Sylvania SRT2232X service manual Main 3/4 Schematic Diagram

Page 32

Main 3/4 Schematic Diagram

IF SIGNAL

CAUTION !

Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.

 

VIDEO SIGNAL If Main Fuse (F601) is blown, check to see that all components in the power supply

AUDIO SIGNAL

circuit are not defective before you connect the AC plug to the AC power supply.

Otherwise it may cause some components in the power supply circuit to fail.

 

NOTE :

 

 

 

 

 

CAUTION: FOR CONTINUED PROTECTION AGAINST RISK

 

 

 

 

 

OF FIRE, REPLACE ONLY WITH SAME TYPE 4A, 125V FUSE.

 

 

 

 

 

The voltage for parts in hot circuit is measured

 

 

 

 

 

ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE

 

 

 

 

 

using hot GND as a common terminal.

4A/125V MÊME TYPE DE 4A, 125V.

M4

N4

O4

P4

Q4

R4

M3

N3

O3

P3

Q3

R3

M2

 

O2

P2

Q2

R2

M1

N1

O1

P1

Q1

R1

 

7-7

 

 

 

7-8

MAIN 3/4

Ref No. Position

 

ICS

IC33

P-3

IC601 O-1

TRANSISTORS

Q21 P-4

Q33

P-4

Q601

P-2

Q602

P-1

Q652

O-1

Q672

N-2

Q673

N-1

Q674

N-1

Q681

M-2

Q682

M-1

Q683

M-1

Q696 O-2

CONNECTOR

CN691 Q-2

TEST POINTS

TP300 N-4

TP301 N-4

VARIABLE RESISTOR

VR661 O-1

L6650SCM3

Page 31 Page 33
Image 32
Page 31 Page 33
Contents SRT2232X Important Safety Notice Table of ContentsSpecifications Description Condition Unit Nominal LimitDBµV DBµV AFT Pull In Range 10mV input MHz ±2.2 ±0.7Important Safety Precautions Safety Precautions for TV CircuitNot be Above 0.5 mA L6115IMPL6115IMP Precautions during Servicing Leakage Current Test Safety Check after ServicingClearance Distance How to Remove / Install Flat Pack-IC Standard Notes for ServicingCircuit Board Indications RemovalWith Iron Wire With Soldering IronInstructions for Handling Semiconductors Cabinet Disassembly Instructions Disassembly FlowchartDisassembly Method Reference Notes in the TableRear Cabinet Main CBATV Cable Wiring Diagram Electrical Adjustment Instructions How to set up the service mode+B Adjustment Service modeInitial Setting AV Memory Setting dataGeneral Set toEnter the Service mode. See CNTPurity Check Black Stretch Control AdjustmentSD Check Mode Position Adjustment Size Adjustment10. V. Position Adjustment Pedestal AdjustmentPIN Cushion Adjustment Software Reset14. H. Size Adjustment Mode Input Cut-off AdjustmentWhite Balance Adjustment Purity Adjustment Sub-Brightness AdjustmentFocus Adjustment Convergence Adjustment FiguresL6650BLS Block DiagramsSystem Control Block Diagram IF/Video Block Diagram RF/IF Signal Video Signal Audio SignalAudio Block Diagram L6650BLACRT/H.V. Block Diagram WF7 WF8HOT CIRCUIT. be Careful Power Supply Block DiagramL6650BLP Tolerance of Capacitors are noted with the following Schematic Diagrams / Cbas and Test PointsStandard Notes Wire Connectors How to read converged linesIs not consistent here Test Point InformationMain 1/4 Schematic Diagram Main 1/4 Ref No. PositionIC151 IC333 C-2 Q111 D-1 Q131 A-3 Q141 A-4 Q191 B-4 Q321 E-2Main 2/4 Schematic Diagram Main 2/4 Ref No. PositionIC431 IC771 IC801 CN801 L-4 CN802 L-3 L6650SCM2Main 3/4 Schematic Diagram Main 4/4 & CRT Schematic Diagram Main CBA Top View BL6650F01011-1Main CBA Bottom View CRT CBA Top View CRT CBA Bottom View L6650WF Waveforms20∝sec Wiring Diagram L6650WIIC333 TV Micro Computer Pin Signal Name FunctionIC PIN Functions Input For Remote Control White Balance AdjustmentSwitching if IC VCO JudgementExploded Views CabinetDetails for DY551 and surrounding parts 11-2 L6650CEXPacking 11-3 L6250PEXMechanical Parts List V501 and DY551 CombinationCRT Warning Label Location 20030303 12-1 L6650CACapacitors Electrical Parts List20030303 13-1 L6650EL 20030303 13-2 L6650EL 20030303 13-3 L6650EL Diodes Connectors20030303 13-4 L6650EL Coils 20030303 13-5 L6650ELICS 20030303 13-6 L6650EL Transistors20030303 13-7 L6650EL Resistors20030303 13-8 L6650EL 20030303 13-9 L6650EL Switches 20030303 13-10 L6650EL20030303 13-11 L6650EL Miscellaneous20030303 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.
Top Page Image Contents