Sony SS-FRF7ED, SA-WFT7 service manual SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7 Section Diagrams

Page 36

SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7

SECTION 1

DIAGRAMS

Note on Schematic Diagram:

All capacitors are in µF unless otherwise noted. (p: pF) 50 WV or less are not indicated except for electrolytics and tantalums.

All resistors are in and 1/4 W or less unless otherwise specified.

2 : nonflammable resistor.

C : panel designation.

Note:

Note:

The components identi-

Les composants identifiés par

fied by mark 0 or dotted

une marque 0 sont critiques

line with mark 0 are criti-

pour la sécurité.

cal for safety.

Ne les remplacer que par une

Replace only with part

piéce portant le numéro

number specified.

spécifié.

 

 

A : B+ Line.

B : B– Line.

Voltage is dc with respect to ground under no-signal (detuned) condition.

Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal produc- tion tolerances.

no mark : POWER ON

: Impossible to measure

Signal path.

F : LINE

Abbreviation

CND : Canadian model.

Note on Printed Wiring Boards:

X : parts extracted from the component side.

: Pattern from the side which enables seeing.

Abbreviation

CND : Canadian model.

C

 

 

 

 

 

 

 

 

 

 

These are omitted.

 

 

 

Q

 

 

 

 

 

 

 

B E

Q

B C E

These are omitted.

Q

B C E

4

Image 36
Contents Specifications Component Model NameSpeaker Stand WS-FT7 Safety CHECK-OUT SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7Table of Contents Servicing Notes DisassemblyDiagrams Exploded ViewsService Position SA-WFT7 Pry the cover with a scraper to aboid damage SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7 Section Disassembly TOP CoverPower Board AMP BOARD, Filter BoardBottom Cover B Assy Input BoardAcin Board SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7 Section Diagrams Circuit Boards LocationBlock Diagram LevelSemiconductor Location SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7 SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7 Location Side B IC B/D ~ ~ C111 IC601 TDA7570 AMP Board IC Pin Description FRONT/SURROUND Speaker Section SS-FRF7ED Center Speaker Section SS-CNF7ED Washer 5.0, NylonScrew +B Speaker Stand Section WS-FT7 SW 5, TYPE2Subwoofer SA-WFT7 COVER, TOP AEP,UKScrew +BVTP 3X8 TYPE2 IT-3 Screw +BVTP 4X16 TYPE2 IT-3CORD, Power UK CORD, Power AEPCORD, Power US,CND 201 A-1119-012-A Cabinet ASSY, SpeakerBRACKET, Base Section SmallAcin AMP AMP Filter PLUG, Connector 3P Diode Diode RD6.2ESB2Diode RD15ESB2 Diode RD15ESB2 Ferrite BeadFilter Input LED Power Power SW Accessories CLOTH, CleaningParts for Installation and Connections SEAL, BlindSUPPLEMENT-1 Discrimination Acin Board SW Board LED BoardTable of Contents Diagrams SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7 Section Diagrams Printed Wiring Boards Filter Section AMP BoardSA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7 Printed Wiring Board AMP /2 Printed Wiring Board AMP /2 BLKSchematic Diagram AMP Section Printed Wiring Boards Power Section ~ ~Schematic Diagram Power Section Acin AMP AMP Filter C507 131-686-31 SWITCH, Slide Phase Bass BoostGround Terminal EP151 1-537-770-21 Terminal BOARD, Ground Power SWITCH, Power PowerPhoto Coupler SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7 Revision History

SA-WFT7, SS-FRF7ED specifications

The Sony SS-FRF7ED and SA-WFT7 speaker system represents a harmonious blend of cutting-edge technology and superior audio performance, designed to elevate your listening experience. The SS-FRF7ED is a part of Sony's renowned line of floorstanding speakers, offering a powerful combination of elegance and robust sound. With a sleek design, the SS-FRF7ED can seamlessly integrate into any home environment while delivering stunning acoustic clarity.

One of the standout features of the SS-FRF7ED is its three-way configuration, which includes a high-frequency tweeter, mid-range driver, and dual bass drivers. This arrangement ensures that a wide frequency range is covered, allowing for rich highs, clear mids, and powerful lows. The frequency response is impressive, providing a listening experience that caters to various music genres, whether it be classical, rock, or electronic.

The speaker uses Sony's advanced Magnetic Fluid technology, which enhances the overall sound quality by reducing distortion and improving response times. This technology allows for greater dynamic range and ensures that even the most subtle nuances in music are accurately reproduced. The SS-FRF7ED also utilizes optimized bass reflex design, enabling deeper bass performance while minimizing air turbulence, resulting in clean and punchy bass response.

Complementing the SS-FRF7ED is the SA-WFT7 subwoofer, specifically engineered to provide deep, immersive bass that enhances any audio experience. The SA-WFT7 features a high-efficiency amplifier that delivers powerful output without compromising clarity. Its front-firing design and large diameter cone ensure that low frequencies are reproduced with full-bodied detail, making it an ideal partner for movie soundtracks and music alike.

Both the SS-FRF7ED and SA-WFT7 are designed with user convenience in mind. They come equipped with speaker terminals that facilitate easy integration with various audio systems, allowing users to create a comprehensive home theater setup. These speakers also feature a stylish finish that not only enhances their aesthetic appeal but also protects against dust and scratches.

In summary, the Sony SS-FRF7ED and SA-WFT7 speaker combination is an excellent choice for anyone looking to enhance their audio setup with high-quality sound and innovative technology. Whether you’re watching movies, listening to music, or playing video games, the superior performance and advanced features of this speaker system promise to deliver a captivating auditory experience.