Signal Block Diagram - Pioneer CDJ-850 Service Manual

1

4.2 SIGNAL BLOCK DIAGRAM

A
CN2301
W,V,U,HB,W-,W+,V-,V+,U-,U+
INSW
1
CN2302
FR,FD,TR,TD
VR780PD,A,B,C,D,E,F
LD780
1
CN2304
ST1+,ST1-,ST2+,ST2-
B
CN2303
LO+,LO-
LPS2
1
LPS1
2
CN201
36 15
37 14
1 50
LDO
C
22 29
VR780PD,
A,B,C,D,E,F
FR,FD,TR,TD
LO+,LO-
ST1+,ST1-,
ST2+,ST2-
W,V,U,HB,W-,W+,
V-,V+,U-,U+
D
C
JINT ASSY
IC101
32M
FLASH ROM
IC102
256M
SDRAM
E
BCK,
LRCK,
DATA_L,
DATA_R
10
F IC105
Buffer
18
1
2
1
SPINDLE
CN2502 CN2501 MOTOR
1 9
A
SHORT
CNCT ASSY
SW
1
2
CN1701
LPS1
135
LPS2
134
INSIDE USB_X2
3
136 94
USB_X1
93 1
41
TCOUNT,
208
ADC
113
EXTAL
IC201
56
1
SRVSCLK,
SERVO
SRVLRCK,
XTAL
55 3
DSP
SRVSDATA
IC103
D
73
MAIN CPU
SRVBCLK,SRVBUS0-3,
SRVSBSY,SRVCCE,
CLK: 33 MHz
SRVRST
MAIN ASSY
CORE CLK:
200 MHz
66
IC204
DRIVER
SPDLFG
64
43 181 SCIF
48
70
75
DRVMUTE1,
59
DRVMUTE2,
PWMLO,
PWMSL1IN,
POWER DETECT
PWMSL2IN
CIRCUIT
88
USB_CDETFLG
16 71
MUTE
160
16
DP
101 3
USB
Full Speed DM
100 5
I/F
87
10
16 USB_ABSEL
IC107
USB SW
VBUS
102
DSPCS,DSPRST,PLAY CONT1
149
CONT2
161 185
AUDIO_SCK, 150
AUDIO_SI,
AUDIO_SO
DACCS ZERO
ALO
15 11 7 3
ARO
IC301
8 5
DSP
CLK11M
16
73
IC303
IC302
DAC OP AMP
45
DACBCLK,
DACBCLK,
DACBCLK
2
X103
5
X-tal
16.9344
6
MHz
2
3
OEIC
PICKUP ASSY
LD780
9
STEPPING
M
MOTOR
LOADING
M
MOTOR
B
SLMB ASSY
X102
E
X-tal
CMPX ASSY
48MHz
X101
X-tal
33MHz
TSO
11
17
TSI
15 13
TSCK
8
20
PNL_XBUSY
10
18
MAIN_XBUSY
12
16
MAIN_XRST
14
14
VDET
18
10
PWR_ON
20
8
USB_VBUSON
22
6
USB_CODETFLG
4 24
MAIN_XMUTE
16
12
USBA_D_N
6 26
2
USBA_D_P
27
2 1
USBB_D_N
7
12
6
USBB_D_P
1 13
5
VBUS_B
15
3
8
10
10
8
LOUT
1
14 4
MUTE
ROUT
7 2
16 CIRCUIT
JA2003 JA2002
AUDIO OUT CONTROL
CDJ-850
3
4
P
ACIN ASSY
JA2401
O
POWER SUPPLY
ASSY
3
3
CN2001
4
IC2003
V+5_USB
USB OVER
5
CURRENT
PROTECT
1
3
5
2
10
12
15
13
PNL_XMUTE
14
CN2003
CN2005
3 2 1
JH2201
V+5_USB
1
USBA_D_N
2
USBA_D_P
3
JA2003
USB Type A
CONNECTOR
JA2001
USB Type B
CONNECTOR
4
I
CN140
JH120
K
H
KS
F
USBA