Sony hst 111 k service manual

Page 2

HST-111K

AM tuner section

Tuning range 531 -1.602 kHz (9 kHz)
530- 1,710 kHz (10 kHz)
Antenna AM loop antenna, External antenna
terminal
Intermediate frequency
450 kHz

Usable sensitivity AM loop antenna: 500 iiV/m (999 kHz)
Signal-iomoise ratio
54 dB

Harmonic distortion
0 . 5%

Selectivity 35 dB (9 kHz). 38 dB (10 kHz)

Recording system
4-track 2-channel stereo
Frequency response (DOLBY NR OFF)
With TYPE 1'! cassette (Sony UCX-S)
30-14,000 HZ (13 d8)
With TYPE 1 cassette (Sony HF-S)
30 -13.000 Hz (:3 dB)

Wow and flutter 0.12% WRMS (NAB)

Power requirements
120/220/240 V AC adjustable 50/60 Hz

Power consumption
100 W
Dimensions Approx 430 x 277 x 297 mm (w/h/d)

(17x11x115/einches)
Weight Approx. 83 kg (18 lb 5 oz) net
Accessories supplied

AM loop antenna (1)

FM Wire antenna(1)

Microphone (1)

Remote Commander FiM-S112 (1)

Sony batteries SUM 3 (NS) (2)

Design and specifications subject to change without notice

WWWW

TABLE OF CONTENTS

Section Title Page
SECTION 1. GENERAL

l-l Location of Controls --------------------- 3
SECTION 2. ADJUSTMENTS

2-1. Mechanical Adjustments ---------------------- 4
2-2. Electrical Adjustments -------------------- 4
SECTION 3. DIAGRAMS

3-1. Circuit Boards Location ------------------- 7
3-2. Printed Wiring Boards (TC Section) """"" 8
3-3. Schematic Diagram (TC Section] ------------- 11
3-4. Semiconductor Lead Layouts ----------------- 13
3-5. Printed Wiring Boards (RF AMP Section) ----- 14
3-6. Schematic Diagram (RF AMP Section) ......... 17
3-7. 1c Block Diagram ....................... 20

SAFETY-RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BY MARK A OR DDTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL T0 SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.

Section Title Page
3-8. Printed Wiring Boards (Display Section) 22
3-9. Schematic Diagram (Display Section) -------- Z7
3-10.Printed Wiring Boards (Tuner Section) ------ 31
3-11.5chematic Diagram (Tuner Section) ---------- 33

SECTION 4. EXPLODED VIEWS
4-1i Cabinet Section ~~~~~~~~~~~~~~~~~~~~~~~ 35

4-2. Front Panel Section ------------ 35
4-3 Mechanism Deck Section (I) ----------- 37
4-4 Mechanism Deck Section (2) 33
4-5. Mechanism Deck Section (3) ----------------- 39
SECTION 5. ELECTRICAL PARTS LIST ~~~~~~~~~ 40
Hardware List ----------------------------------- 50