Manuals / AOC / Car Audio and Video / Car Video System

AOC P/N : 41A50-144 service manual Check Oscillator Block as above

Models: P/N : 41A50-144

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II(a) THE SCREEN is Abnormal , stuck at white screen, OSD window can’t appear, but keyboard & LED was normal operation.

At general, this symtom is cause by missing panel data or panel power, so we must check our wire-harness which connected to panel or the panel power controller (U202)

Check if the Wire harness from CN601 & CN602 loose? Check the wire on both Panel-side and Mainboard side.

NG

Tighten it.

Yes, tight enough

Check the Panel-Powercircuit as above (page 15) U202 pin 5,6,7,8 ,must be 5V

Yes, Voltage normal

Check the LVDS-PowerL603,L604,L601,L602,L900= 3.3V ?

Yes, Voltage normal

Check the both U601 & U602 LVDS-Inputpin 31= 45mhz – 65mhz, and pin 27 = Vsyn freq, pin 28 = 45khz- 65 khz

Yes, Frequency normal

Replace both LVDS chip ( U601 & U602)

NG

Check U904,which convert the 5V to 3.3V

Check U200 DATA-OUPUT block as above ( page 15)

NG,no data output

Check OSCILLATOR Block as above ( page 15)

OK,all clock is normal

Replace U302 MCU and check it RESET pin 10 ,must be turn high to low when first AC power-on

OK, reset is normal

Check U200 DATA-OUTPUTblock again

NG,still no data out

Replace U200 GMZAN1

II.(b)The screen had the Vertical Straight Line, might be stuck in Red, Green, Blue That symptom is cause by bad Panel issue ( might be the Source IC from Panel is cold solder or

open loop ) so REPLACE THE PANEL TO NEW ONE.

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AOC P/N : 41A50-144 service manual Check Oscillator Block as above
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P/N : 41A50-144 specifications

The AOC P/N: 41A50-144 is a versatile and high-performing monitor that caters to both professional and casual users. With its sleek design and array of features, this model embodies the epitome of modern display technology.

One of the standout characteristics of the AOC 41A50-144 is its impressive display resolution. Equipped with a 1920 x 1080 pixels Full HD panel, it delivers sharp, vibrant images and ensures that text and graphics appear crisp and clear. The monitor boasts a wide viewing angle that allows for consistent color reproduction, making it perfect for collaborative workspaces or multi-screen setups.

In terms of refresh rates, the AOC 41A50-144 supports a 144Hz refresh rate, catering exceptionally well to gamers and media consumers who seek responsive performance. This high refresh rate reduces motion blur, providing a smoother experience during fast-paced gaming sessions or action-packed videos. Coupled with a 1ms response time, this monitor minimizes ghosting and lag, delivering a seamless visual experience.

The monitor utilizes advanced technologies to enhance the viewing experience further. One notable feature is AMD FreeSync support, which synchronizes the monitor's refresh rate with the GPU's frame rate, effectively eliminating screen tearing and stuttering during gameplay. This leads to a more immersive experience and ultimately gives gamers a competitive edge.

Another critical aspect of the AOC 41A50-144 is its connectivity options. It comes with multiple ports including HDMI, DisplayPort, and VGA, making it compatible with a wide range of devices. This versatility ensures that users can easily connect their computers, gaming consoles, or multimedia players without any hassle.

The AOC 41A50-144 also places importance on user comfort. It incorporates features like flicker-free technology and a low blue light mode to reduce eye strain during extended use. This focus on ergonomics allows for a more enjoyable viewing experience, regardless of the tasks at hand.

Overall, the AOC P/N: 41A50-144 combines high-performance, advanced technologies, and user-centered design. Whether for gaming, professional tasks, or entertainment purposes, this monitor stands out as a reliable and efficient solution that meets the demands of various users. Its features and specifications make it a compelling choice for anyone looking to enhance their display setup.