Printed Circuit Board) Exchange; Adjustment Volume Location; Test Point Location - Panasonic TH-42PA50A Service Manual

TH-42PA50A / TH-42PA50H / TH-42PA50M / TH-37PA50H / TH-37PA50M
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.
P Board
SC Board
SS Board
D, DG Board
*See the Panel label.

10.4. Adjustment Volume Location

10.5. Test Point Location

Name Test Point
Vsus TPVSUS (SS)
Vda TPVDA (SS)
PFC C446 (+) (-) (P)
Vlow C557 (+) (-) (P)
Csus TPVSUS (SS)
Vad TPVAD (SC)
Ve TPVE (SS)
White blance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
Voltage
Vsus ± 1V R628 (P)
67V ± 1V R665 (P)
395V ± 0.5V R443 (P)
73V ± 0.1V R661 (P)
164V ± 0.5V R671 (P)
-90V ± 1V VR6477 (SC)
Ve ± 1V VR6074 (SS)
30
Volume Remarks
*
load current : 0.4A
load current : 1.45A
*