Sony ICF-SW7600GR Service Manual
Sony ICF-SW7600GR - Portable Radio Manual
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UPC - 027242580084
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Sony ICF-SW7600GR manual content summary:
- Sony ICF-SW7600GR | Service Manual - Page 1
ICF-SW7600GR SERVICE MANUAL Ver 1.0 2001. 03 US Model Canadian Model AEP Model Chinese Model E Model Tourist Model SPECIFICATIONS Circuit system FM: Super heterodyne AM: Dual conversion super heterodyne Frequency range FM: 76-108 MHz SW: 1 621- 29 999 kHz MW: 530-1 620 kHz LW: 150-529 kHz - Sony ICF-SW7600GR | Service Manual - Page 2
ICF-SW7600GR TABLE OF CONTENTS 1. GENERAL 3 2. DISASSEMBLY 2-1. Cabinet (Rear 6 3. ELECTRICAL ADJUSTMENTS 6 4. DIAGRAMS 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. 2 - Sony ICF-SW7600GR | Service Manual - Page 3
Rear ICF-SW7600GR This section is extracted from instruction manual. 1 AM EXT ANT (AM external antenna) jack (35) 2 ATT (attenuator) control (21) 3 ATT (attenuator) ON/ OFF switch (21) 4 LINE OUT (recording output) jack (33) 5 2 (headphones) jack (17, 33) You can enjoy FM stereo broadcasting - Sony ICF-SW7600GR | Service Manual - Page 4
ICF-SW7600GR Controls Display 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) 6 ENTER, LOCAL TIME SET button (11, 22, 28) 7 ERASE, DST (Daylight Saving Time) button (11, 13, 30) 8 AM BAND - Sony ICF-SW7600GR | Service Manual - Page 5
time difference of the area you are in. * This unit uses time zones to pinpoint specific areas. 1 If the radio is turned on, press POWER ON/OFF to turn it off. Note You cannot set the clock when the radio is turned on. 2 Hold down LOCAL TIME SET and press K - or + k to choose the - Sony ICF-SW7600GR | Service Manual - Page 6
ICF-SW7600GR SECTION 2 DISASSEMBLY Note : antenna close to the set. 30% amplitude modulation by 400Hz signal output level: as low as possible • FM Section FM RF signal generator FM 16 Ω level meter set i headphones jack (J202) (1) AM / FM VCO Check and Adjustment Setting: ATT switch - Sony ICF-SW7600GR | Service Manual - Page 7
ICF-SW7600GR (3) in maximum. 3. Set the frequency of the FM RF and the frequency display of the set to FM 76.00MHz. 4. Adjust T101 and T102 so MUSIC Procedure: 1. Insert Headphones plug into headphones jack (J202) (for VCO operation). 2. Connect a capacitor (10µF) between IC202 pin1 and GND. - Sony ICF-SW7600GR | Service Manual - Page 8
ICF-SW7600GR Adjustment Location : [MAIN BOARD] - Component Side - 1st IF Adjustment FM TRACKING Adjustment (108MHz) CT101 CT102 T104 T105 T202 FM VCO Adjustment IC201 T101 T102 FM TRACKING Adjustment (76MHz) CT202 2nd LOCAL Adjustment CT201 SSB 0 BEAT Adjustment RV202 JUST TUNE Adjustment - Sony ICF-SW7600GR | Service Manual - Page 9
BLOCK DIAGRAM SECTION 4 DIAGRAMS ICF-SW7600GR ANT101 (TELESCOPIC) FM TRACKING T101 CT101 FM ANT J101 AM EXT FM VCO AMP VCOH Q305 AM/FM REG B+ SWITCH AM B ROD B BAR B VCOH MUTING Q205 BAND SWITCH AM REG Q206 FM VCO BUFFER 20 FMRF FEOUT 16 19 AMIN CF202 10.7MHz CF201 455kHz IC201 FM - Sony ICF-SW7600GR | Service Manual - Page 10
ICF-SW7600GR E BC B C221 8 C262 C260 C261 C259 9 ANT101 FM/SW TELESCOPIC ANTENNA ANT102 MW/LW FERRITE-ROD ANTENNA UNPLUGGED PLUGGED CH C121 ORG GRN BLK PNK EB T106 S 11 12 13 14 Note on Printed Wiring Boards: • X : parts extracted from the component side. • a : Through hole. • : - Sony ICF-SW7600GR | Service Manual - Page 11
BOARD (COMPONENT SIDE) - A MAIN BOARD (COMPONENT SIDE) B ICF-SW7600GR C D E F US G B H TO KEY BOARD I 11 1-679-368- (11) 15 16 17 18 19 20 21 22 23 24 25 26 27 28 11 11 Note on Printed Wiring Boards: • X : parts extracted from the component side. • a : Through hole - Sony ICF-SW7600GR | Service Manual - Page 12
ICF-SW7600GR 4-4. SCHEMATIC DIAGRAM - MAIN BOARD (1/2) - 12 12 Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1/4 W or less - Sony ICF-SW7600GR | Service Manual - Page 13
page 16 for IC Block Diagrams. ICF-SW7600GR IC B/D 1 2 IC B/D IC B/D IC B/D Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted variations may be noted due to normal production tolerances. • Signal path. F : FM L : MW/LW h : SW • Abbreviation CH : Chinese model EA : - Sony ICF-SW7600GR | Service Manual - Page 14
