Akai RX-890 Series

M38184M8 (AX-890 SYSTEM CONTROL MI-COM)
|
PinNo.
|
PORTNAME
|
vo[CFUNCTION,
Cid
fe
97-100
2,6,19, Not used
64-66
| _3 | EABUSY ———s*J[_-(O | Reset signal output to GEQ MI-COM
|
4
CL
EACLK
TO
|
Clock
outputtoGEQMICOM
ss
CC“‘C;C*C*d*
[|
S|
EADATAOUT
|
O
|
Data
outputtoG.EQMI-COM
Cd
= t-te BUSY. Or Output for bus request to CDAuner block
|
8
|
TocluK
ft
[|
Busclock
input
from
CDauner
block
[9
[TCDATAOUT
|
©
|
Bus
serial
data
output
to
CDAuner
block
——SSSCSCS~—~S~S~S
|__
10
|
TCDATAIN
|_|
Bus
serial
data
input
from
CDaunerblock
—SCSCid
| 41 { MiCouTPUuT _ | _O [| Input switch control for mic signal (MIC ON : H)
| 12 | INPUTSWA ssi Input switch control signal A
|
13
inpurswB
it
|
inputswitchcontrolsinalB
CS
| 14 | ourPUTSWA | O | Outputswitchcontolsignal A Cd
| 15 | ouTpuTSwB. | o| Output switch control signal B
| _16 | ouTrPpuUTSwC | co ‘| Output switch control signal C
| 17. | MICINPUT——id=Ci id Input from microphone jack's switch
SOURCE DIRECT LED] O | SOURCE DIRECTLED conttroloutput
| 21 | SOURCE DIRECTKEY| | | SOURCE DIRECT commandinput —CSC*d
| 22 | vRDOWN | © | Main VR control (DOWN) output
p23 vRUP—~* | Main VA control (UP) output SSCS
[24 AMP MUTE |_| Pre AMP mute control output (Himufa)——SSC~—~—~—S—S—S~SCS
|__25 [| EEPROMCLK _| _O [| Serial clock output to EEP-ROM
| 26 dT VRLED | (| - Main VR LED control output
| 27 | TESTTONE4ooHz | O | 400 Hz test signal output for |-HQ calibration
| 28 | TESTTONE 1okHz | O | 10 kHz test signal output for HQ calibration
| 29 | INPUT SELECTKEY | 1 | input select switch (CD — TUNER — TAPE? > TAPE2 —> PHONO -> LINE) _|
| __30___ | POWERON/OFF KEY| | | Powerswitchkey input
| 31 | POWER ON/OFF | O | Power ON/OFF control output (H:poweroff) CS
| 82 INPUTMUTE |_| REC input mute control (Limute)
| 33 | POWERMUTE |__| Power AMP mute control output (H:muteon)
| 34 | protect |_| Input for detection of PROTECT operation
| 35 | RESET |_| | Reset signal input (Liresety
repeal EE
| 37st xcour_
| 38 | xouT 0 | Xtal connecting pin
ee a
| at | PBMUTE | O | Playback mute control output (H: mute)
| 42) | FLsck | | Serialclock outputtoFLDM-COM Cd
| 43 | 2METAL Tape 2 metal tape detect switch input
| 44 |2aRR [| 1 | Tape 2 reverse recording inhibit input
| 45 |[212070 }°»&383{ 1 | Tape 2 120 us/70 ps tape detect input (L: 120 us
| 46 jfe2pry fi] Tape 2 head position detect input
| 47 | apack st | Tape 2 packdetectinput —CC“‘CSSCC‘*”
| 48 cf 2aRF Lt | Tape 2 forward recocding inhibit input
|
49
df
apack
|_|
Tape
1
pack
detect
input
.
| 50 |[ii2z070 °°} °&| 1 | Tape 1 120 us/70 us tape detect input (L: 120 us
| st [ipry | | Tape 1 head position detect input
| 52 | 2puLSE_ | | Tape 2reclpulseinput
| 63 ipulse ft | Tapetrecipulseinput
| 54 | CLK (DOLBY) | | SerialclockouttoDOLBYIG Cd
| 85 | RECPB | (| Head REC/PBcontroloutput(H#:PB)
| 56 [|PLCOM fo] Plunger ON/OFF (common) contro! output (L : active
ars ae ee oe Tape 1 plunger ON/OFF control output (H : active
| 58 =[icaPpxne [0 | Tape 1 capstan motor x1/x2 speed switching output (H : x1, L: x2)