The following table indicates the optical block part number for the indicated models. The part numbers in parentheses refer to numbers that have been replaced.
The accuracy of this table is not guaranteed. In fact, there is a great deal of variability from site-to-site on which part numbers work in which models.
For the SXRD models, there are multiple part numbers for each model, apparently due to changes made during the production year. For those models, you should contact Sony with your serial number to confirm the correct part number. TV models Optical block part number Old optical block part number? Later models have Serial Number beginning with 91xxxxx and 99xxxxx. WF optical block removal Rear cover removal Unplug the TV and remove the rear cover from the back of the TV by removing all of the screws with arrows pointing at them.
Once all of the screws are removed, the cover should move very easily away from the TV. Set the rear cover aside with its screws so that you do not get them mixed up with others. Remove the five screws with arrows pointing to them from the center pillar. Note that the screw on the middle-right goes into the main cooling fan housing, which must be lined up properly when reinstalling.
Also note that there is an optical block support guide on the back of the center pillar near the bottom see the two screws in a small metal plate at bottom of the center pillar. This guide slides in a slot, requiring the center pillar to be lifted for removal.
Once all of the screws are removed, it should be easy to gently lift the center pillar up then out from the bottom bracket. Set the center pillar aside with its screws so that you do not get them mixed up with others. All three ribbon cable connectors loosened:.
Please note the following: In most cases, the best option is probably to have the optical block professionally rebuilt. This requires that you or somebody you hire remove the optical block from your TV and ship it to a rebuilder. Check the interboard wiring to ensure that no wires are "pinched" or contact high-wattage resistors. Check that all control knobs, shields, covers, ground straps, and mounting hardware have been replaced.
Be absolutely certain that you have replaced all the insulators. Look for unauthorized replacement parts, particularly tran- sistors, that were installed during a previous repair. Point them out to the customer and recommend their replacement. Look for parts which, through functioning, show obvious signs of deterioration.
Point them out to the customer and recom mend their replacement. Check the line cords for cracks and abrasion. Recommend the replacement of any such line cord to the customer.
Check the condition of the monopole antenna if any. Make sure the end is not broken off, and has the plastic cap on it. Point out the danger of impalement on a broken antenna to the customer, and recommend the antenna's replacement.
Make sure your instruments are accurate;be suspicious of your HV meter if sets always have low HV. Check the antenna temminals, metal trim, "metallized" knobs, screws, and all other exposed metal parts for AC leakage.
Check leakage as described below. Leak- age current can be measured by any one of three methods. Follow the manufacturers' instructions to usc these instruments. A battery-operated AC milliammeter. The Data Precision digital multimeter is suitable for this job.
The "limit" indica- tion is 0. NearIy all bat- tery operated digital multimeters that have a 2V AC range are suitable. Make sure that the lamp cover is mounted securely, otherwise the power will not turn on. If the lamp cover is not mounted securely, the self-diagnostic function works and the. Match the projections of the underneath of the lamp cover with. Faites correspondre les parties saillantes du dessous du capot.
Previous Page. Next Page. Print page 1 Print document 2 pages. Rename the bookmark. Delete bookmark? Cancel Delete. Delete from my manuals? Sign In OR. Don't have an account? Sign up!
0コメント