Sony TVP0552 free download

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S CONFIDENTIAL CSV-1 Sony Service Company National Technical Services Service Bulletin A Division of Sony Electronics Inc. Park Ridge, New Jersey 07656 TV Products Model: KV-20FV12, KV-24FV12, KV-27FS12 No. 552 KV-27FS16, KV-27FV16, KV-32FS12 KV-32FS16 Subject: No audio or video after replacing the A or K Date: November 5, 2001 Board Symptom: (1510) During production there were circuit changes made to both the A & K boards. The part numbers for these boards were not changed. If either the A or K board are replaced the loss of both audio and video may occur. Solution: When a new board is received from WRPC the board suffix, see (Fig 1) for board location, must be checked. See the table below for compatablity between boards. Location of the suffix number on the A Board Fig 1 A Board suffix numbers K Board suffix numbers Conditions 1-677-295-11 1-678-026-11 You can use without any modifications 1-677-295-22 1-677-295-41 1-678-026-12 You can use without any modifications 1-677-295-51 1-678-026-13 1-677-295-61 1-678-026-21 1-678-026-22 1-677-295-11 1-678-026-12 You have to remove the jumpers JW215 & JW216 on 1-677-295-22 1-678-026-13 the A board, if you are replacing the K board with one 1-677-295-31 1-678-026-21 of the suffix numbers listed in the chart. 1-678-026-22 If when replacing the A board there is a compatibility problem, see chart, you will need to add the jumpers JW215 & JW216 to the A board. (See Fig 2) Continue on the next page Reference: ECN KV-C03599, KV-C03511 PRINTED IN USA TV Products Service Bulletin No. 552 Location of jumpers