It Is Generated Unusual Pattern Of Data Cof Ic Unit - Daewoo DP-42SM Service Manual

Trouble Shooting
* How to examine Data COF IC
* How to examine Data COF IC
4-2-3. It Generates Unusual Pattern of Data COF IC unit
(1) In case of generating unusual pattern of Data COF IC unit as below picture, there is problem
in the check that is input into Data COF IC
(2) In case of <case 1, 2, 3>
- confirm the connection of Data COF connector
- replace the relevant X B/D
(3) In case of <case 4, 5>
- confirm the connector that is connected from CTRL to X B/D
- Replace relevant XB/D or CTRL B/D
* Screen Display Form
ANODE Pattern (GND)
CATHOD Pattern and examine the Diode
to the pure or reverse direction.
Measure the third resistance value
-55-