9.3.
P.C.B. (Printed Circuit Board) exchange
9.3.1.
Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
9.3.2.
Quick adjustment after P.C.B. exchange
P.C.B.
P Board
Vsus
Vda
SC Board
Vad
Vset
Vscn
SS Board
Ve
D, J Board
White blance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
*See the Panel label.
9.4.
Adjustment Volume Location
9.5.
Test Point Location
Name
Test Point
TPVSUS (SS)
TPVDA (SS)
TPVAD (SC)
TPVSET (SC)
TPVSCN (SC)
TPVE (SS)
TH-42PHW7EX / TH-42PHD7EK / TH-42PHD7BK / TH-42PHD7UY
Voltage
185V ± 2V
R641 (P)
67V ± 1V
R665 (P)
-105V ± 1V
VR6477 (SC)
240V ± 1V
VR6491 (SC)
Vad + 130 ± 4V
160V ± 1V
VR6145 (SS)
21
Volume
Remarks
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