KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/29AL66C/ 29SL42/29SL42C/29SL46/29XL42M

A BOARD LOCATION LIST

A BOARD: IC402 CXA2021S

A BOARD: IC203 MM1311AD

A BOARD: IC301 CXA2133S

DIODE

 

D306

I-11

 

D605

A-12

 

IC301

I-10

 

Q285

G-2

 

Q361

I-6

D001

H-6

 

D388

H-10

 

D606

C-13

 

IC302

J-7

 

Q286

J-3

 

Q390

H-10

D002

I-14

 

D403

H-12

 

D607

D-13

 

IC401

G-8

 

Q287

J-4

 

Q391

H-10

D003

K-14

 

D501

B-5

 

D608

A-10

 

IC402

G-13

 

Q288

J-4

 

Q501

D-6

D004

J-11

 

D502

E-4

 

D609

A-10

 

IC521

G-4

 

Q300

H-10

 

Q502

B-6

D005

K-14

 

D503

E-4

 

D610

C-11

 

IC541

F-4

 

Q302

J-9

 

Q521

H-4

D201

I-2

 

D520

C-6

 

D611

D-11

 

IC601

C-10

 

Q305

H-9

 

Q522

G-6

D202

I-2

 

D521

F-5

 

D612

D-14

 

IC602

F-10

 

Q306

I-11

 

Q550

H-3

D204

I-2

 

D522

G-6

 

D613

D-10

 

IC604

F-10

 

Q307

I-11

 

Q555

G-9

D205

K-3

 

D523

H-4

 

D614

D-10

 

TRANSISTOR

 

Q308

I-11

 

Q571

E-3

D207

G-2

 

D541

F-4

 

D615

A-8

 

Q001

I-12

 

Q309

I-11

 

Q601

D-13

D208

G-8

 

D550

H-3

 

D617

B-8

 

Q080

I-15

 

Q310

I-11

 

Q602

E-12

D250

I-2

 

D551

H-3

 

D620

F-13

 

Q082

I-12

 

Q349

H-6

 

Q603

E-13

D251

I-2

 

D552

D-3

 

D630

C-8

 

Q083

I-12

 

Q350

H-8

 

Q604

F-13

16

17

13

10

21

HPO

HPI

DET1

DET2

Vcc

AGC DET 1

AGC DET 2

L-IN

 

22

 

 

PS

1 R-IN

Vcc/2

 

 

VRS

GND

PS

18

2

15

1920

CH-L CL-L

 

 

 

 

 

 

 

 

MTV-V 31

TONE

VCA

 

 

 

 

LOUT

V1-V

1

 

 

 

 

9

V2-V

7

 

 

 

 

 

 

 

 

 

BASS

VOL

 

 

 

 

 

V3-V 13

 

 

 

 

 

 

 

 

 

TRE

BAL

 

 

 

 

 

 

 

TONE

VCA

 

 

 

 

ROUT

V1-Y

3

 

 

 

 

14

 

 

 

 

 

 

 

 

V2-Y

9

 

 

 

 

DAC

 

BUS DEC

V1-C

5

 

 

 

 

 

 

 

 

CH-R CL-R

BASS

TRE

BAL

VOL

SDA

SCL

V2-C 11

4

3

7

6

5

8

12

11

 

 

Vcc

28

6dB

6dB

–6dB

6dB

25 V OUT

22Y IN

27Y OUT

20C IN

29C OUT

D252

I-2

 

D561

D-3

 

D640

 

B-15

 

Q101

K-4

 

Q351

I-7

 

Q605

F-12

D253

J-2

 

D562

E-2

 

D650

 

D-10

 

Q170

K-5

 

Q352

I-7

 

Q607

F-13

 

 

 

 

 

 

 

 

 

 

D254

J-2

 

D571

D-4

 

 

IC

 

Q200

G-1

 

Q353

H-8

 

Q610

F-13

 

 

 

 

 

 

 

 

 

 

D255

J-2

 

D572

G-3

 

IC001

 

J-13

 

Q201

G-1

 

Q354

I-7

 

Q630

B-15

 

 

 

 

 

 

 

 

 

 

D280

J-2

 

D573

G-3

 

IC002

 

J-14

 

Q203

G-8

 

Q355

I-6

 

Q650

H-8

 

 

 

 

 

 

 

 

 

 

D281

H-2

 

D574

G-4

 

IC003

 

K-14

 

Q280

H-3

 

Q356

H-6

 

CRYSTAL

 

 

 

 

 

 

 

 

 

 

D302

G-10

 

