is part of the manual is very useful for repairing
Here are circuit diagrams
if there is damage, I recommend using this part of the
a complete list of circuit boards and components
ecelent I was reciver the service manual soon I fell so happy very complete 100% positive all by this store tanks atte Luis salazar
Text excerpt from page 15 (click to view)
� 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.
CNJ12
RV14
IC51
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 