Read Sony ICF-SW7600GR Service Manual online
ICF-SW7600GR
US Model
Canadian Model
AEP Model
Chinese Model
E Model
Tourist Model
SERVICE MANUAL
FM STEREO/SW/MW/LW
PLL SYNTHESIZED RECEIVER
SPECIFICATIONS
Ver 1.1 2001. 08
9-873-099-12
2001H1600-1
© 2001.8
Sony Corporation
Personal Audio Company
Shinagawa Tec Service Manual Production Group
Circuit system
FM: Super heterodyne
AM: Dual conversion super heterodyne
AM: Dual conversion super heterodyne
Frequency range
FM: 76–108 MHz
87.50 –108 MHz (Saudi Arabia and Malaysia)
SW: 1 621– 29 999 kHz
2 250–26 100 kHz (Saudi Arabia and Malaysia)
MW: 530–1 620 kHz
LW: 150–529 kHz
LW: 150–529 kHz
150–285 kHz (Saudi Arabia and Malaysia)
Output
LINE OUT jack (stereo minijack)
×
1
Recording output level approx. 245 mV, output
impedance less than 10 k
impedance less than 10 k
Ω
i
(headphones) jack (stereo minijack)
×
1 16
Ω
Speaker
Approx. 77 mm diameter, 8
Ω
×
1
Maximum output
380 mW (at 10 % harmonic distortion)
Power requirements
DC 6 V, four R6 (size AA) batteries
External power source
(Except Chinese)
(Except Chinese)
DC IN 6V
Dimensions
Approx. 190
×
118.8
×
35.3 mm incl. projecting parts
(w/h/d)
Mass
Approx. 536 g
Approx. 608 g (incl. four R6 (size AA) batteries)
Approx. 608 g (incl. four R6 (size AA) batteries)
Supplied accessories
Carrying case (1)
Batteries (4) (Tourist)
Stereo headphones (1) (Tourist)
Ear pads (2) (Tourist)
AC power adaptor (1) (Tourist)
AC plug adaptor (1) (Tourist)
Compact antenna AN-71 (1)
Antenna connector (1) (Tourist)
Wave Handbook (1) (Except Saudi Arabia and Malaysia)
Short Wave Guide (1) (Saudi Arabia and Malaysia)
Carrying case (1)
Batteries (4) (Tourist)
Stereo headphones (1) (Tourist)
Ear pads (2) (Tourist)
AC power adaptor (1) (Tourist)
AC plug adaptor (1) (Tourist)
Compact antenna AN-71 (1)
Antenna connector (1) (Tourist)
Wave Handbook (1) (Except Saudi Arabia and Malaysia)
Short Wave Guide (1) (Saudi Arabia and Malaysia)
Design and specifications are subject to change without notice.
2
TABLE OF CONTENTS
ICF-SW7600GR
1. GENERAL
···································································
3
2. DISASSEMBLY
2-1. Cabinet (Rear) ································································· 6
3. ELECTRICAL ADJUSTMENTS
······························
6
4. DIAGRAMS
4-1. Block Diagram ······························································· 9
4-2. Printed Wiring Board
4-2. Printed Wiring Board
– Main Board (Conductor Side) – ································ 10
4-3. Printed Wiring Board
– Main Board (Component Side) – ······························ 11
4-4. Schematic Diagram – Main Board (1/2) – ··················· 12
4-5. Schematic Diagram – Main Board (2/2) – ··················· 13
4-6. Printed Wiring Board – KEY Board – ························· 14
4-7. Schematic Diagram – KEY Board – ···························· 15
4-8. IC Pin Function Description ········································ 16
4-5. Schematic Diagram – Main Board (2/2) – ··················· 13
4-6. Printed Wiring Board – KEY Board – ························· 14
4-7. Schematic Diagram – KEY Board – ···························· 15
4-8. IC Pin Function Description ········································ 16
5.
EXPLODED VIEWS
5-1. Cabinet Section ···························································· 17
5-2. Chassis Section ···························································· 18
5-2. Chassis Section ···························································· 18
6. ELECTRICAL PARTS LIST
···································
19
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED LINE WITH
MARK
0
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.
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE
0
SUR LES
DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.
3
ICF-SW7600GR
SECTION 1
GENERAL
This section is extracted from
instruction manual.
instruction manual.
