3
DNX4280BT/5180/5280BT/5380/5380M
/5380BT/5580BT/6040EX/6180/6480BT/6980
BLOCK DIAGRAM
U,V,W COIL
HALL BIAS
HALL SENSOR
DVD LD/CD LD
VREFH
IMON/VR DVD/VR CD
PDIC I/V OUT
FO+/-,TR+/-
THERMISTER
FO5,RO5
P5V
FO2,RO2
3
3
H1H,H1L,HB
A1,A2,A3
P5V
VHALF
V5V
2
PLL3.3V
A3.3V
D1.2V
D3.3V
27MHz
NRST
LIM-SW
4
VREF,EC
FE1,FE2,RF
A,B,C,D,E,F,
9
D3.3V
D3.3V
6
2
D3.3V
2
LPC1/LPC2
VREFH
4
FO3,RO3
FO4,RO4
FO6,RO6
PDIC VCC,HFM
SW EJEND
V5V
4
VDOUT
LX
VIN
TEMP(AD1)
FG
SPIN,IN2-6
STBY
MUTE
2
VHALF
21
16
BA0-1,MA0-11,DQM0-1
MDQ0-15
NWE,NCAS,NRAS,NCSM,MCK0
FG,P5
PWM0,PWM1
DRV1,DRV2,DRV3,DRV4
DQM3,P12
TRCCLK,EXTRG1
16
DQ0-15
W, G, E
A0-20
24
P3
EXADR16-19
NEXWE
NEXCE
P15(ADR20)
NEXOE
EXADT0-15
DRV5
P11
P6
P4
P14
V5V
V3.3V
V5V
3
SRCK,LRCK
DAC4OUT
DT,CK,CS
DAC0-3OUT
5
3
IECOUT
Pb/B
Y/G
Pr/R
VIDEO
SPDIF
AMUTE
P1,P2
SDA,SCL
A5V
AOUTR
IFSEL
RESET
EXADT0-15
ADOUT3
DACCK
RSTN
R
L
NC
2
2
LPC01/LPC02
RESET
AOUTL
SPINDLE
MOTOR
DISC
OPTICAL PICKUP
STEPPING
2 PHASE
CN1
30pin
28pin
CN3
MOTOR &
DRIVER
ACTUATOR
M
DC MOTOR
LO/EJ
Q12,13
DVN
F/E + B/E + MCU
CN6
50pin
SW REG
IC59
D3.3V
A3.3V
PLL3.3V
V3.3V
D1.2V
to
VIDEO
IC10
Q14,15
IC1
IC5
FLASH
SDRAM
IC54
HALL
IC
SW LOEND
SW LOST
CONTROL
3.3V
A5V
P5V
V5V
3.3V
Q10,11
Q34-36
Q33
IC61
DAC
AUDIO
VIDEO AMP
ROM
UNIT
RGB AMP
32M
128M
IC64
IC65
DVS-870xW BLOCK DIAGRAM (X37-1300)