Sylvania 6842PF M Service Manual page 106

Power Supply CBA Top View
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F2100, F2102, F2300, F2400) 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.
VR2350
J2192
VDATA
ADJ.
VDATA
J2169
GND
J2156
VSUS
VR2250
VSUS
ADJ.
CAUTION ! : For continued protection against risk of fire,
replace only with same type 8A, 250V fuse.
8A 250V
ATTENTION : Utiliser un fusible de rechange de même type de 8A, 250V.
CAUTION ! : For continued protection against risk of fire,
replace only with same type 2A, 250V fuse.
2A 250V
ATTENTION : Utiliser un fusible de rechange de même type de 2A, 250V.
1-3-5
CAUTION ! : For continued protection against risk of fire,
replace only with same type 1A, 250V fuse.
1A 250V
ATTENTION : Utiliser un fusible de rechange de même type de 1A, 250V.
Because a hot chassis ground is present in the power
supply circut, an isolation transformer must be used.
NOTE:
Also, in order to have the ability to increase the input
The voltage for parts in hot circuit is measured using
slowly, when troubleshooting this type power supply
hot GND as a common terminal.
circuit, a variable isolation transformer is required.
BL0654M01011