Plasma Display Panel - Sony FWD-42PX2 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 boards.
3. Horizontal bar failure
. Check all connectors.
. Check peripheral circuit and connecting of the Y-DRV
board.
3-2
4. Mal discharge
. Check signals of Y-DRV and Z-SUS boards and check
Y-SUS board voltage (_Vy, Vsc).
. Check Y-DRV board.
. Check CTRL board.
FWD-42PX2