CRT/H.V. Block Diagram

VIDEO SIGNAL

IC551 (V-DEFLECTION CONTROL)

MAIN CBA

 

 

 

 

 

 

 

 

WF11

THERMAL

 

 

 

 

 

WF12

DY551 D.Y.

 

 

 

 

 

 

 

 

PROTECTION

 

 

 

 

 

5

V-

 

 

RAMP-OUT

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DRIVE

 

 

P-ON-H

 

 

 

 

 

 

 

AMP

 

5

 

 

 

 

4

 

 

 

 

 

 

Q531

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PULSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(SWITCHING)

 

 

 

 

 

 

 

3

H-

 

 

V-RAMP-F/B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UP

 

 

 

 

 

WF9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DRIVE

 

 

 

 

 

 

 

 

 

 

 

 

 

Q551,

H.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

FROM/TO

 

 

 

 

 

 

 

 

6

3

 

 

Q552

CONTROL

 

 

 

IF/VIDEO BLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

CN551

 

 

 

 

WF7

WF8

 

 

 

 

Q561

 

 

 

 

 

 

 

 

 

Q533

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(SWITCHING)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q572

 

 

Q571

SWITCHING

 

 

 

 

 

 

 

 

 

 

 

 

T572

 

 

 

 

 

 

 

 

VR561

VR562

 

 

 

 

P-ON-ON

 

 

 

 

 

 

 

 

 

 

 

H-DRIVE

 

 

 

 

 

 

 

 

 

 

 

 

 

H.DRIVE

 

H.OUTPUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PCC

WIDTH

 

 

 

PROTECT-1

 

 

 

 

 

 

 

 

 

 

 

Q547

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROTECT-2

 

 

 

 

 

 

 

 

 

 

 

(SWITCHING)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FROM POWER

DEF+B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SUPPLY BLOCK

+B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T571 F.B.T.

FOCUS VR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HV

 

 

 

ANODE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

 

 

 

 

 

 

 

 

 

 

 

 

X-RAY CHECK

 

 

 

S

 

 

 

FOCUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TP591

 

TP592

1

 

 

11

 

 

 

SCREEN

 

 

 

 

 

 

 

 

 

 

3

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

SCREEN VR

 

 

 

 

 

 

ANODE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

TP302

 

 

 

 

 

 

WF10

WH501A

 

 

WH501B

 

 

 

 

 

 

15kHz

 

 

 

 

 

 

 

 

3

HEATER

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FROM/TO

PROTECT-3

 

 

 

 

 

 

 

 

 

 

1

+200V

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYSTEM CONTROL

FBP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLOCK

ACL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JK1501

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FOCUS

 

 

 

 

 

 

 

 

WF3

 

 

 

 

 

 

 

 

 

SCREEN

 

 

TO WH301A

WH301B

 

 

 

 

Q1511,

WF15

WF4

Q1521,

WF14

 

 

 

 

GND

 

 

 

 

 

 

 

Q1512

 

 

 

 

 

 

 

 

 

RED

3

 

 

 

 

 

RED AMP

 

Q1522

 

 

 

 

 

 

 

FROM

 

 

 

 

 

 

 

 

 

 

 

 

R

V501

GREEN

4

 

 

 

 

 

 

 

 

GREEN AMP

 

 

 

 

 

IF/VIDEO BLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

CRT

BLUE

5

 

 

 

 

 

 

 

 

 

 

 

 

BLUE AMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q1531,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WF5

WF13

HEATER

 

 

 

 

 

TP500

TP501

 

 

 

 

 

 

Q1532

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

BLUE

 

 

 

 

 

 

 

 

 

CN1501

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

CRT CBA

6-7

6-8

L6650BLCRT

Page 26
Image 26
Sylvania SRT2232X service manual CRT/H.V. Block Diagram, WF7 WF8

SRT2232X specifications

The Sylvania SRT2232X is a modern flat screen television that has garnered attention for its impressive features and cutting-edge technology. With a sleek design and robust capabilities, this TV is an appealing option for home entertainment.

One of the standout characteristics of the SRT2232X is its 32-inch LED display, which provides vibrant colors and sharp images. Thanks to the LED backlighting, viewers experience enhanced brightness and improved energy efficiency. The screen boasts a resolution of 1366 x 768 pixels, making it suitable for everyday viewing, whether it be movies, sports, or gaming.

The SRT2232X incorporates several technologies that improve the viewing experience. One such technology is the Digital Noise Reduction, which minimizes unwanted noise and enhances picture clarity. This feature is essential for content with high motion, ensuring that viewers can enjoy a smoother image without distractions.

The television includes integrated digital tuners that allow users to access free-to-air digital channels without the need for an additional set-top box. This convenience is coupled with HDMI ports that enable users to connect various devices, such as gaming consoles and Blu-ray players, providing versatility in multimedia options.

Audio quality is equally important, and the SRT2232X does not disappoint. It features built-in speakers that deliver clear and rich sound, suitable for standard viewing. Additionally, it often includes audio enhancement technologies that improve sound output, transforming the viewing experience into a more immersive one.

Furthermore, the Sylvania SRT2232X is designed with smart connectivity options. It typically includes USB ports that allow for direct playback of media files from flash drives. This means users can easily watch their favorite videos or view images without complicated setups.

The product is also lightweight and easily mountable, making it a flexible option for various living spaces. Whether placed on a stand or wall-mounted, the aesthetic appeal of the SRT2232X fits well in contemporary decor.

Overall, the Sylvania SRT2232X successfully combines solid performance with great features, making it a noteworthy choice for those seeking an affordable yet capable flat screen television for their home. With its combination of display technology, smart features, and user-friendly design, it provides a pleasant viewing experience for all.