SONY CDX727
Manual de Servicio

� FOCUS GAIN ADJUSTMENT (COARSE ADJUSTMENT) This adjustment is to be performed when replacing the following parts. � Optical Pick-up Block � RV14
[RF BOARD] � Conductor Side �

� When gain is lowered... The set does not play because of no focus operation. � When gain is highered... Operation noise is heard due to a scratch or a dust, then operation will be unstable.

RV14

IC51

CNJ12

IC11

Procedure: 1. Set RV14 (RF board) to the standard position. 2. Check that there is not an abnormal amount of operation noise (white noise) from the 2-axis devise. If there is, turn RV14 slightly clockwise.
[RF BOARD] � Conductor Side �

MIN side (low gain)

MAX side (high gain)

RV14 standard position

� 17 