Schematic Abbreviations
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CODE COMPONENT
- BT : Button
- C : Capacitor
- CN : Connector
- D : Diode
- F : Fuse
- L : Inductor
- PC : Power Capacitor
- PD : Power Diode
- PL : Power Inductor
- PQ : Power Transistor
- PR : Power Resistor
- PU : Power Integrated Circuit
- Q : Transistor
- R : Resistor
- T : Transformers
- U : Integrated Circuit/Bga Chip/Embedded Controller/Bios Ic,Etc
- X : Terminal Strips, Terminations, Joins Oscillator
- Y : Crystal
Abbreviations
- AC : Alternating current
- ACDRV : AC adapter to system-switch driver output
- ACDET/ACIN : AC Adapter Voltage Detector
- ACGOOD : Valid adapter detect logic
- ACN : AC Adapter current sense amplifier inverting input
- ACP : AC Adapter current sense amplifier non-inverting input
- ACOP : Input Over-Power Protection
- ACOV : Input Overvoltage Protection
- ADP+ : Adapter Positive Supply
- ADP_ID : Adapter Identity
- AGND : Analog Ground
- ALWP : Always On Power
- B+ : AC or Battery Power Rail For Power Circuit
- BATT : Battery
- BAT+ : Battery Power Rail For Power Circuit
- BAT_DRV : Battery FET Gate Driver
- BAT_V : Battery Voltage
- BOM : Bill Of Material Management
- BT_EN : Bluetooth Enable
- BYP : Bypass
- CHGEN : Charge Enable Active-Low Logic Input
- CIN : Input Capacitor
- CLK_EN : Clock Enable
- CRT : Cathode Ray Tube
- CSIN : Input Current Sense Amplifier Inverting Input
- CSIP : Input Current Sense Amplifier Non-Inverting Input
- DC : Direct Current
- DM : DIMM Socket Memory Ddr
- DOCK : Docking Socket
- EC : Embedded Controller
- EC_ON : Embedded Controller Enable
- EMI : Electromagnetic Interference
- EN : Enable
- ENTRIP : Enable Terminal
- FSEL : Frequency Select Input
- GATE : Trigger Gate
- GND : Ground
- GP : Ground Pin
- GPI : General Power Input
- GPIO : General Purpose Input Output
- HDMI : High-Definition Multimedia Interface
- ID : Continuous Drain Current
- IDM : Pulsed Drain Current
- IIN : Operating Supply Current
- IIN(SHDN) : Shutdown Supply Current
- IIN(STBY) : Standby Supply Current
- IS : Continuous Source Current (Diode Conduction)
- IVIN : Battery Supply Current at VIN pin
- JP : Jumper Point
- KBC : Keyboard Controller
- LCDV : LCD Power
- LDO : Low-DropOut Regulator
- LGATE : Lower-side MOSFET Gate Signal
- LPC : Low Pin Count
- LVDS : Low-voltage Differential Signaling
- MBAT : Main Battery
- NB : North Bridge
- NC : Not Connected
- ODD : Optical Disc Drive
- PCI : Peripheral Component Interconnect
- PGOOD : Power Good Open-Drain Output
- PIR : Product Improved Record
- PSI# : Current Indicator Input
- PVCC : IC Power Positive Supply
- RSMRST# : Resume Reset
- RTC : Real Time Clock
- SB : South Bridge
- SHDN : Shutdown
- SYS_SDN : System Shutdown
- SPI : Serial Peripheral Interface
- TD : Death Time
- THRM : Thermal Sensor
- TMDS : Transition Minimized Differential Signaling
- TP : Test Point
- TPAD : Thermal Pad
- UVLO : Input Undervoltage Lock Out
- V : Power Rail
- V+ : Positive Voltage
- VADJ : Output Regulation Voltage
- VALW : Always On Power
- VALWP : VALW Pad
- VBAT : Battery Power
- VCCP : Chip Power
- VCORE : Processor Power Rail
- VDD : Control Power Supply
- VDDR : Power DDR (VDRAM/VRAM/VMEM)
- VDS : Voltage Drain Source
- VFB : Feedback Inputs Power
- VGS : Voltage Gate Sources
- VIN : Input Voltage Range
- VIN : Adapter Power Supply
- VL : Power Lock
- VL : Voltage Across The Load
- VL : Power Rail From Linear Regulator
- VOT : Volt Out
- VRAM : Power Memory
- VREF : Power References
- VS : Switch Power
- VS+ : Support Voltage Positive
- VSB : Standby Power Rail
- VSS : Signal Ground
- VSW : Power Switch
- VTT : Memory Termination Voltage
- VTERM : Memory Termination Voltage
- VUSB : Power USB
- VGFX/VGPU : Power Graphic Chip
Original source Badcaps