Power Supply Block Diagram - Pioneer CDJ-850 Service Manual
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Also See for CDJ-850:
- Operating instructions manual (88 pages) ,
- Manuel du propriétaire (32 pages) ,
- Quick start manual (3 pages)
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1
4.3 POWER SUPPLY BLOCK DIAGRAM
A
CN2301
VCC
12
CN2302
VREF
4
V+5P
2
CN2304
B
CN2303
IC204
DRIVER
C
V+5P
V+5P
32
19
V+5M
V+5M
15
36
VREF
IC201
30
21
SERVO DSP
VREF1R65
IC103
MAIN CPU
IC101
32M
FLASH ROM
IC102
C
256M
D
SDRAM
JINT
IC107
USB SW
ASSY
IC105
Buffa
IC301
DSP
IC302
DAC
IC303
E
OP AMP
F
20
1
2
12
SPINDLE
MOTOR
CN2502
CN2501
VREF
4
22
VCC
2
21
A
CNCT ASSY
B
CN1701
SLMB ASSY
D
MAIN ASSY
IC206
V+5R6_M
REGULATOR
7.6V→5.6V
IC405
IC409
V+5R6
REGULATOR
DCDC
5.6V→5V
7.6V→5.6V
IC408
V+3R3_S
REGULATOR
5.6V→3.3V
V+1R2
V+3R3
IC404
IC401
REGULATOR
REGULATOR
3.3V→1.2V
5.6V→3.3V
IC402
V+3R3_A
REGULATOR
5.6V→3.3V
IC403
REGULATOR
3.3V→1.25V
V+1R25
IC406
V+10_A
REGULATOR
10V→5V
V+5_A
V-10_A
POWER DETECT CIRCUIT
CDJ-850
2
3
OEIC
PICKUP ASSY
22
21
STEPPING
M
MOTOR
LOADING
M
MOTOR
E
CMPX ASSY
V+7R6_M
V+7R6_M
V+7R6
1
1
V-11_A
V+7R6_D
V+7R6_D
6
6
7
7
Q2028
V-10_A
V-10_A
11
11
REGULATOR
-11V→-10V
V+10_A
Q2028
V+10_A
13
13
REGULATOR
12V→10V
V+12
V+12
9
9
V+12_EUP
2
26
PWR_ON
20
8
V+5R6
23
5
22
6
VDET
10
18
MUTE
CIRCUIT
JA2003
JA2002
AUDIO OUT
CONTROL
3
4
P
ACIN ASSY
JA2401
2
1
POWER
O
SUPPLY
ASSY
ACDC
3
4
5
6
CN2001
3
4
5
6
IC2001
DCDC
12V→7.6V
12V→-11V
P2003
PROTECTOR
(0.5A)
20
18
17
IC2002
REGULATOR
13
5.6V→5V
15
IC2003
USB OVER CURRENT
PROTECT (1A)
CN2005
1
JH2201
V+5_USB
1
JA2003
USB Type A
F
CONNECTOR
JA2001
USB Type B
CONNECTOR
4
I
K
CN140
JH120
H
KSW
V+1
V+
V+
PW
VD
USBA AS
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