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Main 4/4 Schematic Diagram
S4
S3
S2
S1
7-9
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 DC plug to the DC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
T4
U4
T3
U3
T2
U2
T1
U1
CAUTION: FOR CONTINUED PROTECTION AGAINST RISK
OF FIRE, REPLACE ONLY WITH SAME TYPE 8A, 125V FUSE.
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE
4A/125V
MÊME TYPE DE 8A, 125V.
V4
W4
V3
W3
V2
W2
V1
W1
7-10
X4
MAIN 4/4
Ref No.
Position
ICS
IC651
U-3
V-2
IC691
TRANSISTORS
Q601
V-3
Q602
V-3
V-3
Q603
V-2
Q611
Q612
V-3
Q621
U-4
U-2
Q631
X3
U-3
Q641
V-2
Q651
Q661
U-1
Q671
V-4
Q672
V-2
U-4
Q681
Q682
U-4
Q683
U-3
U-4
Q684
V-2
Q691
CONNECTOR
CN602A
X-3
X2
X1
L0110SCM4
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