ICF-SW7600GR 4-6. PRINTED WIRING BOARD - KEY BOARD - KEY BOARD (CONDUCTOR SIDE) A S304 POWER FM/AM S321 S317 EB EB C C D S G A K C BE G SD CN301 1 2 17 18 S323 b S327 AM BAND STANDBY 13 14 Note on Printed Wiring Boards: • X : parts extracted from the component side. • a : Through - Sony ICF-SW7600GR | Service Manual - Page 15
4-7. SCHEMATIC DIAGRAM - KEY BOARD - • Refer to page 16 for IC Pin Function. ICF-SW7600GR 1 • WAVEFORM 1 IC302 wf 13.3 µs 15 1.8 Vp-p 15 Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums - Sony ICF-SW7600GR | Service Manual - Page 16
GND1 OUT1 VCC R L M/ST STLED GND NC IN NC NC ICF-SW7600GR • IC BLOCK DIAGRAMS IC201 CXA1376AS IC202 LA3335M 10 9 DECODER 8 O Radio power control signal output O AM/FM select signal output O Bar/Rod antenna select for capacitor connection for LCD drive voltage - Pin for capacitor connection - Sony ICF-SW7600GR | Service Manual - Page 17
VIEWS ICF-SW7600GR NOTE: • -XX, -X mean standardized parts, so they may have some differences from the original one. • Items marked "*" are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. • The mechanical parts with - Sony ICF-SW7600GR | Service Manual - Page 18
ICF-SW7600GR 5-2. CHASSIS SECTION SP201 52 ANT102 56 55 57 54 51 61 LCD1 60 59 58 53 Ref. No. * 51 52 53 53 54 * 55 * 55 * 55 56 Part No. Description A-4440-289-A KEY BOARD, COMPLETE 4-910-502-01 CUSHION, ANTENNA 3-227-395-01 PANEL (SIDE) (EXCEPT EA) 3-227-395-11 PANEL (SIDE) (EA - Sony ICF-SW7600GR | Service Manual - Page 19
SECTION 6 ELECTRICAL PARTS LIST ICF-SW7600GR KEY NOTE: • Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. • -XX, -X mean standardized parts, so they may have some difference from the original one. • - Sony ICF-SW7600GR | Service Manual - Page 20
ICF-SW7600GR KEY Ref. No. R305 Part SWITCH, TACT (EXE) 5% 1/16W S316 1-762-196-21 SWITCH, TACT (FM/AM) 5% 1/16W S317 1-762-196-21 SWITCH, TACT (]G) 5% 1/16W , TACT (SCAN) 5% 1/16W S327 1-762-196-21 SWITCH, TACT (AM BAND) 5% 1/16W S328 1-762-196-21 SWITCH, TACT (ENTER) 5% 1/16W S329 - Sony ICF-SW7600GR | Service Manual - Page 21
ICF-SW7600GR MAIN Ref. No. * * * C101 C102 C103 C107 C108 C109 C110 C150 C151 C152 C153 C154 C155 Part No. Description Remarks A-4440-288-A MAIN BOARD, COMPLETE (EXCEPT CH, EA) A-4440-290-A MAIN BOARD, COMPLETE (EA) A-4440-291-A MAIN BOARD, COMPLETE (CH) < CAPACITOR > 1-162-970-11 CERAMIC - Sony ICF-SW7600GR | Service Manual - Page 22
ICF-SW7600GR MAIN Ref. No. C256 C257 C258 C259 C260 C261 C262 C263 C264 C265 C266 C267 C268 C269 C270 C271 C272 C273 C274 C277 Part No. LA3335M-TE-L 8-752-059-51 IC CXA1522P 6-700-364-01 IC LA5003M-TE-L < JACK > Remarks C279 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50V C280 1-115-156-11 - Sony ICF-SW7600GR | Service Manual - Page 23
ICF-SW7600GR MAIN Ref. No. Q110 Q111 Q112 Part No. Description 8-729-116-64 TRANSISTOR 2SK508-K51 8- -841-11 METAL CHIP 47K 5% R124 1-216-832-11 METAL CHIP 8.2K 5% Remarks Ref. No. R125 Part No. Description 1-216-825-11 METAL CHIP R126 R127 R128 R129 R130 1-216-825-11 METAL CHIP 1-216- - Sony ICF-SW7600GR | Service Manual - Page 24
1-529-942-11 SPEAKER (7.7cm) ACCESSORIES & PACKING MATERIALS 0 1-476-122-12 ADAPTOR, AC (AC-E601) (JE) 0 1-476-127-11 ADAPTOR, AC (AC-114) (SP) 0 1-506-443-00 ADAPTOR, PLUG (JE) 0 1-569-007-11 ADAPTOR, CONVERSION 2P (JE) 3-227-586-01 MANUAL, INSTRUCTION (JAPANISE/ENGLISH/ARABIC/KOREAN - Sony ICF-SW7600GR | Service Manual - Page 25
MEMO ICF-SW7600GR 25 - Sony ICF-SW7600GR | Service Manual - Page 26
ICF-SW7600GR REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date 1.0 2001.03 New Description of Revision
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ICF-SW7600GR
US Model
Canadian Model
AEP Model
Chinese Model
E Model
Tourist Model
SERVICE MANUAL
FM STEREO/SW/MW/LW
PLL SYNTHESIZED RECEIVER
Sony Corporation
Audio Entertainment Group
General Engineering Dept.
SPECIFICATIONS
Ver 1.0
2001. 03
9-873-099-11
2001C1600-1
© 2001.3
Circuit system
FM:
Super heterodyne
AM:
Dual conversion super heterodyne
Frequency range
FM:
76–108 MHz
SW:
1 621– 29 999 kHz
MW:
530–1 620 kHz
LW:
150–529 kHz
Output
LINE OUT jack (stereo minijack)
×
1
Recording output level approx. 245 mV, output
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
DC IN 6V (except Chinese)
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)
Supplied accessories
Carrying case (1)
Compact antenna AN-71 (1)
Wave Handbook (1)
Design and specifications are subject to change without notice.