Samsung CX528ZSE Service Manual page 39

(2) Horizontal AFC circuit.
Pin 35 is an input-output terminal for the AFC.
PIN 33 (H.Vec)
O
TA7698AP /KA2154
Sync. Signal
a ee
flyback INTEGRATOR
pulse
Fig. 21 AFC CIRCUIT
Integrated flyback pulse
Error
Voltage
a
Reference level
SAW TOOTH WAVE
0
AFC output
Qi base input
0
Fig. 22 AFC operating wavefrom
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