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Main 2/3 Schematic Diagram
CAUTION !
IF SIGNAL
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
VIDEO SIGNAL
circuit are not defective before you connect the AC plug to the AC power supply.
AUDIO SIGNAL
Otherwise it may cause some components in the power supply circuit to fail.
G4
G3
G2
G1
7-5
I4
H4
H3
I3
I2
H2
I1
H1
CAUTION: FOR CONTINUED PROTECTION AGAINST RISK
OF FIRE, REPLACE ONLY WITH SAME TYPE 4A, 125V FUSE.
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE
4A/125V
MÊME TYPE DE 4A, 125V.
K4
J4
J3
K3
J2
K2
J1
K1
NOTE :
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.
MAIN 2/3
Ref No.
Position
L4
ICS
IC31
IC601
TRANSISTORS
Q31
Q601
Q602
Q662
Q671
Q675
Q676
Q681
Q682
L3
Q683
CONNECTOR
CN691
VARIABLE RESISTOR
VR661
L2
1 NOTE:
*
The Capacitor ( C643 ) is either type A or type B.
These two types are exchangeable and can be
L1
equally used whichever the model is . The difference
between type A and type B is shown in the table below.
C643
C642
Type A
0.01/250V
Not Used
0.01/250V
Type B
4700P/250V
Not Used
7-6
L2200SCM2
J-3
I-1
J-4
J-2
J-1
I-1
H-2
H-1
H-1
G-2
G-1
G-1
K-2
I-1
JS642
WIRE
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