LC-28HM2E (serv.man2). text - Sharp TV Service Manual (repair manual). Page 31

Adjusting point

Adjusting conditions

Adjusting procedure

3

SECAM BRIGHT
adjustment

1. Feed the color bar signal

carrying SECAM composite
100% white and 0% white
(pedestal black).

(Example)

1. Adjust (P4L2) C SECAM BRIGHT, so that the

pedestal black portion has the largest green area. If
there is no change against lowering the value, it is
likely that the adjustment point (“a” in the figure below)
is deviated from the correct point. In this case, once
try to increase the adjustment value.

4

SECAM CONTRAST
adjustment

1. Feed the color bar signal

carrying SECAM composite
100% white and 0% white
(pedestal black).

1. Adjust (P4L3) C SECAM CONTRAST, so that the

100% white portion has the largest green area.

5

SECAM R DRIVE
adjustment
(C SECAM R DRIVE)

1. Feed the color bar signal

carrying SECAM composite
100% white and 0% white
(pedestal black).

1. Adjust (P4L4) C SECAM R DRIVE, so that the 100%

white portion has the largest red area.

If N358 adjustment item
No. 3 “BRIGHT adjustment
value copy” has already
been done, this item can
be omitted.

The portion 
referred to here

Green level

Adjustment value

Adjust to this point

a

The portion referred to here

The portion referred to here