Each Signal Level - Pioneer CDJ-850 Service Manual

5

10.15 EACH SIGNAL LEVEL

G
DFLB ASSY
Point to be checked Signal Name
A
PWR_SW
B
PWR_ON
PLAY/CUE/AUTO BEAT
LOOP 1-4/BEAT SELECT/
REV/LOOP IN/OUT/RELOOP/
USB STOP/RENC_SW
C
ADCT
D
ADIN
E
TCH/REL
F
JOG_SW
G
RESET(PNL_XRST)
E
CMPX ASSY
Point to be checked Signal Name
H
AMUTE
I
MAIN_XMUTE
J
PWR_XON
D
MAIN ASSY
Point to be checked
Signal Name
K
USB_VBUSON
L
USB_CDETFLG
M
USB_ABSEL
N
VBUS
O
INSW(INSIDE)
P
MAIN_XRST
Q
DSPRST
R
SRVRST
S
DRVMUTE1, 2
T
SPIN
5
6
Signal Level
H (3.3 V): Switch OFF
L (0 V): Switch ON
H (3.3 V): Power ON
L (0 V): Power OFF
H (3.3 V): When the buttons are not pressed
L (0 V): When the buttons are pressed
1.65 V
3.3 V to 0 V: TEMPO slider + side to - side
3.3 V to 0 V: Turn it from clockwise direction to
counterclockwise direction
H (3.3 V): When does not touch the JOG
L (0 V): When touch the JOG
H (3.3 V): Release PANEL CPU reset
L (0 V): PANEL CPU reset
Signal Level
H (12 V): Audio mute
L (0 V): Release audio mute
H (3.3 V): Release audio mute
L (0 V): Audio mute
H (3.3 V): Power OFF
L (0 V): Power ON
Signal Level
H (3.3 V): USB VBUS ON
L (0 V): USB VBUS OFF
H (3.3 V): Normal
L (0 V): Overcurrent detection
H (3.3 V): USBA
L (0 V): USBB
H (5 V): External PC connection (at PC mode)
L (0 V): External PC no connection (at PC mode)
H (3.3 V): Pickup position is except for the most internal
circumference.
L (0 V): Pickup position is in the most internal circumference.
H (3.3 V): Release MAIN CPU reset
L (0 V): MAIN CPU reset
H (3.3 V): Release AUDIO DSP reset
L (0 V): AUDIO DSP reset
H (3.3 V): Release SERVO DSP reset
L (0 V): SERVO DSP reset
H (3.3 V): After the disc insertion
L (0 V): The disc non-insertion
1.65 V: In normal (At the acceleration of the start-up is
around 3V.)
CDJ-850
6
7
7
8
A
B
C
D
E
F
93
8