Plasma Display Panel - Sony FWD-42PV1 Service Manual

3-2-2. Plasma Display Panel

1. Image is not displayed.
. Check all connectors.
. Check the Exhaust tip.
. Check blink of LEDs on the CTRL board and check the
5 V CTRL voltage.
. Check fuse on the Y SUS board and check Vsc, _Vy,
Vs, V5 CTRL voltage.
. Check fuse on the Z SUS board and check Va, V5
CTRL, Vs voltage.
2. Vertical bar failure
. Check all connectors.
. Check peripheral circuit and connecting of the XR and
XL borads.
3. Horizontal bar failure
. Check all connectors.
. Check peripheral circuit and connecting of the YDT and
YDB borads.
3-2
4. Mal discharge
. Check signals of YDT, YDB, and Z SUS boards and
check Y SUS board voltage (_Vy, Vsc).
. Check YDT and YDB boards.
. Check CTRL board.
FWD-42PV1/42PV1P/42PV1A