Durabrand DWT1905 Service Manual page 6

Main 2/3 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.
3-3
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
MAIN 2/3
Ref No. Position
ICS
I-3
IC31
I-1
IC601
TRANSISTORS
H-4
Q31
J-2
Q601
Q602 J-1
I-1
Q662
Q671 H-2
H-1
Q675
H-1
Q676
Q681 G-2
G-1
Q682
G-1
Q683
CONNECTOR
CN691 K-2
VARIABLE RESISTOR
VR661 I-1
1 NOTE:
*
These components (C643, C642, JS642)
can be used in any models.
However, you cannot mix components under
Group A with the ones under Group B.
You can choose either Group. The difference
between Group A and Group B is shown below.
Group A Group B
C643 0.01/250V 4700P/250V
C642 0.01/250V Not Used
JS642 Not Used WIRE
L2314SCM2