Sony ST-D50L User manual

This Set The Tuner Section
In XO-D50
SPECIFICATIONS
Tuner section
Syslem MF slereo, FM/AM Superheterodyne tuner
FM tuner section
Tuning range
Antenna terminals
87.5 to 108 MHz
75 ohms unbalanced
MW/LW tuner section
AEP Model
UK Model
TABLE OF CONTENS
Tuning range
522 to 1,611 kHz
(Italian model)
531 to 1,602 kHz
(Other European
144 to 288 kHz
(Italian model)
153 to 281 kHz
(Other European
countries) countries)
Anlenna AM Loop antenna, External antenna terminal
Intermediate
450 kHz
frequency
Dimensions Approx. 35570 X310 mm (Wh/d)
(14X2!/,,X12'/, inches)
lricl. projecting parts and contiols
Weight Apprtx. 1.9 kg (4 Id 3 02)
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK A OR DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
MICROFILM
Section Title Page
Specifications «1.0.6... eee e cece eee ee |
SECTION1 GENERAL .....................005005 2
1-1. Parts Identification .................005, ; 2
SECTION 2 ELECTRICAL ADJUSTMENTS ....... 3
2-1. FM Section Adjustment ..............-.ee eee 3
2-2. AM Section Adjustment ...............+..055- 3
SECTION 3 DIAGRAMS .....................0005- Hy
3-1. Printed Wiring Board
—Tuner Section— .......... see eeeee eee eee 5
3-2. Schematic Diagram
—-Tuner Section— .....---. cece eee eee ees 7
3-3. Printed Wiring Board
—Panel Section— ......... cece eee ee eee eee 9
3-4. Schematic Diagram
—Panel Section— ...... cece eee eens 11
@Semiconductor Lead Layouts ........-...--..56+- 10
SECTION 4 EXPLODED VIEW ..................-- 13
SECTION5 ELECTRICAL PARTS LIST.......... 14
FM STEREO /FM/MW/LW TUNER
SONY.

SECTION 1
GENERAL
1-1. PARTS IDENTIFICATION
ee Re amie
ee
—
ee.
ee oe =
ee
Se es
oS es
(1] BAND selector
ST-DS50L: FM, MW, LW
ST-D50S: FM, MW, SW1, SW2
[2] AUTO/MANUAL mode selector
[3] Band/frequency display
[4] PRESET buttons
[5]
TUNING
+/—
buttons
(station
selector)
(6] MEMORY SCAN button
[7] MEMORY button

ST-D50L
SECTION 2
ELECTRICAL ADJUSTMENTS
@ Repeat the procedures in each adjustment several times, and
the frequency coverage and tracking adjustments should be
finally done by the trimmer capacitors.
2-1. FM SECTION ADJUSTMENT
Setting: Vik
FM RF SSG
STEREO MOD
[ as |
(STEREO ADJ ONLY) / }
FM ANTENNA terminal CNP101
Ipin (R-CH)
3pin (L-CH)
Carrier frequency : 98MHz
Modulation i 1kHz
Deviation : 40kHz (MONO only)
Output level : 66dBu (at NULL/STEREO Adjustment)
: 25dBu (at TUNED Adjustment)
Stereo MOD setting
Sub channel 1 38kHz
Deviation : 16.25kHz
Pilot signal 2 19kHz
Deviation 1 7.5kHz
Modulation ¢ 1kHz—16.25kHz deviation
1. Discriminator Alignment (NULL check)
1. Push the TUNING (+, —) button for 98MHz.
Adjust T251 for 0V reading on the VTVM.
test point = TP101
2. Tuned Lighting-on Adjustment
1. Puch the TUNING (+, —) button for 98MHz.
2. Tune RV103 clockwise or counterclockwise and memorize the
lighting-up range of tuned indicator.
3. Adjust RV103 at the center of the lighting-up range of both
turns as shown below.
center of lighting-up ranges
lighting-up range
} OUTPUT
3. Stereo Separation Adjustment
FM stereo
signal generator
output channel
VTVM connection
VTVM reading (dB)
®
® Adjust RV101
for minimum reading.
©
® Adjust RV101
for minimum reading.
