Zenith Z-100 PC series Service Manual page 219

19.
TP1, PIN BOARD
20.
IC7501, PIN 4
21.
IC7501, PIN B
22.
IC7502, PIN 6 (ENVELOPE)
23.
IC7502, PIN 6 (CARRIER)
24.
IC7503, PIN 4 (ENVELOPE)
25.
IC2101, PIN 1
26.
IC2101, PIN 7
27.
IC2101, PIN 5
28.
TP3, DEFLECTION BOARD
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Schematics and Waveforms