Figure 4-15 Working Principles Of The Tp Circuit; Table 4-8 Definitions Of Signals Of The Lcd Circuit - Huawei MediaPad 10 fhd Maintenance Manual

MediaPad10 FHD Maintenance Manual
Table 4-8 lists the signals of the LCD circuit.

Table 4-8 Definitions of signals of the LCD circuit

Signal Name
DSI0_DATA[3:0]_N/P
DSI0_CLK_N/P
GPIO171_LED_EN
LCD_SCL/SDA
PWM_OUT0
LCD_VDDIO
LCD_AVDD
LED_VCCS
Working Principles of the TP Circuit
l
Figure 4-15 shows the working principles of the TP circuit.

Figure 4-15 Working principles of the TP circuit

2012-10-09
Working principles
Huawei Confidential
Function
MIPI data
MIPI differential clock
Backlight LED enabling
IIC control signal of the LCD
Signal used by the AP to control the
backlight LED of the LCD
I/O power of the LCD
Analog voltage of the LCD
Power supply of the backlight LED
INTERNAL
Test Reference Value
or Oscillogram
3.2–4.2 V
Page 57 of 78