Denon AVR-2803 Service Manual

20
20
AVR-2803/983/AVC-2870
TMP91CP27(AD:IC806)
TMP91CP27TerminalFunction
P62/SI/SCL 58
P61/SO/SDA 57
P51/AN1 61
P50/AN0 60
P63/INT0 59
AVCC 64
P53/AN3/ADTRG 63
P52/AN2 62
P71/TA1OUT 3
P70/TA0IN 2
Top view

FP64
AVSS 1
P74/TA5OUT 6
P73/TA4IN 5
P72/TA3OUT 4
P82/TB0OUT0 9
P81/TB0IN1/INT6 8
P80/TB0IN0/INT5 7
P91/RXD0 12
P90/TXD0 11
P83/TB0OUT1 10
P94/RXD1 15
P93/TXD1 14
P92/SCLK0/CTS0 13
P95/SCLK1/CTS1 16
AM0 17
DVSS 20
X2 19
DVCC 18
RESET 23
AM1 22
X1 21
P96/XT1 24
54 P41/CS1
55 P42/CS2
56 P60/SCK
53 P40/CS0
49 P25/A5/A21
50 P30/RD
51 P31/WR
52 P32/HWR
45 P21/A1/A17
46 P22/A2/A18
47 P23/A3/A19
48 P24/A4/A20
41 P15/AD13/A13
42 P16/AD14/A14
43 P17/AD15/A15
44 P20/A0/A16
37 P11/AD9/A9
38 P12/AD10/A10
39 P13/AD11/A11
40 P14/AD12/A12
33 P05/AD5
34 P06/AD6
35 P07/AD7
36 P10/AD8/A8
31 P03/AD3
30 P02/AD2
32 P04/AD4
28 P00/AD0
27 ALE
29 P01/AD1
25 P97/XT2
26 NMI
Pin
No.
PinName FunctionI/O
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Symbol
Type
Det
Op
(Int.)
Op
(Ext.)
Res
ADGND
Digitalpoweron/offswitching(H:ON)
IVAMPgaincontroloutput(Sub‑wooferon:L)
DigitalRECOUTswitching
DigitalRECOUTswitching
ADC/DIRdata,clockswitchingcontrolpin(L:ADC)
DIRcontrolpin(LC89057W‑E)
CODECcontrolpin(AD1835)
Popnoisepreventivemutecontroloutput(L:Mute)
Digitalmutecontroloutput,whenAC‑3orDTSdecodeenable:L
MAIN‑SUBµcomcomm.controlpin(Dataoutput)
MAIN‑SUBµcomcomm.controlpin(Datainput)
Notused
Datatransferoutputtooutside
Datareceiveinputfromoutside
MAIN‑SUBµcomcomm.controlpin(Comm.RequestfromSUB‑µcom:L)
Operationmode(FixedtoH)
+3V
Oscillatorconnection
GND
Oscillatorconnection
Operationmode(FixedtoH)
Resetinput
Notused
Notused
AVSS AVSS































P70/TA0IN DIGITALPOWER
O
CEd
Z
P71/TA1OUT
FGAIN
O
CEd
Z
P72/TA3OUT
DRECA
O
C
Z
P73/TA4IN
DRECB
O
C
Z
P74/TA5OUT uSELCK
O
C
Z
P80/TB0IN0/INT5
INT1
I
E↓&L
Eu
Z
P81/TB0IN1/INT6 CDATAIN
O
C
Z
P82/TB0OUT0
uERRMUTE
O
C
Z
P83/TB0OUT1 uBSE(AC3MUTE)
O
C
Z
P90/TXD0
MISO
O
CEd
Z
P91/RXD0 MOSI
I
Ed
Z
P92/SCLK0/CTS0
Notused
I
Ed
Z
P93/TXD1 TxD
O
C
Z
P94/RXD1
RxD
ILv
Ed
Z
P95/SCLK1/CTS1
REQ
O
C
Ed
Z
AM0
AM0
I
DVCC
DVCC
X2
XOUT
O
DVSS
DVSS
X1
XIN
I
AM1
AM1
I
RESET
RESET
I
Lv
Eu
L
P96/XT1
Notused
I
NEd
Z
P97/XT2
Notused
I
N
Ed
Z
26
27
28
29
30
NMI NMI I FixedtoH
ALE ALE O Z Open
P00/AD0 I/O1 I/O C Z DSPcomm.pin(ADSP21161N:D16)
P01/AD1 I/O2 I/O C Z DSPcomm.pin(ADSP21161N:D17)
P02/AD2 I/O3 I/O C Z DSPcomm.pin(ADSP21161N:D18)








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