D581

G-3

 

IC004

 

H-15

 

Q281

H-3

 

Q357

H-6

 

X001

J-13

 

 

 

 

 

 

 

 

 

 

D303

J-12

 

D602

C-14

 

IC010

 

K-9

 

Q282

H-3

 

Q358

H-9

 

X301

J-9

 

 

 

 

 

 

 

 

 

 

D304

J-10

 

D603

D-13

 

IC202

 

G-2

 

Q283

H-2

 

Q359

H-9

 

 

 

 

 

 

 

 

 

 

 

 

 

D305

I-11

 

D604

D-13

 

IC203

 

I-4

 

Q284

G-2

 

Q360

J-8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Portions of the circuit marked as shown are high

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

voltage areas. Use care to prevent electric shocks

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

during inspection or repair.

 

 

 

 

MTV-L 32

 

 

 

 

V1-L

2

 

 

 

 

V2-L

8

A BOARD: IC541 TDA8172

 

V3-L 14

 

 

OUTPUT

 

MTV-R 30

 

SUPPLY

STAGE

FLYBACK

 

V1-R 4

 

VOLTAGE

SUPPLY

GENERATOR

 

2

6

3

V2-R 10

 

 

 

 

V3-R 15

 

 

 

FLYBACK

 

 

 

 

 

GENERATOR

BIAS 26

INVERTING

1

 

 

SCL 18

INPUT

 

 

 

SDA 17

 

 

POWER

 

 

 

5

OUTPUT

 

 

 

AMPLIFIER

 

 

 

 

 

 

-6dB

-6dB

BIAS

I 2 C LOGIC

24 L OUT

23 R OUT

6S1

12 S2

16 ADDRESS

19 MUTE

A

NON-INVERTING 7 INPUT

THERMAL

21

GND

[TUNING CONTROL,Y/C/J, DEFLECTION,TUNER/IF, AUDIO, MTS]

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROTECTION

4 GND

B

C

D

E

F

G

H

I

J

K

L

A BOARD (*) MARK VARIANT LIST

 

 

 

KV-29XL42M

 

 

 

 

 

 

 

 

KV-29SL42C

 

 

 

KV-29AL42

KV-29AL66

REF NO.

LOC.

