Denon AVR-2803 Service Manual

15
15
AVR-2803/983/AVC-2870
Wave form
CH1: D-DATA
(IC513 (5) )
1
CH1: DATA
CH2: fs
CH3: 64fs
CH4: 256fs
3
CH1: DATA
CH2: fs
CH3: 64fs
2

INPUT
COAXIAL‑1
COAXIAL‑2
OPTICAL‑1
OPTICAL‑2
OPTICAL‑3
OPTICAL‑4
OPTICAL‑4
INPUT
IC513
IC520
DIR
SN74HC
LC89057W
RDATA(21)
SLRCK(23)
SBCK(22)
(4)RX2
RMCK(16)
RBCK(17)
RLRCK(20)
ADIN(24)
12.288MHz
(29)XIN
151APW
244APW
(64)SDOA
(38)SFS2
(39)SFS3
(07)SCLK2
(54)SCLK3
(50)SCLK0
(21)SCLK1
(20)SFS0
(52)SFS1
SD2A(37)
SD2B(22)
SD3A(23)
SD3B(08)
CODEC
Selector
ADSST‑MEL100
IC522
BUFFER
DSP
DATA
fs
fs
64fs
64fs
256fs
IC801
DSDATA1(41)
DSDATA2(42)
DSDATA3(43)
DSDATA4(44)
(38)DBCLK
(37)DLRCK
(46)ALRCK
(45)ABCLK
(49)ASDATA
(47)MCLK
AD1835
S MODE
2
I
IC509
74LVX
157MTC
(02)┳(03)
(05)┳(06)
(11)┳(10)
(14)┳(13)
(04)┛
(07)┛
(09)┛
(12)┛
IC804
GND
SN74LV
(2)‑‑(18)
(13)‑‑(7)
(11)‑‑(9)
(15)‑‑(5)
(17)‑‑(3)
(4)‑‑(16)
(6)‑‑(14)
(8)‑‑(12)
(3)
(2)
(12)(5)
(13)
(14)
(15)
SELECTOR
OUTPUT
OUTPUT
IC514
IC521
FCX0
SN74HC
151APW
(3)
(3)
‑03
(1)
(2)
(12)
(13)(5)
(14)
(15)
SELECTOR
1
2
2
3
3
CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK

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