19
RMX-1000
5
6
7
8
5
6
7
8
A
B
C
D
E
F
d discconected)
1
V
+ADP5 power is supplied when the AC adapter is connected.
2
Supply of the STBY-system power starts when the Power switch is set to O
N
. Muting O
N
3
K0R reset is canceled when the Reset IC voltage is detected.
4
Supply of the MAIN-system power sta
rts when
the FET_SW_CTRL signal changes from L to H.
5
SH reset is canceled.
6
DSP reset is canceled.
7
Supply of the AD/DA clock signal starts.
8
AD/DA reset is canceled.
9
Muting is canceled when the CPU_MUTE signal changes from L to H.
Power OFF se
q
uence (with the use of the Power switch)
1
Supply of the STBY-system power is stopped when the Power switch is set to OFF.
2
K0R is reset with the Reset IC detection voltage.
3
Muting is activated when the CPU_MUTE signal changes from H to L.
4
SH is reset.
5
DSP is reset.
6
AD/DA is reset.
7
Supply of the MAIN-system power is stopped when the FET_SW_CTRL signal changes from H to L.
8
Muting is deactivated with lowering of the MUTE voltage.
Power OFF se
q
uence (with the AC power cord unplugged)
1
Various voltages are decreased with the AC power cord unplugged.
2
Muting is activated when the CPU_MUTE signal changes from H to L in the voltage monitoring circuit against
popping noise (
V
+5ADP < 3.5
V
).
3
K0R is reset with the Reset IC detection voltage.
4
SH is reset.
5
DSP is reset.
6
AD/DA is reset.
7
Muting is deactivated with lowering of the MUTE voltage.
DAC
SH
DSP
ADC
REG
Reset
K0R
R
R
R
R
R
MAIN
Power
R
R
V- 15A
V+3R3E
R
R
R
R
R
20M
48M
24M
CPU_MUTE
R
R
V+3R3E
R
ADP_XDET
FET_SW_ADP
R
R
V+5ADP
R
CMUTE
VMUTE
LMUTE
*MUTE
Indications are printed
on the PC board.
Power-on se
q
uence
FET SW
(Q1014)
DC JACK
(JA1001)
Power SW
(S1001)
N
ote:
The dotted line parts are standby circuits. (no-mount)
Power line
Reset line
Control signal line
Clock line
