Sylvania 6427FF Service Manual page 33

Main 3/4 Schematic Diagram
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F601) 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 4 A, 125V fuse.
4A/125V
ATTENTION : Utiliser un fusible de rechange de même type de 4A, 125V.
8-5
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
MAIN 3/4
Ref No. Position
ICS
IC31 P-3
O-1
IC601
TRANSISTORS
Q601 P-2
P-1
Q602
Q652 O-1
Q672 N-2
Q673 N-1
Q674 N-1
M-2
Q681
Q682 M-1
O-2
Q696
CONNECTOR
CN691 Q-2
TEST POINT
N-4
TP300
VARIABLE RESISTOR
VR661 O-1
L3800SCM3