L-CH Stereo separation : @—®
R-CH Stereo separation : ©—®
The separation of both channels should be equal.
Specification : 35dB
2-2. AM SECTION ADJUSTMENTS
Setting:
VTVM
AM
; j
30%. amplitude wy ANTENNA terminal CNP101
modulation
by
Ipin
(R-CH)
400Hz
signal
5
T
gna
3pin
Masi
PuirY
1. LW Frequency Coverage Adjustment
Frequency display 153kHz
[Raisinenriae [iSO
2. MW Frequency Coverage Adjustment
AEP, UK, WG model 531kHz
Adjustment part
IT model 522kHz
FE181(OSC)
Adjustment Location:
Frequency display 1602kHz
1611kHz
s60ak Hs
etait
L—)
a
in set
VT ® @V+02V
TUNER BOARD ® LW Voltage at test point
® MW Voltage at test point
ST-D50L
3. LW Tracking Adjustment
Frequency display AEP, UK, WG model 153kHz
in set IT model 144kHz
FEse2 (ANT)
Adjustment for a maximum reading on VT VM.
4. MW Tracking Adjustment
AEP, UK, WG model — 53lkHz
522kHz
FE181 (ANT)
Frequency display
in set IT model
Adjustment part
Adjust for a maximum reading on VTVM.
5. Tuned Lighting-on Adjustment
1. Push the TUNING (+, —) button for LW: 281kHz (AEP/UK,
WG model) or 288kHz (IT model).
2. Turn RV102 clockwise or counter clockwise and memorize the
lighting-up range of tuned indicator.
3. Adjust RV102 at the center of the lighting-up range of both
turns as shown below.
center of lighting-up ranges
lighing-up range
At SSG OUTPUT 68dBuz > -
Adjustment Location:
TUNER BOARD CNP101
3 1
(L-CH) (R-CH)
LW FREQUENCY COVERAGE
NULL Adjustment
FM TUNED Adjustment TP101 test point
LW TRACKING Adjustment
MW TRACKING Adjustment
NULL Adjustment
Stereo
Separation
Adjustment
AM
TUNED
MW
FREQUENCY
COVERAGE
Adjustment
Adjustment

H
SECTION 3 DIAGRAMS
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e WG: West Germany Model
IT: Italian Model
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ST-D50L ST-D50L
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3-2.
SCHEMFITIC
DIAGRAM—TUNER
SECTION—
@
Refer
to
page
9
for
notes.
1
[TUNER
A —_
Tyrol
FM 752)
7
BOARD}
FM FRONT-END
3
QIOl - Q104
R103
120
Q108, Q109 >
FM B+ SWITCH
ST-D50L
ST-D50L
ci40 Some : WG,IT
1 /50V : UK, AEP
11
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LW
C184
0.022
Qis2
BAND
SWITCH
(MW)
3x
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28C3399-TP
R226 10K
ql
C207 0.022
sh
R224
100
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FMIN
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TO PANEL BOARD
CN302
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DET/MPx
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{ FMIN vpD AM QUT FM FM OUT = Veo R
D-O-O-O-O-O-O-O OG (5)
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Note: The components identified by mark A or dotted
line with mark are critical for safety.
Replace only with part number specified.
6 7 d1 20 30 40 80 60. 70 80 @ Signal path.
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8 5 #8 2 ei ie oe Ss ee 4
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+ -
ST-D50L ST-D50L
3-3. PRINTED WIRING BOARD—Panel section—
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TO TUNER BOARD TO TUNER BOARD
CNP 201 CNP 202
[PANEL BOARD]
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t— Note on Schematic Diagram: tuner section Note on Mounting Diagram: Note on Schematic Diagram: e Semiconductor Lead Layouts
e All capacitors are in wF unless otherwise noted. pF: uuF : : : 4
bes : ® o—: parts extracted from the component side. e All capacitors are in uF unless otherwise noted. pF: wuF
ewe tne are not indicated except for electrolytics 50WV or less are not indicated except for electrolytics CXA1269S 2SA1317SU GMAO1
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2SA1348
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28C3402
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e@ sme © B+ bus. D359 B y O Ref. No. Switch (Top view)
o
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B—
bus.
