LG Electronics U250 service manual Case of DCS a 1710, B Case of PCS a 1850, B

Models: U250

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2. PERFORMANCE

No

Item

GSM

 

DCS & PCS

 

 

 

 

 

 

 

 

 

 

 

 

30M ~ 1GHz

-36dBm

30M~1GHz

 

-36dBm

 

 

 

 

 

 

 

 

MS allocated

1G~[A]MHz

 

-30dBm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Channel

1G ~ 4GHz

-30dBm

[A]M~[B]MHz

 

-36dBm

 

 

 

 

 

 

 

Radiated

 

[B]M~4GHz

 

-30dBm

 

 

 

 

 

 

 

 

 

 

 

 

 

2

Spurious

 

30M ~ 880MHz

-57dBm

30M~880MHz

 

-57dBm

 

 

 

 

 

 

 

 

 

Emission

 

880M ~ 915MHz

-59dBm

880M~915MHz

 

-59dBm

 

 

 

 

 

 

 

 

 

 

Idle Mode

915M~1GHz

-57dBm

915M~1GHz

 

-57dBm

 

 

 

 

 

 

 

 

 

1G~[A]MHz

-47dBm

1G~[A]MHz

 

-47dBm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[A]M~[B]MHz

-53dBm

[A]M~[B]MHz

 

-53dBm

 

 

 

 

 

 

 

 

 

 

 

[B]M~4GHz

-47dBm

[B]M~4GHz

 

-47dBm

 

 

 

 

 

 

 

 

3

Frequency Error

±0.1ppm

 

±0.1ppm

 

 

 

 

 

 

 

 

 

4

Phase Error

±5(RMS)

 

±5(RMS)

 

 

 

 

 

 

±20(PEAK)

 

±20(PEAK)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3dB below reference sensitivity

3dB below reference sensitivity

 

 

 

 

 

 

 

 

 

Frequency Error

RA250 : ±200Hz

 

RA250: ±250Hz

 

 

 

 

 

 

 

 

 

5

Under Multipath and

HT100 : ±100Hz

 

HT100: ±250Hz

 

 

 

 

 

 

 

 

 

 

Interference Condition

TU50 : ±100Hz

 

TU50: ±150Hz

 

 

 

 

 

 

 

 

 

 

 

 

TU3 : ±150Hz

 

TU1.5: ±200Hz

 

 

 

 

 

 

 

 

 

 

 

 

0 ~ 100kHz

+0.5dB

0 ~ 100kHz

 

+0.5dB

 

 

 

 

 

 

 

 

 

 

 

200kHz

-30dB

200kHz

 

-30dB

 

 

 

 

 

 

 

 

 

 

 

250kHz

-33dB

250kHz

 

-33dB

 

 

 

 

 

 

 

 

 

 

Due to

400kHz

-60dB

400kHz

 

-60dB

 

 

 

 

 

 

 

 

 

Output RF

modulation

600 ~ 1800kHz

-66dB

600 ~ 1800kHz

 

-60dB

 

 

 

 

 

 

 

6

1800 ~ 3000kHz

-69dB

1800 ~ 6000kHz

 

-65dB

Spectrum

 

 

 

 

 

 

 

 

 

 

3000 ~ 6000kHz

-71dB

≥6000kHz

 

-73dB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

≥6000kHz

-77dB

 

 

 

 

 

 

 

 

 

 

 

 

 

Due to

400kHz

-19dB

400kHz

 

-22dB

 

 

 

 

 

 

 

 

 

600kHz

-21dB

600kHz

 

-24dB

 

 

Switching

 

 

 

 

 

 

 

 

 

 

1200kHz

-21dB

1200kHz

 

-24dB

 

 

transient

 

 

 

 

 

 

 

 

 

 

1800kHz

-24dB

1800kHz

 

-27dB

 

 

 

 

 

 

 

 

 

 

 

 

* In case of DCS : [A] -> 1710, [B] -> 1785

* In case of PCS : [A] -> 1850, [B] -> 1910

 

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LG Electronics U250 service manual Case of DCS a 1710, B Case of PCS a 1850, B

U250 specifications

The LG Electronics U250 is a distinguished device known for its cutting-edge features and innovative technologies within the mobile phone sector. Launched as part of LG's effort to cater to a growing demand for functional yet stylish smartphones, the U250 boasts an array of characteristics that appeal to a savvy clientele.

One of the primary features of the U250 is its impressive display. Sporting a vibrant screen that offers excellent color reproduction and clarity, it enhances the user experience for gaming and multimedia consumption. The responsive touchscreen interface allows for seamless navigation, making it user-friendly for all age groups.

The U250 is powered by a robust processor that ensures smooth performance, whether multitasking between applications or running demanding games. With ample RAM, it minimizes lag and enhances the overall operating experience, allowing users to switch effortlessly between tasks.

Photography enthusiasts will appreciate the U250's advanced camera system. It is equipped with a high-resolution primary camera that captures stunning images in various lighting conditions. The inclusion of features like autofocus and image stabilization significantly elevates the quality of photos and videos. Additionally, the front-facing camera is designed for high-quality selfies and video calls, ensuring that users can always stay connected.

The device supports a range of connectivity options, including 4G LTE, Bluetooth, and Wi-Fi, ensuring users can remain connected to the world around them. The integration of NFC technology also enables quick and convenient transactions, particularly useful in a cashless society.

Battery life is another standout characteristic of the U250. With a durable battery, it offers extended usage time, allowing users to go through their day without the constant worry of recharging. Coupled with fast-charging capabilities, it reduces downtime significantly.

The LG U250 runs on an intuitive operating system that provides easy access to a plethora of apps on the platform. Customization options are abundant, allowing users to tailor their device's appearance and functionality to suit their preferences.

In conclusion, the LG Electronics U250 combines striking design with versatile functionality, making it a formidable entry in the smartphone market. With its impressive display, powerful performance, advanced camera features, and strong battery life, the U250 is poised to meet the needs of modern users seeking both style and substance in a mobile device. Whether for work or leisure, this smartphone is designed to enhance everyday life.