2
DPX304/DPX308U/DPX404U
DPX-MP3120/U5120/U5120S
BLOCK DIAGRAM
(X34-700)
(X16-712)
PRE OUT
J401
ATOMIC
IC501
MUTE
SP OUT
PWIC
IC200
A8V
CN160
CD
E-VOL
BU5V
MUTE
LOGIC
IC302
SYSTEM
u-COM
IC301
IC420
BU5V
BU
USB5V
PAN5V
ILL+B
CN
SERVO+B
BU5V
BU5V
USB CN
J1
REMO
IC2
ROTARY
ENCODER
KEY IF
DRIVER
LCD
IC1
LCD
LCD
BACK LIGHT
ILLUMI
KEY
TRIANGLE
LED (RED)
AUX CN
J2
DC CN
BU5V
Q33
Q30
SW5V
Q21
A8V
PAN5V
Q701
ILL+B
SERVO+B
Q41
Q51
USB5V
IC140
D5V
IC70
BU5V
SW5V
A8V
PAN5V
SERVO+B
ILL+B
USB5V
Q80
BU DET
Q81
ACC DET
Q120
LINE MUTE
ILL DET
Q104
ANT CONT
Q103
P CONT
Q404
A8V
J3
CN1
CN700
ILL+B
J3
(4MHz)
RST 3.6V
IC300
FRONT, REAR/NF
REAR L/R
FRONT L/R
RESET
P CON / ANT CON
BU DET / ACC DET
LINE MUTE / ILL DET
PON PAN / WIRED REMO
PON / PON ILL
17
2
1
1
2
3
2
1
1
5
SUB=32.768kHz(QUARTZ)
CLK MAIN=24MHz(CERAMIC 12MHz)
RST SW
3
9
5
4
ANT CONT EXT REMO
MUTE
P.CONT
BU
ACC
ILLUMI
ACC
ILLUMI
MUTE
ANT CONT
P.CONT
WIRED REMO
PON
PON
PON PAN
PON
PON ILL
PON
SW VBUS
BU DET
BU
VBUS OC
ACC DET
ACC
MUTE
ILL DET
MUTE
ILLUMI
ANT CON
P CON
ANT CONT
P CONT
3
2
1