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Technics ST-7300 Service Manual

Technics ST-7300
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eae
:
|
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112.59
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To
SG
To
Tuner
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(SG
imp.
750)!
750
|
To
Tuner
!
TeGowue
|
1500!
Ws
VR301
{
1
L—-—~~~—
~~
4
A-B,
O-€E:
Stereo
OFF
Position.
a
aaa
A
3009
FM
Dummy
Antenna
B8-—D:
Stereo
ON
Position
(Indicator
Lighting).
C:
Adjust
Point
of
Pilot
Circuit.
Fig.
4
(Abb.
4)
Fig.
5
(Abb.
5)
Fig.
6
(Abb.
6)
m@
ALIGNMENT
POINTS
Muting
Level
Signal
Meter
Rec
Check
Level
19
kHz
(VCO)
Separation
Adjustment
Adjustment
Adjustment
Adjustment
AM
ANT
Coil
Adjustment
FM
OSC
Trimmer
AM
OSC
Trimmer
Set
Front
Side
DETECTOR
Fig.
7
T101
L203
FM
Discriminator
AM
OSC
FM
Antenna
Trimmer
(FT
Coil
m
BLOCK
DIAGRAM
TUNING
METER
SIGNAL
METER
ES
kam
SWITCHING
REC
CHECK
SIGNAL
OSC.
cr
4
FILTER
Fe
IC102
a
MUTING
CERAMIC
:
TRI
TR?
CERAMIC
FILTERS
_
'c1o1
)
r=
FM-RF
FM-IF
i
3
EM
On]
AMPLIFIER
winen
G}
2sTEPS
[8)
(1)
—M
IF
3STEPSAMP&
©
Om
S20
S4
(REC
CHECK)
mare
Aces
QUADRATURE
AM.
ne
TR3
Pele
aron
(SELECTOR)
COIL
OSCIL
,
ee
te
ta
:
LATOR
|
|
Rf
pet
cn
tnt
HHS
ES
|
|
LOW-PASS
5)
Leer
,
FILTER
{
(C101
|
|
STEREO
OUTPUT
ys
a
ey
eed
ae
eS
ee
Cr
aes
|
INDICATOR
Af
DE
O
p
Ss
AF
|
-
LOW-PA
)
+B—
ph
EMPHASIS]
FILTER
[)
JAMPLIFIER
©)
riGHT
"
|
Nay,
|
|
|
-—-———
TR402
AM-RF
IF
AM
(JaMPLIFIER
MIXER
AMPLIFIERKD
IFT
DETECTOR
;
1203
D202
|
LOCAL
|
OSCIL-
|
l
LATOR
l
]
Me
ree
a
St
ee
es
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ee
se
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J
[6]
ST-7300

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Technics ST-7300 Specifications

General IconGeneral
BrandTechnics
ModelST-7300
CategoryTuner
LanguageEnglish

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