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NO RASTER NO SOUND Check +B voltage at J306. no 140V
no
Is there the square waveform at pin4 of P101 (H-out)
Is the voltage at pin 24 of IC01 5V?
0V
Check the part of Digital PCB ASSY
yes
Check/Replace IC803, D826, 827, 828, 829, T805, T801, 804 and Fuse (FC02). NG
Check the voltage of C834.
yes Check/Replace D801. 230~380V no Is the waveform at the collector of Q402 normal? Check the voltage at pin9 of IC801. Lower than 6V
Check/Replace Q401, T401and Q402. yes OK
Check/Replace D802, D803, Q801 and IC801.
Check/Replace T701 and CONNECTORS.
Check/Replace IC802, IC804, D810 and R832.
