apple imac 21.5 a1418 820-3302 1
Technical Specifications
Technical Summary
This Apple D7 MLB motherboard, project code K70_MLB, is documented under drawing number 051-9509 and PCB number 820-3302. The schematic revision is 4.2.0, dated 2012-01-12. The platform is identified as K70, indicating a specific CPU platform generation. The board features a dedicated KEPLER GPU subsystem with GDDR5 frame buffer memory, Thunderbolt connectivity, and an LP8545 LCD backlight driver. Audio architecture includes a dedicated CODEC, headphone amplifier, and separate left and right speaker amplifiers. The power delivery system incorporates multiple voltage regulators for CPU core, AXG, PCH, VccSA, VDDQ, GPU core, and G3Hot standby power. The board also includes system fan control and temperature sensor support.
Technician FAQ
Q: What are the board and drawing numbers for this Apple D7 MLB?
A: The drawing number is 051-9509 and the PCB number is 820-3302.
Q: What GPU subsystem is documented in this schematic?
A: The schematic documents a KEPLER GPU with GDDR5 frame buffer memory.
Q: What backlight driver IC is used on this motherboard?
A: The LCD backlight driver is the LP8545.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Apple Inc. |
| Model | D7 MLB |
| Motherboard Manufacturer | Apple Inc. |
| Project Code | K70_MLB |
| Board Number | D7 MLB |
| Revision | 4.2.0 |
| Date | 2012-01-12 |
| CPU Platform | K70 |
| Drawing Number | 051-9509 |
| 820- Board Number | 820-3302 |
| Schematic Number | 051-9509 |
Technical Summary
This Apple D7 MLB motherboard, project code K70_MLB, is documented under drawing number 051-9509 and PCB number 820-3302. The schematic revision is 4.2.0, dated 2012-01-12. The platform is identified as K70, indicating a specific CPU platform generation. The board features a dedicated KEPLER GPU subsystem with GDDR5 frame buffer memory, Thunderbolt connectivity, and an LP8545 LCD backlight driver. Audio architecture includes a dedicated CODEC, headphone amplifier, and separate left and right speaker amplifiers. The power delivery system incorporates multiple voltage regulators for CPU core, AXG, PCH, VccSA, VDDQ, GPU core, and G3Hot standby power. The board also includes system fan control and temperature sensor support.
Technician FAQ
Q: What are the board and drawing numbers for this Apple D7 MLB?
A: The drawing number is 051-9509 and the PCB number is 820-3302.
Q: What GPU subsystem is documented in this schematic?
A: The schematic documents a KEPLER GPU with GDDR5 frame buffer memory.
Q: What backlight driver IC is used on this motherboard?
A: The LCD backlight driver is the LP8545.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
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