zenith surround amp model z711b symptom: no audio f501 and 502 blown solution: replace ic 403 and 404(output ics) pn:tda2032a hth charles betzler Best Electronics repair1@xxxxxxxxx ------------------------------------------ To REMOVE your email address, click here: http://www.tech-assist.org/unsubb.html ------------------------------------------ ***NEW*** Tips Added Instantly!!!*** Submit Repair Tips here: http://www.tech-assist.org/secure/tip/