Yamaha DSP-AX1900, Service Manual

Page: 80 / 198

RX-V1900/HTR-6290/DSP-AX1900
80
RX-V1
90
0/HTR-6290/
DSP-AX1
90
0
RX-V1900 (U, C, R, T, K, A, B, G, E, L models) / HTR-6290 (C, G models)
Key input(A-D) pull-up resistance 10 k-ohms
Model distinction for AD port /
モデル判別ポート
Destination for AD Port / 仕向け先判別ポート
Pull-up resistance 10 k-ohms
DSP-AX1900 (J model)
Key input(A-D) pull-up resistance 10 k-ohms
Ohm 0 +1.2k +1.2k +1.8k +2.7k +3.3k +4.7k +8.2k +18.0k +47.0k
V -0.26 -0.75 -1.22 -1.76 -2.28 -2.75 -3.24 -3.75 -4.25 -4.72
Key0
(124pin/AN156)
INFO
ZONE
CONTROLS
CATEGORY/
BAND
STEREO/MONO SEARCH MODE MEMORY
PRESET/TUNING
>
PRESET/TUNING
<
– –
Key1
(123pin/AN157)
STRAIGHT /
EFFECT
ENTER –
TONE
CONTROL
AUDIO SELECT PURE DIRECT – – – –
Ohm 0 +1.2k +1.2k +1.8k +2.7k +3.3k +4.7k +8.2k +18.0k +47.0k
V -0.26 -0.75 -1.22 -1.76 -2.28 -2.75 -3.24 -3.75 -4.25 -4.72
Key0
(124pin/AN156)
INFO – BAND STEREO/MONO SEARCH MODE MEMORY
PRESET/
TUNING >
PRESET/
TUNING <
– –
Key1
(123pin/AN157)
STRAIGHT /
EFFECT
ENTER –
TONE
CONTROL
AUDIO SELECT PURE DIRECT – – – –
Ohm 47k ∞
V 1.3-3.7 3.8-5.0
A-D (5V=255)
DEST (AN6) 134pin
65-191 192-255
RX-V1900/DSP-AX1900 HTR-6290
No. Port Name
Function Name
(P.C.B.)
I/O Detail of Function
114 /ICEQ PGB I Program rotary B
115 /H2MINT VRA I Volume rotary A
116 RDS/EXDI RXDNW SI Asynchronous data input for NETWORK MODULE
117 HDMINT NWRST O Reset output for NETWORK MODULE
118 SDTN TXDNW SO Asynchronous data output for NETWORK MODULE
119 VRB VRB I Volume rotary B
120 PDLED PDLED O Pure direct LED
121 /ICH RDDATA I RDS RxD (B, G models)
122 ICRDS/ICXM HDIMT I HDMI mute input
123 KEY1 KEY1 AD KEY 1 AD value taken in
124 KEY0 KEY0 AD KEY 0 AD value taken in
125 DOCK_ID VBOOT O VIDEO_CPU boot enable
126 SIR_PE BTSEL O VIDEO_CPU boot mode select
127 PRV2 /EN232C I VIDEO_CPU 232C communication line enable control detect
128 /M2HINT HRES I VIDEO_CPU response return input
129 VRA HREQ TMR VIDEO _CPUI transfer request input
130 VSS VSS MCU
131 /CSDIR /ICH O VIDEO_CPU reset
132 VCC VCC MCU
133 DEST DEST AD Destination identification by AD value
134 MODEL MODEL AD Model identification by AD value
135 THM1 THM1 AD AD temperature detect 1
136 THM2 THM2 AD AD temperature detect 2
137 PRD PRD AD Power amplifier DC protect detect
138 PRV1 PRV AD Power protection detect 1
139 PRVS PRVS AD Power protection detect 2 (power turned OFF by pure direct)
140 AVSS AVSS MCU
141 PLMT PLMT AD AD power limiter output level detect
142 VREF VREF MCU
143 AVCC AVCC MCU
144 RXDSIR RXDH SI Data reception from VIDEO_CPU
Ohm 0.0k 1.2k 2.7k 4.7k 6.8k 10.0k 15.0k 24.0k 47.0k 100.0k
V 0-0.2 0.3-0.8 0.9-1.3 1.4-1.8 1.8-2.2 2.3-2.7 2.8-3.2 3.3-3.8 3.9-4.3 4.4-4.7
A-D (5V=255)
DEST (AN7) 133pin
0-13 14-40 41-68 69-92 93-115 116-140 141-167 168-195 196-221 222-243
J U, C – R T K A – B, G, E L