Denon AVR-2803 Service Manual

18
18
AVR-2803/983/AVC-2870
22 P80 VSELB I Lv Eu Z I O/L MasterVRrotationdetectinput(Rotaryencoder)
23 P77 FUNCSTB1 O C Z O/L O/L
STBoutputforfunctionswitchingcontrol
(L‑chINPUT&REC/M‑ZONEside,EXTIN)
24 P76 FUNCCLK O C Z O/L O/L CLKoutputforfunctionswitchingcontrol
25 P75 FUNCDATA O C Z O/L O/L DATAoutputforfunctionswitchingcontrol
26 P74 FUNCSTB2 O C Z O/L O/L
STBoutputforfunctionswitchingcontrol
(R‑chINPUT&REC/M‑ZONE)
27 P73/CTS2 FLDATA O C Z O/L O/L FLtubecontrolpin(LC75721E)
28 P72/CLK2 FLCLK O C Z O/L O/L FLtubecontrolpin(LC75721E)
29 P71/RXD2 H/PDET I Z O/L O/L H/Pdetectinput(Detected:H)
30 P70/TXD2 TUNERPOWER O N Eu Z O/L O/L TUNERpoweron/offswitching(H:ON)
31 P67/TXD1 TxD O C Z O/L O/L Datatransferpintooutside
32 P66/RXD1 RxD I Lv Z I I Datareceivepinfromoutside
33 P65/CLK1 RESET2 O C Ed Z O/L O/L SUB‑ µcomresetoutput
34 P64/CTS1 ACK O C Ed Z O/L O/L MAIN‑SUB µcomcomm.controlpin
35 P63/TXD0 MOSI O C Ed Z O/L O/L MAIN‑SUB µcomcomm.controlpin
36 P62/RXD0 MISO I Lv Ed
Ed
Z I I MAIN‑SUB µcomcomm.controlpin
37 P61/CLK0 NotUsed(CLK) O C Z O/L O/L Notused
38 P60/CTS0 E.VOLSTB O C Z O/L O/L E‑VRcontroloutput(TC94A32F)
39 P57 E.VOLCLK O C Z O/L O/L E‑VRcontroloutput(TC94A32F,TC9459)
40 P56 E.VOLDATA O C Z O/L
O/L
O/L
O/L E‑VRcontroloutput(TC94A32F,TC9459)
41 P55/EPM FRASHEPM I Lv Z I I Rewritebootprogramstart:Linputset
42 P54 NotUsed
NotUsed
C Z O/L OPEN
OPEN
43 P53 C Z O/L
44 P52 FLRST O
O
O
C Z O/L O/L FLtubecontrolpin(LC75721E)
45 P51 FLCE O C Z O/L O/L FLtubecontrolpin(LC75721E)
46 P50/CE FRASHCE I Z I I Rewritebootprogramstart:Hinputset
47 P47 V.EXPCLK O C Z O/L O/L
CLKoutputforvideoswitchingexpandercontrol
(BU4094B)
48 P46 V.EXPDATA O C Z O/L O/L
DATAoutputforvideoswitchingexpandercontrol
(BU4094B)
49 P45 V.EXPOE O C Ed
Ed
Ed
Ed
Z O/L O/L
OEoutputforvideoswitchingexpandercontrol
(BU4094B)
50 P44 V.EXPSTB O C Z O/L O/L
STBoutputforvideoswitchingexpandercontrol
(BU4094B)
51 P43 H/PRELAY O C Z O/L O/L H/Prelaycontrol(H:ON)
52 P42 SBACKRELAY O C Z O/L O/L RelaycontrolforSURROUNDBACKSP
53 P41 FA‑RELAY O C Z O/L O/L RelaycontrolforFRONTASP
54 P40 FB‑RELAY O C Z O/L O/L RelaycontrolforFRONTBSP
55 P37 C‑RELAY O C Z O/L O/L RelaycontrolforCENTERSP
56 P36 S‑RELAY O C  Z O/L O/L RelaycontrolforSURROUNDSP
57 P35 PREFMUTE O C Z O/L O/L FRONTPREOUToutputmutingcontrol,L:Muting
58 P34 PRECMUTE O C Z O/L O/L
CENTERPREOUToutputmutingcontrol,
L:Muting
59 P33 PRESMUTE O C Z O/L O/L
SURROUNDPREOUToutputmutingcontrol,
L:Muting
60 P32 PRESBMUTE O C Z O/L O/L
SURROUNDBACKPREOUToutputmuting
control,L:Muting
61 P31
SUBWOOFERMUTE O Z O/L O/L
SUBWOOFERPREOUToutputmutingcontrol,
L:Muting
62 V CC VCC +5V
63 P30 MULTIMUTE O C
C
Z O/L O/L Pin‑jackoutputmutingcontrolofMULTI,L:Muting
64 V SS VSS GND
65 P27 VOLMUTE O C Z O/L O/L POWERAMPinputmutingcontrol,L:Muting
66 P26
S.BACKVOLMUTE O Z O/L O/L
SURROUNDBACKPOWERAMPinputmuting
control,L:Muting
67 P25 TUNERMUTE O C
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C
Z O/L O/L TUNERmutingcontrol
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