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PD-6010
10. TROUBLESHOOTING
[ster
|
(Connect audio pin jacks to amplifier, and AC power mains to unit.)
'
Does
display
section
light
|NO
ls
secondary
coil
power
up?
voltage normal?
YES
>
»({ Defective
power
supply
>
:
-»{
Defective display section
(Use
clean,
unscratched
y disc.)
(Loading,
disc
setting)
|yo
re Defective
toading
mecha-
Playback
(Abnormal loading)
nism
YES
ls sound obtained?
NO
Does disc rotate?
NO
Does?
disc'
rotate:
during:
ING
Has focus been locked?
NO
Defective focus mechanism
playback mode?
YES
YES
YES
YES
(TP1-3)
Y
y
p
:
P
YES
N
NO
i
:
's noise and/or distortion
Is a pause generated when
INO
Has tracking closed?
gee
*
Pe Defective
tracking
mech
evident?
attempting to search?
anism
NO
YES
YES
(TP1-4)
ry
y
Are
search ~— operations
NO
normal?
Is the EFM normal?
Defective EFM
YES
(TP2-4)
Is the EFM normal?
Does spindle runaway oc- | YES
;
Vee
nia
'
nai?
Defective spindle
Is the carriage
d
Ht
YES
=
8
FORGE
GIVE ¥OMGGE
Defective PLL
between
1 and —2V during
playback mode?
NO
(IC3-2)
~
—.
y
Defective audio circuit
Is any abnormal mechanical
noise generated?
NO
Mechanical repairs
Y
Defective carriage
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