———
$301
PRESET
STATIONS
1
OFF
e@ Voltage and waveforms are de with respect to ground D360 C x O PRESET STATIONS 2
under no-signal (detuned) conditions.
Fs raat OR @ WG: West Germany Model PRESET STATIONS 3 LA 5667
( ): Mw IT: Italian Model PRESET STATIONS 4
< > > EY “ : PRESET STATIONS
5 Voltages are taken with a VOM (50 k@/V). Semiconductor PRESET STATIONS
Voltage variations may be noted due to normal produc- Location
PRESET STATIONS
PRESET STATIONS OFF
PRESET STATIONS
PRESET STATIONS
PRESET STATIONS
PRESET STATIONS
TUNING (+) OFF
TUNING (—) [_OFF
MEMORY OFF
MEMORY SCAN OFF
AUTO/MANUAL MODE
tion tolerances.
e@ WG: West Germany Model
IT: Italian Model
Ref. No. | Location
2SC2785E
cathode
e WG: West Germany Model
IT: Italian Model
(Top view)
e@ Voltages are taken with a VOM (50 kQ2/V).
Voltage variations may be noted due to normal produc-
tion tolerances.

ST-D50L
ST-D50L
3-4.
SCHEMATIC
DIAGRAM—Panel
section—
15
14
13
12
11 10
SIGIN
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tF-SOK
D361
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NOTE:
@ The mechanical parts with no reference
number in the exploded views are not
supplied.
e@ The construction parts of an assembled
part are indicated with a collation num-
ber in the remark column.
e@ Items marked “*" are not stocked since
they are seldom required for routine
service. Some delay should be antici-
pated when ordering these items.
SECTION 4
EXPLODED VIEW
e@ Due to standardization, parts with part
number suffix -XX and -X may be dif-
ferent from the parts specified in the
components used on the set.
e@ Color Indication of Appearance Parts
Example:
(RED) ...KNOB, BALANCE (WHITE)
t
t
Cabinet’s Color Parts Color
ST-D50L
WG: West Germany Model
Remark
IT: Italian Model Se
1
Ref.No Part No. Description Remark Ref.No Part No. Description
1 4-921-906-01 FELT 9 * 4-835-627-00 FASTENER, (A)
2 X-4924-516-1 (AEP,UK, IT) ....PANEL ASSY, FRONT 10 7-685-646-79 SCREW +BVTP 3X8 TYPE N-S
X-4924-518-1 (WG) ....PANEL ASSY, FRONT 11 7-685-134-11 SCREW +PTP 2.6x8
3 * 4-921-941-11 CUSHION (FL) 12 7-682-548-04 SCREW +BVTT 3X8 (S)
4 * 4-923-103-01 HOLDER, FL TUBE 13 7-685-647-79 SCREW BVTP 3X10 TYPE2 IT-3
5 4-924-514-31 (AEP, UK, IT) ....CASE 14 3-704-366-01 SCREW (CASE) (M3X8)
4-924-514-21 (WG) ....CASE 901 +*A-4351-635-A (AEP, UK) ....MOUNTED PCB, TUNER
6 * 4-924-502-01 (AEP, UK, IT) ....PANEL, BACK * A-4351-636-A (WG, IT) .... MOUNTED PCB, TUNER
*4-924-502-11 (WG) ....PANEL, BACK FE101 1-463-963-11 FRONT END (FM 3 GANG)
7 X-4921-901-1 FOOT ASSY FL301 1-519-453-11 INDICATOR TUBE, FLUORESCENT
8 *4-921-903-41 CHASSIS TM101 * 1-537-138-21 TERMINAL BOARD (ANT)
ST-D50L
SECTION 5
ELECTRICAL PARTS LIST
NOTE:
© Due to standardization, replacements in the parts
list may be different from the parts specified in
the diagrams or the components used on the set.
e@ items marked “*' are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
e if there are two or more same circuits in a set
such as a stereophonic machine, only typical
circuit parts may be indicated and capacitors and
resistors in other same circuits may be omitted.
Ref.No Part No.
