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TH-42PA20E / TH-42PA20B
11.4. P.C.B. (Printed Circuit Board) exchange
11.4.1. Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
11.4.2. Quick adjustment after P.C.B. exchange
P.C.B.
P Board
SC Board
SS Board
D, DG Board
*See the Panel label.
11.5. Adjustment Volume Location
11.6. Test Point Location
Name
Test Point
Vsus
TPVSUS (SS)
Vda
TPVDA (SS)
Vbk
TPVBK (SC)
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
Volume
170V ± 1V
R605 (P)
67V ± 1V
R590 (P)
155V ± 5V
R6443 (SC)
-90V ± 1V
R6477 (SC)
218V ± 6V
- - -
Vad ± 118 ± 2V
- - -
158V ± 1V
R6774 (SS)
30
Remarks
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