KV-27S42

KV-29SL42

KV-27S46

KV-29SL46

KV-27S66

KV-29AL42C

KV-29AL66C

C216

C17

0.47MF

0.47MF

0.47MF

0.47MF

0.47MF

#

#

C217

C17

0.47MF

0.47MF

0.47MF

0.47MF

0.47MF

#

#

C250

B7

#

#

#

#

1

#

1

C251

B7

#

#

#

#

1

#

1

C252

B6

#

#

#

#

0.47MF

#

0.47MF

C280

A7

#

#

#

#

#

#

470 25V

C281

A8

#

#

#

#

#

#

0.47MF

C282

B8

#

#

#

#

#

#

0.47MF

C370

F13

#

#

0.01MF

0.01MF

0.01MF

#

0.01MF

C371

F13

#

#

0.01MF

0.01MF

0.01MF

#

0.01MF

C372

F13

#

#

0.01MF

0.01MF

0.01MF

#

0.01MF

C380

F13

0.01MF

0.01MF

#

#

#

0.01MF

#

C381

F13

0.01MF

0.01MF

#

#

#

0.01MF

#

C382

F13

0.01MF

0.01MF

#

#

#

0.01MF

#

C418

F9

10MF

10MF

10MF

10MF

10MF

#

#

C613

M3

680MF 250V

560MF 400V

680MF 250V

560MF 400V

680MF 250V

560MF 400V

560 400V

C615

M6

0.0022MF

0.0047MF

0.0022MF

0.0047MF

0.0022MF

0.0047MF

0.0047MF

C616

L4

#

0.022 400V

#

0.022 400V

#

0.022 400V

0.022 400V

C617

L4

#

220p

#

220p

#

220p

220p

C627

E2

#

#

#

#

0.1MF

#

0.1MF

C699

M6

#

0.0047MF

#

0.0047MF

#

0.0047MF

0.0047MF

CN150

B1

#

#

#

#

15P

#

#

CN151

E1

#

#

#

#

#

#

8P

CN152

F13

#

#

#

#

#

#

6P

CN251

A16

#

#

#

#

#

7P

7P

CN253

A15

#

#

#

#

#

7P

7P

CN301

H20

5P

5P

5P

5P

5P

8P

8P

CN302

E20

#

#

15P

15P

15P

#

15P

D002

J2

LNK0120022G

LNK0120022G

LNK0120022G

LNK0120022G

LNK0120022G

#

#

D208

D17

MTZJ-T-77-10B

MTZJ-T-77-10B

MTZJ-T-77-10B

MTZJ-T-77-10B

MTZJ-T-77-10B

MTZJ-T-77-2.2A

MTZJ-T-77-2.2A

D280

B8

#

#

#

#

#

#

MTZJ-T-77-3.3

D281

B8

#

#

#

#

#

#

MTZJ-T-77-3.3

D403

E9

1SS133T-77

1SS133T-77

1SS133T-77

1SS133T-77

1SS133T-77

#

#

D609

L4

#

RU-1P

#

RU-1P

#

RU-1P

RU-1P

IC004

J1

IC SBX1981-51

IC SBX1981-51

IC SBX1981-51

IC SBX1981-51

IC SBX1981-51

#

#

IC203

C6

MM1311AD

MM1311AD

MM1313AD

MM1313AD

MM1313AD

MM1311AD

MM1313AD

IC401

B18

TDA7057AQ

TDA7057AQ

TDA7057AQ

TDA7057AQ

TDA7057AQ

#

#

IC601

L5

IC SRTF6626

IC SRTF6656

IC SRTF6626

IC SRTF6656

IC SRTF6626

IC SRTF6656

IC SRTF6656

J202

A11

#

#

3P

3P

3P

#

3P

J204

A9

#

#

#

#

#

#

3P

PS201

F7

2A/90V

2A/90V

2A/90V

2A/90V

2A/90V

#

#

Q080

A7

#

#

#

#

#

#

2SD601A

Q280

B7

#

#

#

#

#

#

2SB709A

Q281

B7

#

#

#

#

#

#

2SB709A

Q282

B7

#

#

#

#

#

#

2SB709A

Q283

B8

#

#

#

#

#

#

2SD601A

Q284

B9

#

#

#

#

#

#

2SD601A

Q285

J14

#

#

#

#

#

#

2SD601A

Q390

K14

#

#

#

#

#

2SD601A

2SD601A

Q391

B17

#

#

#

#

#

2SD601A

2SD601A

R020

J5

6.8K

6.8K

6.8K

6.8K

6.8K

#

#

R021

J6

680

680

680

680

680

#

#

R022

J5

820

820

820

820

820

#

#

R023

J5

2.2K

2.2K

2.2K

2.2K

2.2K

#

#

 

 

 

KV-29XL42M

 

 

 

 

 

 

 

 

KV-29SL42C

 

 

 

KV-29AL42

KV-29AL66

REF NO.

LOC.

