Toshiba 43A62 Service Manual

Also see for 43A62: Owner's manual Owner's manual

– 6 –GENERAL ADJUSTMENTSSPECIFIC INFORMATIONSWARNING : BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRE-CAUTION” AND “PRODUCT SAFETY NOTICE” ON PAGE 3 OF THIS MANUAL.PICTURE TUBE COMPONENTS ADJUSTMENTDESCRIPTION OF NECK COMPONENTS TILT ADJUSTMENTRotate R, G, B deflection yoke so that picture becomeshorizon, then fasten screw.CENTERING ADJUSTMENT1. Stretch a thread between two center slots of screenedge (top and bottom, left and right).2. Select the adjustment mode.3. Press TV/VIDEO button on the Remote Control to dis-play the white cross-bar.4. Perform VCEN adjustment. (See page 11.)5. Adjust G centering magnet so that the cross-bar pat-tern center comes to screen center.6. Perform HEIGHT adjustment . (See page 12.)7. Perform VERT. LINEARITY adjustment.8. Perform WIDTH adjustment. (See page 12.)9. Check whole quality of green line.10 . Adjust R, B centering magnet so that the cross-bar pat-tern center comes to screen center. Deflection yoke and convergence yokeThe position on the neck is required most front(CRT funnel side) and the screw is fastened afterrotating yoke adjusting picture tilt. Centering magnetAfter adjusting picture tilt, picture position is finallyfixed by this magnet.In order to get maximum margin of user conver-gence control for center of screen, this magnethave to be used for center convergence adjust-ment.PREPARATIONOperate the receiver for at least 5 minutes.R, G, B FOCUS ADJUSTMENT1. Before adjusting the R, G, B FOCUS, remove the 4screws of Lens Assembly which is fixed on the CRTAssembly. (See page 4.)Then turn around the Lens Assembly by 180˚ to adjustthe fastening screw (Fig. a) and fasten the 4 screws tosecure Lens Assembly.2. Select the adjustment mode. (See page 9.)3. Press “7” button to display the built-in cross-hatch.4. Press “0” and “RTN” buttons to make the picture a sin-gle Red color.100 button ............... to erase Red color0 button ............... to erase Green colorRTN button ............... to erase Blue color5. Loosen the fasten screw and adjust Red lense focusto best focusing point of picture center. Then fastenthe screw. (See Fig. a.)Fig. a6. Adjust FOCUS VR “R” of FOCUS PACK to find bestfocusing point of picture center.7. Repeat steps 3 to 5 for Green and Blue colors.