Philips FPF32C106128UA-51 Service Manual page 21

Service Modes, Error Codes, and Fault Finding
6
Disconnect connection from
XBB / X-Sus board
Measure resistance of XBB line.
Between A1-B1, B1-A2, A2-B2, B2-A3, A3-B3,
B3-A4, A4-B4
XBB line has short-
circuit?
N
Y-Sus board is defective.
Replace Y-Sus board
X-Sus board is defective.
replace X-Sus Board
Figure 5-11 Vs check on the Y-Sus and X-Sus board, and SDM / XBB (2/2)
Vs Check on Y-Sus & X-Sus board and SDM / XBB
There is a posibility to check the VS and Va power supply lines
via an external power supply.
External power supply connected to VS or Va power supply line
and ground, output voltage = 20V, current = 0mA or very low
current to charge the capacitors at switch on.
Y
FHP PDP
ADM1 ADM2
XBB is faulty
Panel chassis is defective
X-Sus board is defective
5. EN 21
ADM3 ADM4 ADM5 ADM6 ADM7 ADM8
A1
B1
A2
B2
A3
B3
A4
B4
End of analysis
E_14580_015.eps
310304