Symphonic SYLVANIA Emerson 6313CD Service Manual page 50

Main CBA Bottom View
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.
NOTE :
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.
WF13
PIN 5
OF CN571
WF12
Q571
Collector
CAUTION: FOR CONTINUED PROTECTION AGAINST RISK
FIRE, REPLACE ONLY WITH THE SAME TYPE 4A, 125V FUSE.
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE
4A/125V
MÊME TYPE DE 4A, 125V.
WF7
WF9
PIN 8
PIN 7
OF IC100
OF IC401
1-9-15
BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER
SUPPLY CIRCUIT, 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.
WF11
PIN 41
OF IC301
WF10
PIN 9
OF IC301
WF2
PIN 61
OF IC401
WF18
PIN 59
OF IC201
WF17
PIN 58
OF IC201
WF4
PIN 42
OF IC401
1-9-16 BT5400F01014