Schematic apple a1342 mlb ldo k87 051-8561 820-2877 schematic

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apple a1342 mlb_ldo k87 051-8561 820-2877 schematic

apple=1=k86-mlb 051-8407_reva00.pdf
apple=1=k87 mlb_ldo scratcho 051-8561 rev c.pdf
apple=1=schem mlb_ldo k87 04262010 051-8561 rc.0.0.pdf




Technical Specifications

ParameterValue
BrandApple Inc.
Motherboard ManufacturerApple Inc.
Project CodeK86
Board NumberK87_MLB
RevisionA
Date2/25/2010
CPU PlatformMCP89
Drawing Number051-8407
820- Board Number820-2807
051- Drawing Number051-8407
PCB Number820-2807
Schematic Number051-8407

Technical Summary

This Apple Inc. motherboard, project code K86, is identified by board number K87_MLB and drawing number 051-8407, revision A, dated 2/25/2010. The PCB is referenced as 820-2807. The platform is built around the MCP89 chipset, integrating graphics, memory, and I/O controllers. The schematic document covers the complete system architecture including CPU, MCP, DDR3 SO-DIMM memory, Ethernet PHY (RTL8211CL), audio codec, SPI ROM, SMC, and power regulation subsystems. The board includes support for DisplayPort, LVDS, SATA, USB, and wireless connectivity.

Technician FAQ

Q: What is the board number and drawing number for this Apple motherboard?

A: The board number is K87_MLB, the PCB number is 820-2807, and the drawing number is 051-8407 revision A.

Q: What chipset platform does this motherboard use?

A: This motherboard uses the NVIDIA MCP89 chipset platform.

Q: What is the project code and date of this schematic?

A: The project code is K86, and the schematic release date is 2/25/2010.

Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.




Technical Specifications

ParameterValue
BrandApple Inc.
Motherboard ManufacturerApple Inc.
Board Number820-2877
Drawing Number051-8561-C.0.01
Date2010-04-26
CPU PlatformK87
MLB IdentifierK87
Schematic Number051-8561
PCB Number820-2877

Technical Summary

This Apple Inc. motherboard schematic, designated MLB_LDO_K87, is identified by board number 820-2877 and drawing number 051-8561-C.0.01, with a production release date of 2010-04-26. The platform is based on the K87 CPU architecture, utilizing an MCP89 chipset for graphics and memory interface support. The system incorporates DDR3 SO-DIMM memory connectors, an IMVP6 CPU VCore regulator, and a Realtek RTL8211CL Ethernet PHY. Power management includes a PBus supply and battery charger section, along with various voltage regulation stages for CPU VTT, MCP VCore, and DDR3 supply. The schematic also details SPI ROM, SMC support, and debug connectivity through LPC+SPI and MiniXDP ports.

Technician FAQ

Q: What is the board number and drawing number for this Apple motherboard?

A: The board number is 820-2877 and the drawing number is 051-8561-C.0.01.

Q: What CPU platform and chipset does this schematic support?

A: The schematic is based on the K87 CPU platform with an MCP89 chipset.

Q: What type of memory architecture is used?

A: The system uses DDR3 SO-DIMM memory connectors.

Q: What Ethernet PHY is specified in this schematic?

A: The Ethernet PHY is a Realtek RTL8211CL.

Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.




Technical Specifications

ParameterValue
BrandApple Inc.
Motherboard ManufacturerApple Inc.
Board Number820-2877
Drawing Number051-8561
RevisionC.0.01
Date2010-04-26
CPU PlatformK87
MLB IdentifierK87
820- Board Number820-2877
051- Drawing Number051-8561
PCB Number820-2877
Schematic Number051-8561
Document Number051-8561

Technical Summary

This Apple Inc. motherboard, designated MLB_LDO K87, is built around the K87 CPU platform. The board carries the PCB number 820-2877 and the schematic drawing number 051-8561, revision C.0.01, with a production release date of 2010-04-26. The schematic document includes detailed pages for the MCP89 memory rail gating, IMVP6 CPU VCore regulator, DDR3 SO-DIMM connectors, Ethernet PHY (RTL8211CL), and SPI ROM. The system block diagram and power block diagram provide the architectural foundation for this platform.

Technician FAQ

Q: What is the board number and schematic number for this Apple motherboard?

A: The PCB board number is 820-2877, and the schematic drawing number is 051-8561.

Q: What is the CPU platform used on this motherboard?

A: The CPU platform is K87.

Q: What is the revision and release date of this schematic?

A: The schematic revision is C.0.01, and the production release date is 2010-04-26.

Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
 

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