Panasonic DVD-RV26 Service Manual

Also see for DVDRV26 - DIG. VIDEO DISCPLAYE: Operating instructions Operating instructions Operating instructions Operating instructions Operating instructions

10.2.1. Important points in optical adjustment- Before starting optical adjustment, be sure to take anti-static measures.- Optical pickup tilt adjustment is needed after replacement of thefollowing components.1. Optical pickup unit2. Spindle motor unit3. Optical pickup peripheral parts (such as rail)NotesAdjustment is generally unnecessary after replacing other parts of the traverse unit. However, makeadjustment if there is a noticeable degradation in picture quality. Optical adjustments cannot be madeinside the optical pickup. Adjustment isgenerally unnecessary after replacing the traverse unit.10.2.2. Important points in electrical adjustment- Follow the adjustment procedures described in this Manual.10.3. Storing and Handling Test Discs- Surface precision is vital for DVD test discs. Be sure to store andhandle them carefully.1. Do not place discs directly onto the workbench, etc., after use.2. Handle discs carefully in order to maintain their flatness. Place theminto their case after use and store them vertically. Store discs in a coolplace where they are not exposed to direct sunlight or air from airconditioners.3. Accurate adjustment will not be possible if the disc is warped whenplaced on a surface made of glass, etc. If this happens, use a new testdisc to make optical adjustments.4. If adjustment is done using a warped disc, the adjustment will beincorrect and some discs will not be playable.10.4. Optical adjustment10.4.1. Optical pickup tilt adjustmentMeasurement point Adjustment point Mode DiscTangential adjustmentscrewTilt adjustment screwT01 (inner periphery) playT43 (outer periphery)playDVDR-S15 or DVDT-S01Measuring equipment Adjustment valueNone (Main unit display for servicing is used.) Adjust to the minimum jitter value.31