Symphonic ST27S3, Service Manual

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S1
S2
S3
T1
T2
T3
U1
U2
U3
V1
V2
V3
W1
W2
W3
X1
X2
X3
VIDEO SIGNAL
7-9
7-10
L6609SCM4
Main 4/4 & CRT Schematic Diagram
MAIN 4/4
Ref No. Position Ref No. Position Ref No. Position
IC551
S-3
Q572
T-2
TP592
U-2
TP601
U-2
Q531
S-2
CN571
T-3
Q532
S-2 WH301A V-2 VR561 U-3
Q551 T-3 WH501A V-3 VR562 U-3
Q552
T-3
Q553 U-2 TP300 U-2
Q561 U-3 TP302 V-2
Q571 U-2 TP591 U-2
TEST POINTS
IC
TRANSISTORS CONNECTORS
TRANSISTORS TEST POINTS
VARIABLE RESISTORS
CRT
Ref No. Position
Q1512
W-2
Q1522
W-2
Q1532 W-2
CN1501 X-2
WH301B V-2
WH501B V-3
TP1501
X-2
TP1502 W-3
TRANSISTORS
CONNECTORS
TEST POINTS