KV-27S42

KV-29SL42

KV-29SL46

KV-27S46

KV-27S66

KV-29AL42C

KV-29AL66C

R065

J2

0

0

0

0

0

#

#

R080

F8

#

#

#

#

#

#

22K

R082

F8

#

#

#

#

#

#

10K

R083

I3

#

#

#

#

#

#

470

R084

G8

#

#

#

#

#

#

10K

R090

J4

10K

10K

10K

10K

10K

#

#

R211

D17

100 1/6W

100 1/6W

100 1/6W

100 1/6W

100 1/6W

#

#

R212

D18

4.7 1/4W

4.7 1/4W

4.7 1/4W

4.7 1/4W

4.7 1/4W

#

#

R231

C17

2.2K

2.2K

2.2K

2.2K

2.2K

#

#

R232

C16

10K

10K

10K

10K

10K

#

#

R233

C16

10K

10K

10K

10K

10K

#

#

R236

C17

2.2K

2.2K

2.2K

2.2K

2.2K

#

#

R255

E6

#

#

#

#

#

75

75

R278

C7

#

#

#

#

0

#

0

R280

A6

#

#

#

#

#

#

100

R281

B6

#

#

#

#

#

#

100

R282

B6

#

#

#

#

#

#

100

R283

E7

#

#

0

0

0

#

0

R284

A6

#

#

#

#

#

#

220

R285

A6

#

#

#

#

#

#

4.7K

R286

B6

#

#

#

#

#

#

4.7K

R287

B7

#

#

#

#

#

#

4.7K

R288

B7

#

#

#

#

#

#

4.7K

R289

B8

#

#

#

#

#

#

68

R290

B8

#

#

#

#

#

#

470K

R291

B9

#

#

#

#

#

#

470K

R292

B9

#

#

#

#

#

#

470K

R293

B7

#

#

#

#

#

#

6.8K

R294

B8

#

#

#

#

#

#

6.8K

R295

B9

#

#

#

#

#

#

6.8K

R390

J14

#

#

#

#

#

1K

1K

R391

J14

#

#

#

#

#

10K

10K

R392

K14

#

#

#

#

#

1K

1K

R394

G4

#

#

#

#

#

220

220

R395

J14

#

#

#

#

#

1K

1K

R400

E8

22K

22K

22K

22K

22K

#

#

R407

D7

0

0

#

#

#

0

#

R432

F9

8.2K

8.2K

8.2K

8.2K

8.2K

#

#

R450

D16

#

#

#

#

#

0

0

R451

D16

#

#

#

#

#

0

0

R633

M3

390K

270K

390K

270K

390K

270K

270K

R637

L3

#

100K

#

100K

#

100K

100K

R638

M3

JW(5MM)

270K

JW(5MM)

270K

JW(5MM)

270K

270K

R656

M6

33

56

33

56

33

56

56

S001

J6

1-692-431-21

1-692-431-21

1-692-431-21

1-692-431-21

1-692-431-21

#

#

S002

J5

1-692-431-21

1-692-431-21

1-692-431-21

1-692-431-21

1-692-431-21

#

#

S003

J5

1-692-431-21

1-692-431-21

1-692-431-21

1-692-431-21

1-692-431-21

#

#

S004

J5

1-692-431-21

1-692-431-21

1-692-431-21

1-692-431-21

1-692-431-21

#

#

S005

J6

1-692-431-21

1-692-431-21

1-692-431-21

1-692-431-21

1-692-431-21

#

#

S006

J4

1-692-431-21

1-692-431-21

1-692-431-21

1-692-431-21

1-692-431-21

#

#

S007

J4

1-692-431-21

1-692-431-21

1-692-431-21

1-692-431-21

1-692-431-21

#

#

T603

E6

1-433-806-11

1-433-807-11

1-433-806-11

1-433-807-11

1-433-806-11

1-433-807-11

1-433-807-11

THP601

M9

#

1-803-540-11

#

1-803-540-11

#

1-803-540-11

1-803-540-11

THP602

M9

1-809-539-11

#

1-809-539-11

#

1-809-539-11

#

#

#: NOT MOUNTED

Schematic Diagrams

— 27 —— 28 —

A board

— 29 —

— 30 —

857 2 A IC block and PWB.p65

1

3/26/99, 3:16 PM

Page 24 Page 26
Page 25
Image 25
Sony KV-27S42 service manual Board * Mark Variant List
Page 24 Page 26

KV-27S42 specifications

The Sony KV-27S42, KV-27S66, and KV-27S46 are notable models within Sony's acclaimed line of Trinitron televisions, which contributed significantly to the brand's reputation for delivering high-quality viewing experiences. These models are characterized by their sturdy construction, vibrant picture quality, and user-friendly features, which made them popular among consumers during their release.

The KV-27S42 model is equipped with Sony's advanced Trinitron technology, offering a flat CRT screen that minimizes glare and enhances color accuracy. With a 27-inch display size, the KV-27S42 is designed to provide an immersive viewing experience without occupying excessive space in the living room. This model also features a variety of input options including composite, S-video, and RF inputs, allowing users to connect multiple devices such as VCRs, DVD players, and gaming consoles effortlessly.

The KV-27S66 model builds upon the strengths of its predecessor with enhancements in audio and video technologies. It features a built-in 2-channel sound system that delivers clear and dynamic audio, complementing the stunning visuals produced by the Trinitron display. The KV-27S66 also includes a digital comb filter, which improves picture sharpness by separating the brightness and color signals, resulting in reduced artifacts and enhanced clarity.

Meanwhile, the KV-27S46 incorporates some of the latest technologies of its time, such as the use of Super Fine Pitch Trinitron technology. This innovation enhances the display's resolution, offering finer detail and more precise color reproduction. The KV-27S46 also supports multiple viewing formats, making it suitable for various video sources, including standard cable and DVDs.

Each of these models is designed with an intuitive on-screen menu that simplifies the navigation of settings, making it easy for users to adjust picture and sound settings to their preferences. Remote control functionality further enhances the user experience, allowing for effortless operation from a distance.

In summary, the Sony KV-27S42, KV-27S66, and KV-27S46 televisions stand out for their historical significance in delivering quality display and audio technologies. With various features that cater to home entertainment needs, these televisions remain a testament to Sony's lasting legacy in the consumer electronics market. While these models may not compete with today's flat-screen technology, they were pioneering products that set the stage for future innovations in television design and performance.
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