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Main 4/4 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.
S4
S3
S2
S1
7-9
4A/125V
T4
U4
T3
U3
T2
U2
T1
U1
CAUTION: FOR CONTINUED PROTECTION AGAINST RISK
OF FIRE, REPLACE ONLY WITH SAME TYPE 4A, 125V FUSE.
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE
MÊME TYPE DE 4A, 125V.
V4
V3
V2
V1
NOTE :
The voltage for parts in hot circuit is
measured using hot GND as a
common terminal.
W4
X4
W3
X3
W2
X2
W1
X1
7-10
MAIN 4/4
Ref No.
Position
ICS
IC601
U-1
IC603
V-3
TRANSISTORS
Q601
S-2
Q603
T-2
Q633
W-4
L0207SCM4
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