Denon AVR-2808, Service Manual

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60
AVR-2808
16 VCC VCC - - - - - - - - POWER 5V
17 P85/NMI NMI I - - - - - - - 5V
18 P84/INT2 PROTECTION I - E ↓ &L - Eu Z I I PROTECTION SIGNAL INPUT
19 P83/INT1 POWERKEY I - Lv - Eu Z I I MAIN POWER relay control output
20 P82/INT0 REMOTEDET I - Lv - Ed - O/L O/L ROOM TO ROOM Signal detect pin (Detected : H)
21 P81 ISELB I - - - Eu Z O/L O/L Input selector rotation detect input (Rotary encoder)
22 P80 VSELA I - - - Eu Z O/L O/L Master Volume rotation detect input (Rotary encoder)
23 P77 U1LED O C - - - Z O/L O/L USER LED1
24 P76 U3LED O C - - - Z O/L O/L USER LED3
25 P75 - O C - - - Z I O/L Not used
26 P74 U2LED O C - - - Z O/L O/L USER LED2
27 P73/CTS2 VOLDATA O C - - - Z O/L O/L Volume control pin
28 P72/CLK2 VOLCLK O C - - - Z O/L O/L Volume control pin
29 P71/RXD2 RXDMIXO I - - - Ed Z I O/L XM RADIO control pin
30 P70/TXD2 TXDMOXMI O N - - Eu Z O/L O/L XM RADIO control pin
31 P67/TXD1 MO232CI O C - - - Z O/L O/L RS232C SIGNAL OUTPUT
32 P66/RXD1 MI232CO I - - - Ed Z I O/L RS232C SIGNAL INPUT
33 P65/CLK1 EXPCLK O C - - - Z O/L O/L Extended IC control pin
34 P64/CTS1 EXPDATA O C - - - Z O/L O/L Extended IC control pin
35 P63/TXD0 MOIPI O C - - - Z O/L O/L iPod control pin
36 P62/RXD0 MIIPO I - - - Ed Z I O/L iPod control pin
37 P61/CLK0 VSELB I - - - Eu Z O/L O/L Master Volume rotation detect input (Rotary encoder)
38 P60/CTS0 ISELA I - - - Eu Z O/L O/L Input selector rotation detect input (Rotary encoder)
39 P57 REDLED O C - - - Z O/H O/L STBY LED RED CONTROL
40 P56 FL̲CE1 O C - - Z O/L O/L FLD DRIVER control pin
41 P55/EPM FRASH CE/FL̲CLK O C - - - Z O/L O/L Rewrite boot program start : L input set
/FLD DRIVER control pin
42 P54 M232CPOWER O C - - Ed Z O/L O/L RS232C POWER control pin (STANDBY:H)
43 P53 - O - - - ー Z O/L O/L -
44 P52 - O - - - ー Z O/L O/L -
45 P51 TRIGGER1 O C - - - - O/L O/L TRIGGER OUT 1 control pin
46 P50/CE FRASH CE/TRIGGER2 O C - - - Z O/L O/L Rewrite boot program start : H input set/TRIGGER OUT
2 control pin
47 P47 RDSDOUT I - - - Eu Z O/L O/L RDS DETECT IN control pin
48 P46 TURDSCLK(CKTU) O C - - - Z O/L O/L TUNER/RDS CLOCK OUT
49 P45 TURDSDATA
（DATATU)
O C - - - Z O/L O/L RDS DATA OUT control pin
50 P44 RDSCE O C - - - Z O/L O/L TUNER MUTE control (MUTE : L)
51 P43 RDSRST O C - - - Z O/L O/L RDS reset output
52 P42 THERMAL I - - - Ed Z O/L O/L Temperature detect
53 P41 EXPOE O C - - - Z O/L O/L Extended IC control pin
54 P40 EXPSTB O C - - - - O/L O/L Extended IC control pin
55 P37 TUDOUT(DATAOUT) I - Lv - Ed - O/L O/L TUNING DATA INPUT control pin
56 P36 TUSTB O C - - - Z O/L O/L MUTE CONTROL
57 P35 STEREO I - Lv - Eu - O/L O/L When TUNER FM stereo receive : L
58 P34 TUNED I - Lv - Eu - O/L O/L TUNER turned detect (Detected : L)
59 P33 IPDET I - Lv - Eu Z O/L O/L MINI JACK connected detection pin for DOCK
connection (H:DETECTIVE)
60 P32 REMOTEPOWER O - - - - - O/L O/L REMOTE POWER control pin (ON : H)
61 P31 TRIGPROTECT Ｏ/L - - - Eu Z O/L O/L TRIGGER PROTECTION detect port (Not used)
62 VCC VCC - - - - - - - - +5V
63 P30 VOLPROTECT I - E ↑ &H - Eu Z O/L O/L Voltage detection control pin
64 VSS VSS - - - - - - - - GND
65 P27 B.D.CONTORL O C - - - Z O/L O/L B.DOWN detect value change control pin (from CPU/E
POWER ON after 15ms ON)
66 P26 SCPUPOWER O C - - - Z O/L O/L SUB CPU POWER ON/OFF switcing (H : ON)
67 P25 XMPOWER O C - - - Z O/L O/L XM RADIO POWER control pin
68 P24 POWER O C - - Ed Z O/L O/L MAIN POWER relay control output (ON : H)
69 P23 CPU/EPOWER O C - - Ed Z O/L O/L MAIN CPU POWER control pin (POWER ON : H)
70 P22 LIMIT O C - - - Z O/L O/L LIMIT control
71 P21 A+BLIMIT O C - - - Z O/L O/L A+B LIMIT control (FRONT SPEAKER A+B : H)
72 P20 7CHLIMIT O C - - - Z I I Not used
73 P17/INT5 REMOCOM I - E ↑ &H - Ed Z I I Remote control signal input
74 P16/INT4 REQSOMIm I - E ↓ &L - Ed Z I O/L MAIN-SUB μcom comm. control pin
75 P15/INT3 B.DOWN I - E ↓ &L - Eu Z I I Power down detect (Power down : L)
76 P14/D12 - O - - - - Z O/L O/L Not used
77 P13/D11 LIMITDET I - Lv - Eu Z O/L O/L Signal detect input (Detected : H)
Pin Pin Name Symbol I/O Type Det
Op
(Int.)
Op
(Ext.)
Res Stby Stop Function