Sony hst 414 service manual

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SERVICE MANUA

at.
.a

Canadian Model

E Model

FH-4I4
Consisting in

Model Name Using Similar Mechanism

. H ST-404

Tape Transport Mechanism Type

DECK A: TCM-YM47CW-70
DECK B: TCM-YM47CW-71

SPECIFICATIONS

Amplifier Section

System FM stereo, FM/AM superhetarodyne tuner
FM tuner section

Tuning range 87.5 - 106 MHz

Antenna Telescopic antenna

Antenna terminals 75 ohms unbalanced

Intermediate frequency 10.7 MHz

Continuous FIMS power output
E model I 20 + 20 watts (6 ohms. at 1 kHz, 5% THD)
Canadian model: 16 + to watts (6 ohms, 80 Hz
- 20 kHz. 1% THDI
Peak music power output
E model : 200 watts (6 ohms)

Inputs
SW/ MW tuner sectlon (for E model) Sensitivity impedance
SW1 SW2 MW on (pngno jacks) 450 mV 50 kllohms

Tuning range 3.2 - 7.3 MHZ 9.5 - 21 ,75 MHz 531 - 1602 kHz MIC (miniiack) 1 mV 500 ohms

Antenna AM loop antenna External antenna terminals pHONO (phone jacks) 5mV 47 kilohms
MW tuner section (Ior Canadian model) Outputs

MW HEADPHONES Accepts headphones of 8 ohms or moral
Tuning range 530 - mo kHz (stereo miniiack)
Antenna AM loop antenna External antenna terminals SPEAKER ACCEPiS Speakers 0 510 16 Ohms

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

Cassette Deck Sect on

Recording system 4-track 2-channel stereo

Frequency response (DOLBY NR OFF)

60 » 13.000 Hz (1 3 dB). using TYPE I cassette
(Sony HF-S)

60 r 14,000 Hz (:BdB). using TYPE 11 cassette
0.1% WRMS

t 0.3 "/c (DIN)

Wow and flutter

(IMPACT HI-DENSITY
COMPONENT SYSTEM

SONY;

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HST-414

Tuner section

- Consult the below chart for the band stations
receivable for the model available in your

country.
Canadian model MW/FM
E model MW/SWi/SWZ/FM

- You can store up to 25 stations in the
memory.

MW

~ DBFB (Dynamic Bass Feedback) system
oi the Canadian models, or SAT (Super
Acoustic Turbo) system of the E model
reinforces bass sound.

- 5 the sound quality to your preference during
playback.

Cassette deck section

- Double decks allow you to :
- dubtapes.
- play back one deck then the other
successively.

-Cauiion for Service

0 Reset of ICZOI
The display controller ICZOI is reset by short»circuiting
both edges of C206 (0221?) while power OFF and dischar-
ging electricity.
After resetting, the following frequencies are preset to
the memory
When the repair is completed, return the memory to the
preceding state (contenti

Canadian model

FM MW
1 875MHz 6 530kHz
2 88.0MHZ 7 620kHz
3 98.0MHZ 8 1050kHZ
4 100.0MHz 9 1490kHz
5 108,0MH2 10 1710kHz
E model

FM MW SW1 SW2
1 87.5MHz 6 531kHz 11 3.2MHZ 16 9.5MHz
2 88.0MH2 7 603kHz 12 3.5MHz l7 10.0MHz
3 98.0MHZ 8 999kHz 13 5.0MHZ 18 15.0MHZ
4 100,0MHz 9 1404kHz 14 6.5MHz l9 20.0MHz
5 108.0MHZ 10 1602kHZ 15 7.3MHz 20 2175MHZ

SAFETY-RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BY MARK A 0R 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.

TABLE OF CONTENTS

Section Title flgg
Specifications ...................................... 1
Model Identification ................................ 2
SECTION 1 GENERAL
1-1. Parts Identification ............................ 3
SECTION 2 DIASSEMBLY
2-1. Case Removal ................................ 4
SECTION 3 MECHANICAL ADJUSTMENTS 4
SECTION 4 ELECTRICAL ADJUSTMENTS ...... 5
SECTION 5 DIAGRAMS
5-1. Semiconductor Lead Layouts .................. 8
52. Circuit Board Location ...................... 8
5-31 Printed Wiring Boards ........................ 9
5-41 Schematic diagram

--Deck AMP Section- ........................ 13
55. Schematic diagram

-Tuner Section- ............................ 16
SECTION 6 EXPLODED VIEWS
6-1. Front Panel, Case Section .................... 18
SECTION 7 ELECTRICAL PARTS LIST ........ 20

MODEL IDENTIFICATION
-Specification Label-

SONY: MODEL not HST414

WW1

E, Saudi Arabia MODEL .

AC: 110-120/220-240V~50/60Hz 65W
Canadian MODEL :

AC: 120V~60H185W

ATTENTION AU COMPOSANT AYANT RAPPORT
A LA SECURITE!

LES COMPOSANTS IDENTIFIES PAR UNE MAROUE A
sun LES DIAGRAMMES scHEMATIoues ET LA LISTE
OEs PIECES SONT CRITIQUES POUR LA SECURITE
DE FONCTIONNEMENT. NE REMPLACER CES COM-
POSANTs OUE PAR DES PIECES SONV OONT LEs
NUMERos SONT OONNEs OANs CE MANUEL ou
DANS LEs SUPPLEMENTS PUBLIES PAR SONY.

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