Yamaha dsp-ax3800, Service Manual

Page: 78 / 189

78
RX-V3800/DSP-AX3800
RX-V3800/
DSP-AX3800
No. Port Name
Function Name
I/O [OFF] Detail of Function
(P.C.B.)
Ohm
V
Key0
(124pin/AN156)
Key1
(123pin/AN157)
0
-0.26
NIGHT
STRAIGHT/
EFFECT
+1.2k
-0.75
ZONE CONTROLS
A/B/C/D/E
+1.2k
-1.22
TUNING MODE
–
+1.8k
-1.76
MEMORY
TONE CONTROL
+2.7k
-2.28
FM/AM
AUDIO SELECT
+3.3k
-2.75
PRESET/
TUNING
PURE DIRECT
+4.7k
-3.24
PRESET/TUNING
>
–
+8.2k
-3.75
PRESET/TUNING
<
–
+18.0k
-4.25
–
–
+47.0k
-4.72
–
–
RX-V3800 (U, C, R, T, K, A, B, G, E, L models)
Key input(A-D) pull-up resistance 10 k-ohms
Ohm
V
A-D (5V=255)
DEST (AN7) 133pin
0.0k
0-0.2
0-13
J
1.2k
0.3-0.8
14-40
U, C
2.7k
0.9-1.3
41-68
–
4.7k
1.4-1.8
69-92
R
6.8k
1.8-2.2
93-115
T
10.0k
2.3-2.7
116-140
K
15.0k
2.8-3.2
141-167
A
24.0k
3.3-3.8
168-195
–
47.0k
3.9-4.3
196-221
B, G, E
100.0k
4.4-4.7
222-243
L
Destination for AD Port / 仕向け先判別ポート
Pull-up resistance 10 k-ohms
Ohm
V
Key0
(124pin/AN156)
Key1
(123pin/AN157)
0
-0.26
NIGHT
STRAIGHT/
EFFECT
+1.2k
-0.75
–
A/B/C/D/E
+1.2k
-1.22
TUNING MODE
–
+1.8k
-1.76
MEMORY
TONE CONTROL
+2.7k
-2.28
FM/AM
AUDIO SELECT
+3.3k
-2.75
PRESET/
TUNING
PURE DIRECT
+4.7k
-3.24
PRESET/TUNING
>
–
+8.2k
-3.75
PRESET/TUNING
<
–
+18.0k
-4.25
–
–
+47.0k
-4.72
–
–
DSP-AX3800 (J model)
Key input(A-D) pull-up resistance 10 k-ohms
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
Asynchronous data input for NETWORK MODULE
Reset output for NETWORK MODULE
Asynchronous data output for NETWORK MODULE
Volume rotary B
Pure direct LED
RDS RxD (B, G models)
HDMI mute input
KEY 1 AD value taken in
KEY 0 AD value taken in
VIDEO_CPU boot enable
VIDEO_CPU boot mode select
VIDEO_CPU 232C communication line enable control detect
VIDEO_CPU response return input
VIDEO _CPUI transfer request input
VIDEO_CPU reset
Destination identification by AD value
Model identification by AD value
AD temperature detect 1
AD temperature detect 2
Power amplifier DC protect detect
Power protection detect 1
Power protection detect 2 (power turned OFF by pure direct)
AD power limiter output level detect
Data reception from VIDEO_CPU
P112/ISRXD1
P111/ISCLK1
P110/ISTXD1
P03/AN03/D3
P02/AN02/D2
P01/AN01/D1
P00/AN00/D0
AN157/P157
AN156/P156
AN155/P155
AN154/P154
AN153/P153
AN152/P152/ISRXD0
AN151/P151/ISCLK0
Vss
AN150/P150/ISTXD0
Vcc
P107/AN7
P106/AN6
P105/AN5
P104/AN4
P103/AN3
P102/AN2
P101/AN1
Avss
P100/AN0
Vref
Avcc
RXD4
RXDNW
NWRST
TXDNW
VRB
PDLED
RDDATA
HDIMT
KEY1
KEY0
VBOOT
BTSEL
/EN232C
HRES
HREQ
VSS
/ICH
VCC
DEST
MODEL
THM1
THM2
PRD
PRV
PRVS
AVSS
PLMT
VREF
AVCC
RXDH
SI
O
SO
I
O
I
I
AD
AD
O
O
I
I
TMR
MCU
O
MCU
AD
AD
AD
AD
AD
AD
AD
MCU
AD
MCU
MCU
SI