Sony ST-JX44L Service Manual page 26

Fm stereo/fm-am tuner
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AEP—W. Germany model: Serial No. 506501 and later.
AEP model:
Serial No. 505601 and later.
1C201
pPCl235c
Q201,202 2SC1364
FM "MPX
16.2V
MUTING
2.5V
RI23 Cid
39k
10/I6V
[OUTPUT BOARD (I/2)}
c2i7
\
RIG ay 50v
3k
p
215 = R214
76kHz TO
38 KHz TO
OUTPUT]
|
BkHz
19 kHz
"DNIDER
or
c2i8
VIDER
Rel 0.47/50
33)
wv
+
203 1SI555
Q413 2SAlli5
ST/MONO SWITCH
0414-419
2sci364
.
FL DRIVE
- FL401
FLUORESCENT
DISPLAY
TUBE
IMeMory | 7
FOIA
OHIe A
FOOT
T bm
an ||
1 ww Wy
Ker HH MUTING
cS FM
—31.8V
Q501
280880
Q502 250809
Q503 2S0789
0504
2SB734
REGULATOR
D501 SIVBIO
D506,507 10E-2
D508 EQAOI-06R
|
——
RECT
0502
HZI6-IL
I
D503
HZ6C-2L
0504, 505 HZ30-2L
"REGULATOR
——
ST-JX44L
All capacitors are in uF unless otherwise noted. pF : uuF
SOWV
or less are not indicated except for electrolytics
and tantalums.
:
All resistors are in ohms,
%W
unless otherwise
noted.
kQ : 10002,M2Q
: 1000 kN
fea} : nonflammable resistor.
A:
internal component.
[~] : panel designation.
(__]
: adjustment for repair.
: B+ bus.
—-—:
B- bus.
Voltages
are dc with
respect
to ground
unless otherwise
noted.
Readings are taken under no-signal (detuned) conditions
with a VOM
(50 kQ/V).
NO MARK:
FM
<
>
: AM (MW/LW)
Voltage
variations
may
be noted
due
to normal
produc-
tion tolerances.
n>
Signal path
e components identified by shading and mark
A are critical for safety.
Replace only with
part number specified.

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