Display & Lcd Fpc Interface - LG U8138 Service Manual

3.2.6 Display & LCD FPC Interface
LCD module include device in table 3-2
Device
Main LCD
Sub LCD
Main LCD Backlight
Sub LCD Backlight
LCD module is connected to key board with 40-pin BtoB connector and Speaker, Receiver, Vibrator,
Camera Flash and Indicator LED is connected by soldering the lead to 12 pads in LCD module.
The Main LCD and Sub LCD are controlled by 8-bit PDI(Parallel Data Interface) in Marita.
PIN SYMBOL
1 EARP
2 EARM
3 SPKP
4 SPKM
1 MOTOR_BATT
2 MOTOR_GND
1 VOUT_F1
2 VSIG_F2
3 F3
Table. Interface between LCD module and Speaker, Receiver, Vibrator, Flash
Type
176xRGBx220 65K Color TFT LCD
128xRGBx160 65K Color TFT LCD
White LED
White LED
Table. Devices in LCD Module
FUNCTION
SPK TERMINAL
Ear Piece Plus
Ear Piece Minus
Loud Speaker Plus
Loud Speaker Minus
MOTOR TERMINAL
MOTOR Power
MOTOR Ground
CAMERA FLASH TERMINAL
FLASH Power
FLASH Signal
Dummy Ground
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3. TECHNICAL BRIEF
I/O REMARKS
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