Specifications

— 45 —
■ TFT LCD Module (COM38T3103DPQ)
This module mainly consists of TFT-LCD, Back-light and DC-AC inverter for driver of Back-light.
Back-light life time: about 15000 hours (Continuous Lighting/ Room Temperature: 25 ± 5°C)
Brief Block Diagram
D00~D05: DATA for Blue signal/ D10~D15: DATA for Green signal/ D20~D25: DATA for Red signal
STHR/STHL: Start Pulse CLK: Shift clock STB: Latch for Source Driver R/L: Reverse signal for scanning of Source
OE: Power save control signal (not used) RB: Control signal for Bias current of Source Driver
S/P: Changing of serial/ parallel for DATA DOWN: Reverse signal for scanning of Gate GSRT: Start signal to Gate
GPCK: Shift clock for Gate GRES: Control signal to Gate VCOM: VCOM electrode (refer to the illustration shown below)
VA/ VB: γ power supply voltage (VA=0.57V/ VB=4.43V) (Minimum /Maximum Amplitude Value of AC Voltage to drive LCD)
POL: Reverse signal for polarity of color BLL: Low AC Voltage to drive CFL (White) BLH: High AC Voltage to CFL (Pink)
* One element unit of TFT Gate
Source
Pixel of LCD Capacitance
(Signal from source is held by this
Capacitance.)
VCOM
For the other information concerning circuit (Touch panel, RS232C Driver,
AGC and so on), refer to Service Manual for A-10/A-11, A-20, E-10 and E-15.
DC-AC BLH Back-light
Inverter *CFL is Source
BLL included Driver TFT-LCD
OUT: AC280V
FRP
VCOM
circuit
VCOM
VA, VB Gate Driver
γ voltage
circuit POL
D00~D25
STHR
STHL
CLK
STB
R/L
OE
RB
S/P Power
VGH/VGL/VSH/VDD/VSS DOWN/GSRT/GPCK/GRES