Trouble In H-Linearity - LG Flatron T710P Service Manual

UNBALANCED OF H-LIN.
CHECK
IC401
PIN 5, 6, 7 ,23 ?
YES
CHECK
Q711~Q718?
YES
CHECK
L703?
YES
TROUBLE IN
C722, C723, C726, C729
Cs SIGNAL TABLE (High brightness)
HORIZONTAL
Cs0 Cs1
FREQUENCY(fH)
255
30K ~ 35.9K
173
36K ~ 40.9K
85 H
41K ~ 45.9K
80 H
46K ~ 48.9K
80 H
49K ~ 51.9K
60 H
52K ~ 58.9K
50 H
59K ~ 62.9K
40 H
63K ~ 66.9K
30 H
67K ~ 73.9K
20 H
74K ~ 77.9K
0 H
78K ~ 81.9K
0 H
82K ~ 83.9K
0 H
84K ~ 86K

5. TROUBLE IN H-LINEARITY

NO
NO
NO
Cs2 Cs3 Cs4
L L L L
L H L H
L L H
L H L
L H L
H L L
H L H
H L H
H H L
H H H
H H H
H H H
H H H
- 18 -
TROUBLE IN
IC401 (MICOM)
TROUBLE IN
Q711 ~ Q718
TROUBLE IN
L703
Cs SIGNAL TABLE (Normal CDT)
HORIZONTAL
Cs0 Cs1
FREQUENCY(fH)
255 L
30K ~ 35.9K
36K ~ 40.9K 173 L
85 H
41K ~ 45.9K
46K ~ 51.9K 80 H
60 H
52K ~ 58.9K
59K ~ 62.9K 50 H
40 H
63K ~ 66.9K
30 H
67K ~ 73.9K
74K ~ 77.9K 20 H
0 H
78K ~ 83.9K
84K ~ 86K 0 H
Cs2 Cs3 Cs4
L L L
H L H
L L H
L H L
H L L
H L H
H H L
H H L
H H H
H H H
H H H