Technics SA-203

Dial scale P))
holder |
Dial scale
holder
(Rubber)
NI
Dial scale
Pare SS SX
Peak-power indicators SK SS
printed circuit board
[Fig. 4]
Power amplifier IC Rear panel
Front panel
[Fig. 7]
jterminal
late
(rare et
AM antenna coil Rear panel Speaker terminal case
c—
fae | a
3 0000/0l0004
Input terminals Antenna terminals Speaker terminals AC cord
Oo ©
O©D0®
2@
Go
[Fig. 5]
AM
antenna
coil
Rear
panel
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|
Sodd
©
[6060
:
@
20
s2/0lop0Fle
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|
Input terminals Antenna terminals Speaker terminals AC cord
[Fig. 6]
e How to remove the power amplifier IC
1. Remove the cabinet. (Refer to the section “How to
remove the cabinet.’’}
2. Remove the 6 setscrews (Fig. 2:@,@and ®@~ @)
and 3 setscrews (Fig. 5: @ ~ @ ) of the speaker
terminal case.
3. Remove the speaker terminal case.
4. Remove the 2 setscrews (Fig. 6: @ , @ ) of the
heat-sink.
5. Remove the 3 setscrews (Fig. 7: @ ~ ®).
6. Pressing the claws of the input termina! plate and
antenna terminal plate in the direction of arrow@
(Fig. 7), lift up the front panel in the direction of
arrow @ (Fig. 8). Then, the front panel can be
removed from the rear panel.
7. Remove the 2 setscrews (Fig.9: @ ,@ ) of the
heat-sink,.
8. Unsolder the power amplifier !C. (Fig. 9).
9. Remove the 2 setscrews (Fig. 10: @ , @ ) used to
secure the power amplifier IC on the heat-sink, and
then pull the power amplifier IC.
10. When mounting the power amplifier IC, apply silicone
compotnd (or equivalent heat diffuser) to the back of
power amplifier IC.