Panasonic TH-85PF12U Service Manual

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Panasonic TH-85PF12U Service Manual Manual pdf 47 page image

47TH-85PF12U10.1.3. P.C.B. (Print Circuit Board) and Plasma Display Panel exchange10.1.3.1. Quick adjustment after P.C.B. and Panel exchange1. To remove P.C.B., wait 10 minute after power was off for discharge from electrolysis capacitors.10.1.3.2. Quick adjustment after P.C.B. exchangeAdjust the following voltages with the multimeter.*See the Panel Label.**See chap. 10.1.6.***See chap. 10.1.7.1.10.1.3.3. Quick adjustment after Plasma Display Panel exchangeAdjust the following voltages with the multimeter.*See the Panel Label.10.1.4. Vsus adjustmentAfter exchange P board or Plasma Display Panel, see the Panel Label and check TPVSUS and adjust the volume.10.1.5. Vad adjustmentAfter exchange SC board, check TP9 and adjust the volume.10.1.6. Ve adjustment1. After exchange SS board, connect the multimeter to the testpoint TPVE(SS).2. Select Ve Mode by IIC mode. (See chap. 6.1.1., and 6.2.)P.C.B. Name Test Point Voltage Volume RemarksP Board (Main_1) Vsus TPVSUS (SC) Vsus ± 2V VR251 (P_Main_1) *Vda TP9 (P_Main_1) 70V +1V, -2V FixedP Board (Main_2) Vsus TPVSUS (SS) Vsus ± 2V VR251 (P_Main_2) *Vda TP9 (P_Main_2) 70V +1V, -2V FixedSC Board Vad TPVAD (SC) -135V ± 1V VR16600 (SC)Vscn TPVSCN (SC) Vad_base:+145V±4VGND_base: +10V±6VFixedSS Board Ve** TPVE (SS) Ve ± 1V VR16001 (SS) *D, DS Board White balance and Sub brightness for NTSC, PAL, HD, PC and 625i signalsDN Board Set Market Select Number to correct destination by MS mode. (See chap. 6.1.4)D, DN Board Set Ve Mode until bright points disappears by IIC mode. ***Name Test Point Voltage Volume RemarksVsus (SC Side) TPVSUS (SC) Vsus ± 2V VR251 (P_Main_1) *Vsus(SS Side) TPVSUS (SS) Vsus ± 2V VR251 (P_Main_2) *Ve Life Check Ve Mode. (See chap. 10.1.7.2.)