LG Flatron L2323T Service Manual page 24

NO TELETXT OUTPUT
Check Connector
*AV B'd: J601, 704(Connector &
component of signal Line)
*Sound B'd: J2, J8(Connector &
component of
signal Line)
Pass
Check Power Line
*U603 #20(5V)
*U6 #8(5V)
Pass
4. TELETXT TROBLE SHOOTING
Signal input of U601
#1, 2, 3, 79
Fail
Check R/G/B
Signal input of
U603 #5,3,1
Fail
Check TV
Signal input of
Fail
Check TV
Signal Output of
U601 #70
Fail
Check U601
- 22 -
Check
Pass
R/G/B/FB
Pass
U602 #6
Pass
U25 #12
Check
U601
Check
U602, U603
Check
U25