Sony APR-5001 Series Operation And Maintenance Manual page 163

SECTION
6
MAINTENANCE
AND CALIBRATION PROCEDURES
6.1 OVERVIEW
6.2 NECESSARY TOOLS
This section provides the information required to per
-
form routine maintenance ,
full audio alignment
,
and
the electro - mechanical re
-
adjustment of the tape
path
.
All of these procedures do not need to be per
-
formed at
regular service intervals
.
The following is
a
list of test equipment and unique
tools required for performing maintenance or repair
on the
APR - 5000
.
The test equipment marked with
an asterisk (
*
) and the appropriate test tapes
are
the
basic tools necessary for regular preventive
maintenance and alignment
.
Substitute test equip
-
ment should have equivalent
or better
specifications
than the test
equipment
on
the suggested list
.
6.2
.
1 Test Equipment
De
- magnetizer *
—
NORTRONICS Model No
.
QM -
211 or
equivalent
Tbktronix 455 , 60 MHz
,
BW ,
Dual Trace
,
Delayed Sweep or
equivalent
Senheiser UPM - 550 or
equivalent
Signal Generator *
—
Krohn Hite 1000 A
, Hewlett
Packard
209 or
equivalent
Oscilloscope
—
<
z
AC voltmeter *
—
c
u
.
a
g
2
Digital Voltmeter
—
Fluke 77 , Beckman 310 or
equivalent
c
P
<
a
Logic Probe
Flutter Meter
—
a
EMT 424 ( optional )
<
c
c
2
6.2
.
2
Required Service Items
<
U
c
2
1 ) Lint
-
Free
Cleaning
Cloth ( towel , rag
,
etc . )
2 ) Cleaning Piece ( SONY part
# 2
- 034 - 697
-
00 )
,
Foam
swabs
,
or
Photographic Grade Chamois
3
) Cleaning Fluid ( SONY part # Y - 2031 - 001
-
0 )
,
Methanol
, or Commercial Grade Alcohol
2
U
b
• m
6
-
1