6 D). AUDIO-MODULE Trouble shooting chart

I.) NO VOICE OUTPUT

Plug-out the DC power , make sure the monitor is in OFF status .

Use OHM-METER measure U1 pin 2, 4 (channel-A ) is speaker well connected? Measure U1 pin 10,12 ( channel B) is speaker well connected ?

]

YES

Plug-in the DC power, set the monitor

ON status .

Check U1 pin 1 = VCC 12V

YES

Check U1 is work properly?

Check U1 pin 5 standby-bias voltage around 4 V ?

YES

Check U1 pin 9 volume-bias around 1 V ?

NG

Check J1,J2 is well connected? Measured J2 pin 4,5 & 2,3 is well connected ?

YES

Check is speaker open circuit ?

NG

Check R10,R11 & J5, S1 is open circuit?

NG

Check R4 is open circuit?

NG

Check R7 , VR1

YES

Check Audio cable and J4 is well connected

36

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AOC P/N : 41A50-144 service manual AUDIO-MODULE Trouble shooting chart, No Voice Output

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.