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Pioneer DR-R504X Service Manual page 53

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(
(
SERVICE
INFORMATION
Date:
Nov.
14,
1995
1/1
No:
SI-VS0085-G
SER.
No S/M No
PG
MODEL
No
*
SER.
NO' S/M No
PG
A PJ0403531-
RRVI 199
30-
DETAIL
.S.ametimes
..
an
.
.error .. occurs .. during.rec.ar.ding.
.
.play
..
back.and
.
.s.eek..aperatian.under.highotemperature.
..................
.
.en'lliranment
..........................................................................................................................................................
----·---··········-··-----·--·------·---·····
SYMPTOM
A .char.act.eristic . .af.defoc.us.becomes
.
.a
.
.critic.aL..
...............................................................................................................................
.
CAUSE
#
--···----·····-·
-~~-~~$.:
..
~.
f
..
~~!:1-~
...
<?.f.~~~.
~
--~~j~-
~
-~.:~.~=········-··---·--······-··--·····-······---·····--·····-··-----·-············---·········-··
··-····-·····-······-·-····--·---·-···-·-·
SERVICE
REMEDY
#
-~-··-·-·-·····
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--~~-~.~---?.f.~~~.
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P ACTOR Y
................
·······--······-········-·-···---····-·····-·-· ······-·
··-··········------···---·-···-------·-·---············-····-·-····--·--· ···---------··--·-···--··---·--·--···-·-·-·- -············-·-·-······---·········
COUNTER
·····--·-·····-·
·····-········--········-··················-········-·······-·····························································································-················-·············-----········-····-····
-MEASURE
COUNTERMEASURE
I .Perform
"P30,
5.3 Adjustments" of service manual.
Adds an adjustment to "P41, 9.Fine focus offset adjustment".
Adjust 3T of RF waveform for Max, with normal speed (uses CD-R disc recorded at factory) .
.
2.Make sure recording, playback and seek operation.
Focus offset adjustment value becomes it almost just and obtains more margin under high
temperature.
We will inform you about part number for CD-R Test disc.
_ _ R_e_f_.
_ _ _ _ _ _ _
-"'C-"-U=R=R=E=NT-=---'P'-'A=R'-'-'T~S~----- C 0
NEW
PARTS
#
SYMBOL/DESCRIPTION
PART
NUMBER DE PART
NUMBER
SYMBOL/DESCRIPTION
A
adjusuncnt
- - - - -
- - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - -
- - - - - -
- -
- - - - - - - - - - - - - -
-------
-----
- - - - - - - - - - - -
- - - - - -
NOTE: PARTS
--·CODE
-l
. . . .
.1DM5(Hl48
....
I: Changeable from old to
new.
Classify
L
]
2: Not Interchangeable at
all.
3: Interchangeable
in
both
ways.
5: Do not use old
parts.
-----
-- - - -
AI-105

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