901 *A-4351-635-A (AEP, UK) ....MOUNTED PCB, TUNER
901 »*A-4351-636-A (WG, IT) ....MOUNTED PCB, TUNER
CAPACITOR
Description
C101 =: 1-102-074-00 CERAMIC O.001IMF 10%
C102 =: 1-102-074-00 CERAMIC O.001MF = 10%
C103 =: 1-124-477-11 ELECT 47MF 20%
C104 =: 1-101-005-00 CERAMIC 0.022MF
C105 = 1-101-005-00 CERAMIC 0.022MF
C106 =1-101-005-00 CERAMIC 0.022MF
C107 ~—:1-101-005-00 (WG, IT)....CERAMIC 0.022MF
C108 = 1-101-005-00 (WG, IT)....CERAMIC 0.022MF
C109 =: 1-101-006-00 CERAMIC 0.047MF
C110) =: 1-124-477-11 ELECT 47MF 20%
C111 —-1-101-005-00 CERAMIC 0.022MF
C112 =: 1-123-382-00 ELECT 3.3MF 20%
C113 —-1-101-004-00 CERAMIC 0.01MF
C117 —:1-130-483-00 MYLAR 0.01MF 5%
C118 =: 1-102-962-00 CERAMIC 30PF 5%
C119 =: 1-123-875-11 ELECT 10MF 20%
C120. 1-124-902-00 ELECT 0.47MF 20%
C121) =: 1-124-499-11 ELECT 1MF 20%
C122 = 1-124-252-00 ELECT 0.33MF 20%
C123: 1-101-004-00 CERAMIC 0.01MF
C124 ~=—-1-101-004-00 CERAMIC 0.01MF
C125 =: 1-123-382-00 ELECT 3.3MF 20%
C126 =: 1-123-382-00 ELECT 3.3MF 20%
C127 ~—s-: 1-124-463-00 ELECT 0.1MF 20%
C128 =1-101-004-00 CERAMIC 0.01MF
C129 = 1-101-005-00 CERAMIC 0.022MF
C130 =: 1-124-927-11 ELECT 4.7MF 20%
C131 —-:1-101-006-00 CERAMIC 0.047MF
C132 =: 1-124-444-00 ELECT 220MF 20%
C133 =: 1-101-006-00 CERAMIC 0.047MF
C134 ~—-1-101-004-00 CERAMIC 0.01MF
C136 =: 1-123-382-00 (WG, IT)...
C138. 1-123-382-00 (WG, IT)....ELECT | 33MF 20%
©139 \. 1-162-283-31 (WG, IT)....CERAMIC 120PF 10%
C140 =: 1-124-463-00 ELECT O.1MF . 20%
.ELECT =. 3.3MF 20%
C140 =: 1-124-902-00 (WG, IT)....ELECT 0.47MF 20%
C141 = 1-124-478-11 ELECT 100MF 20%
C142, ~—s-1-101-005-00 CERAMIC 0.022MF
C143 —-1-101-005-00 CERAMIC 0.022MF
C181 =1-101-005-00 CERAMIC 0.022MF
C182 1-101-005-00 CERAMIC 0.022MF
C184 ~—s-:1-101-005-00 CERAMIC 0.022MF
C185 =: 1-102-120-00 CERAMIC
C186 =: 1-161-041-00 CERAMIC
0.0018MF 10%
0.0015MF 10%
C187 —- 1-101-005-00 CERAMIC 0.022MF
C201 =1-101-884-00 CERAMIC 56PF 5%
C202 1-101-880-00 CERAMIC 47PF 5%
C203 =—1-101-004-00 CERAMIC 0.01MF
Remark
CAPACITORS:
MF: uF, PF: uF.
RESISTORS
e Allresistors are in ohms.
e@ F: nonflammable
COILS
@ MMH: mH, UH: wH
SEMICONDUCTORS
In each case, U: yw, for example:
UA...: wA..., UPA...: uPA...,
UPC...: uwPC, UPD...: wPD...
Ref.No Part No.
