Philips 40PFL5505D/F7 Service Manual page 48

Power Supply CBA Bottom View
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F1) is blown , check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
CAUTION ! : For continued protection against risk of fire,
replace only with same type 5 A, 250V fuse.
5A/250V
ATTENTION : Utiliser un fusible de rechange de même type de 5A, 250V.
10-20
Because a hot chassis ground is present in the power supply
NOTE: circuit, an isolation transformer must be used when repairing.
The voltage for parts in hot circuit is measured using Also, in order to have the ability to increase the input slowly,
when troubleshooting this type of power supply circuit,
hot GND as a common terminal.
a variable isolation transformer is required.
DPS-40