Ic Data Transmission Timing Chart - Pioneer VSX-D914-K Service Manual

5

7.3.2 IC DATA TRANSMISSION TIMING CHART

IC data transmission timing chart
1.When function chage
0
A.MUTE
(port)
"L"(mute)
E-volume
(BD3813)
Mute data
function SW
(BD3841)
Now data
video select
(NJM2595)
Now data
DSP or direct change
(BD3813)
Now data
speaker relay
(port)
Now data
condition of mute cancel (system mute & E-volume mute)
1) when tuner mute during Tuner function
2) when communicate to DSP
3) when initial processing
4) when detect trouble of AMP DC
5) when detect overload of AMP
6) when Power off
7) when muting by key input
2.When except function chage
0
A.MUTE
(port)
"L"(mute)
E-volume
(BD3812,13)
Mute data
DSP or direct change
(BD3813)
Now data
speaker relay
(port)
Now data
condition of mute cancel (system mute & E-volume mute)
1) when tuner mute during Tuner function
2) when communicate to DSP
3) when initial processing
4) when detect trouble of AMP DC
5) when detect overload of AMP
6) when Power off
7) when muting by key input
5
6
120ms pass 180ms pass
Full open
Full open
120ms pass 180ms pass
New or last data
New data
6
7
240ms pass 300ms pass
New data
New data
New data
New data
240ms pass 300ms pass
VSX-D914-K
7
8
440ms pass 500ms pass
"L"or"H"
Last data
440ms pass 500ms pass
"L"or"H"
Last data
73
8
A
B
C
D
E
F