- Installation
- Mechanical Adjustments
- Board Modification
- New/Former Discrimination
- Printed Wiring Boards - MAIN Section
- Schematic Diagram - MAIN Section
- Printed Wiring Boards - RF Section
- Schematic Diagram - RF Section
- Electrical Parts List
- GENERAL
- DISASSEMBLY
- ELECTRICAL ADJUSTMENTS
- DIAGRAMS
- Printed Wiring Board - RF Section
- Schematic Diagram - RF Section
- Schematic Diagram - MAIN Section
- Printed Wiring Board - MAIN Section
- IC Pin Function Description
- EXPLODED VIEWS
- ELECTRICAL PARTS LIST
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� 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 �
MIN side (low gain)
MAX side (high gain)
RV14 standard position
� 16 �
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