20 21 22 23 24 25 26
27
28
29
30
31
32
33
34
35
36
37
38
39
52
51
50 49
48
47 46 45 44 43 42 41 40
FILTD FILTR
AGND
M/S
AGND
AVDD
ADCLN
ADCLP
ADCRN
ADCRP
AGND
AGND
DGND CCLK COUT ASDATA ODVDD MCLK ALRCLK ABCLK DSDATA4 DSDATA3 DSDATA2 DSDATA1
DVDD
AVDD
AD1835
TOP VIEW
(Not to Scale)
NC ⴝ NO CONNECT

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