8
DDJ-RB
1
2
3
4
A
B
C
D
E
F
1
2
3
4
4.2 OVERALL BLOCK DIAGRAM
JA101
V+VBUS
V+VBUS
uCOM POWER
IC409
IC202
IC205
Q203
V+VBUS
V+5_D
IC207
IC204
V+7
V-6
IC210
IC211
IC408
IC410
IC209
IC706
IC701
X404
IC407
X401
IC703
MASTER OUT
IC705
MIC IN
IC702(2/1)
IC702(2/2)
IC708
IC1201
IC1201
PC1202
PC1201
PC1202
PC1201
R5S72670P144FP
MAIN uCom
FLASH
DYW****-/J
*
(MX25L1633EM2I-10G)
CSS1760-
48 MHz X’tal
AK4387ET
MASTER DAC
AK4387ET
HP DAC
NJM4580MD
AMP/Filter
ADDA_BCK
M_DAC_DATA
MUTE
XIN
XOUT
USB_X1
USB_X2
SSITxD
ADDA_MCLK
AUDIO_XOUT
DAC_CDTI, DAC_CCLK
for USB
FAULT_DET
Audio Serial Control
VOLTAGE
DETECTION
CIRCUIT
USB-B
*Note on DYW****
The “****” part of the part number changes each time the firmware is updated.
JACK
S-1172B1C-US
3.3 V
1.25 V Reg.
S-80942CNMC-G9C
Reset IC
BH3547F
HP AMP
(6dB)
AUDIO_X1
GPIO
GPIO
PWR_ON
H_DAC_BCK
H_DAC_LRCK
H_DAC_DATA
CS/SSIWS
SCLK/SSISCK
MOSI/SSIDATA
MISO
WP
MM3411A33N
5 V
3.3 V Reg.
LED POWER
VOLTAGE
DETECT
(V+VBUS)
V_DET
DYW****-/J*
(PIC10F206-I/P)
Touch uCom
HP miniJACK
RPI-579N1
PHOTO
INTERRUPTER
A/D
RPI-579N1
PHOTO
INTERRUPTER
JOG_DIAL1_0
JOG_DIAL1_1
JOG_TCH1
KEY/LED MATRIX IN/OUT
VR
/
1
/
1
S-80927CNMC-G8X
Reset IC
/
1
/
1
JOG
Touch
JTAG
IRQ
TCLK
TCLK
TCLK
xRST
TC74HC4051AFT
MUX
VR
/
1
/
1
/
1
DSS1202-
22.5792 MHz
Xtal
for AUDIO 44.1 KHz
/
1
Mute
drive
A_MUTE
HP_AMP_MUTE
HP_MUTE
/
1
/
1
GPIO
GPIO
GPIO
MUTE
NJM4565MD
AMP
NJM4565MD
AMP
JOG_2
JOG_1
TEMPO_1_0
TEMPO_1_1
TC74HC4051AFT
MUX
FX2 LEVEL
CROSS FADER
AUDIO_X2
/
8
JTAG
TCLK
GPIO
GPIO
IRQ
IRQ
IRQ
MIC IN
PHONES JACK
MIC VOL
VBUS
5V
FET SW
PWR_ON2
DYW****-/J*
(PIC10F206-I/P)
Touch uCom
RPI-579N1
PHOTO
INTERRUPTER
RPI-579N1
PHOTO
INTERRUPTER
JOG_DIAL2_0
JOG_TCH2
/
1
/
1
JOG
Touch
JOG_DIAL2_1
IRQ
LED
LED
Tr.Buf.
Tr.Buf.
/ 5
/ 4
/ 5
KEY
GPIO
GPIO
GPIO
GPIO
/ 5
/ 5
GPIO
Tr.Buf.
Tr.Buf.
KEY
No Mount
FX1 LEVEL
/
7
/
7
/
1
GPIO
/
3
MUTE
MUTE
MUTE
MASTER OUT
RCA PIN
Mute
drive
TC74VHC08FK
HPAMP_BIAS
FLASH_I2S_SEL
FLASH_CS_EN
GPIO
DISCHARGE
CIRCUIT
XIN
XOUT
GPIO
/
1
/
1
/
1
/
1
MUX_SW_A, MUX_SW_B, MUX_SW_C
AD_MUX_0
AD_MUX_1
LED_0/1/2/3/4
KEY_0/1/2/3/4
GRID_0/1/2/3
LED_9/10/11/12/13
KEY_7/8/9/10/11
TC7SH126FU
74VHC4051AFT
MUX
VR
/
1
AD_MUX_2
AK5358AET
MIC ADC
/
1
AUDIO POWER
NJM2392M
5 V
7 V, -6 V DDC.
KEY, JOG POWER
MM3411A33N
5 V
3.3 V Reg.
ADC, DAC POWER
MM1856A50N
7 V
5 V Reg.
HP AMP POWER
MM1856A50N
7 V
5 V Reg.
AMP POWER
CH1 TRIM
CH1 HI
CH1 MID
CH1 LOW
CH1 FILTER
CH1 FADER
MASTER VOL
VR
/
2
BROWSE_ENC0, BROWSE_ENC1
GPIO
GPIO
GPIO
Rotary
Encorder
CH2 TRIM
CH2 HI
CH2 MID
CH2 LOW
CH2 FILTER
CH2 FADER
HP VOL
VR
TEMPO_2_0
TEMPO_2_1
/ 1
/ 1
/1
Tr.Buf.
KEY
LED
KEY_5/6
Tr.Buf.
LED_5/6/7/8
/
2
/
4
V_DET_AD
/1
/1
AD_FX1_LV
AD_FX1_LV
AD_CRFD
AD_FX2_LV
IRQ
GRID_0/1/2
ADAT_MIC
SSISCK
SSIRxD
ADDA_MCLK
MIC_ADC
ADDA_LRCK
SSIWS
M_DAC_CS
ADDA_XRST
GPIO
GPIO
H_DAC_CS
GPIO
GPIO
/
1
IC711
IC712
IC713
68
46
69
MAIN ASSY
A
HPJK ASSY
B
MXR ASSY
E
DCK2B ASSY
D
DCK1B ASSY
C
1
3
2
5
3
2
3
5
1
7
6
2
4
1
6
5
6
1
123
131
121
115
117
119
161
158
160
159
166
169
171
165
118
116
104
124
125
129
127
10
11
3
6
1
2
4
5
10
10
12
11
13
11
8
7
6
137
173
111
136
27
4
3
4
4
151
150
155
168
154
139
134
133
113
138
135
109
176
167
142
140
4
2
26
24
15
14
13
36
34
25
23
16
28
4
4
4
3
83
96
63
64
95
99
97
85
87
81
80
82
22
20
3
5
5
3
9
10 11
9
10
11
9
3
10
11
13
12
14 15
1
2
4
13
12
14 15
15
14
13
1
2
4
105
108
107
1
3
1
4
1
6
1
1
2
43
37
145
144
174
1
9