C204 =1-101-004-00
C205 = 1-124-477-11
C206 =1-101-005-00
C207. ~—- 1-101-005-00
C208 =: 1-124-477-11
50V
50V C209 = 1-136-173-00
25V C210 = 1-124-463-00
50V C211 = 1-124-925-11
50V C212 ~—-1-124-463-00
C213 ~—-:1-101-005-00
50V
50V C214 ~—-1-101-004-00
50V C215 =: 1-102-973-00
50V C251 =‘ 1-101-004-00
25V C252 = 1-126-105-11
C253 = 1-124-902-00
50V
50V C254 = 1-124-444-00
50V C255 = 1-124-477-11
50V C256 =: 1-101-005-00
50V C257 ~—- 1-101-005-00
C258 = 1-136-165-00
50V
50V C301 =1-124-463-00
50V C302 = 1-162-056-00
50V C303 =: 1~162-056-00
50V C304 =: 1-124-463-00
C305 = 1-161-379-00
50V
50V C306 =: 1-161-379-00
50V C307 = 1-124-910-11
50V C308 = 1-125-486-11
50V C309 = 1-124-910-11
C310 = 1-101-005-00
50V
50V C311 —-:1-101-005-00
50V C312 ~~ 1-101-005-00
10V C313 = 1-101-005-00
50V C314 ~—- 1-101-005-00
C315 = 1-101-005-00
50V
50V C316 =: 1-101-005-00
50V C317. —-1-101-005-00
50V C507 —s: 1-101-004-00
50V C508 =1-101-004-00
C509 =: 1-101-004-00
50V
25V C510 1-101-004-00
50V
50V CF101 1-567-389-11
50V CF102 1-567-389-11
CF103 1-567-389-11
50V CF104 1-577-075-11
50V CF301 1-577-029-11
50V
25V
50V CNP101 *1-566-856-11
CNP201 *1-566-168-11
50V CNP202 *1-566-168-11
50V CNP251 1-566-857-11
50V CNP301 *1-566-168-11
The components identified by
mark A or dotted line with mark
are Critical for safety.
Replace only with part number
specified.
WG: West Germany Model
IT: Italian Model
Description Remark
CERAMIC 0.01MF 50V
ELECT 47MF 20% 25V
CERAMIC 0.022MF 50V
CERAMIC 0.022MF 50V
ELECT 47MF 20% 25V
FILM 0.47MF 5% 50V
ELECT 0.1MF 20% 50V
ELECT 2.2MF 20% 50V
ELECT 0.1MF 20% 50V
CERAMIC 0.022MF 50V
CERAMIC 0.01MF 50V
CERAMIC 100PF 5% 50V
CERAMIC 0.01MF 50V
ELECT 1000MF 20% 35V
ELECT 0.47MF 20% 50V
ELECT 220MF 20% 10V
ELECT 47MF 20% 25V
CERAMIC 0.022MF 50V
CERAMIC 0.022MF 50V
FILM 0.1MF 5% 50V
ELECT 0.1MF 20% 50V
CERAMIC 33PF 5% 50V
CERAMIC 33PF 5% 50V
ELECT 0.1MF 20% 50V
CERAMIC 0.01MF 30% 16V
CERAMIC 0.01MF 30% 16V
ELECT 47MF 20% 50V
220MF 5.5V
ELECT 47MF 20% 50V
CERAMIC 0.022MF 50V
CERAMIC 0.022MF 50V
CERAMIC 0.022MF 50V
CERAMIC 0.022MF 50V
CERAMIC 0.022MF 50V
CERAMIC 0.022MF 50V
CERAMIC 0.022MF 50V
CERAMIC 0.022MF 50V
CERAMIC 0.01MF 50V
CERAMIC 0.01MF 50V
CERAMIC -0.01MF 50V
CERAMIC 0.01MF 50V
FILTER, CERAMIC
FILTER, CERAMIC
(WG, IT)....FILER, CERAMIC
OSCILLATOR, CERAMIC
VIBRATOR, CERAMIC
SOCKET, CONNECTOR 5P
HOUSING, CONNECTOR 8P
HOUSING, CONNECTOR 8P
SOCKET, CONNECTOR 7P
HOUSING, CONNECTOR 8P

ST-D50L
Ref.No
Part
No.
Description
Remark
Ref.No
Part
No.
