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Sony APR-5000 Technical Service page 139

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6.3
.
3
Adjustments
After
Capstan
Motor
Replacement
1 )
Play Tape Path Check
/
Adjustment
:
Appendix
F
2
)
Flutter Check /
Adjustment
:
Section 6.6
.
7
n
6.3
.
4
1
)
Wind Speed Tape Path Check
/
Adjustment
:
Appendix
F
2
)
Play Speed Tape Path Check
/
Adjustment
:
Appendix
F
3
)
Flutter Check
:
Section 6.5
.
7.1
4
) Mechanical Head
Alignment
Check /
Adjustment
:
Appendix
F
6.3
.
5
Adjustments After CNL Card Replacement
1
) CNL
Card Internal
Alignment
Check /
Adjustment
:
Section
6.8
.
1
2
)
Meter Calibration Check /
Adjustment
:
3
)
Regro
/
Sync
4
)
Repro
/
Sync High Frequency
Calibration Check
/
Adjustment
:
Sect ion 6.6
.
5
Adjustments
After Roller Guide
Replacement
Section 6.6
.
3
Level Calibration Check /
Adjustment
:
Section
6.4
Cleaning
and
Demagnetizing
6.4
.
1
General Notes on
Cleaning
Before
attempting
the
alignment procedures
all tape
guides
and heads should be thoroughly cleaned and
demagnetized
.
Cleaning
fluid or methanol
(
commercial cleaning alcohol
)
is
applied with
foam swabs
or photographic grade chamois
to
clean the
specified parts
,
refer to
Figure 6
-
2 for
parts
location
.
refer to the
specific
sections for these procedures
(
Section
6.4
.
2 and 6.4
.
3
)
.
When
cleaning
the
capstan or
the
moving guides
* »
NOTE
:
DO NOT USE CLEANING FLUID ( METHANOL ) ON THE PINCH
ROLLER
,
CAPSTAN SHAFT
,
OR THE
TIMER ROLLER
.
THE
PINCH
ROLLER OR TIMER
ROLLER
WITH THE CLEANING
FLUID WILL DETERIORATE THE RUBBER
.
CAPSTAN SHAFT WITH THE CLEANING FLUID IS USELESS AS
THE CLEANING FLUID WILL NOT REMOVE THE DEEP
DISCOLORATION THAT OCCURS WITH HEAVY MACHINE USE
.
CLEANING
CLEANING THE
n
6
-
8

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