REPAIRING AND NOT THROWING AWAY

REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

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All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Thursday, 12 March 2020

REPAIR / SERVICING TV SHARP LC-26LE430RU

Technical description and composition of the TV SHARP LC-26LE430RU, type of panel and applicable modules. The composition of the modules.
SHARP LED
Model: LC-26LE430RU
Chassis / Version: 715G4504
Panel: T260XW06 V.4
T-CON: T260XW06 V3 CTRL BD; MAX16814B
LED driver (backlight): integrated into PSU
Power Supply (PSU): 715G4623 -P1A-W20-003E
PWM Power: LD7750RGR (7pin)
MOSFET Power: P1070ATF
MainBoard: 715G4504-M2A-000-005X
IC MainBoard: CPU: MT5366CAOU, EEPROM: CSI24C128, Nand: HY27US08561A, HDMI: TMDS251, DVB: MT5135
Tuner: TDTK-G731D
Technical Specifications LC-26LE430
SHARP LC-26LE430RU
General repair guidelines for TV LCD LED

 Service Manual with Schematic Diagram 205 pages 2010  model LC-19LE430E, LC-22LE430E, LC-26LE430, LC-32LE430E.

Main features of the SHARP LC-26LE430RU device:
Installed matrix (LED-panel) T260XW06 V.4.
The matrix control uses the Timing Controller (T-CON) T260XW06.
To power the backlight LEDs, a converter is used, combined with a power supply.
The necessary supply voltages for all nodes of the SHARP LC-26LE430RU TV are generated by the 715G4623 power supply module or its analogs using LD7750RGR microcircuits (7pin) and power switches of the P1070ATF type.
MainBoard - the main board (motherboard) is a 715G4504-M2A-000-005X module using CPU chips: MT5366CAOU, EEPROM: CSI24C128, Nand: HY27US08561A, HDMI: TMDS251, DVB: MT5135 and others.
The TDTK-G731D tuner provides TV reception and channel tuning.
Additional technical information about the panel:
Brand: AUO
Model: T260XW06 V4
Type: a-Si TFT-LCD, Panel
Diagonal size: 26.0 inch
Resolution: 1366x768, WXGA
Display Mode: AMVA, Normally Black, Transmissive
Active Area: 575.769x323.712 mm
Surface: Antiglare (Haze 2%), Hard coating (3H)
Brightness: 350 cd / m²
Contrast Ratio: 3000: 1
Display Colors: 16.7M (8-bit), CIE1931 68%
Response Time: 6.5 (G to G)
Frequency: 60Hz
Lamp Type: WLED Embedded (LED Driver)
Signal Interface: LVDS (1 ch, 8-bit), 30 pins
Voltage: 12.0V


LED TV SHARP LC-26LE430 with LCD T260XW06, diagonal size 26 "(66 cm) in 16: 9 format. The brightness of the screen is 350 cd / m² with LED backlighting. This model uses backlight with end-mounted LEDs (relative to the screen) - Edge LED.
You can view images in high quality HD at a resolution of 1366x768 pixels in the standard of graphic decomposition 720p (HD Ready). The input high-frequency or video signal can be processed in analogue systems PAL, SECAM, NTSC. Graphic processing and digital signal generation takes place in the standards 480i, 480p, 576i, 576p, 720p.
Supported media file formats: MP3, DivX, JPEG.
The power of the sound system 10 W (2x5 W) provide two speakers. It uses a NICAM stereo signal processing system and Sound Surround.
The external interface (communication with other devices) is supported by standard input and output connectors: antenna input (RF), AV, component, SCART, VGA, HDMI x2, USB, RS-232. An output for connecting headphones is provided. To connect a computer or laptop to this TV model, a VGA (D-Sub 15) connector is used on the TV case, this interface supports resolutions: 640x480, 800x600, 1024x768.
A digital tuner is capable of receiving television channels in the DVB-T MPEG4, DVB-C standards.
The power consumed by the TV from the network in operating mode is 41 watts.
Overall dimensions: with stand 649x454x201 mm, without stand 649x418x39 mm.
The mass of the TV: 7.3 kg.
Attention! The T260XW06 V.4 panel of the SHARP LC-26LE430 LED TV is an expensive and unreliable element.
Avoid any impact on the glass and pressure on the surface of the screen to avoid damage to the LED panel!
It is also unsafe to get liquid on the screen. Sometimes one drop is enough if it flows down the glass onto the cables so that the TV becomes unrepairable.
Posted By: FRANK at 08:56
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