Block Diagrams, Waveforms, Wiring Diagram; Block Diagram - Philips VAD8041 Service Manual

Block Diagrams, Waveforms, Wiring Diagram.

6. Block Diagrams, Waveforms, Wiring Diagram.

Block Diagram

LOADER
Disc Motor
M
11P
1400
1401
U,V,W coil
U+,U-
V+,V-
W+,W-
Hall+,Hall-
7402
Disc, Tray, Sledge Motor Driver
SA56202
MOTO1
VMOTO 10
MOTOR-ON
DRIVER-ON
TEMP_WARNING
TRAY -INOUT
7500
7504
XDD0..15
XDA0..11
option
SDRAM
16MB XWR
XRAS
SRAM
SDCK
XCASL
XCASH
DATA_MASK
DA0..15
AD0..19
7503
PORN
FLASH
PROM
1600
VAD 8041
laser 650nm
Actuator
Sledge
Stepper
RADIAL
FOCUS
M
TILT
OUTSLD1+
OUTSLD1-
OUTSLD2+
OUTSLD2-
4P
FOC+
FOC-
RAD
7409
ROHM
Servo Driver
BA5995FM
DC
FO+
level
STEP-SIN 1V65
FO-
STEP-COS
RA
SL-
DRIVER-ON
SL+ 7405
RAD MUTE TRAYSW
TEMP_SENSE
CENTAU RUS
SIDA, SILD, SICL
RFREF
RFN3,RFP3
A1,2
CALF
XDN
FTC
D1..4
PPNO
HDASPN HPDIAGN
CS0 HIRQ RX1_MASTER
AUDIOR
CS1 HDACKN TX1
HD0..15 AUDIOL
HA0 IORDY TX2
IEC958
HA1 HDRN DEBUG11
5V
HA2 HRWN
HDRQ
IDE
From/To DVD Recorder application
6. EN 13
FS diode OPU66
laser 780nm
Temp.
Sensor
650nm PD
Elantec 6915 PAED IC
EEprom
TZA 1045
SCLK
EFM
CD-MODE
VIA..H RFP,RFN
SDIO
TEMP_SENSE
HIGH-GAIN
R/W
SEN
VIA..H
SERVO-MEAS
RFP
SERVO-COMM
RFN
EFMDATAP
7104
EFM_DATA
EFMCLKN
EFMCLKP
PA EDIC
EFM_RWN
RAD
FOC-
FOC+
highpower
offset
gain
7201
IIC
CHEETAH
LASP
ALFA
IRQN,OSTR,EFM_RWN
7603
5V, 12V
PORN
GND
MRN, HRESET 5V
RESET
3v3
12V
7506
12V
5V25
7607
RFN3 / RFP3, IC7201 Pin 38/39
Tray Switch
M
IIC
Tray Motor
OPU Flex 45p
4P
1100
1702
TR+
TR-
4V6
Iodel
IOthr
IAPC
WSB
SCLK
power
SDIO
SEN
RW-Del
Vdel
A: DC, 500mV/Div, 20ns/Div
VREF
5V
Vthr
HIGH-GAIN
CD-MODE
7300
A: DC, 500mV/Div, 5ns/Div
LACO NIC
A: DC, 1 V/Div, 20ns/Div
7608
5V
1V8
TOSTOCEN
1V65
TR 22004_001
300603
7401
I417
A: DC, 500mV/Div, 50ns/Div
A:AC, 50mV/Div,
50ns/Div
I430
IC7300 Pin 4
A: DC, 1 V/Div, 20ns/Div A: DC, 2 V/Div, 2us/Div
IC7300 Pin 5
I432
A: DC, 5 V/Div, 2us/Div
IC7504 Pin 38 U, V, W
A: DC, 200mV/Div, 5ms/Div
U,V,W coil
I502
A: DC, 5 V/Div, 1ms/Div