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ST-S444ES
Note for schematic diagram:
All capacitors are in wF unless otherwise noted. pF : wukF
5SOWV
or
less are
not
indicated
except
for electrolytics
and tantalums.
Alt
resistors
are
in ohms,
%W
unless
otherwise
noted.
kQ
: 10002,M2
: 1000k2
"fest > nonflammable resistor.
4:
internal component.
3
hn
v t
otor
repair
Ac
respect
to ground
unless atherwise
inder
detuned
conditions
with
a V
vay
be noted
due
to normal
produc
VON
moa voltages at circled
pic
FM
Tel
Note: The components identified by shading and mark
A are critical for safety.
Replace only with
part number specified.
Note: Les composants identifiés par une trame et une
marque A sont critiques pour la sécurité. Ne les
remplacer que par une piéce portant le numéro
spécifié.
Switch
Ref. No.
Switch
]
Position
$801
| PRESET
OFF
$802
| PRESET
[2]
OFF
s803
| PRESET
[3]
OFF
$804
| PRESET
[4]
OFF
S805
| PRESET
OFF
s80s | PRESET
[6]
OFF
sso7_ | PRESET
[7]
OFF
sg08 | PRESET
[8]
OFF
$809 | TUNING —
OFF
$810 | TUNING +
OFF
$811
| TUNE MODE
OFF
$812 | HI-BLEND
OFF
S813. | IF BAND
OFF
$314.
| FM/AM
OFF
$815 | CAL TONE
OFF
$816
| MUTING/MODE
OFF
$817.
| SCAN READ
OFF
$818 | MEMORY SET
OFF
s901__|
POWER
OFF
$902.
| PROGRAM
OFF
$903 | 10k/9k
9k
Note:
Voltages are measured with a VOM (50k22/V).
$904
| VOLTAGE
SELECTOR
220V |
: signal path
Fluorescent tube indication
am
ft
STEREO.
56
7 8 @ 10
a
iF
BAND
.
WADE
NARROW
HI-BLEND
-
ON
OFF
MUTING
,
ON
OFF
MODE
:
STEREO
MONO
TUNING
©
AUTO
MANUAL
CAL TONE |
Voltage
and
waveform
have
benn
measured
under
condition shown above.
ST-S444ES
ST-S444ES
4-3.
PART
OF MOUNTING
DIAGRAM
(Serial No. Up to 300200 E model)
(Serial No. Up to 500100 AEP model)
(Serial No. Up to 600100 UK model)
RT301
ceils Ren,
v |
(Serial No. Up to 700300 Canadian model)
a
(Serial No. Up to 800500 US model)
T
a
AM
0302
:
:
METER
BOTT I A
7
Q614 Q6I3 Q6I2 Q6ll
4-4,
PART
OF SCHEMATIC
DIAGRAM
(Serial No. Up to 300200 E model)
(Serial No. Up to 500100 AEP model)
(Serial No. Up to 600100 UK model)
(Serial No. Up to 700300 Canadian model)
(Serial No. Up to 800500 US model)
Q6II~Q620
DTAI44ES
9620
1C602
ra
TL 490CN
my C614
METER ORIVER
0.022
CP605}
© | 100Kx6)!
cr606 i
HOOKK4 I
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