Panasonic TH-C50FD18A Service Manual

Also see for THC50FD18A - 50" PLASMA TV: Operating instructions

278.1.2. Initialization Pulse Adjust1. Input the White signal to plasma video input.2. Set the picture controls as follows.Picture menu : VividNormal : SetAspect : Full3. Connect Oscilloscope to TPSC1 (SC).Check the voltage (T2) at 100 us period on the down slop.8.1.3. P.C.B. (Printed Circuit Board) exchange8.1.3.1. Caution1. To remove P.C.B., wait 1 minute after power was off for discharge from electrolysis capacitors.8.1.3.2. Quick adjustment after P.C.B. exchangeAdjust the following voltages with the multimeter.*See the Panel label.Caution:Absolutely do not reduce Vsus below Ve not to damage the P.C.B.Test point Volume LevelT2 TPSC1 (SC) VR16602 (SC) 250 V ± 10 VP.C.B. Name Test Point Voltage Volume RemarksP Board Vsus TPVSUS (SS) Vsus ± 2V VR251 (P) *SC Board Vad TPVAD (SC) -140V ± 1V VR16600 (SC)SS Board Ve TPVE (SS) Ve ± 1V VR16000 (SS) *A, D Board White balance and Sub brightness for NTSC, PAL, HD, PC and 625i signals