Sony TVP0277 free download

File name TVP0277.pdf

TV Products CSV-1 Service Bulletin Sony Service Company - Technical Services A Division of Sony Electronics Inc. Sony Drive, Park Ridge, New Jersey 07656 Model: KV-27XBR37, KV-32XBR37 No. 277 Subject: Audio Buzz (noise) from speaker Date: January 16, 1996 Symptom: (154) Audio Buzz (noise) from speaker with low audio level Solution: Please perform the following circuit change on the M Board. 1. Remove the "M" board from the Main board. 2. Remove the listed reference components from the M board. (See chart below) 3. Add 0 ohm resistor between Pin 1 of IC202 and Pin 3. 4. Add 0 ohm resistor between Pin 5 of IC202 and Pin 7. 5. Reinstall M board and redress wire to original condition. REF FORMER DESCRIPTION PART NUMBER R203 47K OHM, 1-216-089-00 CHIP RESISTOR R204 47K OHM, 1-216-089-00 CHIP RESISTOR R207 33K OHM, 1-216-085-00 CHIP RESISTOR R208 47K OHM, 1-216-089-00 CHIP RESISTOR R209 33K OHM, 1-216-085-00 CHIP RESISTOR R210 47K OHM, 1-216-089-00 CHIP RESISTOR cont. Reference: FPR- PRINTED IN USA Autoflagged - NO PRINTED ON RECYCLED PAPER TV Products Service Bulletin No. 277 REF FORMER DESCRIPTION PART NUMBER C202 220P, CHIP 1-163-001-00 CAPACITOR C205 220P, CHIP 1-163-001-00 CAPACITOR IC202 IC, LM358 8-759-276-27