Sony icf sw7600

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V SERVICE MANUAL

lRMIiMI
(Mel;

U8 Model
Canadian Model
AEP Model

UK Model

V
SPECIFICATIONS
Circuit system FM: Superheterodyne Dimensions Approx. 191 .2 x ma x 32.3 mm (wlhld)
AM: Dual conversion superheterodyne (75/, x 43 x 15/", inches)
Frequency range FM: 76-108MH1 including projecting pans and controls
87,5-108MH2 Weight Approx. 615 g (1 lb. 5.7 02.) including batteries
LW: 1507528kH2 Accessories supplied Stereo earphones (1), Ear pad (2). AC power adapter (1.
150-285 kHz except the model Ior Oceanien countries). AC plug adaptor
v MW: 530-1,610K (1. except the model lor Europe, North America and
(With the MW CH STEP selector at 10kHz) Oceanian countries). Wave handbook (1), Antenna
531 - 1 .611 kHz connector 11). carrying case (I) . Compact antenna (1)
(With the MW CH STEP selector at 9kHzl
sw: lfiglgiigfiggtfli Design and specifications subject Io change without notice
_ SAFETY-RELATED COMPONENT WARNINGII
Antennas Telescopic antenna (FM/SW)
Builttin ferrIte bar antenna (MW/LW) COMPONENTS IDENTIFIED av MARK A 0R DOTTED
Igiaaaker Approx. 77 mmnms inchesidia. _8 ohms LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
9 9 fifgxfguglfi gifimfijg'czfm") AND IN THE PARTS LIST ARE CRITICAL To SAFE
V output m. 0775 my (40 d3) OPERATION. REPLACE THESE COMPONENTS WITH
output impedance 1 kilohm SONY PARTS WHOSE PART NUMBERS APPEAR AS
Hifuzunaiack (stew: miniiack) for SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
O m 5 area earp Ones
Power requirements 6 V DC SHED BY SONY'
gougmliiée AAI bagerifs (110 120 220 ATTENTION Au COMPOSANT AYANT RAPPORT
up | power a ap Of , , 0! '
240 v AC adjustable, 50/60 Hz) A LA SECUR'TE
OutiefiflzngigA car battery cord '0' use LES COMPOSANTS IDENTIFIEs PAR UNE MAROUE A
"" a" 9 sun LEs DIAGRAMMES SCHEMATIOUES ET LA LISTE
ti i 024 batt I S , ,
Omar? ca, 235;; 3 mm °' use DES PIECES SONT CRITIQUES POUR LA SECURITE
Battery life Approx, 10 hours 01 listening for Iour hours DE FONCTIONNEMENT. NE REMPLACER CES COM-
a dayat a normal volume using Sony SUM~3 (NS) POSANTS OUE PAR DES PIECES SONY DONT LES
5"" NUMEROS SONT DONNES DANS CE MANUEL 0U
DANS LES SUPPLEMENTS PUBLIES PAR SONY.
PLL SYNTHESIZED RECEIVER

MICROFILM

SONY;

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ICF-SW7600

TABLE OF CONTENTS

Section Title

SPECIFICATIONS ~ --
Features ~ -
SECTIONL GENERAL

1-1. Location and Function of Controls ------------ 3
1 2. How to Set the Clock ------------------------ 4
l3.DirectTuning-- ~
1-4. Manual Tuning -
l 5. Scan Tuning

1-8. Preset Tuning ----------------

l-7. How to Tune in Precisely ------
SECTION 2. OUTLINE

2-1. Outline of the ems Digital-tuning Systen

ICZOI. uPDl7ISG-558- 22 and uPD17156-569- 22

2-1-1. Outline of the Station- -selection ~~~~~ - 7
2-1-2. Description on the Terminals -------- 3
2-1-3. Initial-state Setting - - -
2-1-4. Muting-outpui: Timings -- ~ ~
2-1-5. Segments and Comons of Liquid- crystal
Display panel (LCDZDll ----------- 13
2-1-6. Relationship of LCD (LCDZOI) Segments
to [5] pins .................... 13
SECTION 3. DISASSEMBLY- ~ ~ ~ ~ -------------- 14
SECTION 4. ELECTRICAL ADJUSTMENTS ---------- 14
SECTION 5. DIAGRAMS
5-1. IC Block Diagram ----------------------- 17
5-2. Printed Wiring Boards
5-3. Schematic Diagram --------
SECTION 6. EXPLODED VIEWS """"""

SECTION 7. ELECTRICAL PARTS LIST - - ~

FEATURES

- An LW/MW/SWIFM stereo receiver with world-wide band coverage.

- Quanz controlled PLL (Phase Locked Loop) synthesizer system
using a microcomputer ior easy pinpoint timing. The tuned
irequency is digitally displayed.

- Fine tuning control ior precuse tuning.

- 583 (Single side band) can be received.

' Provided with a recording output and a remote control jackt
Connecting the unit to the optional Sony TOM-27 cassetteoorder
using these jacks, you can start recording programs at a desired
time.

0 Various ways of tuning

Direct tuning . , . Tuning in the station by inputting the frequency of
the station directly_

Even if you don't know the frequency oi the
station, you can tune in the station precisely.

An automatic searching oi a station,

Up to 10 stations can be preset ior button-touch
tuning.

Manual tuning . .

Scan tuning . . . .
Preset tuning ..

I Other ieatures
Timer standby . . The function to receive a desired station at a
desired time.
Sleep timer . . . . Turning the radio on automatically in 65 minutes,
Power source: . Three difierent power sources: internal batteries,
house current. car battery.
With the supplied AC power adaptor. any AC
power source is available.