Sony KV-32XBR200 KV-36XBR200 free download

File name bulletin TVP0523_©_.pdf

Sony Service Company National Technical Services A Division of Sony Electronics Inc. Park Ridge, New Jersey 07656 CONFIDENTIAL Service Bulletin TV Products No. CSV-1 Model: KV-32XBR200, KV-36XBR200 523 Subject: No Audio After Replacing G-Board; G-Board Received From WRPC-AS May Not Be Compatible In TV. Symptom: (1510) Solution: Date: February 2, 2001 G-boards received from WRPC-AS might not have the audio 5V regulator components mounted. In this case, the TV will have no audio. When ordering a G-board for the KV-32XBR200 or the KV-36XBR200 be sure to also order the parts listed below! The solution depends on the 2-digit suffix of the printed-wiring version silkscreened on one corner of the G-board received from WRPC-AS. For printed-wiring versions 1-671-380-21 and lower follow procedure # 1. For printed-wiring versions 1-671-380-22 and higher follow procedure # 2. REF IC651 R651 DESCRIPTION IC, BA05T RESISTOR 33 OHM, 5%, 3 WATT HEATSINK FOR IC651 SCREW W/ WASHERS HEATSINK COMPOUND PART NUMBER 8-759-450-47 1-215-908-00 REUSE FROM ORIGINAL BOARD REUSE FROM ORIGINAL BOARD OBTAIN LOCALLY Procedure # 1 (for printed-wiring versions 1-671-380-21 and lower): 1- Install the heatsink for IC651. Apply heatsink compound to the heatsink. 2- Install IC651 and R651, then install board in set and check for normal operation. Procedure # 2 (for printed-wiring versions 1-671-380-22 and higher): 1- Refer to illustration # 2 on the last page. Very carefully use a razor knife to cut the printed-wiring pattern as shown in the drawing. Make sure there is at least 0.5 mm space between the patterns after they are cut. 2- Measure the resistance between pins 4 and 5 of connector CN642 to make sure the pattern was cut completely. The resistance should initially be about 3 megohms, rising to infinity ohms. A low resistance, or 0 ohms, indicates that the pattern was not completely cut. Continued on next page... Reference: VEA Engineering AUTOFLAGGED - YES PRINTED IN USA TV Products Service Bulletin No. 523 3- Install the heatsink for IC651. Apply heatsink compound to the heatsink. 4- Install IC651 and R651, then install board in set and check for normal operation. Mounting Locations For IC651 And Heatsink, And For R651. Holes for mounting heatsink. Holes for mounting R651. Holes for mounting IC651. Illustration # 1 Continued on next page... TV Products Service Bulletin No. 523 G-board With Printed-wiring Pattern Version -22 And Higher. Last 2 digits of the top number indicate printed-wiring version. For example, number 1-671-380-22 indicates version -22 printed-wiring pattern. Caution: make sure you do not cut these thin patterns! Cut the printed wiring pattern as indicated by the dotted line. Minimum space between patterns after cutting is 0.5 mm. Illustration # 2