1
AM EXT ANT (AM
external antenna) jack (35)
external antenna) jack (35)
2
ATT (attenuator) control
(21)
(21)
3
ATT (attenuator) ON/
OFF switch (21)
OFF switch (21)
4
LINE OUT (recording
output) jack (33)
output) jack (33)
5 2
(headphones) jack (17,
33)
You can enjoy FM stereo
broadcasting by
connecting the optional
stereo headphones to the
unit . When using
headphones, sound from
the speaker will be
muted.
You can enjoy FM stereo
broadcasting by
connecting the optional
stereo headphones to the
unit . When using
headphones, sound from
the speaker will be
muted.
6
DC IN 6V !
(external power input)
jack (10)
(external power input)
jack (10)
7
LIGHT button
When the display is
difficult to see, press this
button to light up the
display for approximately
10 seconds. Pressing the
button again while the
light is on will turn off the
light. Performing button
operations while the light
is on will extend the
lighting time.
When the display is
difficult to see, press this
button to light up the
display for approximately
10 seconds. Pressing the
button again while the
light is on will turn off the
light. Performing button
operations while the light
is on will extend the
lighting time.
8
Display (7)
9
Controls (6)
0
Speaker
Front
Rear
qa
SSB FINE TUNE control (26)
qs
LSB/USB selector (26, 27)
qd
AM MODE selector (26, 27)
qf
TONE selector (33)
qg
VOLUME control
qh
Telescopic antenna
Always pull out the base of the antenna before use.
Furthermore, do not use unnecessary force when storing the
antenna. At this time, be sure to push in the base as well.
Always pull out the base of the antenna before use.
Furthermore, do not use unnecessary force when storing the
antenna. At this time, be sure to push in the base as well.
qj
Stand
qk
Battery compartment
Base
Pull out
4
ICF-SW7600GR
Controls
1
SLEEP button (31)
2
HOLD switch (32)
3
DIRECT button (15, 16)
4
FM/AM button (16, 18, 20)
5
STANDBY MEMORY,
TIMER STANDBY/
STANDBY TIME SET
buttons (28, 30)
TIMER STANDBY/
STANDBY TIME SET
buttons (28, 30)
6
ENTER, LOCAL TIME
SET button (11, 22, 28)
SET button (11, 22, 28)
7
ERASE, DST (Daylight
Saving Time) button (11,
13, 30)
Saving Time) button (11,
13, 30)
8
AM BAND, WORLD
TIME button (13, 18, 20)
TIME button (13, 18, 20)
9
POWER ON/OFF button
0
Number buttons (15, 16,
22, 23, 24)
22, 23, 24)
qa
DISPLAY, EXE button
(13, 15, 16)
Press to switch to clock
display while operating
the radio. Press again to
return to the previous
display. If you do not
press the button, the
display will return to the
previous condition in
about 10 seconds.
(13, 15, 16)
Press to switch to clock
display while operating
the radio. Press again to
return to the previous
display. If you do not
press the button, the
display will return to the
previous condition in
about 10 seconds.
qs
SCAN button (24)
qd
PAGE button (22, 24)
qf
MANUAL TUNE/SCAN
START/STOP, STANDBY
TIME SET/TIME SET
buttons (11, 13, 18, 20, 28)
START/STOP, STANDBY
TIME SET/TIME SET
buttons (11, 13, 18, 20, 28)
Display
1
TUNE indicator (16, 18)
Appears when a station
is tuned in.
Appears when a station
is tuned in.
2
Battery indicator (9)
3
HOLD indicator (32)
Appears when HOLD is
in effect. All buttons will
be inoperative.
Appears when HOLD is
in effect. All buttons will
be inoperative.
4
(Daylight Saving
Time) indicator (12)
Appears when the time
display is adjusted to the
Daylight Saving Time.
Appears when the time
display is adjusted to the
Daylight Saving Time.
5
Preset number/time
difference display (11, 22,
23)
difference display (11, 22,
23)
6
SYNCLOCK
(synchronous detection
lock) indicator (27)
Appears when
synchronous detection is
in effect.
(synchronous detection
lock) indicator (27)
Appears when
synchronous detection is
in effect.
7
SLEEP indicator (31)
Appears when the sleep
timer is in effect.
Appears when the sleep
timer is in effect.
8
STANDBY
,
STANDBY
indicators
(28, 29, 30)
Light up when the
standby timer is set.
Light up when the
standby timer is set.
9
PAGE number display
Appears constantly when
the radio is on.
Appears constantly when
the radio is on.
0
Time/frequency display