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Lenovo Thinkpad L14 HL4A0-HL5A0 NM-D271 Schematic
Technical Specifications
Technical Summary
The LC Future Center HL4A0/HL5A0 NM-D271 motherboard, revision 1.0 dated October 8, 2020, is built around the HL4A0/HL5A0 CPU platform. The system memory architecture consists of DDR4 organized into Sub Channel-A and Sub Channel-B. Discrete graphics is handled by an N18S-G5 GPU. The embedded controller is an NPCE68APA0DX, and the audio codec is an ALC3287. Power management is handled by a BQ25700A battery charger and multiple DC/DC converters including LV6228C, SYX198B, SY8310RAC, RT8068A, RT3613EE, RT9610CGQ, RT6543, NCP81278, MP2941, and BD9B304. The board features an HDMI Re-Timer (PS8409A), a GBE Jacksonville LAN controller, a Media Card Controller, and a USB TYPE-C RE-DRIVER.
Technician FAQ
Q: What EC/KBC is used on this motherboard?
A: The EC/KBC is an NPCE68APA0DX.
Q: What audio codec is used on this motherboard?
A: The audio codec is an ALC3287.
Q: What charging IC is used on this motherboard?
A: The charging IC is a BQ25700A.
Q: What type of RAM does this motherboard support?
A: This motherboard supports DDR4 RAM.
Q: What GPU is used on this motherboard?
A: The discrete GPU is an N18S-G5.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
Technical Summary
The LC Future Center NS-D271 motherboard, project code GL4A0XXXX, is documented under revision 0.1 dated 2019-06-25. The PCB name is GL4A0XXXX, and the board number is HL4A0 MB. The audio subsystem is built around the ALC3287 audio codec. The board integrates USB 3.0 and USB 2.0 ports, an Audio Combo Jack, and speaker output with OC signal monitoring. The schematic also references a Power board, MIC Sub board, and an Audio board B to B 60Pin connector.
Technician FAQ
Q: What audio codec is used on the NS-D271 motherboard?
A: The audio codec is ALC3287.
Q: What is the board number for the NS-D271 motherboard?
A: The board number is HL4A0 MB.
Q: What is the project code for this motherboard?
A: The project code is GL4A0XXXX.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
Technical Summary
This LC Future Center NS-D273 USB & Audio Board, revision 0.1, dated 2019-06-20, is a sub-board designed for the GL5A0XXXX PCB. The schematic identifies the board as part of the LC Future Center platform, featuring an ALC3287 audio codec. The block diagram indicates integration with a main power board, MIC sub board, and includes USB 3.0 and USB 2.0 ports, an Audio Combo Jack, and speaker connections with OC signal monitoring. The document is classified as LC Future Center Secret Data.
Technician FAQ
Q: What audio codec is used on this board?
A: The board uses the ALC3287 audio codec.
Q: What is the board number and revision?
A: The board number is GL5A0XXXX, revision 0.1, dated 2019-06-20.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
Technical Summary
This LC Future Center NS-D273 USB & Audio Board, revision 0.1, dated 2019-06-20, is a sub-board designed for the GL5A0XXXX PCB. The schematic identifies the board as part of the GL5A MBPower board and MIC Sub board system. The primary audio codec utilized is the ALC3287. The board integrates a USB 3.0 port, a USB 2.0 port, an Audio Combo Jack, and a speaker connector with SPK and OC signal lines. The block diagram also indicates a 60-pin board-to-board connector for audio board interconnection. The document is classified as LC Future Center Secret Data.
Technician FAQ
Q: What is the board number and revision for this schematic?
A: The board number is GL5A0XXXX and the revision is 0.1.
Q: What audio codec is used on this board?
A: The audio codec is the ALC3287.
Q: What is the document number for this schematic?
A: The document number is NS-D273.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LC Future Center |
| Model | HL4A0/HL5A0 NM-D271 |
| Motherboard Manufacturer | LC Future Center |
| Board Number | NM-D271 |
| Revision | 1.0 |
| Date | October.8.2020 |
| Document Number | NM-D271 |
| CPU Platform | HL4A0/HL5A0 |
| EC / KBC | NPCE68APA0DX |
| Audio Codec | ALC3287 |
| Charging IC | BQ25700A |
| Charger Architecture | Battery Charger |
| RAM Type | DDR4 |
| RAM Architecture | Sub Channel-A, Sub Channel-B |
| GPU Type | N18S-G5 |
| Graphics Architecture | N18S-G5 |
| dGPU Chip Number | N18S-G5 |
| Card Reader IC | Media Card Controller |
| LAN IC | GBE Jacksonville |
| WiFi / WLAN IC | WLAN |
| HDMI Level Shifter | HDMI Re-Timer (PS8409A) |
| USB Hub IC | USB TYPE-C RE-DRIVER |
| Thermal Sensor | Thermal Sensor |
| Power IC(s) | LV6228C, SYX198B, SY8310RAC, RT8068A, RT3613EE, RT9610CGQ, RT6543, NCP81278, MP2941, BD9B304 |
Technical Summary
The LC Future Center HL4A0/HL5A0 NM-D271 motherboard, revision 1.0 dated October 8, 2020, is built around the HL4A0/HL5A0 CPU platform. The system memory architecture consists of DDR4 organized into Sub Channel-A and Sub Channel-B. Discrete graphics is handled by an N18S-G5 GPU. The embedded controller is an NPCE68APA0DX, and the audio codec is an ALC3287. Power management is handled by a BQ25700A battery charger and multiple DC/DC converters including LV6228C, SYX198B, SY8310RAC, RT8068A, RT3613EE, RT9610CGQ, RT6543, NCP81278, MP2941, and BD9B304. The board features an HDMI Re-Timer (PS8409A), a GBE Jacksonville LAN controller, a Media Card Controller, and a USB TYPE-C RE-DRIVER.
