
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.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
187V ± 2V
R628 (P)
*
Vda
TPVDA (SS)
70V ± 1V
R665 (P)
SC Board
Vad
TPVAD (SC)
-105V ± 1V
VR6503 (SC)
Vset
TPVSET (SC)
240V ± 7V
Fixed
Vscn
TPVSCN (SC)
Vad + 130V ± 4V
Fixed
SS Board
Ve
TPVE (SS)
160V ± 1V
VR6045 (SS)
*
D, J Board
White balance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
TH-42PHD8GK/GS/UK
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
188V ± 2V
VR351 (P)
*
SC Board
Vad
TPVAD (SC)
-105V ± 1V
VR6477 (SC)
Vset
TPVSET (SC)
240V ± 7V
Fixed
Vscn
TPVSCN (SC)
Vad + 130V ± 4V
Fixed
SS Board
Ve
TPVE (SS)
160V ± 1V
VR6145 (SS)
*
Vda
TPVDA (SS)
70V ± 1V
Fixed
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.
39
TH-37PHD8GK / TH-37PHD8GS / TH-37PHD8UK / TH-42PHD8GK / TH-42PHD8GS / TH-42PHD8UK
Summary of Contents for TH-37PHD8GK
Page 34: ...34 TH 37PHD8GK TH 37PHD8GS TH 37PHD8UK TH 42PHD8GK TH 42PHD8GS TH 42PHD8UK ...
Page 36: ...36 TH 37PHD8GK TH 37PHD8GS TH 37PHD8UK TH 42PHD8GK TH 42PHD8GS TH 42PHD8UK ...
Page 52: ...14 Option Setting 52 TH 37PHD8GK TH 37PHD8GS TH 37PHD8UK TH 42PHD8GK TH 42PHD8GS TH 42PHD8UK ...
Page 54: ...54 TH 37PHD8GK TH 37PHD8GS TH 37PHD8UK TH 42PHD8GK TH 42PHD8GS TH 42PHD8UK ...
Page 178: ...TH 37PHD8GK TH 37PHD8GS TH 37PHD8UK TH 42PHD8GK TH 42PHD8GS TH 42PHD8UK 178 ...
Page 180: ...17 1 2 TH 42PHD8 180 TH 37PHD8GK TH 37PHD8GS TH 37PHD8UK TH 42PHD8GK TH 42PHD8GS TH 42PHD8UK ...
Page 185: ...185 TH 37PHD8GK TH 37PHD8GS TH 37PHD8UK TH 42PHD8GK TH 42PHD8GS TH 42PHD8UK ...