Alignments (No Alignments Necessary) - Philips VAE8015 Service Manual

8. Alignments
No alignments necessary
9. Circuit Descriptions, Abbreviation List, and Data Sheets
Index of this chapter:
1. Introduction
2. Block diagram
3. DVD-Mechanism
4. Optical Pickup Unit
5. Printed Wiring Board
6. Abbreviation list
7. IC Data Sheets
9.1 Introduction
The Video Engine consist of a DVD-Mechanism with dual laser
Optical Pickup Unit (OPU), a tray loader with fan unit and a
PWB containing all electronics to control the module. The
electronics of the module is responsible for all basic servo
tasks. It reads from and writes data onto the disc.
9.2 Block Diagram
LOADER
Tray Sense
Tilt Motor
Disc Motor
M M Tray Motor
M
1303 4P 1300 11P
U,V,W coil
L1+, L1-
U+,U-
L2+, L2-
V+,V-
W+,W-
Hall+,Hall-
ROHM ROHM
Tilt Motor Driver Disc Motor Driver
BA5944FP BA6665FM pre_amp
7306 7301
TOC
TACHO1
TOS
TACHO2
TTEN
TACHO3
TZA1031
7101
SPIDRE
SIGNAL
PROCESSOR
MONO BOARD
Actuator
PCS Sledge
RADIAL
FOCUS
M
1301 4P 1302 8P
+SIN, -SIN
TR+
+COS, -COS
SL- FOC+ RAD+
TR-
SL+
FOC- RAD-
ROHM
PCS- Servo Driver
BA5938FM
7304 7302
SINH
ACT-EMFP RA
COSPH
ACT-EMFN SL
REFSIN
RAC-SW FO
REFCOS
TRAYIN
TRAYOUT
offset
RFN/RFB
FEN ADC
REN
TLN
MIRN
TILTN
PW
PCS
SERVO & uP
flash
ADC
A1,2
CALF
DAC
XDN
TRAYSW
Figure 9-1 Block diagram Basic Engine
Alignments
The PWB is a high tech module (multi layer, full SMC) with very
high component density. Despite of this, it is designed in such
a way, that repair on component level still is possible. Detailed
diagnostics and fault finding is possible via ComPair.
Some specifications:
• Record DVD+RW
–
–
• Playback DVD
–
–
• Playback CD
–
–
FS diode
laser 650nm
650nm PD
TZA1032
IIC
LADIC
IIC
RFP EFMCLKP
OSTR
RFN EFMCLKN
FTC
PPN EFMDATAP
LASP EFMDATAN IRQn
PD1 TSDEN
PD2
Q1..Q6
EPLD
EPM3032AT
C44-10
scan
SAA7830
7203
MEN
MACE 3
CE1
FWRN,PSEN-U
DA[0..7]
Micro
UA[0..19]
VAE8015 / 8020
Loss less linking
Recording speed: 1.2 x
DVD+R(W), DVD (SL/DL), DVD-R, DVD-RW (V1.1)
Playback speed: 1.2 x
CD-DA, CD-R, CD-RW, CD-ROM, VCD/SVCD
Playback speed: 3 x
OPU64
780nm LDGU+OPIC
TZA1030
TZA1030
DROPPI
IIC
EEprom
tilt sensor
OPU Flex 45p
1100
STAB
VBIAS
DATA-IN
DATA-OUT
SAA7831
V4
7402
FLAG
SYNC
DA[0..7]
ALE
RD-U
WR-U
HDR 65
INT_HDR65
CS_HDR65
ENCODER/DECODER
SIDA
multibus 0-11 SICL
moto1,moto2
SILD
WOBBLE PROCESSOR
MOTOR
AWESOME
7401
PPNO
ADC
SRAM
32k
7204
Flash Rom
7202
RFP,RFN
RF-REF
PPNO
BCA
8. EN 39
M
-5V
1304 2P
Fan
control
MEN
7312
FAN_IN
IIS
S2B
1402
RXD
TXD
SUR
CPR
AIRQn
ARESETn
DLOAD
1000
+12V
PGND
3V3
4V3
+5V
-5V
GND
4V6
SIDA
SICL
SILD
3V3
3V3
to OPU64
7001
CL 26532126_003 .eps
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