P.c.b. (Printed Circuit Board) Exchange - Panasonic TH-42PA50E Service Manual

TH-42PA50E / TH-42PE50B / TH-37PA50E / TH-37PE50B

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
Name Test Point
Vsus TPVSUS (SS)
Vda TPVDA (SS)
PFC C488 (+) (-) (P)
Vdat C577 (+) (-) (P)
Vsus TPVSUS (SS)
Vad TPVAD (SC)
Vset TPVSET (SC)
Vscn TPVSCN (SC)
Ve TPVE (SS)
White blance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
Voltage
175V ± 1V R628 (P)
67V ± 1V R665 (P)
395V ± 0.5V R443 (P)
67V ± 0.1V R665 (P)
188V ± 1V R628 (P)
-90V ± 1V VR6477 (SC)
232V ± 6V Fixed
Vad + 120 ± 3V Fixed
156V ± 1V VR6074 (SS)
30
Volume Remarks
*
load current : 0.4A
load current : 2.0A
*