Technics SU-8044 Service Manual

SU-8044/K
m LOCATION OF CONTROLS
(off /main/remote/main + remote)
—
headphones jack-———_—-@
-~
“re psewrew a mt
Pr ane Te
inpul selector
tape 2/tape 1 /phono/tuner/aux)
recording selector
tape dubbing 2 » 1/1 © 2/off/phono/tuner/aux)
Fi peak power meter
meter range selector
(MX 1 me X0.1)
VOLTAGE ADJUSTER
TAPE DECK 1 REC/PLAY SOCKET MAIN SPEAKER TERMINALS
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Bahia t ae ie ef
2 ‘ et eer aay
om wet Sete bow
Une
Pan
in 4
-
GROUND
PHONO REMOTE SPEAKER TERMINALS
TUNER SPEAKER CIRCUIT PROTECTION FUSES
aux
| REC OUT PLAYBACK
TAPE DECK {7 [tare DECK 2
PLAYBACK REC OUT
=
¢
The
products
for
destinations
(X)
and
(XA)
are
equipped
with
AC
outlets.
RIGHT CH. POWER AMPLIFIER IC
LEFT CH. POWER AMPLIFIER IC ($9)
POWER
TRANSFORMER
$1)
RECTIFIER
FL PEAK POWER
METER CIRCUITRY
EQUALIZER
POWER SOURCE FUSES AMPLIFIER CIRCUITRY
TONE CONTROL CIRCUITRY
w NOTE
The unit is provided with the speaker circuit protection fuses at the right and left channels respectively. The fuse is to
prevent the power IC from destruction, should the speaker terminals be short-circuited. Accordingly, if the unit fails to
function upon completion of the speaker connections, check the speaker circuit protection fuses first of all for possible
blowing.
m
HOW
TO
REMOVE
THE
AMPLIFIER
CABINET,
BOTTOM
PLATE
AND
FRONT
PANEL
How to remove the amplifier cabinet
1. Remove the 4 setscrews (@ ~ (@ in Fig. 1) on the side and 4 setscrews (6) ~ (®) in Photo t) on the back of the
amplifier cabinet,
2. Shift the cabinet backward and lift it upward. (Arrow @ in Fig. 1)
3. When mounting the cabinet, completely fit the top tug of the cabinet with the tront panel before tightening the
setscrews. (See Fig. 1 ENE.)
“ ~
4 s
‘
fa == - LUG
~h—AMPLIFIER CABINET
/
f
‘
FRONT PANEL —~4
\
~~. tD
Te
. zc. ha*} Oh 4:
, a: 4 See ee
Te hatewes
Janse nF 3s . Ll 4 eee
Nee eS Bad ays ava item\ 9
PHOTO 1
How to detach the front panel
t. Remove the 4 setscrews (95) ~ 48 in Fig. 3) and thea
carefully pull the front panel toward you,
How to detach the bottom plate
t. Remove the 2 setscrews { QD, G2 in Fig. 2} used to
secure bottom plate and 4 setscrews (9), (0, @. @
in Fig. 2) for the tegs. Then the bottom plate can be
detached.
(4)

Technics SU-8044 Specifications

General

Input Sensitivity MM	2.5mV
Input Sensitivity Line	150mV
Output Line	150mV
Type	Integrated Stereo Amplifier
Channel Separation MM	60dB (1kHz)