Pin Name Function
Voltage when
no disc (V)
DVD disc
voltage (V)
CD disc
voltage (V)
21 PVCC2 5V power supply 5.38 5.08 5.07
22 PREGND Ground 0 0.01 0.01
23 VINLD Feed control signal input 1.4 1.41 1.4
24 CTK2 External feedback loop 2.41 2.52 2.53
25 CTK1 External feedback loop 2.51 2.52 2.53
26 VINTK Trace control signal input 1.42 1.42 1.41
27 BIAS 1.4V reference voltage input 1.41 1.42 1.42
28 STBY Enable control signal 0 3.18 3.19
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