V1
V2
V3
V4
W1
W2
W3
W4
X1
X2
X3
X4
Y1
Y2
Y3
Y4
Z1
Z2
Z3
Z4
AA4
AA3
AA2
AA1
VIDEO SIGNAL
AUDIO SIGNAL
7-12
7-13
7-14
L6250SCM4
Main 4/4 Schematic Diagram
MAIN 4/4
Ref No.
Position
IC431
V-2
IC781
X-3
IC901
X-1
IC941
Y-3
Q788
Z-2
Q901
Z-1
Q931
Y-2
Q936
Y-2
Q944
Y-4
Q951
Z-3
Q956
AA-2
Q961
X-2
Q971
Z-2
TP421
V-3
TP422
V-3
ICS
TRANSISTORS
TEST POINTS