Sylvania ZC350SL8 Service Manual page 26

AV 1/5 Schematic Diagram
1-10-3
* NOTE
These components (IC1502, C1509)
can be used in any models.
However, you cannot mix components under
Group A with the ones under Group B.
You can choose either Group. The difference
between Group A and Group B is shown below.
Group A Group B
R3112N191A-TR-FA
IC1502
/R3112N191A-TR-FB PST3619NR
/BU4219G-TR
C1509 0.015 0.1
E7H20SCAV1