LG LAD-9600 Service Manual page 20

2) When Touch panel don't respond
Touch Panel don't respond.
YES
Is the change of Pulse at
CN705 pins 1, 2, 3, 4 when
press Touch Panel?
YES
Is The screen scrolled in uni-
form direction when don't press
Touch Panel at Navi mode?
YES
Check defective Case of
TFT LCD Module.
NO
Do IC704 communicates?
(Check IC704 pins 11, 12)
Check IC704 & CN705
and Solve problem.
NO Is The screen scrolled in uni-
form direction when press
Touch Panel at Navi mode?
Calibrate Touch Panel.
3-5
NO
YES
NO
YES
Check Main Board and
Solve problem.
Defective Touch Panel.