Sony hsta 10 k service manual

Page 1

HST-Al 0K

SERVICE MANUAL E Model

' HST-AloK is the
STEREO DECK RECEIVER

in LBT-A1 O K
Model Name Usin Similar Mechanism HST-A I O
SPECIFICATIONS g
Tape Transport Mechanism Type TOM-1 80 VW-H7
Tuner
System FM stereo
FM/AM superheterodyne tuner
FM tuner section
Tuning range 37.5 to 103 MHz Outpul Jack type impedance
Amenna 75 0th ""Da'amei SURROUND Phono Accepts speakers ol 8 - 16 ohms
300 ohms balanced SPEAKER
IntermedIate frequency 10.7 MHI
AM tuning section (for Medeasiern model) HEADPHONES Slereo phone Accepts headphones oi 8 ohms
Tuning range SW: 5.95 lo 17.90 MHZ or more
MW: 531 to 1.802 kHz
AM mine seemm (model for other counmeS) Frequency response CD: 15 Hz to 50 kHz :3 dB
Tuning range 531 to 1,502 kHz (at 9 kHz step)
530101.710 kHz (at 10 kHz step) Cassette deck
Antenna AM loop antenna Recordlng syslem 4-track 2-channel stereo
Exlernal anlenna terminal Frequency response with Type II casselle (Sony UX-S)
Intermediate frequency 450 kHz 40 Hz to 14 kHz (:3 dB)
With Type 1 cassette (Sony HF-S)
Amplifier 40 Hz to 13 kHz (:3 dB)
Peak music power output 400 W (6 ohms, 4 speakers driven) wow and llutter 01% (warms)
Continuous RMS power output
23 W + 28 W (6 ohms. at 1 kHz, General
5% THD) Power requrrements I Io - 120 V/220 - 240 V AC. adiustable
. wrtn the VOLTAGE SELECTOR
Input Jack type Sensiliviry Impedance 50/60 Hz
00 IN Phone 300 mV 47 kohms Powe' consummw 75 W
Weighl Approx 69 kg
VDF-O 'N Ph°n° 30" "V 47 3th DimenSIons Approx, 355 X 290 X 325 mm
PHONO IN Phone 3 mv 47 kohms (w/h/d, Including projections)
MICI Phone I mv 10 konms
Mic 2 Phone 1 mV 10 kohms

Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol DU are trademarks of

coMPAcI Hi-Fi STEREfl SYSTEM
ONYs

Page 2

HST-A1 OK

TABLE OF CONTENTS

m Title gm
SECTION 1, GENERAL ......... 3
SECTION 2, ADJUSTMENTS ...... .....4

SECTION 3. DIAGRAMS

3v],
3-2
33.
3-4

3~5.
3-6.
3-7.
3-8.

3-9.

Circuit Boards Locau'on . .......
Semiconductor Lead Layous
Printed Wiring Boards -Audio SectiOn_

Schemau'c Diagams -Audio Section-nu... .. 13
1c Block Diagrams ................. 15
Printed Wiring Boards -Panel Secljon- ........................ 17
Schematic Diagams -Panel Section- .. 21

Primed Wiring Boards -TC Section-

Schematic Diagams ~TC Seciion-

1c Block Diagram ............................................. 29
Schemafic Diagams Tuner Section- .................... 30
IC Block Diagrams ................ .................... . 30

SECTION 4. EXPLODED VIEWS

4.1.
4-2
43
4.4.
4-5.

Cabinet Swim, ................................ ......... . 33
From Panel Section
Mechanism Deck Section-l
Mechanism Deck Section-2

Mechanism Deck Section-3

SECTION 5. ELECTRICAL PARTS LIST ~~~~~~~~~~~~~~~~~~~~~ 38

SA FETV-RE LATED 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.