Denon S-301 Service Manual page 43

PIN Port Port
NO Function setting
27 P80 O
28 P77 I
29 P76 O
30 P75 I
31 P74 I
32 P73 O
33 P72 I
34 RXD2 SI
35 TXD2 SO
36 TXD1 SO
37 VCC1
38 RXD1 SI
39 VSS
40 CLK1 O
41 P64 O
42 TXD0 SO
43 RXD0 SI
44 CLK0 I
45 P60 I
46 P137 I
47 P136 I
48 P135 O
49 P134 O
50 P57 O
51 P56 O
52 P55 O
53 P54 O
54 P133 O
55 P132 O
56 P131 I
57 P130 O
58 P53 I
59 P52 O
60 P51 O
61 P50 O
62 P127 O
63 P126 O
64 P125 O
65 P47 O
66 P46 I
67 P45 I
68 P44 O
69 P43 O
70 P42 O
71 P41 O
72 P40 O
73 P37 O
74 P36 O
75 P35 O
76 P34 O
77 P33 O
78 P32 O
79 P31 O
80 P124 I
81 P123 I
Port Name
LD_CONT LD power control signal output. H:DVD L:CD
USB_REQ Interrupt Request from USB Module.
V_CONT DVD LOADER control signal output. (PWM)
VOL JOG-B VOL encoder Pulse-B input
VOL JOG-A VOL encoder Pulse-A input
USB_CE Chip Enable output to USB Module.
USB_MODE Status signal input from USB Module.
RXD232 Serial Interface data input.(RS232C)
TXD232 Serial Interface data output.(RS232C)
USB/IPOD_TXD Serial Data output to USB/IPOD
Positive power
USB/IPOD_RXD Serial Data input from USB/IPOD
GND
USB_CLK Serial Clock output to USB Module
USB_RST Reset Signal output to USB Module.
ESS DO(OP_DO) Serial Data output to ESS
ESS DI(OP_DI) Serial Data input from ESS
ESS CK(OP_CLK) Serial Clock input from ESS
ESS ON(BE_ON) ESS Active Signal input.
CL_SW DVD LOADER CLOSE SW signal input. L: CLOSE
OP_SW DVD LOADER OPEN SW signal input. L: OPEN
CLS_DRV DVD LOADER CLOSE signal output.
OPN_DRV DVD LOADER OPEN signal output.
DVD_RST Reset Signal output to DVD. L: RESET
/PLL_RST Reset Signal output to EXT PLL. L: RESET
SELCLK Clock select signal output for digital audio signal from
DVD ON/OFF DVD Drive Power ON/OFF output. H: Power ON
VMUTE1 Select signal output for COMPONENT VIDEO OUT.
VMUTE2 Mute signal output for VIDEO2.
HP SW HEAD PHONE insert detect signal input. H: Detected
TRIGGER TRIGGER OUT. H:OUT
AUX IN SW Front AUX IN insert detect signal input. H: Detected
EXT_CLK Serial Clock output to control LED.
EXT_DATA Serial Data output to control LED.
USB_POW_ON Signal output to SW of USB Module. H: ON
VIDEO_A Serial Clock output to control BU2090(VIDEO CONVERT)
VIDEO_B Serial Clock output to control BU2090(VIDEO CONVERT)
VIDEO_C Serial Clock output to control BU2090(VIDEO CONVERT)
VIDEO_D Serial Clock output to control BU2090(VIDEO CONVERT)
VDET_V Detect Composite signal input.
VDET_S Detect S-VIdeo signal input.
BSE DSP Mute Output
ERR MUTE MUTE output at DSP Error.
SUB_SUM Signal output to SW summing control.
MULTI/DIR Select DSP input.
MIX/MULTI Select MIX/MULTI of ESS Output. H:MIX
P.ON/OFF Main POWER ON/STANDBY switching output. H:ON
SCART MUTE MUTE output to SCART Audio Output. H:MUTE
IPOD_ID iPOD ID connect output
SP-RELAY SP RELAY ON/OFF output. H:ON
HP-MUTE MUTE output to HEAD PHONE output. L:MUTE
PRE_MUTE MUTE output to PRE OUT. L:MUTE
AMP_MUTE MUTE output to POWER AMP IC. L:MUTE
TEST MODE For TEST MODE input.
TEMP_DETECT Temperature Detect signal input from posister
Explanation
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S-301