Denon AVR-2803 Service Manual

17
17
AVR-2803/983/AVC-2870
SEMICONDUCTORS
OnlymajorIC'sareshown,generalIC'setc.areomittedtolist.
主な半導体を記載しています。汎用の半導体等は記載を省略しています。
●IC's
Note:AbbreviationaheadofICNo.indicatesthenameofP.W.B.,etc.
注 ) : IC No. の前の記号は、基板の名称を表します。
PO:PowerP.W.B.AD:Audio/DigitalP.W.B.
CV:Connect/VideoP.W.B.DS:DSPP.W.B.
CO:ControlP.W.B.CD:Comp.D4P.W.B.(ForJapan)
AC:AmpConnectP.W.B.MA:MainSubAss'y
M30624MGA-189FP(CO:IC506)
M30624MGA-189FPTerminalFunction
1
30
31 50
100 81
51
80
TOP VIEW
Pin
No.
PinName FunctionI/O
1 P 96/SOUT4 PLRDSDATA O C Z O/L O/L PLL&RDScontrolpin(LC72131&LC72720)
2 P95/CLK4 PLRDSCLK O C Z O/L O/L PLL&RDScontrolpin(LC72131&LC72720)
3 P94/TB4 PLLSTB O C Z O/L O/L PLLcontrolpin(LC72131)
4 P93/TB3 OSDRST O C Z O/L O/L OSDcontrolpin(M35015)
5 P 92/SOUT3 OSDDATA O C Z O/L O/L OSDcontrolpin(M35015)
6 P91/SIN3 OSDSTB O C Z O/L O/L OSDcontrolpin(M35015)
7 P90/CLK3 OSDCLK O C Z O/L O/L OSDcontrolpin(M35015)
8 BYTE BYTE GND(Ext.databusbitwidthswitching,16bit:L)
9 CNVCS CNVSS
Single‑chip/Micro‑processormodeswitching
(Normalsingle‑chip:L,Rewritebootprogramstart:
Hinputset)
10 P87 ISELB I
Lv  Eu Z O/L O/L
Inputselectorrotationdetectinput
(Rotaryencoder)
11 P86 ISELA I
Lv  Eu Z O/L O/L
Inputselectorrotationdetectinput
(Rotaryencoder)
12 RESET RESET I Lv  Eu L I I Resetinput
13 XOUT X1 O




Oscillatorconnection
14 V SS VSS GND
15 XIN X2 I  I I Oscillatorconnection
16 V CC VCC +5V
17 P85/NMI NMI I 









 











 

 



 Notused(FixedtoH)
18 P84/INT2 B.DOWN I E&L Eu Z I I Powerdowndetect(Powerdown:L)
19 P83/INT1 PROTECT I E&L Ed Z I I Protectiondetectinput(Detected:L)
20 P82/INT0 REMOCON I E ↑
↓
↓
&L Z I I Remotecontrolsignalinput
21 P81 VSELA I Lv Eu Z I O/L MasterVRrotationdetectinput(Rotaryencoder)
Symbol
Type
Det
Op
(Int.)
Op
(Ext.)
Res STBY Stop

Denon AVR-2803 Specifications

General

Brand	Denon
Model	AVR-2803
Category	Stereo Receiver
Language	English