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CHECK FLOW AND TROUBLE SHOOTING
(DVDinternal
circumference
EQoptimization
alignment)
AnextrarX from''GENERAL
FLOW"
r
Turn on laser.
Focus search
Automatic alignment
Tracking balance
Focus balance
Focus gain
Tracking gain
RF gain
GE3-S
o-
CD
DVD / CD
DVD I
F
Internal
circumference
optimization
v
omplete
One-layer
Two-laye completed
v
CD:TOC
READ
DVD:
CSS
processing
+
u
External
circumference
optimization
I
I
I
I
I
I
I
I
I
i
I
I
I
I
*,
Aligns tracking balance
I
EQB
I
I
EQF
I
Aligns tracking balance
-s@'
t
I
I
I
I
I
I
I
I
I
I
I
I
I
I
lTIMEOUT:ERR.1
I
.-—
.—
- —-—
-—
r two-layer Two-lay
+
'CD
DVD
internal
circumference
EQ optimization
alignment
Problem/symptom
Check
Waveform
Schematic
diagram
Reference
data
Check
for propriety
of RF EQ alignment.
3, (35)(38)
c
Voltage table
1 DVD disk unplayable
Warp, small
3T,
affected
by double
refraction?
(1)
Defect,
eccentricity,
surface
shaking?
2 DVD disk unplayable
Check RF waveform.
Compare with good unit.
c
(2)(3)(4)
-13-
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Table of Contents
Troubleshooting
