10.3. P.C.B. (Printed Circuit Board) exchange
10.3.1. Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
10.3.2. Quick adjustment after P.C.B. exchange
P.C.B. Name Test Point Voltage Volume Remarks
P Board Vsus TPVSUS (SS) Vsus ± 1V R628 (P) *
Vda TPVDA (SS) 67V ± 1V R665 (P)
PFC C446 (+) (-) (P) 395V ± 0.5V R443 (P)
Vlow C557 (+) (-) (P) 73V ± 0.1V R661 (P) load current : 0.4A
Csus TPVSUS (SS) 164V ± 0.5V R671 (P) load current : 1.45A
SC Board Vad TPVAD (SC) -90V ± 1V VR6477 (SC)
SS Board Ve TPVE (SS) Ve ± 1V VR6074 (SS) *
D, DG Board White blance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
*See the Panel label.
10.4. Adjustment Volume Location
10.5. Test Point Location
30
TH-42PA50A / TH-42PA50H / TH-42PA50M / TH-37PA50H / TH-37PA50M
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