Trouble In H-Linearity - IBM E74 Service Manual

UNBALANCED OF H-LIN.
CHECK
IC401
PIN 5, 6, 7 ?
YES
CHECK
Q711~Q716?
YES
CHECK
L703?
YES
TROUBLE IN
C722, C723, C726, C729

5. TROUBLE IN H-LINEARITY

NO
NO
NO
- 17 -
TROUBLE IN
IC401 (MICOM)
TROUBLE IN
Q711 ~ Q716
TROUBLE IN
L703
Cs SIGNAL TABLE
HORIZONTAL
Cs1
FREQUENCY(fH)
30K ~ 33.9K
L
34K ~ 38.9K
L
39K ~ 43.9K
H
44K ~ 48.9K
H
49K ~ 51.9K
H
52K ~ 57.9K
H
58K ~ 61.9K
H
62K ~ 65.9K
H
66K ~ 70K
H
Cs2 Cs3
L L
H L
L L
L H
H L
H L
H L
H H
H H