MSM6245 Codec pins, Audio part schematics

3. TECHNICAL BRIEF

MSM6245 CODEC pins

				RCV- RCV+
36
R202		HPH R
220n	220n		HPH L	C200
220n	220n		HPH L	C201
				C201
C202	C203
				MICBIAS
	LINE N	LINE P

AC18		AC17		AA17	W17	AE18	AF18	T15	AA18	AA19	AC22

47p

C204

10p

AC21

AC19

AC20

AF19

AUDIO

Near to MSM

MIC2N

MIC2P

MIC1N

MIC1P


	22n	22n
	22n	22n
AE19	C210	C211		AE20	AA20
	C210	C211
	AF21	AF22	AF20
	AF21	AF22	AF20

C212

0.1u

10%

Place near

MSM pin W18

(CODEC VSS)

LINE_ON LINE_OP HPH_R HPH_L EAR1ON EAR1OP MICBIAS AUXOUT HPH_VREF LINE_L_IP LINE_L_IN

LINE_R_IP

LINE_R_IN

AUXIN	AUXIP	MIC2N	MIC2P	MIC1N	MIC1P	CCOMP	F25
							F25

SDCC_DAT1_GPIO99 M25 SDCC_DAT2_GPIO100 M26

Figure 1.25 Audio part schematics

VREG_MSMP_2.7V



	C400
	C400
		0.1u


	5
	5			4	VIN-
	1			4
HOOK_KEY	1			VCC
HOOK_KEY			OUT	GND 3	VIN+
	2

U400

NCS2200SQ2T2G

	R401
	5.1K
R402
1M	10K
	R404
100K	MIC2N
R405	MIC2P
R405	HPH_L

HPH_R

USB_D+

USB_D-

EAR_SENSE_N

2.2K	I/O CONNECTOR
R400	MICBIAS
R400

R403
VREG_MSMP_2.7V					CN401
51K					HSEJ-18S04-25R
					21
					191
					2
	C401	33u	R406	100ohm	3
	C401	33u	R406	100ohm	4
C402	33u	R407	100ohm		5
					6
					7
					8
					9

Figure 1.26 Audio part schematics

- 64 -

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.

LG Electronics U250 service manual MSM6245 Codec pins, Audio part schematics

Models: U250