P.c.b. (Printed Circuit Board) Exchange - Panasonic TH-37PX50U Service Manual

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
TH-37PX50U
P.C.B.
P Board Vsus
Vda
PFC
Vdat
Vlow
SC Board Vad
Vset
Vscn
SS Board Ve
D, DG Board White blance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
*See the Panel label.
TH-42PX50U
P.C.B.
P Board Vsus
Vda
Vdat
SC Board Vad
Vset
Vscn
SS Board Ve
D, DG Board White blance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
*See the Panel label.
TH-50PX50U
P.C.B.
P Board Vsus
Vda
Vdat
SC Board Vad
Vset
Vscn
SS Board Ve
D, DG Board White blance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
*See the Panel label.
Name Test Point
TPVSUS (SS)
TPVDA (SS)
C488 (+) (-) (P)
C555 (+) (-) (P)
TPVSUS (SS)
TPVAD (SC)
TPVSET (SC)
TPVSCN (SC)
TPVE (SS)
Name Test Point
TPVSUS (SS)
TPVDA (SS)
P12_2,5pin (P)
TPVAD (SC)
TPVSET (SC)
TPVSCN (SC)
TPVE (SS)
Name Test Point
TPVSUS (SS)
TPVDA (SS)
P12_2,5pin (P)
TPVAD (SC)
TPVSET (SC)
TPVSCN (SC)
TPVE (SS)
Voltage Volume
187V ± 2V R628 (P)
70V ± 1V R665 (P)
395V ± 0.5V R443 (P)
73V ± 0.1V R665 (P)
178V ± 0.5V R661 (P)
-105V ± 1V VR6503 (SC)
240V ± 7V Fixed
Vad + 130 ± 4V Fixed
160V ± 1V VR6045 (SS)
Voltage Volume
188V ± 2V R351 (P)
70V ± 1V Fixed
70V ± 0.1V Fixed
-105V ± 1V VR6477(SC)
240V ± 7V Fixed
Vad + 130 ± 4V Fixed
160V ± 1V VR6145 (SS)
Voltage Volume
176V ± 2V VR351 (P)
75V ± 1V Fixed
75V ± 0.1V Fixed
-90V ± 1V VR6801(SC)
225V ± 7V Fixed
Vad + 130 ± 4V Fixed
150V ± 1V VR6250 (SS)
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TH-37PX50U / TH-42PX50U / TH-50PX50U
Remarks
*
load current : 0.4A
load current : 1.3A
*
Remarks
*
*
Remarks
*
*