Horizontal Image Is Abnormal; Mal Discharge - Sony FWD-42PX2 Service Manual

3-8-3. Horizontal Image is abnormal

Horizontal image is abnormal.
Is there any abnormal state or
foreign substance in the
connection between the Y-DRV
board and the flexible flat cable
of the trouble position?
No
Is the symptom improved after
replacing with another Y-DRV
board?
No
Replace the plasma display
panel.

3-8-4. Mal Discharge

Mal discharge
Replace the Y-DRV, Y-SUS,
or CTRL board.
FWD-42PX2
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.
Connect correctly or remove the
Yes
foreign substance.
Replace the Y-DRV board.
Yes
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.)
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.
n
After replacing the Y-SUS board, perform
the following adjustments.
. Vsc Adjustment (Refer to Section 2-4.)
. _Vy Adjustment (Refer to Section 2-4.)
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