25
8.1.2.
Initialization Pulse Adjust
1. Input the White signal to plasma video input.
2. Set the picture controls as follows.
Picture menu : Vivid
Normal : Set
Aspect : Full
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 Link TH-42PZ80U
Page 15: ...15 6 4 No Picture ...
Page 26: ...26 8 1 4 Adjustment Volume Location 8 1 5 Test Point Location ...
Page 28: ...28 ...
Page 36: ...36 10 3 Wiring 2 ...
Page 37: ...37 10 4 Wiring 3 ...
Page 38: ...38 10 5 Wiring 4 ...
Page 39: ...39 10 6 Wiring 5 ...
Page 40: ...40 ...
Page 41: ...41 11 Schematic Diagram 11 1 Schematic Diagram Note ...
Page 100: ...100 ...
Page 102: ...102 13 1 2 Fan part location ...
Page 103: ...103 13 1 3 Accessories ...
Page 104: ...104 13 1 4 Mechanical Replacement Parts List ...
Page 107: ...107 13 2 Electrical Replacement Parts List 13 2 1 Replacement Parts List Notes ...