|Hitachi_DW3_P42H401_P40H4011_P40T501_P50H401_P50H4011_P50T501_P55H401_P55H4011_P55T551_P60X901_Dead_||DW3 Models 2007 PDP 1
P42H401, P40H4011, P40T501, A and Non A 50" 55" and 60" DW3 Chassis
P50H401, P50H4011, P50T501, A and Non A
P55H401, P55H4011, P55T551
Any time you are dealing with a Dead Unit or- a unit that will not power up, or, that it will come on but the TV
will protect itself and kill the Va and Vs. Check/confirm the SDR PWBs do not have any shorted Ics on them.
Using a ohmetter in continuity test-looking for shorts - or simply checking resistance, test across each one of
these SMD ceramic capacitors. If any of them is found shorted- the SDR PWB must be replaced.
Small caps that will show shorted IF a buffer IC is
shorted, regardless of having a blown up marking or
Each IC will have two of these small SMD caps on
its Vcc line to ground.
Sometimes there will be some blown up holes or markings, however this may not be evide|