10.3. P.C.B. (Printed Circuit Board) exchange
10.3.1. Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
10.3.2. Quick adjustment after P.C.B. exchange
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
Vsus ± 1V
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)
164V ± 0.5V
R671 (P)
load current : 1.45A
SC Board
Vad
TPVAD (SC)
-90V ± 1V
VR6477 (SC)
SS Board
Ve
TPVE (SS)
Ve ± 1V
VR6074 (SS)
*
D, DG Board
White blance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
*See the Panel label.
10.4. Adjustment Volume Location
10.5. Test Point Location
30
TH-42PA50A / TH-42PA50H / TH-42PA50M / TH-37PA50H / TH-37PA50M
Summary of Contents for TH-42PA50A
Page 17: ...7 2 Lead of Wiring 2 17 TH 42PA50A TH 42PA50H TH 42PA50M TH 37PA50H TH 37PA50M...
Page 18: ...7 3 Lead of Wiring 3 18 TH 42PA50A TH 42PA50H TH 42PA50M TH 37PA50H TH 37PA50M...
Page 21: ...8 3 No Picture 21 TH 42PA50A TH 42PA50H TH 42PA50M TH 37PA50H TH 37PA50M...
Page 24: ...24 TH 42PA50A TH 42PA50H TH 42PA50M TH 37PA50H TH 37PA50M...
Page 25: ...9 3 Option Description 25 TH 42PA50A TH 42PA50H TH 42PA50M TH 37PA50H TH 37PA50M...
Page 26: ...26 TH 42PA50A TH 42PA50H TH 42PA50M TH 37PA50H TH 37PA50M...
Page 64: ...TH 42PA50A TH 42PA50H TH 42PA50M TH 37PA50H TH 37PA50M 64...
Page 126: ...TH 42PA50A TH 42PA50H TH 42PA50M TH 37PA50H TH 37PA50M 126...
Page 128: ...15 2 Packing Exploded Views 1 128 TH 42PA50A TH 42PA50H TH 42PA50M TH 37PA50H TH 37PA50M...
Page 129: ...15 3 Packing Exploded Views 2 129 TH 42PA50A TH 42PA50H TH 42PA50M TH 37PA50H TH 37PA50M...
Page 130: ...15 4 Packing Exploded Views 3 130 TH 42PA50A TH 42PA50H TH 42PA50M TH 37PA50H TH 37PA50M...
