Philips FPF32C106128UA-51 Service Manual page 20

EN 20 5. FHP PDP
5
PSU board
Vs 80V exists?
N
Switch off
Disconnect SDM / Y-Sus board
Measure resistance of SDM power line
Between A1-A2, B1-B2, C1-C2 and D1-D2
SDM Power line is
shorted?
N
6
Service Modes, Error Codes, and Fault Finding
Vs Check on Y-Sus & X-Sus board and SDM / XBB
There is no start up of Vs switched and Va if power supply to
Y
Y
N
Switch off
Figure 5-10 Vs check on the Y-Sus and X-Sus board, and SDM / XBB (1/2)
Remark:
X-Sus (CN23) or Y-Sus (CN33) board is disconnected
PSU Board Va block is defective
SDM is faulty
Panel chassis is defective
Switch on
PSU board Vs / Vcc
is output?
Switch off
End of analysis
ADM1 ADM2 ADM3 ADM4
A2
A1
B1
B2
C1
C2
D1
D2
Y
SDM is faulty
Panel chassis is defective
Switch off
End of analysis
ADM5 ADM6 ADM7 ADM8
E_14580_014.eps
101005