LG LSS-3200A Service Manual page 39

(A)
Power is supplied to IC400[HD2]?
YES
Video display clock(IC600(7)) is
supplied to HD2? FIG. 01
YES
Chage Display Color select switch to
RGB/ DVI side and check HV sync.
Any problem ?
NO
END
NO
Check L400(1. 8V) IC950(2) (3. 3V).
NO
Check IC605(5) and IC600(1)
Check IC605(1, 8) and X600 if there is
sinusoidal 27MHz clock. FIG. 03
YES
If HV sync exists in IC607 (6, 7)
( FIG. 04 ) ( FIG. 05 )
then check IC607(1) is low.
If not, check IC201(52).
3-30
FIG. 02 .
NO