Sylvania SRT2232X service manual Audio Block Diagram, L6650BLA

Page 25

Audio Block Diagram

AUDIO SIGNAL

MAIN CBA

IC431 (MTS/SAP AUDIO SIGNAL PROCESS)

FROM

SIF

21

VCA

STEREO

L+R

75uS

OFFSET

L-CH 30

IF/VIDEO BLOCK

FILTER

OFFSET

FILTER

DE-EMPH

CANCEL

L-R

MATRIX

AGC

FILTER

WIDE BAND

OFFSET

R-CH 29

(L-R)/SAP

SAP

SAP OUT

SW

FILTER

RMS DET

EXPAND

CANCEL

FILTER

DEMOD

FILTER

dBX

SPECTRAL

DE-EMPH

EXPAND

24

I2C

27

DECORDER

SPECTRAL

FILTER

RMS DET

IC771 (INPUT SELECT)

IC801

(AUDIO AMP)

TUNER

WF6

11

CN801

REAR

DC

SP801

15

13

5

7

SP-L

1

FRONT

VOL.

SPEAKER

12

SP-GND

2

L-CH

(L-CH)

DC

CN802

SP802

2

12

SP-R

1

VOL.

SPEAKER

SP-GND

2

JK702

(R-CH)

R-CH

AUDIO-IN(L)

(REAR)

4

TUNER

6

JK703

REAR

2

3

AUDIO-IN(R)

FRONT

1

(REAR)

JK722

SW CTL

AUDIO-IN(L)

9 10

(FRONT)

Q825

JK723

AUDIO-IN(R)

(FRONT)

Q761

JK702

AMP

AUDIO-OUT(L)

(REAR)

Q751

JK703

AMP

A-MUTE-H

AUDIO-OUT(R)

Q792

Q791

Q794

VOLUME

(REAR)

Q793

+8V

A-O-MUTE

FROM/TO

INPUT 0

SYSTEM CONTROL

INPUT 1

BLOCK

SCL

SDA

6-5

6-6

L6650BLA

Image 25

Contents SRT2232X Table of Contents Important Safety NoticeDescription Condition Unit Nominal Limit SpecificationsDBµV DBµV AFT Pull In Range 10mV input MHz ±2.2 ±0.7Safety Precautions for TV Circuit Important Safety PrecautionsNot be Above 0.5 mA L6115IMPL6115IMP Precautions during Servicing Clearance Distance Safety Check after ServicingLeakage Current Test Standard Notes for Servicing How to Remove / Install Flat Pack-ICCircuit Board Indications RemovalWith Soldering Iron With Iron WireInstructions for Handling Semiconductors Disassembly Flowchart Cabinet Disassembly InstructionsDisassembly Method Reference Notes in the TableMain CBA Rear CabinetTV Cable Wiring Diagram How to set up the service mode Electrical Adjustment Instructions+B Adjustment Service modeAV Memory Setting data Initial SettingGeneral Set toCNT Enter the Service mode. SeeSD Check Mode Black Stretch Control AdjustmentPurity Check Size Adjustment Position Adjustment10. V. Position Adjustment Pedestal Adjustment14. H. Size Adjustment Software ResetPIN Cushion Adjustment White Balance Adjustment Cut-off AdjustmentMode Input Focus Adjustment Sub-Brightness AdjustmentPurity Adjustment Figures Convergence AdjustmentSystem Control Block Diagram Block DiagramsL6650BLS RF/IF Signal Video Signal Audio Signal IF/Video Block DiagramL6650BLA Audio Block DiagramWF7 WF8 CRT/H.V. Block DiagramL6650BLP Power Supply Block DiagramHOT CIRCUIT. be Careful Standard Notes Schematic Diagrams / Cbas and Test PointsTolerance of Capacitors are noted with the following How to read converged lines Wire ConnectorsIs not consistent here Test Point InformationMain 1/4 Ref No. Position Main 1/4 Schematic DiagramIC151 IC333 C-2 Q111 D-1 Q131 A-3 Q141 A-4 Q191 B-4 Q321 E-2Main 2/4 Ref No. Position Main 2/4 Schematic DiagramIC431 IC771 IC801 CN801 L-4 CN802 L-3 L6650SCM2Main 3/4 Schematic Diagram Main 4/4 & CRT Schematic Diagram BL6650F01011-1 Main CBA Top ViewMain CBA Bottom View CRT CBA Top View CRT CBA Bottom View 20∝sec WaveformsL6650WF L6650WI Wiring DiagramIC PIN Functions Pin Signal Name FunctionIC333 TV Micro Computer White Balance Adjustment Input For Remote ControlSwitching if IC VCO JudgementCabinet Exploded ViewsDetails for DY551 and surrounding parts 11-2 L6650CEX11-3 L6250PEX PackingV501 and DY551 Combination Mechanical Parts ListCRT Warning Label Location 20030303 12-1 L6650CA20030303 13-1 L6650EL Electrical Parts ListCapacitors 20030303 13-2 L6650EL 20030303 13-3 L6650EL 20030303 13-4 L6650EL ConnectorsDiodes ICS 20030303 13-5 L6650ELCoils Transistors 20030303 13-6 L6650ELResistors 20030303 13-7 L6650EL20030303 13-8 L6650EL 20030303 13-9 L6650EL 20030303 13-10 L6650EL SwitchesMiscellaneous 20030303 13-11 L6650EL20030303 13-12 L6650EL SRT2232X L6650UA

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.