27
9.1.2.
Initialization Pulse Adjust
1. Input the White signal to plasma video input.
2. Set the picture controls as follows.
Picture menu : Dynamic
PNR : Min
Aspect : 16:9
3. Connect Oscilloscope to TPSC1 (SC).
Check the voltage (T2) at 100
μ
s period on the down slop.
9.1.3.
P.C.B. (Printed Circuit Board) exchange
9.1.3.1.
Caution
1. To remove P.C.B., wait 1 minute after power was off for discharge from electrolysis capacitors.
9.1.3.2.
Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
*See the Panel label.
Caution:
Absolutely do not reduce Vsus below Ve not to damage the P.C.B.
Test point
Volume
Level
T2
TPSC1 (SC)
VR16601 (SC)
210 V ± 10 V
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
Vsus ± 2V
R737 (P)
*
SC Board
Vad
TPVAD (SC)
-180V ± 2V
VR16600 (SC)
A Board
White balance and Sub brightness for RF and 1080i signals
Summary of Contents for TX-PR42C10
Page 16: ...16 6 4 No Picture ...
Page 28: ...28 9 1 4 Adjustment Volume Location 9 1 5 Test Point Location ...
Page 38: ...38 11 3 Wiring 2 ...
Page 39: ...39 11 4 Wiring 3 ...
Page 40: ...40 ...
Page 41: ...41 12 Schematic Diagram 12 1 Schematic Diagram Note ...
Page 79: ...79 A B C D E F G H I 1 2 3 4 5 6 P BOARD COMPONENT SIDE LSEP1279BEHB ...
Page 92: ...92 14 1 2 Packing 1 ...
Page 93: ...93 14 1 3 Packing 2 ...
Page 94: ...94 14 1 4 Mechanical Replacement Parts List ...
Page 98: ...98 14 2 Electrical Replacement Parts List 14 2 1 Replacement Parts List Notes ...