Description
Remark
CNP302
*1-566-168-11
HOUSING,
CONNECTOR
8P
Q201
8-729-820-12
TRANSISTOR
2SK772-E
Q202 8-729-820-13 TRANSISTOR 2SC3820
CP201
1-233-125-11
COMPOSITION
CIRCUIT
BLOCK
Q203
=8-729-820-12
TRANSISTOR
2SK772-E
CP301
1-233-140-11
COMPOSITION
CIRCUIT
BLOCK
Q204
8-729-820-13
TRANSISTOR
2SC3820
CP302
1-233-140-11
COMPOSITION
CIRCUIT
BLOCK
Q251
8-729-820-10
TRANSISTOR
2SA1317
CP303 1-233-151- COMPOSITION CIRCUIT BLOCK
CP305
1-233-150-
COMPOSITION
CIRCUIT
BLOCK
Q301
8-729-806-34
TRANSISTOR
2SC3400
CP306
1-233-150-
COMPOSITION
CIRCUIT
BLOCK
RESISTOR
CP307 1-233-150- COMPOSITION CIRCUIT BLOCK
R101 A\1-247-704-11 CARBON 220 5% W/4Ww OF
D102
=:
1-806-937-11
DIODE
GMA01
R103
1-249-406-11
CARBON
120
5%
1/4W
D251
=8-719-200-02
DIODE
10E2
,
R105
=
1-249-432-11
CARBON
18K
5%
1/4W
D252
8-719-200-02
DIODE
10E2
R106
1-249-411-11
CARBON
330
5%
1/4W
D253
8-719-200-02
DIODE
10E2
R107:
1-249-414-11
CARBON
560
5%
1/4W
D254 = 8-719-200-02 DIODE 10E2 ,
R108 1-249-411~11 CARBON 330 5% 1/4W
D301
1-806-937-11
DIODE
GMA01
R109
=1-249-434-11
CARBON
27K
5%
1/4W
D302 1-806-937-11 DIODE GMA01 ‘R110 =: 1-249-432-11 (WG,IT)....CARBON 18K 5% 1/4W
D303. =: 1-806-937~11 DIODE GMA0L Rill = 1-249-411-11 (WG,IT)....CARBON 330 5% 1/4W
D351 ~=—-1-806-937-11 DIODE GMA01 R112. 1-249-416-11 (WG,IT)....CARBON 820 5% 1/4W
D352: 1-806-937-11 DIODE GMA0l
R113: 1-249-411-11 (WG,IT).... CARBON 330 5% 1/4W
D353: 1-806-937-11 DIODE GMA01 R114 —-1-249-434-11 (WG,IT).... CARBON 27K 5% 1/4W
D354 ~—-:1-806-937-11 DIODE GMAO01 R115 A\1-247-700~-11 CARBON 100 5% 1/4W F
D355 ~—-1-806-937-11 DIODE GMA01 R116 =: 1-249-432-11 CARBON 18K 5% 1/4W
D356 =: 1-806-937-11 DIODE GMA01 R117: 1-249-424-11 CARBON 3.9K 5% 1/4W
D357 —- 1-806-937-11 DIODE GMA01 ;
R119 = 1-215-438-00 CARBON 5.1K 5% 1/4W
D358 =: 1-806-937-11 DIODE GMAO01 R120 —-:1-215-438-00 CARBON 5.1K 5% 1/4W
D359 =: 1-806-937-11 (IT)....DIODE GMAQ1 R121 = 1-215-438-00 CARBON 5.1K 5% 1/4W
D360 1-806-937-11 (IT)....DIODE GMAQ1 R122 = 1-249-417-11 CARBON 1K 5% ©=1/4W
D361 1-806-937-11 DIODE GMA01 R123 1-249-437-11 CARBON 47K 5% 1/4W
D363 —-1-806-937-11 DIODE GMA01
; R124 = 1-249-417-11 CARBON 1K 5% =1/4W
D364 = 1-806-937-11 DIODE GMAO1 R125 = 1-249-426-11 CARBON 5.6K 5% 1/4W
D365 = 1-806-937-11 DIODE GMAO1 R130 = 1-249-417-11 CARBON 1K 5% 1/4W
R131 1-249-417-11 CARBON 1K 5% 1/4W
FE101 1-463-963-11 FRONT END (FM 3 GANG) R132 1-249-429-11 CARBON 10K 5% 1/4W
FE181 1-235-936-11 ENCAPSULATED COMPONENT
