TH-103PF10WK/TK/RK
60
8.1.3. P.C.B. (Print Circuit Board) Replacement
8.1.3.1. Caution
1. 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. Replacement
Adjust the following voltages with the multimeter.
*See the Panel label.
Caution:
Absolutely do not reduce Vsus voltage below Ve not to damage the P.C.B.
P.C.B. Name Test Point Voltage Volume Remarks
P Board (SUS) Vsus TPVSUS (SS) Vsus ± 0.5V VR251 (P_SS side) *
Vsus TPVSUS (SC) Vsus ± 0.5V VR251 (P_SC side) *
SC2 Board Vad TPVAD (SC2) -85V ± 1V VR6600 (SC2)
Vscn TPVSCN (SC2) Vad + 140V ± 4V VR6605 (SC2)
Vset TPVSET (SC2) 240V ± 1V VR6604 (SC2)
Vbk TPVBK (SC2) 150V ± 1V VR6351 (SC2)
SS Board Ve TPVE (SS) Ve ± 1V VR6000 (SS) *
DR1 Board Vc TPVC (DR1) 45 ± 0.5V VR600 (SC side)
34.5 ± 0.5V VR600 (SS side)
DR2 Board Vc TPVC (DR2) 45 ± 0.5V VR650 (SC side)
34.5 ± 0.5V VR650 (SS side)
D, DS Board White balance and Sub brightness for NTSC, PAL, HD, PC and 625i signals
DN Board Set Market Select Number to correct destination by Ms mode (See chap. 6.1.4)
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