Printed Circuit Board) Exchange - Panasonic TH-37PHD8GK Service Manual

10.3. P.C.B. (Printed Circuit Board) exchange
10.3.1. Caution
1. To exchange P.C.B. , wait for 1 minute after power was off for discharge from electrolysis capacitors.
10.3.2. Quick adjustment after P.C.B. exchange
TH-37PHD8GK/GS/UK
P.C.B.
P Board Vsus
Vda
SC Board Vad
Vset
Vscn
SS Board Ve
D, J Board White balance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
TH-42PHD8GK/GS/UK
P.C.B.
P Board Vsus
SC Board Vad
Vset
Vscn
SS Board Ve
Vda
D, J Board White balance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
*See the Panel label.
Caution:
Absolutely do not reduce Vsus below Ve not to damage the P.C.B.
Name Test Point
TPVSUS (SS)
TPVDA (SS)
TPVAD (SC)
TPVSET (SC)
TPVSCN (SC)
TPVE (SS)
Name Test Point
TPVSUS (SS)
TPVAD (SC)
TPVSET (SC)
TPVSCN (SC)
TPVE (SS)
TPVDA (SS)
TH-37PHD8GK / TH-37PHD8GS / TH-37PHD8UK / TH-42PHD8GK / TH-42PHD8GS / TH-42PHD8UK
Voltage Volume
187V ± 2V R628 (P)
70V ± 1V R665 (P)
-105V ± 1V VR6503 (SC)
240V ± 7V Fixed
Vad + 130V ± 4V Fixed
160V ± 1V VR6045 (SS)
Voltage Volume
188V ± 2V VR351 (P)
-105V ± 1V VR6477 (SC)
240V ± 7V Fixed
Vad + 130V ± 4V Fixed
160V ± 1V VR6145 (SS)
70V ± 1V Fixed
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Remarks
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*
Remarks
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