Technics SA-T670KFP User Manual

PROTECTION CIRCUIT CHECK
Main Amplifier
(lCQ)
Alignment
1.
The'lCQ'adjustment should be
started
in less than
30
secs after setting
the
power
switch to the ON
position.
2. Left Channel
.
Connect DC
voltmeter between
TP601 and TP603.
.
Adjust VR60 1 to
B
mV
on DC voltmeter
indication,
3.
Right
Channel
.
Connect DC
voltmeter between
TP602 and
TP604.
o
Adjust VR602 to B
mV
on
DC voltmeter
indication.
Note:
The
unit is
provided
with
speaker
circuit
protection
fuses
for the
right and lelt
channels
respectively. The
fuse
protects
the
power
transistor
lrom
damage
should the
speaker terminals
be short circuited. Accordingly
if the
speakers fail to operate
after
the
speaker
connections
are
made, check whether the speaker circuit
prolection
fuses
are
intact
or
blown.
+
FRONT
vnsoz
@
ALIGNMENT
POINTS
Stereo modulator
FN,I S.G.
Tape 2
Playback
REC OUT AUX
PHONO
FM
IFT T1
300ohms
+
FM
Dummy
Antenna
To S.G.
(S.G.
imp. 75 ohms)
vnoor
@B
Fi9.4
{Abb.4)
.Tffi7O
x+x
06
B
VR3O1
A-8, O-E: Stereo
OFF
Posilion
B-D:
Stereo ON
Posilion
(lndicator
lighting).
C:
Adjusl
Point
ol
Pilot
Ci.cuit
Fig.
5
{Abb.
5)
To
Output
Meter
Low Pass Filter
(lc
=
15
k
Hz
-
19 kHz)
Fiq.
6
(Ab.
6)
sA.T670
L5
t2
FM FF OET Coil
CT1 FM
ANT Trimmer
L1 FM ANT CoiI
CT201
AM ANT
Trimmer
CT2
FM
DET
Trimmer
VR3O1
PLL
VCO
Adjustment
L2O1 AM
ANT
COII
VF1O2
METER-
LEV
VR302
Seoaralion
FM OSC Coil L7
FM
OSC
Trimmet
FM
RF DET
CT3
-
-
AM osc coit L2o2
F[Sl
tM uruuorr uuz
-
-[6l
fol
AM IFT T2O1
T2i2+v
TP
201
@
T2O3
F
Gs
Muting
Level
Adt. VF102
AM OSC
Trimmer
CT202
Speakers
Terminal
(Sine
Wave)
FM
Discr IFT
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Technics SA-T670KFP Specifications

General

Brand	Technics
Model	SA-T670KFP
Category	Receiver
Language	English