Technician FAQ
Q: What EC/KBC is used on this motherboard?
A: The EC/KBC is an NPCE68APA0DX.
Q: What audio codec is used on this motherboard?
A: The audio codec is an ALC3287.
Q: What charging IC is used on this motherboard?
A: The charging IC is a BQ25700A.
Q: What type of RAM does this motherboard support?
A: This motherboard supports DDR4 RAM.
Q: What GPU is used on this motherboard?
A: The discrete GPU is an N18S-G5.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LC Future Center |
| Model | NS-D271 |
| Motherboard Manufacturer | LC Future Center |
| Project Code | GL4A0XXXX |
| Board Number | HL4A0 MB |
| Revision | 0.1 |
| Date | 2019-06-25 |
| PCB Name | GL4A0XXXX |
| Document Number | NS-D271 |
| Audio Codec | ALC3287 |
Technical Summary
The LC Future Center NS-D271 motherboard, project code GL4A0XXXX, is documented under revision 0.1 dated 2019-06-25. The PCB name is GL4A0XXXX, and the board number is HL4A0 MB. The audio subsystem is built around the ALC3287 audio codec. The board integrates USB 3.0 and USB 2.0 ports, an Audio Combo Jack, and speaker output with OC signal monitoring. The schematic also references a Power board, MIC Sub board, and an Audio board B to B 60Pin connector.
Technician FAQ
Q: What audio codec is used on the NS-D271 motherboard?
A: The audio codec is ALC3287.
Q: What is the board number for the NS-D271 motherboard?
A: The board number is HL4A0 MB.
Q: What is the project code for this motherboard?
A: The project code is GL4A0XXXX.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LC Future Center |
| Model | NS-D273 |
| Motherboard Manufacturer | LC Future Center |
| Board Number | GL5A0XXXX |
| Revision | 0.1 |
| Date | 2019-06-20 |
| PCB Name | GL5A0XXXX |
| Document Number | NS-D273 |
| Audio Codec | ALC3287 |
Technical Summary
This LC Future Center NS-D273 USB & Audio Board, revision 0.1, dated 2019-06-20, is a sub-board designed for the GL5A0XXXX PCB. The schematic identifies the board as part of the LC Future Center platform, featuring an ALC3287 audio codec. The block diagram indicates integration with a main power board, MIC sub board, and includes USB 3.0 and USB 2.0 ports, an Audio Combo Jack, and speaker connections with OC signal monitoring. The document is classified as LC Future Center Secret Data.
Technician FAQ
Q: What audio codec is used on this board?
A: The board uses the ALC3287 audio codec.
Q: What is the board number and revision?
A: The board number is GL5A0XXXX, revision 0.1, dated 2019-06-20.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LC Future Center |
| Model | NS-D273 |
| Motherboard Manufacturer | LC Future Center |
| Board Number | GL5A0XXXX |
| Revision | 0.1 |
| Date | 2019-06-20 |
| PCB Name | GL5A0XXXX |
| Document Number | NS-D273 |
| Audio Codec | ALC3287 |
Technical Summary
This LC Future Center NS-D273 USB & Audio Board, revision 0.1, dated 2019-06-20, is a sub-board designed for the GL5A0XXXX PCB. The schematic identifies the board as part of the GL5A MBPower board and MIC Sub board system. The primary audio codec utilized is the ALC3287. The board integrates a USB 3.0 port, a USB 2.0 port, an Audio Combo Jack, and a speaker connector with SPK and OC signal lines. The block diagram also indicates a 60-pin board-to-board connector for audio board interconnection. The document is classified as LC Future Center Secret Data.
Technician FAQ
Q: What is the board number and revision for this schematic?
A: The board number is GL5A0XXXX and the revision is 0.1.
Q: What audio codec is used on this board?
A: The audio codec is the ALC3287.
Q: What is the document number for this schematic?
A: The document number is NS-D273.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
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