Audio System Block Diagram - Pioneer DJM-850-K Service Manual

1

4.2 AUDIO SYSTEM BLOCK DIAGRAM

A
K
FAD1 ASSY
L
FAD2 ASSY
M
FAD3 ASSY
B
N
FAD4 ASSY
J
FADC ASSY
A INPUT ASSY
MIDI
B MIC1 ASSY
C
MIC 1 (mono)
MIC 2 (mono)
D
E
RET URN
(T S)
F USBI ASSY
USB B
CH 1 4
F
12
1
2
KE Y MA TRI X
KEY_IN0 7
V R MA T RIX
VR_IN1 6
VR_FADER 1
C hannel 1 F ader
VR_FADER 2
C hannel 2 F ader
VR_FADER 3
C hannel 3 F ader
VR_FADER 4
C hannel 4 F ader
CROSS_FADER
C ross F ader
EFFECT_ON/OFF
E F FEC T_ ON/ OFF
IC4601
NJM4580MD
7
5
IC4603
NJM4580MD
7
5
IC4002
NJM2121MD
CD/LIN
7
5
7 2
PHONO
RIAA
1
IC4001
SELEC
NJM4580D
IC4004
NJM2121MD
LINE
2
5
7
CD/LIN
1
SELEC
IC4202
NJM2121MD
LINE
2
5
7
CD/LIN
1
SELEC
IC4204
NJM2121MD
CD/LIN
7
5
2
7
PHONO
1
IC4201
SELEC
NJM4580D
NJM4565MD
3 5
USB
differential 90
ADSP - BF 525BBCZ - 5A- K
USB_S_CLK 106.5MHz
SDRA M (64M)
IC2604 16bit
M12L64164A- 5TG 2M-
2
3
SUB ucom
IC6601
DYW1809- /J
(UPD78F1162AGF)
MIDI_TXD
IC4601
1
3
IC4603
1
3
IC1602
NJM4580MD
1 7
3
6
1 7
2
CH 1_TRIM
5
IC1601
NJM4580MD
IC1802
NJM4580MD
1 7
3
6
1 7
2
CH 2_TRIM
5
IC1801
NJM4580MD
IC2002
NJM4580MD
1 7
3
6
CH 3_TRIM
1 7
2
5
IC2001
NJM4580MD
IC2202
NJM4580MD
1 7
3
6
1 7
2
CH 4_TRIM
5
IC2201
NJM4580MD
IC4401
1 7
MIDI_TXD_USB
UART
(Downloard & other)
SPI (Boot)
ADAT_USBIN 1
ADAT_USBIN 2
USB Ucom ADAT_USBIN 3
ADAT_USBIN 4
IC2603
DJM-850-K
3
4
CSI (SPI)
Serial F LA SH (4Mbit)
IC2802
DYW1807- /J
MX25L4006EM2I- 12G
Blackfin Flash
FPGA Flash
SPI (BOOT)
Serial F LA SH (4Mbit)
MX25L4006EM2I- 12G
IC3008
DSP
DYW1808- /J
SDRA M (256M)
IC3202
DSP_BUS
EMIF B
DSPB_BUS_CLK
98.304MHz
A DC (single)
1 9
IC2401 ADAT_MIC_AN
2
AK 5358AET
4 5
CH 1_L
A DC (differntial)
15
IC1604
ADAT_CH 1_
PCM 1804
CH 1_R
24 25
4 5
CH 2_L
A DC (differntial)
15
IC1804
ADAT_CH 2_
PCM 1804
CH 2_R
24 25
4 5
CH 3_L
A DC (differntial)
15
ADAT_CH 3_
IC2004
PCM 1804
CH 3_R
24 25
D810K013BZKB400- K
4 5
CH 4_L
A DC (differntial)
15
ADAT_CH 4_A
IC2204
PCM 1804
CH 4_R
24 25
A DC (single)
9
IC2402
ADAT_RETURN_
AK 5358AET
1 2
ADAT_USBIN 1
ADAT_USBIN 2
ADAT_USBIN 3
ADAT_USBIN 4
4
MA IN U
IC28
DYW180
(UPD78F11
SPI
F
SPI
IC
XC 3S50A
D
EM
SPI
A
ADAT_DOU
ADAT_MASTE
ADAT_RE
ADAT_BOOTH
DSP
IC 3201
ADAT_SEN
ADAT_H
ADAT_USB
ADAT_USB
ADAT_USB
ADAT_USB