Emerson EWL20S5 Service Manual page 36

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.
WF4 WF3 WF5 WF1
PIN 28 OF PIN 27 OF PIN 26 OF PIN 2 OF
CN1206 CN1206
CN1206 CN1206
8-12
CAUTION ! : For continued protection against risk of fire,
replace only with same type 4 A, 125V fuse.
WF2
4A/125V
ATTENTION : Utiliser un fusible de rechange de même type de 4A, 125V.
PIN 7 OF
CN1205
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.
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
WF6
PIN 14 OF
IC801
BL2500F01011-1