General Information; Pin Connector; Cautions For Adjustment And Repair - Daewoo LuComs CML-710 Service Manual

GENERAL INFORMATION

This TFT LCD monitor automatically scans all horizontal frequencies from 30KHz to 80KHz, and all vertical frequencies
from 56Hz to 77Hz(15"- 50KHz to 75KHz). This TFT LCD monitor supports IBM PC, PC/XT, PC/AT, personal System/2
(PS/2), Apple Macintosh, and compatible users crisp text and vivid color graphics display when using the following graphics
adapters : (VGA, Super VGA, VESA, XGA, SXGA and Apple Macintosh Video Card). And so, this TFT LCD monitor has a
maximum horizontal resolution of 1280 dots and a maximum vertical resolution of 1024 lines for superior clarity of display.
By accepting analog signal inputs which level is zero to 0.7 Volts. This TFT LCD monitor can display 16.7M colors
depending on the graphics adapter and software being used.
Abbreviations
ADJ
AFC
TFT-LCD
CCFL
H.SYNC
OSC
P.S.U
PWA
R.G.B
V.Sync
ADC

PIN CONNECTOR

Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

CAUTIONS FOR ADJUSTMENT AND REPAIR

• The white balance adjustment has been done by a color analyzer in factroy. The adjustment procedure, described in
the service manual is made by a visual check.
• Allow 20 minutes warm-up time for the display before checking or adjusting only electrical specification or
function.
• Reform the leadwire after any repair work.
Caution For Servicing
• In case of servicing or replacing inverter, high voltage sometimes remains in the output of the inverter. Completely
discharge high voltage before servicing or replacing inverter to prevent a shock to the serviceman.
Adjustment
Automatic Frequency Control
Thin Film Transistor Liquid Crystal Diplay
Cold Cathode Fluorescent Lamp
Horizontal Synchronization
Oscillator
Power Supply Unit
Printed Circuit Board Wiring Assembly
Red, Green, Blue
Vertical Synchronization
Analog Digital Converter
Signal
Red
Green
Blue
GND
GND
GND - Red
GND - Green
GND - Blue
+5Vdc
GND - H.Sync
GND - V.Sync
Bi-directional Data (SDA)
Horizontal Sync
Vertical Sync (VCLK)
Data Clock (SCL)
1
6
Arrangement of 15-pin D-sub connector
9
10
15