PIONEER DJ AlphaTheta CDJ-3000 Service Manual page 31

5
g Voltage-Monitoring Circuit diagram
% MAIN ASSY
V+12LED
/CURRENT DETECTION
Detection point:0.42A
1:4A
V+12D
3216
1/4W
R 1 0 0 3
2 . 7
R 1 0 0 4
2 . 7
Q 1 0 0 8
2 S A 1 5 7 6 A ( Q R S )
UNDER VOLTAGE DETECTION
1:4A
V+12D
1:12D
V+5R2LED
GNDD
1:4A
V+12D
3216
R 1 0 6 9
0
LOAD:max60mA
B L 1 _ A
9E
% AUDB ASSY
UNDER VOLTAGE DETECTION
1:3A
V+12A
1:12D
V+AUDIO
GNDD
5
6
1.09A(13W)
Max.230mA
17:10B/
V+12LED
(B) V+12LED
TP1007 TP1009
R 1 0 0 6
2 . 7
R 1 0 0 7
2 . 7
R 1 0 0 5
4 . 7 k
R 1 0 0 8
2 2
Q 1 0 0 2
L T C 0 2 4 E E B
R 1 0 0 9
0
SQ
GNDD GND_LED2
2:7B 4:12C 12:12E
V+5D V+3R3D V+12FAN
L T C 0 2 4 E E B
Q 1 0 2 0
R 1 0 7 3
F A N _ C T R L 1
12:10G
0
V+12BL0
/CURRENT DETECTION
TPS25921AD
!
IC1004
1 8
GND OVP
2 7
SS ILIM 11:2D/
R 1 0 6 8 V+12BL0
3 6
ENUV /FLT
2 2
4 5
IN OUT
ILIM 1.1A
GNDD GND_BL0
OCP:Detection point:0.42A 1.09A(13W)
3216
R 4 4 0 6
2 . 7 1:4A
R 4 4 0 4
V+12D
2 . 7
R 4 4 0 7
2 . 7
R 4 4 0 5
2 . 7
C 4 4 0 4
0 . 1 u / 1 6
R 4 4 0 2
4 . 7 k
Q 4 4 0 1
2 S A 1 5 7 6 A ( Q R S )
TP4401 Q 4 4 0 2
R 4 4 0 9
OC_BL_1 L T C 0 2 4 E E B
x F D E T
1:7G;9D
R 4 4 0 3
2 2
4 7 k
SQ
R 4 4 0 8
0
GNDBL1 GNDD
GND
OVER VOLTAGE DETECTION
1:12D 1:12D 2:6B 4:12C
V+5DAC_L V+5DAC_R V+5SPDIF V+3R3DAC_D
R 5 0 0 8
R 5 0 1 4
2 2 k
V-AUDIO GNDD
1:12D
6
7
V+12DEN
/CURRENT DETECTION
Detection point:0.42A 1.09A(13W)
1:4A
V+12D
(B) V+12DEN
3216
TP1023 TP1024
1/4W R 1 0 2 0
2 . 7
R 1 0 1 7
2 . 7
R 1 0 2 1
2 . 7
R 1 0 1 8
2 . 7
R 1 0 1 9
4 . 7 k
Q 1 0 0 1
R 1 0 2 2
2 S A 1 5 7 6 A ( Q R S )
2 2
Q 1 0 0 5
L T C 0 2 4 E E B
R 1 0 2 3
0
SQ
GNDD GND_DEN
xFDET
OVER VOLTAGE DETECTION
1:12D 2:7B
V+5R2LED V+5D
GNDD
A _ F D E T
13:10G
3 R 3 D _ x F D E T
4:7D
14:4F/
V+5R2D
Q 1 0 0 7
L T A 0 2 4 E E B
Q 1 0 0 6
L T C 0 2 4 E E B
R 1 0 2 6
2 2
TP1025
OCD_V+5R2LED
GNDD
2:7B
V+5D
Q 5 0 0 5
L S C R 5 2 3 U B
R 5 0 1 8
2E
A _ F D E T
2 2
1 k
CDJ-3000
7
8
Max.300mA
17:10B/
V+12DEN
4:12C
V+3R3D
(Pull up@PNLB)
1:10B
V+3R3E
Q 1 0 0 9
xFDET
2 S C 4 0 8 1 ( Q R S )
TP1026
R 1 0 4 1
R 1 0 3 9
2 2
1 k
R 1 0 5 5
0
R 1 0 6 2
2 2
V+5R2LED
/CURRENT DETECTION
Detection point:1150 1400mA(7.28W)
D 1 0 0 2
1:1G,4F/17:11B/
V+5R2LED
R B 0 6 0 M M - 3 0 T F
BD2232G-G
!
IC1002 (B) V+5R2D1
2125
TP1038 TP1039
R 1 0 5 6
1 5
V I N V O U T
2 0
2125
G N D
R 1 0 2 4
3 4
E N O C
0
2125
R 1 0 3 7
0
2125
R 1 0 2 7
GND_LCD
0
GND_LED1
D 1 6 0 1
R B 0 6 0 M M - 3 0 T F
TPS25221DBV
! V+5D_VD33
IC1601
V+5D(VD33)
TP1621
7 2
1 6
I N O U T V D D _ V D 3 3 _ 1
2 5
G N D I L I M
7 3
3 4
E N F A U L T V D D _ V D 3 3 _ 2
For 15W point
Ilim 2.2~2.8A
GNDP_PM
3R3D_xFDET
TP1620
3 R 3 D _ x F D E T
1:5H
8
A
B
x F D E T
17:4H;17:9D
C
Max.700mA
11:2E/
V+5R2LCD
D
E
F
31