Pioneer C-AX10 Service Manual page 88

C-AX10
DSP Control Microcomputer (IC2102)
• POWER ON
Start
Legato DSP
setup
Front DSP
setup
Analog
Center DSP
setup
Front DSP
coefficient transmission
A/D
calibration
Cancel the mute
End
88
From the system control microcomputer (IC2109)
• Cancel the reset (IC2102-pin 12) : L to H
• Data reception of each setting
IC1613
Transmit the program and coefficient
IC1701, IC1702, IC1801 and IC1802
Transmit the program and coefficient
IC1501
Transmit the program and coefficient
IC1701, IC1702, IC1801 and IC1802
Transmit the coefficient
IC2118-pin 7
X24M = L (24MHz oscillation)
IC1105, IC2704 and IC2804
pin 10 = L to H
Front ch : IC1703 and IC1803
pins 42 and 43 = L
Excepting front ch :
IC1902 and IC2002
pin 15 = H
Digital
DIR lock ?
No
&
PLL lock ?
Yes
State of IC1603-pins 2, 3 and 27
fs check
(However, this state is between 50 ms
since DIR locks.)
Center DSP IC1501
Transmit the program and coefficient
setup
IC1701, IC1702, IC1801 and IC1802
Front DSP
Transmit the coefficient
coefficient transmission
Front ch : IC1703 and IC1803
pins 42 and 43 = L
Cancel the mute
Excepting front ch : IC1902 and IC2002
pin 15 = H
DIR : IC1603-pin 25 = "L" ?
PLL : IC1618-pin 15 = "H" ?