Philips S42AX-YD04 Service Manual page 27

Service Modes, Error Codes, and Fault Finding SDI PDP 2K7 5. EN 27
OK Short
FET,IGBT (contain the inner diode)
OK (0.3 ~ 0.9 V) / Short (0.000 ~ 0.00x V)
[Ys, Yg, Yscan, Yfr, Yrr, Xs, Xg, Xb]
OK Short
IGBT (do not contain the inner diode)
OK (xx.x kohm) / Short (x.x ohm)
(Yr, Yf, Xr, Xf)
Ys(Q5007), Yg(Q5001), Yscan(Q5008,9), Yfr(Q5006), Yrr(Q5004),
Xs(Q4001), Xg(Q4002), Xb(Q4003,4)
Yr(Q5003), Yf(Q5002), Xr(Q4006), Xf(Q4005)
H_16870_012.eps
040407
Figure 5-10 FET, IGBT check points 42" HD W2 [3/5]