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RMX-1000
1
2
3
4
A
B
C
D
E
F
1
2
3
4
4.6 POWER RESET MUTE MAP DIAGRAM
Simplified Power-Supply Block Diagram
At Power O
N
At Power OFF
(Power S
W
)
At Power OFF
(AC power cord discconected)
V+ADP5
VCC
GND
STBY Power
VCC
V+4R7E,V+3R3E
GND
K0R_reset
H
L
FET_SW_CTRL
H
L
MAIN Power
VCC
GND
CPU_MUTE
H
L
MUTE
ON
OFF
V+3R3D
VCC
GND
V+1R2D
VCC
GND
SH_reset
H
L
DSP_reset
H
L
AD/DA_reset
H
L
AC adapter
connected
AC adapter
disconnected
AC power cord
disconnected
Power S
W
O
N
Power S
W
OFF
Se
q
uence
V+ADP5
V+5ADP
V+18V
V+15A
V-18V
V-15A
V+4R7E
V+6V
V+6V
V+5A
V+3R3D
DC JACK
(JA1001)
FET SW
(Q1014)
Power SW
(S1001)
V+3R3E
V+1R2D