Sony SA-WFT7, SS-FRF7ED service manual Block Diagram, Level

Page 11

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

3-2. BLOCK DIAGRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S501

 

 

 

 

 

 

 

 

 

DRIVER AMP

 

 

 

 

 

 

 

 

 

 

PHASE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PRE AMP

 

 

 

 

 

 

 

 

 

 

 

 

IC601

 

 

 

 

 

 

 

 

REVERSE

NORMAL VR502

 

 

 

 

 

 

 

 

 

 

28

 

 

 

 

 

 

FILTER AMP

AMP

 

 

 

AMP

 

AMP

 

 

 

 

 

 

IC501 (1/2)

 

 

 

LEVEL

 

 

 

 

 

 

FEEDLIN

 

 

 

J701

3

1

 

 

3

 

IC502 (2/2)

 

PROTECTION

 

IC501 (2/2)

 

IC502 (1/2)

 

 

GNL 21

POWER

 

 

 

 

 

 

 

IC503 (1/2)

 

 

 

 

 

 

 

GNLS 22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INPUT

 

 

 

 

 

4

1

5

7

Q502,503

5

7

3

1

46 IN L+

 

 

GPL 18

AMP

SP901

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q651-654

SPEAKER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PHASE AMP

 

 

 

 

 

 

 

 

 

50 IN R-

 

 

GPLS 17

 

 

 

 

 

 

IC503 (2/2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

7

FILTER

 

 

 

 

D604

 

 

 

 

 

 

GPRS 5

 

 

 

 

 

 

Q501

 

 

 

 

DC VOLTAGE

 

MUTE

 

 

 

 

 

 

 

 

 

 

 

VR501

 

 

+25V

 

55 MUTE

 

 

GPR 4

POWER

 

 

 

 

 

 

 

 

 

 

 

DETECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q602,603,607

 

 

 

 

 

 

 

 

 

 

BASS BOOST

 

 

 

 

Q604-606

 

 

 

 

 

AMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THWINT

THWEXT

FEEDRIN

GNR 64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q671-674

DC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GNRS 63

 

OFFSET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

36 37 57

 

 

Q690,692,693

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INPEDANCE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DETECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q600,689,691

 

 

 

 

SUB+9V

VOLTAGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DETECT

 

 

 

 

 

OVERLOAD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q403

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROTECT

 

 

 

 

 

 

 

 

 

 

SIGNAL AMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUTO POWER OFF DETECT

 

 

Q204,205,207

 

 

 

 

 

 

 

 

 

 

IC401

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC402

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

7

2

1

SIGNAL

 

6

7

 

RELAY/LED

GREEN

 

LD801

 

 

 

 

 

 

 

 

DETECT

 

 

DRIVE

RED

ON/STANDBY

 

 

 

 

 

 

 

 

 

 

 

Q401,402

 

 

 

 

Q201-203,206

 

 

 

 

 

 

 

 

 

 

S401

POWER SAVE

 

 

RY201

OFF

AUTO

RY202

S301

T201

 

 

POWER

 

 

POWER

 

 

F901

TRANSFORMER

 

 

 

 

 

AC IN ~

 

RECT

SUB+9V

 

D201-204

 

 

 

 

D206

AC OFF

 

 

 

DETECT

 

 

 

Q208

 

 

 

RY201

 

 

 

 

 

 

 

 

RECT

 

 

 

 

 

 

 

 

D101

 

DC-DC CONVERTER

 

 

 

 

 

 

RY202

 

 

 

 

 

 

 

 

IC101

 

 

 

 

 

 

 

 

VG H 16

ON/OFF

 

 

 

 

 

 

DRIVE

T101

 

SUB+9V

+6.2V REG

+6.2V

 

 

 

Q101

DC-DC CONVERTER

 

Q404

 

 

 

 

TRANSFORMER

 

 

 

18 VD

 

 

 

 

 

 

 

 

 

 

 

+15V REG

 

 

 

 

ON/OFF

RECT

+25V

 

 

 

VG L 12

 

+25V

+15V

 

DRIVE

D151

 

Q505,506,551

 

-25V

 

 

 

 

 

Q102

 

 

 

 

 

 

 

 

 

 

DC DETECT

2

F/B

 

 

 

 

 

 

PH101

 

 

 

 

 

-15V REG

 

 

 

 

 

 

-25V

-15V

 

OCP

9

 

 

 

Q507,508,552

 

 

 

D159

 

 

 

 

 

 

 

 

 

 

 

VCI

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D107

 

 

Signal path : LINE

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

11 11

Image 11
Contents Speaker Stand WS-FT7 SpecificationsComponent Model Name SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7 Safety CHECK-OUTExploded Views Table of Contents Servicing NotesDisassembly DiagramsService Position SA-WFT7 Pry the cover with a scraper to aboid damage TOP Cover SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7 Section DisassemblyAMP BOARD, Filter Board Power BoardInput Board Bottom Cover B AssyAcin Board Circuit Boards Location SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7 Section DiagramsLevel Block DiagramSemiconductor 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 Screw +B Center Speaker Section SS-CNF7EDWasher 5.0, Nylon SW 5, TYPE2 Speaker Stand Section WS-FT7Screw +BVTP 4X16 TYPE2 IT-3 Subwoofer SA-WFT7COVER, TOP AEP,UK Screw +BVTP 3X8 TYPE2 IT-3201 A-1119-012-A Cabinet ASSY, Speaker CORD, Power UKCORD, Power AEP CORD, Power US,CNDSmall BRACKET, Base SectionAcin AMP AMP Filter Diode RD15ESB2 Ferrite Bead PLUG, Connector 3P DiodeDiode RD6.2ESB2 Diode RD15ESB2Filter Input LED Power Power SW SEAL, Blind AccessoriesCLOTH, Cleaning Parts for Installation and ConnectionsSUPPLEMENT-1 Acin Board SW Board LED Board DiscriminationTable of Contents Diagrams SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7 Section Diagrams AMP Board Printed Wiring Boards Filter SectionSA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7 Printed Wiring Board AMP /2 BLK Printed Wiring Board AMP /2Schematic Diagram AMP Section ~ ~ Printed Wiring Boards Power SectionSchematic Diagram Power Section Acin AMP AMP Filter C507 131-686-31 Ground Terminal EP151 1-537-770-21 Terminal BOARD, Ground SWITCH, Slide PhaseBass Boost Photo Coupler PowerSWITCH, Power Power 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.