Yamaha MCR-730 Service Manual page 41

No. Function Name
83 LED_P P05
84 LED_T P04
85 IREB P03
86 IREA P02
87 VREB P01
88 VREA P00
89 KEY0 P107
90 DOCK_SEL P106
91 DVD_VDET P105
92 DC_PRT P104
93 PSPRT3 P103
94 PSPRT2 P102
95 PSPRT1 P101
96 AVSS
97 DEST P100
98 VREF
99 AVCC
100 P97
Destination for AD port
Pull-up resistance 10 k-ohms
ohm
V 0 - 0.5
Value 0 - 50
pin 97 (DEST)
Key input for AD port
Pull-up resistance 10 k-ohms
ohm 0
V 0 - 0.2
Value 0 - 20
pin 89
OPEN/CLOSE PLAY/PAUSE
(KEY0)
Port Name I/O
O LED output PROGRESSIVE (H: lit)
O LED output TIMER (H: lit)
I Encoder input INPUT
I Encoder input INPUT
I Encoder input VOLUME
I Encoder input VOLUME
A-D IN AD KEY input
A-D IN DOCK discrimination
DVD module power voltage detection input
A-D IN (2.4V or higher: when normal, lower than
24V: when abnormal)
A-D IN D-AMP protection detection (DC detection)
A-D IN Power voltage detection 3 (PS3 protect) IN
A-D IN Power voltage detection 2 (PS2 protect) IN
A-D IN Power voltage detection 1 (PS1 protect) IN
– Connect to VSS (GND)
A-D IN AD destination discrimination
– A-D, D-A reference voltage input
– Connect to VCC terminal (+3.3V)
I
0 + 2.7 k
0.5 - 1.6
50 - 160
U, C G, F
+ 1.2 k + 1.2 k
0.3 - 0.7 0.8 - 1.7
30 - 70 80 - 170
STOP
Detail of Function
+ 6.8 k
1.6 - 2.5
160 - 250
L, V
+ 7.9 k + 12.7 k
1.8 - 2.7 2.8 - 3.2
180 - 270 280 - 320
(SEARCH/SKIP -
and SEARCH/SKIP - SEARCH/SKIP +
SEARCH/SKIP +)
DRX-730/NX-E700
[0 to VREF]
[0 to VREF]
Pulldown
[0 to VREF]
[0 to VREF]
[0 to VREF]
[0 to VREF]
[0 to VREF]
[0 to VREF]
Pulldown
+ 15.0 k + 47.0 k
2.5 - 3.6 3.6 - 5.0
250 - 360 360 - 500
K, A T
+ 20.7 k ∞
3.3 - 4.2 4.7 - 5.0
330 - 420 470 - 500
KEY OFF
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