Denon AVR-1909 Service Manual page 40

Pin Pin Name Symbol
16 VCC VCC
17 P85/NMI NMI
18 P84/INT2 PROTECTION
19 P83/INT1 POWERKEY
20 P82/INT0 REMOTEDET
21 P81 ISELB
22 P80 VSELA
23 P77 SSELA
24 P76 -
25 P75 HD AUDIO LED
26 P74 SSELB
27 P73/CTS2 VOLDATA
28 P72/CLK2 VOLCLK
29 P71/RXD2 RXDMIXO
30 P70/TXD2 TXDMOXMI
31 P67/TXD1 MO232CI
32 P66/RXD1 MI232CO
33 P65/CLK1 EXPCLK
34 P64/CTS1 EXPDATA
35 P63/TXD0 MOIPI
36 P62/RXD0 MIIPO
37 P61/CLK0 VSELB
38 P60/CTS0 ISELA
39 P57 REDLED
40 P56 FL_CE1
41 P55/EPM FRASH CE/FL_CLK
42 P54 M232CPOWER
43 P53 DYN GRN LED
44 P52 DYN RED LED
45 P51 TRIGGER1
46 P50/CE FRASH CE
47 P47 RDSDOUT
48 P46 TURDSCLK(CKTU)
49 P45 TURDSDATA(DATATU)
50 P44 RDSCE
51 P43 RDSRST
52 P42 THERMAL
53 P41 EXPOE
54 P40 EXPSTB
55 P37 TUDOUT(DATAOUT)
56 P36 TUSTB
57 P35 STEREO
58 P34 TUNED
59 P33 IPDET
60 P32 REMOTEPOWER
61 P31 232C CONTROL
62 VCC VCC
63 P30 VOLPROTECT
64 VSS VSS
65 P27 PRE POWER
66 P26 SCPUPOWER
67 P25 XMPOWER
68 P24 POWER
69 P23 CPU/EPOWER
70 P22 LIMIT
71 P21 -
72 P20 -
73 P17/INT5 REMOCOM
74 P16/INT4 REQSOMIm
75 P15/INT3 B.DOWN
76 P14/D12 RST SUB
Op Op
I/O Type Det
(Int.) (Ext.)
- - - - -
I - - - -
I - - Eu
E &L
I - Lv - Eu
I - Lv - Ed
I - - - Eu
I - - - Eu
I - - - Eu
O C - - -
O C - - -
I - - - Eu
O C - - -
O C - - -
I - - - Ed
O N - - Eu
O C - - -
I - - - Ed
O C - - -
O C - - -
O C - - -
I - - - Ed
I - - - Eu
I - - - Eu
O C - - -
O C - -
O C - - -
O C - - Ed
O C - - -
O C - - -
O C - - -
O C - - -
I - - - Eu
O C - - -
O C - - -
O C - - -
O C - - -
I - - - Ed
O C - - -
O C - - -
I - Lv - Ed
O C - - -
I - Lv - Eu
I - Lv - Eu
I - Lv - Eu
O C - - -
O C - - Ed
- - - - -
I - - Eu
E &H
- - - - -
O C - - -
O C - - -
O C - - -
O C - - Ed
O C - - Ed
O C - - -
O C - - -
O C - - -
I - - Ed
E &H
I - - Ed
E &L
I - - Eu
E &L
O C - - -
40
AVR-1909/789, AVC-1909
Res Stby Stop
- - - POWER 5V
- - - 5V
Z I I PROTECTION SIGNAL INPUT
Z I I MAIN POWER relay control output
Z O/L O/L ROOM TO ROOM Signal detect pin (Detected : H)
Z O/L O/L Input selector rotation detect input (Rotary
encoder)
Z O/L O/L Master Volume rotation detect input (Rotary
encoder)
Z O/L O/L Selector rotation detect input (Rotary encoder)
Z O/L O/L Not used
Z O/L O/L HD AUDIO LED control
Z O/L O/L Selector rotation detect input (Rotary encoder)
Z O/L O/L Volume control pin
Z O/L O/L Volume control pin
Z I O/L XM RADIO control pin
Z O/L O/L XM RADIO control pin
Z O/L O/L RS232C SIGNAL OUTPUT
Z I O/L RS232C SIGNAL INPUT
Z O/L O/L Extended IC control pin
Z O/L O/L Extended IC control pin
Z O/L O/L iPod control pin
Z I O/L iPod control pin
Z O/L O/L Master Volume rotation detect input (Rotary
encoder)
Z O/L O/L Input selector rotation detect input (Rotary
encoder)
Z O/H O/L STBY LED RED CONTROL
Z O/L O/L FLD DRIVER control pin
Z O/L O/L Rewrite boot program start : L input set
/FLD DRIVER control pin
Z O/L O/L RS232C POWER control pin (STANDBY:H)
Z O/L O/L DYNAMIC VOLUME LED GREEN control
Z O/L O/L DYNAMIC VOLUME LED RED control
Z O/L O/L TRIGGER OUT 1 control pin
Z O/L O/L Rewrite boot program start : H input set
Z O/L O/L RDS DETECT IN control pin
Z O/L O/L TUNER/RDS CLOCK OUT
Z O/L O/L TUNER/RDS DATA OUT control pin
Z O/L O/L RDS Chip enable
Z O/L O/L RDS reset output
Z O/L O/L Temperature detect
Z O/L O/L Extended IC control pin
Z O/L O/L Extended IC control pin
Z O/L O/L TUNING DATA INPUT control pin
Z O/L O/L TUNER STB OUT
Z O/L O/L When TUNER FM stereo receive : L
Z O/L O/L TUNER turned detect (Detected : L)
Z O/L O/L MINI JACK connected detection pin for DOCK
connection (H:DETECTIVE)
Z O/L O/L REMOTE POWER control pin (ON : H)
Z O/L O/L 232C control pin (MAIN : L / SUB : H)
- - - +5V
Z O/L O/L Voltage detection control pin
- - - GND
Z O/L O/L PRE POWER control pin (H : ON)
Z O/L O/L SUB CPU POWER ON/OFF switcing (H : ON)
Z O/L O/L XM RADIO POWER control pin
Z O/L O/L MAIN POWER relay control output (ON : H)
Z O/L O/L MAIN CPU POWER control pin (POWER ON : H)
Z O/L O/L LIMIT control
Z O/L O/L Not used
Z O/L O/L Not used
Z I I Remote control signal input
Z I O/L MAIN-SUB Éþcom comm. control pin
Z I I Power down detect (Power down : L)
Z O/L O/L
SUB com Reset control pin
Function