Sony FWD-50PX3 - 50" Plasma Panel, Руководство по обслуживанию

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3-2
FWD-50PX3
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 connection of the XR, XC
and XL boards.
3. Horizontal bar failure
.
Check all connectors.
.
Check peripheral circuit and connection of the YDB and
YDT boards.
4. Mal discharge
.
Check signals of YDB, YDT and Z-SUS boards and
check Y-SUS board voltage (
_
Vy, Vsc).
.
Check YDB and YDT boards.
.
Check CTRL board.