Sylvania 6842PF M Service Manual page 62

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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.
1-10-20
Because a hot chassis ground is present in the power
supply circut, an isolation transformer must be used.
Also, in order to have the ability to increase the input
slowly, when troubleshooting this type power supply
circuit, a variable isolation transformer is required.
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
BL0650F01052