Vertical Image Is Abnormal - Sony FWD-42PX2 Service Manual

3-8-2. Vertical Image is abnormal

Vertical image is abnormal.
Is there a symptom that the
image on the right or left half of
the screen is not displayed?
(Vertical streaks on the half
side of the screen)
No
Is there any vertical line
(line or stripe) on the screen?
Yes
Is there any abnormal state or
foreign substance in the
connection between the XR board
or XL board and the TCP
connector (on the panel) of the
trouble position?
No
Replace the plasma display
panel.
3-8
n
For the replacement parts, refer to Section 4.
The parts other than those described in Section 4 are
not service parts. When the replacement of those parts
is required, replace them in the assembly unit.
Is there any problem in the connection
of the XR board or XL board?
Yes
XL board: Connection between Y-SUS
board and CTRL board
XR board: Connection between Z-SUS
board and CTRL board
Replace the XL or XR board.
Is there any vertical line over the
No
whole screen area at regular intervals?
Connect correctly or remove the
Yes
foreign substance.
n
After replacing the plasma display panel, perform
the following adjustments.
. Va Voltage Adjustment (Refer to Section 2-3.)
. Vs Voltage Adjustment (Refer to Section 2-3.)
. AD calibration adjustment (Refer to Section 2.)
. White balance adjustment (Refer to Section 2.)
Yes
No
Yes
Connect correctly.
Replace the CTRL board.
FWD-42PX2