Sylvania SRT2232X service manual Black Stretch Control Adjustment, Purity Check, SD Check Mode

Page 17

5. Black Stretch Control Adjustment

Purpose: To show the fine black color.

Symptom of Misadjustment: Black color will not

appear correctly.

Note: Use service remote control unit.

1.Enter the Service mode. (See page 5-1)

2.Press "6" button on the service remote control unit. "B-S" is indicated.

3.Press "CH o / p" buttons on the service remote con- trol unit so that display will change "OFF," "0," and "1." Then choose "B-S OFF."

4.Press "6" button on the service remote control unit. "B-S2" is indicated.

5.Press "CH o / p" buttons on the service remote control unit so that display will change "0" and "1." Then choose "B-S2 0."

6.Turn the power off and on again, using the main power button on the TV unit.

6. Purity Check

1.Enter the Service mode. (See page 5-1)

2.Press "7" button on the remote control unit. Each time pressing 7" button on the remote control unit, display changes Red mode, Green mode, Blue mode, and White mode cyclically.

3.Select White mode.

4.Turn the power off and on again. (Main power but- ton on the TV unit.)

7. SD Check Mode

1.Enter the Service mode. (See page 5-1)

2.Press "1" button on the remote control unit. The unit enter the SD-Check mode.

3.The unit starts selecting the added channel from first channel according to the memorized CH ADD/ DELL data and CATV/TV data in RAM.

SD Check mode (Factory mode)

Press "1" buton.

7

Please wait

 

 

OSD color:

 

 

 

 

Magenta

There is no SD after

 

 

 

 

 

 

 

 

selecting channel.

 

13

 

 

 

 

 

 

 

 

Please wait

 

 

There are SD

 

OSD color:

 

 

 

 

 

in all channel.

 

Magenta

 

 

 

26

 

30

 

 

OK

NG

 

 

OSD color:

OSD color:

 

 

Magenta

Magenta

When SD-Check starting, there is no ADD channel.

ADD nothing

OSD color:

Magenta

5-4

L6650EA

Page 16 Page 18
Image 17
Page 16 Page 18
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 Leakage Current Test Safety Check after ServicingClearance Distance 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. SeePurity Check Black Stretch Control AdjustmentSD Check Mode Size Adjustment Position 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 Figures Convergence AdjustmentL6650BLS Block DiagramsSystem Control Block Diagram RF/IF Signal Video Signal Audio Signal IF/Video Block DiagramL6650BLA Audio Block DiagramWF7 WF8 CRT/H.V. Block DiagramHOT CIRCUIT. be Careful Power Supply Block DiagramL6650BLP Tolerance of Capacitors are noted with the following Schematic Diagrams / Cbas and Test PointsStandard Notes 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 L6650WF Waveforms20∝sec L6650WI Wiring DiagramIC333 TV Micro Computer Pin Signal Name FunctionIC PIN Functions 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 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 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.
Top Page Image Contents