27
8.1.2.
Initialization Pulse Adjust
1. Input the White signal to plasma video input.
2. Set the picture controls as follows.
Picture menu : Dynamic
PNR: OFF
Aspect : 16:9
3. Connect Oscilloscope to TPSC1 (SC).
Check the voltage (T2) at 100 us period on the down slop.
8.1.3.
P.C.B. (Printed Circuit Board) exchange
8.1.3.1.
Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
8.1.3.2.
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)
VR16602 (SC)
250 V ± 10 V
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
Vsus ± 2V
VR251 (P)
*
SC Board
Vad
TPVAD (SC)
-140V ± 1V
VR16600 (SC)
SS Board
Ve
TPVE (SS)
Ve ± 1V
VR16000 (SS)
*
A, D Board
White balance and Sub brightness for NTSC, PAL, HD, PC and 625i signals
Summary of Contents for Viera TH-42PZ80B
Page 6: ...6 3 2 Applicable signals ...
Page 16: ...16 6 4 No Picture ...
Page 28: ...28 8 1 4 Adjustment Volume Location 8 1 5 Test Point Location ...
Page 36: ...36 10 3 Wiring 1 2 ...
Page 37: ...37 10 4 Wiring 2 ...
Page 38: ...38 ...
Page 39: ...39 11 Schematic Diagram 11 1 Schematic Diagram Note ...
Page 102: ...102 13 1 2 Packing ...
Page 103: ...103 13 1 3 Mechanical Replacement Parts List ...
Page 108: ...108 13 2 Electrical Replacement Parts List 13 2 1 Replacement Parts List Notes ...