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Chassis Part Symbol Defective Circuit ATC221 TW19 FP251ATC221 FP221 ATC221 RP12 ATC221 BK11,10 Convergence Convergence Convergence Convergence

Symptom no video, no convergence, Convergence power supply dead. found TW19 open (on the convergence amp board) . Cycles, Convergence power supply is not operational, found FP251 and FP221 open (off LL008 flyback). (The convergence power had been replaced ) Convergence power supply dead. Found RP12 open Convergence adjustment is missing in the customers menu. On connector BK11 (Clock & Data) pin one wasn't soldered.

solution replace TW19 Replace FP221 & FP251 Replace RP12 Resolder BK11