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PD-6010
Detective EFM
ls TP2
pin 4 EFM
in the
1V to 2Vp-p
range during
tracking open?
Are R30, R32, R33, C28,
and
C29
free
of
solder
bridges
and
other
faulty
soldering?
NO
Is the 3T level normal?
Is the
EFM
level
greatly
reduced
when
tracking
is
closed?
Is
focus
offset
(VR6)
normal?
YES
Grating adjustment
Is
tangential
OK?
adjustment
Flexy
connector
break,
solder
bridge,
dirty
lens,
dirty disc
remote
control
Defective
:
k
f
Id
id
Are
the Q9
and
Q10
sig-
JNO
Chee
Or
solder
br
ges
Veprorrnal?
and
other
faulty soldering
ne
around Q10, Q11 and C65
YES
Check
for
solder
bridges
and
other faulty soldering
around [C11
S1
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