9
DD
J-RB
5
6
7
8
5
6
7
8
A
B
C
D
E
F
4.3 POWER BLOCK DIAGRAM
USB-B JACK
JA101
MASTER OUT JACK
JA702
MIC JACK
JA701
5 V
3.3 V
REGULATOR
for UCOM
IC202
L408
UCOM
IC406
V+1R25_SH
V+1R25_SHD
V+1R25_SHA
V+3R3_SHD
V+3R3_AD
V+3R3_SH
2.7 V RESET
IC409
FLASH ROM
IC408
V+3R3_D
V+3R3_D
PWR_ON
V+3R3_AD
V+5_LED
V+5_LED
5V
7V & -6V
DC-DC
CONVERTER
IC207
7V
5V
REGULATOR
for DAC
IC204
7V
5V
REGULATOR
for HP POWER
IC210
R252
R219
HEADPHONES DAC
IC701
MASTER DAC
IC703
V+5_A
V+5_HP
HEADPHONES
AMP
IC706
V+7
V-6
MUTE
DRIVE
AUDIO AMP & LPF
IC705
V+7_A
V-6_A
3.3 V
1.25 V
REGULATOR
for UCOM
IC205
5 V
3.3 V
REGULATOR
IC211
5 V FET SW
Q203
USB CABLE
PC
5 V/500 mA
V+VBUS
VOLTAGE
DETECT
(V+VBUS)
V_DET_AD
5 V
DISCHARGE
KEY
LED DRIVE
LED
R1001
JOG TOUCH
IC1201
JOG ROTATION
PC1201/PC1202
TEMPO SLIDER/FX_VOL
VR1203/VR1201
CR FADER
VR2215
V+3R3_AD
V+3R3_D
V+5_LED
V+VBUS
VOLTAGE DETECTION CIRCUIT
V+3R3_D
OVER
V+7
UNDER
V-6
UNDER
V+5_A
UNDER/OVER
V+5_HP
UNDER/OVER
FAULT_DET
V+1R25_PLL
L402
L404
MULTI PLEXER
IC711/IC712/IC713
V+3R3_AD
V+5_D
SBD
D210
P101
I2S BUFFER
IC407
PWR_ON2
INVERTER
IC410
R572
R571
V+VBUS
L406
MUTE
Q705/Q706
HP_MUTE_DD
A_MUTE_DD
MUTE
Q707/Q708
REGULATOR
L
OTHER
FILTER, COIL, BEADS
P
ICP
DC-DC CONVERTER
IC PROTECTOR
R
RESISTOR
V+5_D
V+3R3_SHD
L403
7 V
DISCHARGE
MIC ADC
IC708
MIC AMP
IC702
KEY
LED DRIVE
LED
R1001
JOG TOUCH
IC1201
JOG ROTATION
PC1201/PC1202
TEMPO SLIDER/FX_VOL
VR1203/VR1201
V+3R3_AD
V+3R3_D
V+5_LED
KEY
LED DRIVE
LED
R2001
VR
VR2201 to VR2215
V+3R3_AD
V+5_LED
ROTARY ENCODER
S2204
CH_FADER
VR2213/VR2214
ICP
STBY
ICP
STBY
VOLTAGE
DETECT
RESET IC (4.2 V)
V_DET
R564
V+3R3_SHA
R
STBY
MUTE
Q2601/Q2602
KEY DRIVE
R
PU
V+3R3_SHD
R
PU
HP Mini JACK
JA2601
DCK1B ASSY
C
MAIN ASSY
A
DCK2B ASSY
D
MXR ASSY
E
HPJK ASSY
B
4
5
5
1
5
1
3
5
1
5
6
8
8
4
1
5
1
1
6
15
21
76
75
86 88
45
33 71 78
14
15
8
4
2
5
8
102 114 130
1
10 17 29 40 57 66 98
162 170
110 120 126 141 152
16
2
2
3
3