10.4. P.C.B. (Printed Circuit Board) exchange
10.4.1.
Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
10.4.2.
Quick adjustment after P.C.B. exchange
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
170V ± 1V
R605 (P)
Vda
TPVDA (SS)
67V ± 1V
R590 (P)
SC Board
Vbk
TPVBK (SC)
155V ± 5V
R6443 (SC)
Vad
TPVAD (SC)
-90V ± 1V
R6477 (SC)
Vset
TPVSET (SC)
218V ± 6V
---
Vscn
TPVSCN (SC)
Vad + 118 ± 2V
---
SS Board
Ve
TPVE (SS)
158V ± 1V
R6774 (SS)
D, DG Board
White blance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
*See the Panel label.
10.5. Adjustment Volume Location
10.6. Test Point Location
24
TH-42PA20U-P
Summary of Contents for TH-42PA20U/P
Page 11: ...4 TH 42PA20U A ...
Page 28: ...6 2 Lead of Wiring 2 9 ...
Page 29: ...6 3 Lead of Wiring 3 10 ...
Page 30: ...6 4 Lead of Wiring 4 11 ...
Page 55: ...16 Mechanical Replacement Parts List 36 ...
Page 61: ...C2342 ECA1HHG100 E 10UF 50V 1 42 ...
Page 78: ...R416 ERJ6ENF2551 M2 55KOHM 1 10W 1 59 ...
Page 82: ...R2453 ERJ6GEYJ103 M 10KOHM J 1 10W 1 63 ...
Page 95: ...76 ...
Page 225: ...1 Applicable signals 4 TH 42PA20U P ...
Page 230: ...6 Location of Lead Wiring 6 1 Lead of Wiring 1 9 TH 42PA20U P ...
Page 231: ...6 2 Lead of Wiring 2 10 TH 42PA20U P ...
Page 232: ...6 3 Lead of Wiring 3 11 TH 42PA20U P ...
Page 233: ...6 4 Lead of Wiring 4 6 5 Lead of Wiring 5 12 TH 42PA20U P ...
Page 242: ...9 4 IIC mode structure following items value is sample data 21 TH 42PA20U P ...
Page 253: ...32 TH 42PA20U P ...