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.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
Vsus ± 2V
R628 (P)
*
Vda
TPVDA (SS)
67V ± 1V
R665 (P)
PFC
C446 (+) (-) (P)
395V ± 0.5V
R443 (P)
Vlow
C557 (+) (-) (P)
73V ± 0.1V
R661 (P)
load current : 0.4A
Csus
TPVSUS (SS)
178V ± 0.5V
R671 (P)
load current : 1.45A
SC Board
Vad
TPVAD (SC)
-90V ± 1V
VR6477 (SC)
SS Board
Ve
TPVE (SS)
Ve ± 2V
VR6074 (SS)
*
D, DG Board
White blance, 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.
9.4. Adjustment Volume Location
9.5. Test Point Location
21
TH-37PWD8BK
Содержание TH-37PWD8BK
Страница 5: ...1 Applicable signals 5 TH 37PWD8BK ...
Страница 17: ...8 Location of Lead Wiring 8 1 Wiring for 37 inch model 17 TH 37PWD8BK ...
Страница 18: ...8 2 Wiring for 42 inch model 18 TH 37PWD8BK ...
Страница 24: ...10 2 IIC mode structure following items value is sample data 24 TH 37PWD8BK ...
Страница 34: ...34 TH 37PWD8BK ...
Страница 62: ...TH 37PWD8BK 62 ...
Страница 63: ...15 Block and Schematic Diagrams 15 1 Schematic Diagram Notes TH 37PWD8BK 63 ...
Страница 122: ...TH 37PWD8BK 122 ...
Страница 123: ...16 Parts Location 16 1 Parts Location 1 123 TH 37PWD8BK ...
Страница 124: ...16 2 Parts Location 2 124 TH 37PWD8BK ...
Страница 125: ...17 Packing Exploded Views 17 1 Packing Exploded Views 1 125 TH 37PWD8BK ...
Страница 126: ...17 2 Packing Exploded Views 2 126 TH 37PWD8BK ...
Страница 127: ...17 3 Packing Exploded Views 3 127 TH 37PWD8BK ...
Страница 131: ...19 Replacement Parts List 19 1 Replacement Parts List Notes 131 TH 37PWD8BK ...