LG 50PS80 Series, Руководство по обучению

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81
August 2009 Plasma 50PS80
Z Z - - SUS PWB Testing without Y SUS PWB Testing without Y - - SUS SUS
PREPARATION:
1) The Power Supply must be working normally under Light Bulb test.
2) Leave the Light Bulbs in place for the following test.
3) Jump the 17V from pin 1 or pin 2 P814 to the Z-SUS
connector P100 1~5.
4) Place the Scope on the Z-SUS
waveform Test Point FL103.
5) Confirm there is an Output from the
Z-SUS PWB (approximate 230V p/p)
This test confirms that the Power Supply,
Control Board and Z-SUS boards
are all working OK.
Light bulbs must remain
connected to the Vs from the
Power Supply to Gnd.
Failure to do so, will cause the
17V to fluxuate and cause the
Z-SUS to shutdown.