FE182 1-236-178-11 RF BLOCK, LW R133 1-249-429-11 CARBON 10K 5% 1/4W
R149: 1-249-747-. CARBON 15M 5% 1/4W
FL301 1-519-453-11 INDICATOR TUBE, FLUORESCENT R181: 1-249-441-11 CARBON 100K = 5% ~—«1/4W
IC101
8-759-805-50
1C
CXA1269S
:
R182
1-249-437-11
CARBON
47K
5%
=61/4W
1C201 8-759-820-10 iC LC7217 R185 —_1-249-433-11 CARBON 22K 5% =61/4W
1C251 8-759-820-09 1C LAS5667
IC301 8-759-230-49. IC TMP47C441AN-1662 R186 1-249-437-11 CARBON 47K 5% 1/4W
R187 = 1-215-493-00 CARBON 1M 5% ©1/4W
R189 —-1-249-433-11 CARBON 22K 5% 1/4W
L101 =: 1-410-564-41 INDUCTOR R190 1-249-432-11 CARBON 18K 5% = 1/4W
L102 = 1-410-564-41 (WG, IT)....INDUCTOR 100UH R191: 1-249-433-11 CARBON 22K 5% 1/4wW
L103. 1-408-920-00 INDUCTOR
L181 1-410-568-21 INDUCTOR R193 1-249-431-11 CARBON 15K 5% 1/4W
L301 1-410-564-21 INDUCTOR R194. 1-249-401-11 CARBON 47 5% 1/4W
R201 1-249-417-11 CARBON 1K 5% 1/4W
L302 = 1-410-564-21 INDUCTOR R202 =1-249-417-11 CARBON 1K 5% 1/4W
L303 1-410-564-21 INDUCTOR R203 1-249-417-11 CARBON 1K 5% «1/4W
L304 = 1-410-564-21 INDUCTOR
R204 1-249-417-11 CARBON 1K 5% 1/4W
Q101 8-729-266-93 TRANSISTOR 2SC2669 R205 1-249-425-11 CARBON 4.7K 5% 1/4W
Q102 = 8-729-266-93 TRANSISTOR 2SC2669 R207 A\1-247-696-11 CARBON 47 5% /4W OF
Q103 — 8-729-266-93 (WG, IT).... TRANSISTOR 2SC2669 R208 /\1-247-700-11 CARBON 100 5% 1/4W OF
Q104 = 8-729-266-93 (WG, IT).... TRANSISTOR 2SC2669 R209 = 1-249-425-11 CARBON 4.7K 5% 1/4W
Q105 = 8-729-178-55 TRANSISTOR 2SC2785-E
R210 1-249-410-11 CARBON 270 5% 1/4W
Q106 = 8-729-178-55 + TRANSISTOR 2SC2785-E R211 1-249-418-11 CARBON 1.2K 5% 1/4W
Q107 = 8-729-178-55 TRANSISTOR 28C2785-E R212 1~-249-414-11 CARBON 560 5% 1/4W
Q108 = 9-986-159-01 TRANSISTOR 2SA1348 R213. 1-249-433-11 CARBON 22K 5% =61/4W
Q109 = 8-729-806-28 TRANSISTOR 2SC3402 R214 —-1-249-421-11 CARBON 2.2K 5% 1/4W
Ql10 =: 8-729-806-28 TRANSISTOR 2SC3402
R215 = 1-249-425-11 CARBON 4.7K 5% 1/4W
Q181 8-729-806-28 TRANSISTOR 25803402 R216 1-249-405-11 CARBON 100 5% 1/4W
Q182 —8-729-820-10 TRANSISTOR 2SA1317-SU R217 —-1-249-423-11 CARBON 3.3K 5% 1/4W
Q183- 8-729-178-55 TRANSISTOR 28C2785-E R218 = 1-249-410-11 CARBON 270 5% 1/4W
Q184 8-729-806-28 TRANSISTOR 2SC3402 R219 = 1-249-418-11 CARBON 1.2K 5% 1/4W
Q185 8-729-806-28 TRANSISTOR 2803402
; R220 1-249-414-11 CARBON 560 5% 1/4W
Q186 = 8-729-806-28 TRANSISTOR 2SC3402 R221 = 1-249-425-11 CARBON 4.7K 5% 1/4W
Note: The components identified by mark A or dotted
line with mark A are critical for safety.
