When dealing with mobile phone planned diagrams, you will see a combination of short codes and summaries representing components, signals, and functions on the board. Understanding these conditions is important for mobile technicians, specifically when working with Borneo Schematics or a similar service manual. Whether you are a beginner or an experienced technician, having an easy list of small codes and their whole form can speed up troubleshooting and repair.
What is Borneo Schematics?
A Borneo schematic mobile phone is a special diagram tool designed for mobile phone circuit boards, which technicians mainly use to diagnose and repair hardware defects. Borneo schemes provide a wide and organised presentation of smartphones and tablets’ electrical pathways and components. They are quite popular and widely adopted due to their real, complete model coverage in the mobile repair industry, and they clearly display information, making mistakes more comfortable.
What Are Schematic Diagram Short Codes?
Schematic diagrams’ short codes are basically a set of standardized abbreviations and symbols that help us, as mobile technicians, quickly identify parts and signals on a phone’s motherboard. When looking at a phone PCB, there are hundreds of tiny components—resistors, capacitors, ICs, fuses, coils—and they’re all packed together under a microscope. Finding “the one faulty part” without a guide is like searching for a needle in a city-sized haystack. That’s where schematic diagrams come in; these short codes are the map legend.
Why We Need Schematic Diagrams
For an individual working on repairing a mobile device at the component level, schematic diagrams are invaluable. These diagrams function as a map of the phone’s circuitry, allowing you to visualise how each component is interconnected and how signals are moving through the device. Below are some of the reasons why schematic diagrams can be beneficial:
Locate components: Diagrams assist in locating every component on the circuit board and in identifying its function.
Super fast troubleshooting – Following the schematic a technician can track the fault quickly and accurately, minimizing second guesses.
Learning and training – Diagrams can be used as a learning tool for a new repair technician as well as for advancing learning during training for experienced technician.
Gain more accuracy – Having a reference to avoid damaging a device while troubleshooting the fault by avoiding errors.
Without a schematic, hardware repair is very difficult, as it becomes more of a guess-and-check, which takes a long time and can be dangerous.
A to C Short Coding:
AC, ACDET, ACDRV, ACEFT, ACN, ACOC, ACOK, ACOV, ACP, AC IN, ADC, ADP_ID, AGND, AF, AMOLED, ANT, BB, BJT, BSI, BT, CABC, CAM, C, CHR_LOD, CLK, CMOS, COMP, CPU, CSI, CTRL
Full Forms:
AC – Alternative Current
ACDET – Adapter Charger Detection
ACDRV – AC Drive
ACEFT – Adapter Charger EFT
ACN – AC Negative
ACOC – Adapter Charger Over Current
ACOK – Adapter Charger OK
ACOV – Adapter Charger Over Voltage
ACP – AC Positive
AC IN – Adapter Charger Input
ADC – Analog To Digital Converter
ADP_ID – Adapter Identification
AGND – Analog Ground
AF – Audio Frequency
AMOLED – Active Matrix Organic Light Emitting Diode
ANT – Antenna
BB – Baseband
BJT – Bipolar Junction Transistor
BSI – Battery Status Indicator
BT – Bluetooth
CABC – Content Adaptive Backlight Control
CAM – Camera
C – Capacitor
CHR_LOD – Charging Linear Power Supply
CLK – Clock
CMOS – Complementary Metal Oxide Semiconductor
COMP – Complement
CPU – Central Processing Unit
CSI – Camera Serial Interface
CTRL – Control
D – TO – R Short Coding:
DAC, DC, D, DDR, DIP, DLNA, DM, DP, DSI, EMI, EMMC, EN, ESD, FET, GND, GPS, GPU, HS, I/O, IC, IF, INT, ISENSE, LB, LCD, L, R, RST, RTC, RX
Full Forms:
DAC – Digital To Analog Converter
DC – Direct Current
D – Diode
DDR – Double Data Rate
DIP – Dual Inline Package
DLNA – Digital Living Network Alliance
DM – Data
DP – Data +
DSI – Display Serial Interface
EMI – Electromagnetic Interface
EMMC – Embedded Multimedia Card
EN – Enable
ESD – Electrostatic Discharge
FET – Field Effect Transistor
GND – Ground
GPS – Global Position System
GPU – Graphics Processing Unit
HS – Ear Speaker
I/O – Input/Output
IC – Integrated Circuit
IF – Intermediate Frequency
INT – Interrupt
ISENSE – Charging Current Detection Input
LB – Ferrite Bead Coil
LCD – Liquid Crystal Display
L – Coil/Inductor
R – Resistor
RST – Reset
RTC – Real Time Clock
RX – Receive
S – TO – Z Short Coding:
SAW, SCL, SDA, SDIO, SDRAM, SIM, SMD, SMPS, SOT, SPD, SPK, SRAM, TCXO, TP, TX, UFS, UJT, USB, VBAT, VBUS, VCDT, VCHG, VCORE, VIBR, VPA, VPH, VPROC, VREGL, VREG, VREGS, VRF, WTR, WIFI, WLAN, ZD
Full Forms:
SAW – Surface Acoustic Wave
SCL – Serial Clock
SDA – Serial Data
SDIO – Serial Data Input/Output
SDRAM – Synchronous Dynamic Random Access Memory
SIM – Subscriber Identity Module
SMD – Surface Mount Devices
SMPS – Switch Mode Power Supply
SOT – Small Outline Transistor
SPD – Spectrum
SPK – Speaker
SRAM – Static Random Access Memory
TCXO – Temperature Compensated Oscillator
TP – Test Point
TX – Transmit
UFS – Universal Flash Storage
UJT – Unipolar Junction Transistor
USB – Universal Serial Bus
VBAT – Volt Of Battery
VBUS – Charging Power Input
VCDT – Charging Detect Volt
VCHG – Charging Volt
VCORE – Chip Digital Core Voltage
VIBR – Vibrator
VPA – Volt Power Amplifier
VPH – Volt Phone Power
VPROC – Processor Voltage
VREGL – Linear Regulator Voltage
VREG – Regulator Voltage
VREGS – Switching Regulator Voltage
VRF – Radio Frequency Voltage
WTR – Wireless Technology Research
WIFI – Wireless Fidelity
WLAN – Wireless Local Area Network
ZD – Zener Diode
