Sylvania 6842PF M Service Manual page 107

Power Supply CBA Bottom 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.
WF12
D2104
CATHODE
WF15
D2450
ANODE
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.
1-3-6
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.
WF14
D2350
ANODE
WF13
D2251
ANODE
WF16
PIN 11 OF
CN2506
BL0654M01011