Replace only with part number specified.

ST-D50L
Ref.No Part No. Description Remark
R222 = 1-249-421-11 CARBON 2.2K 5% 1/4W
R223 1-249-425-11 CARBON 47K 5% 1/4W
R224 1-249-405-11 CARBON 100 5% 1/4W
R225 1-249-429-11 CARBON 10K 5% 8=1/4W
R226 1-249-429-11 CARBON 10K 5% 1/4W
R227. = 1-249-429-11 CARBON 10K 5% 1/4W
R228 1-249-429-11 CARBON 10K 5% 1/4W
R229 = 1-249-425-11 CARBON 4.7K 5% 1/4W
R251 1-249-429-11 CARBON 10K 5% 1/4W
R252 1-249-405-11 CARBON 100 5% 1/4W
R253. 1-249-429-11 CARBON 10K 5% 1/4W 4
R254 =1-249-413-11 CARBON 470 5% 1/4W
R256 = 1-249-429-11 CARBON 10K 5% 1/4W
R257 =: 1-249-441-11 CARBON 100K 5% = 1/4W
R258 1-249-393-11 CARBON 10 5% 1/4W
R301 1-249-429-11 CARBON 10K 5% 1/4W
R302 1-249-441-11 CARBON 100K §=65%~—Ss«1/4W
R303 = 1-249-425-11 CARBON 4.7K 5% 1/4W
R304 1-249-429-11 CARBON 10K 5% 1/4W
R305 1-249-429-11 CARBON 10K 5% 1/4W
R306 1-249-441-11 CARBON 100K 65% ~—«1/4W
R307. =: 1-249-405-11 CARBON 100 5% 1/4W
R308 1-249-429-11 CARBON 10K 5% > 1/4W
R309 1-249-417-11 CARBON IK 5% 1/4W
R310 1-249-429-11 CARBON — 10K 5% 1/4W
RV101 1-228-993-00 RES, ADJ, CARBON 4.7K
RV102 1-228-995-00 RES, ADJ, CARBON 22K
RV103 1-228-995-00 RES, ADJ, CARBON 22K
$301 1-554-303-21 SWITCH, KEY BOARD (1)
$302. 1-554-303-21 SWITCH, KEY BOARD = (2)
$303 1-554-303-21 SWITCH, KEY BOARD (3)
$304 1-554-303-21 SWITCH, KEY BOARD (4)
$305 1-554-303-21 SWITCH, KEY BOARD (5)
$306 1-554-303-21 SWITCH, KEY BOARD (6)
$307 1-554-303-21 SWITCH, KEY BOARD (7)
$308 1-554-303-21 SWITCH, KEY BOARD (8)
$309 1-554-303-21 SWITCH, KEY BOARD (9)
$310 — 1-554-303-21 SWITCH, KEY BOARD (10)
$311 1-554-303-21 SWITCH, KEY BOARD (11)
$312 1-554-303-21 SWITCH, KEY BOARD (12)
$313 1-554-303-21 SWITCH, KEY BOARD (+)
$314 1-554-303-21 SWITCH, KEY BOARD (—)
$315 —_ 1-§54-303-21 SWITCH, KEY BOARD (MEMO)
$316 1-554-303-21 SWITCH, KEY BOARD (MS)
$317 1-554-303-21 SWITCH, KEY BOARD (AUTO/MANU, MODE)
$318 — 1-554-303-21 SWITCH, KEY BOARD (BAND)
T7251 —- 1-404-788-11 TRANSFORMER, DISCRIMINATOR(FM)
7252 =: 1-404-713-11 TRANSFORMER, IF
TM101 + 1-537-138-21 TERMINAL BOARD (ANT)
TP101 *1-560-060-00 PIN, CONNECTOR 2P
XT201 1-567-767-11 VIBRATOR, CRYSTAL
ACCESSORIES AND PACKING MATERIALS
Part No. Description
3-312-970-00 SHEET PROTECTION
English
88B0455-1
Sony Corporation Printed in Japan
9-953-118-1171 Audio Group © 1988. 2
i
eaiae
a
|e
—Published—by..A/V_.Engineering
Service.
Dept...
__
_