G1
G2
G3
G4
H1
H2
H3
H4
I1
I2
I3
I4
J1
J2
J3
J4
K1
K2
K3
K4
L1
L2
L3
L4
G5
H5
I5
J5
K5 L5
PB Audio Signal
PB Video Signal
REC Audio Signal
REC Video Signal
1-9-6 1-9-7 1-9-8 HB3J1SCM2
Main 2/3 Schematic Diagram ( EWV401B )
Main 2/4 Schematic Diagram ( EWV601B )
Note:
The Tuner Unit ( TU701 ) is either type A or type B.
These two types are exchangeable and can be equally used
whichever the model is. The difference between type A and
type B is shown in the table below.
*
2
TYPE B UTUNNTUAL030
TYPE A UTUNNTUSP020
J192
J193
NU NU
WIRE WIRE
NU: Not Used
TU701
J194
NU
WIRE
J215
NU
WIRE
Main 2/3 Schematic Diagram
(EWV401B)
Main 2/4 Schematic Diagram
(EWV601B)
Ref.No Position
IC301 H-2
Q301 J-3
Q302 J-4
Q303 J-4
Q391 J-2
Q421 H-2
Q422 G-1
Q425 H-1
Q426 G-1
CL253 G-5
TP301 H-4
TP302 H-1
TP303 I-2
TP751 L-2
TP752 L-2
TP753 L-2
TP754 L-2
TRANSISTORS
ICS
CONNECTORS
TEST POINTS
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