Sony TA-2000F - Disassembly and Replacement Procedures; Tools Required; Top Cover and Front Panel Removal

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SECTION 2
DISASSEMBLY AND REPLACEMENT PROCEDURES
WARNING
——
Hardware
Nomenclature
Unplug
the
ac
power
cord
before
starting
any
disassembly
or
replacement
pro-
Pan Head Screw
cedures.
Pan
Head
Screw
with
Spring
Washer
2-1.
TOOLS
REQUIRED
Flat
Countersunk
Head
Screw
..
.
The
following
tools
are
required
to
perform
Binding
Head
Screw
disassembly and replacement procedures on the
TA-2000F.
:
Oval
Countersunk
Head
Screw
..
1.
Screwdriver,
Phillips-head
Truss
Head
Screw
2.
Screwdriver,
3
mm
(1/g")
blade
Round
Head
Screw
3. i long-
PHSE, AORE ROS Flat Fillister Head Screw
4. Diagonal cutters
Set Screw
5. Wrench, adjustable
E — Retaining Ring (E Washer)
6. Tweezers
WwW Washer
7.
Soldering
iron,
40
to
50
watts
SW
Spring
Washer
LW Lock Washer
8.
Soldering
iron,
solder-sucker
tip
N
Nut
9.
Solder,
rosin
core
~
Example
—
Type of Slot
® P 3x10
2-2.
HARDWARE
IDENTIFICATION
GUIDE
oe
:
Length inmm(L) 7 T
: : L
The
following
chart
will
help
you
to
decipher
Diameterinmm(D)
;
1.
the
hardware
codes
given
in
this
service
manual.
Type
of
Head
«0
“Di
Note: All screws in this set are manufactured
to the specifications of the International
Organization
for
Standardization
(ISO).
2-3.
TOP
COVER
AND
FRONT
PANEL
This
means
that
the
new
and
old
screws
REMOVAL
are
not
interchangeable
because
ISO
:
screws
have
a
different
number
of
1.
Remove
the
two
machine
screws
at
each
side
threads
per
mm
compared to
the
old
of
the
case
and lift
off
the
top
cover.
ones. The ISO screws have an identi-
fication mark on their heads as shown in 2. Remove all control knobs and levers.
Fig. 2-1. The knobs can be removed by loosening the
slotted set screws and pulling the knobs
straight out. The levers are simply pulled off.
3. Remove the four self-tapping screws (© B 3x6)
jaentitnation securing the front subchassis’s top cover and
Mark lift off it. See Fig. 2-2.
4. Remove the three screws (@PS 4x5) behind
the top edge of the front subchassis as shown
in Fig. 2-3.
5. Remove the three self-tapping screws (® B 3x6)
at the front bottom of the chassis as shown in
Fig. 2-1. 1SO screw Fig. 2-4. This frees the front panel.