Ericsson I 888 Trouble-Shooting Instruction page 5

Table of Contents

Advertisement

VBATT:
Voltage of the battery.
VDIG:
Voltage to processor and memories (3.2V).
VDSP:
Voltage to DSP (Digital Signal Processor) (3.2V).
VDSPC:
Voltage to DSP (Digital Signal Processor) (2.5V).
VLCD:
Negative voltage to the display that controlls the contrast (-2.7V).
VDLCD:
Feed voltage to the display.
VRAD:
Voltage to the radiopart except the synthesizer.
VRPAD:
Voltage to the radiopart in D600 (used to top indicator and buzzer).
VRTC:
Voltage to the real time clock.
VVCO:
Voltage to the syntesizer.
I2C:
Communication standard for two-way communication using only 2
wires, for clock and data.
LO:
Local oscillator.
PWM:
Puls width modulation.
4-00021-2/FEA 209 544/5.C
I888, Standard Electrical Repairs
5
(42)

Advertisement

Table of Contents
loading

Table of Contents