Sony ST EX100 Service Manual

Page 1

SI-EXIUU

SERVICE MANUAL ' AEpMode,

UK Model
E Model

This set is the tuner section in
MHC-EX50/EX70AV/EX90/

EX1OOAV. Photo : E mode (SILVER)
SPECIFICATIONS
FM stereo, FM/AM superhetemdyne tuner Other model's:
FM tuner section MW: 531 - 1,602 kHz
Tuning range 87.5 - 108.0 MHz $356 mam] set at
Aerial £552 13:: :12] LW: 153 - 279 kHz
Aerial te als 75 ohm unbalanced £1133 xnterval set at
Intermediate frequelltg); Aerial AM 00P aerial,
' MI 2 External aerial
AM tuner section termina ls
Tuning range Intermediate frequency
Italian model: 450 kHz
AM.- 522 ~ 1,611 kHz Dimensions
(with the interval set at Approx. 280 x 82.5 x 235 mm
9kHz) (111/8x31/4x11 1/4 in)(w/h/d)
German model: incl. projecting parts and controls
AM: 531 - 1,60? kHz Mass Approx. 15 kg
(with the Interval set at (3 lb 4 oz)

9 kHz)
E. Saudi Arabia. Thailand models:
AM: 531 - 1,602 kHz
(with Lhe interval set at
9 kHz)
530 - 1,710 kHz
(with the interval set at
10 kHz)

FM STEREO/FM-AM TIMER TUNER
S O NY®

Page 2

MODEL ID

ENTIFICATION

-- Back Panel -

I_.__I

4~978~999-0|:I

4-978-999-1 El

4-978-999-20
4-978-99943EI. ..
4»978»999-4EI. ..

l§

...E model

.AEP, UK, German, italian, CIS model
(Made in France)

,AEP, UK model (Made in Malaysia)

Saudi Arabia model

Thailand model

TABLE OF CONTENTS

3329:1911 mfg Lacie
SECTION 1. SERVICING NOTE .................................... 3
SECTION 2. GENERAL .................................................. 4

SECTION 3. DISASSEMBLY
3-1, Panel Board ..............................................
3-2. Back Panel, Main Board and Polar Boar

SECTION 4. ELECTRICAL ADJUSTMENTS ................. 6

SECTION 5. DIAGRAMS
5-1. IC Block Diagramsw
52. Printed Wiring Board
5.3. Schematic Diagram .,
54. IO Pin Function

~ K2201 System Control (uPD78OISGC) ........................ 17
SECTION 6. EXPLODED VIEW ..................................... 19
SECTION 7, ELECTRICAL PARTS LIST ....................... 20

SAFETY-RELATED COMPONENT WARNING I!

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

PUBLISHED BY SONY.

Page 4

SECTION 2
GENERAL

Index to Parts and
Controls

Front Panel

[fl ONCE button (25, 26)

[2 DAILY button (25, 26)

REC button (26)

E] SLEEP button' (25)

IE Display window (6, 10, 25)

MULTl CONTROLLER'

(6, 10, 11, 13, 26)

ENTER/NEX"!J button (6, 11, 26)

CHARACTER button (11)

El EON (Enhanced Other Networks)
button (12) (AEP, UK, G, IT)
MEMORY button (E, EA, ClS,TH)

[E PTY (Programme Type) button (13)
(AEP. 0, IT, UK)
STEREO/MONO button
(E. EA, ClS, TH)

TIMER SET button (25)

[it DlSPLAYbutton (11, 12)

CLOCK SET button (6)

STEREO/MONO button (10)
MANUAL button (E, EA, CIS, TH)

(E! TUNING MODE button (10)
(AEP, UK, G, n)

AUTO button

(E, EA. (:15, TH)
TUNER/BAND button (10, 18, 30)
[L7] MEMORY button (11)

(AEP, UK, G, IT)

PRESET button (E, EA, CIS, TH)

- Abbreviation
G : German model.
IT : ltalian model.
EA : Saudi Arabia model.
TH : Thailand model

This sectlon Is extracted
from Instruction manual.

Display Window

- new.) Ame v no vans

[3 R03 service indications (12) (AEP, UK, G. IT)

[2 Tuner indication (10)

IE Frequency/station name/fime/limer
indication (6, 10, ll, 25)