Dvd Unit (X37-1150); Block Diagram - Kenwood DDX6019 Service Manual

DVD unit (X37-1150)

DISC
VPU1
SPINDLE
A3.3V
MOTOR
OPTICAL PICKUP
A5V
2 PHASE
STEPPING MOTOR
4
CN3 : CN2 :
18PIN 10PIN
P5V
8
PWMx2
VREF,EC
3
3PHASE
PWM
P5V
IC2
MOTOR &
ACTUATOR
DRIVER
LO/EJ
M
DC MOTOR
FG
C
LOADING SW D
UNIT
CN1 : CN5 :
E
4PIN 4PIN
A
B
DISC DET
IC48
from
ATAPI IF
2/2 SHEET
IC42
D5V
BUS OPEN
LOGIC
BE RST

BLOCK DIAGRAM

DVD UNIT (X37-1150-00)
A3.3V
DVD LD/CD LD
Q7,8
VC(2.2V)
IMON/VR
APC
I/V OUT(DVD/CD)
Tr
THERMISTER
FO+/-,TR+/-
A5V
CN11 : IC1
30PIN
FRONT-END
PROCESSOR
9
A,B,C,D,E,F,
RF,FE1,FE2
SEN,SCK,STDI
VHALF
Q1,2
9
6
27.00MHz
D5V BE3.3V BE2V
IC30
ATAPI IF
BUS-SW
D5V
AV DECODER
(MPEG)
BUS-SW
IC56 38 33
D3.3V D3.3V
IC51 IC50
SDRAM FLASH ROM
D5V
IC54
BE3.3V 3.3V REG
M3.3V
IC52
2.0V REG
BE2V
D5V
IC46
4.0V REG
4V
DDX6019/6029/6029Y/6039
16.897849MHz
IC65
S5V A3.3V
IOP
IC4
DET
LOP-(AD)
A3.3V
OPTICAL DISC
2
ARF,NARF
CONTROLLER
3
FBAL,JLINE,
TSTSG
7
FE,AS,RFENV,RFDIFO
OFTR,BDO,VREF2
VHALF(1.65V)
TRCRS
VHALF
TE
3
SEN,SCK,STDI
DVDON/
CDON
TEMP
DET
S3.3V
IC11
EEPROM
A5V
S5V
A3.3V
S3.3V
1.5V
BE3.3V
BE CLK
BE REQ
5
BE DAT
SYS REQ AD5V
SYS DAT
IC12
4
MCLK
BCLK
2ch DAC
LRCK
4
SDT
4V
IC47
VIDEO-AMP
BE3.3V
IC57-60
5
LOGIC
M3.3V
D3.3V
IC56
POWER ON/OFF CONTROL
LOGIC
AD8V
IC40
AD5V 5.0V REG
IC53
AD4V OP-AMP
S3.3V
IC5
RESET IC
S3.3V 1.5V
ATAPI IF
SW A,B,C,D,E
LIM-SW
ATAPI IF to
2/2 SHEET
DISC DET
2 21 8
S3.3V
IC3
FLASH ROM
S5V
IC10
3.3V REG
IC8
ON/OFF
VOLTAGE DET
IC9
1.5V REG
CN9 :
50PIN
DISC DET
5LINE-BUS (KW PROTOCOL)
AD8V AD4V
IC41
AUDIO OUT
ACTIVE-LPF Lch/Rch
A MUTE
S/P DIF
VIDEO OUT (COMPOSIT)
VOUT
P5V
S5V
D5V
M3.3V
Q17
SW D3.3V
A8V
BE PON
Q18
BE RST
SW
CN10 :
40PIN
BUS OPEN
3