11.2. 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 that the flat section(T1) is less than 40µs.
Check and adjust that the stand down pulse(T2) period are each within specification.
Test point
Volume
Level
T2
TPSC1 (SC)
VR6602 (SC)
160 ± 10µ Sec
11.3. P.C.B. (Printed Circuit Board) exchange
11.3.1. Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
11.3.2. Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
Vsus ± 2V
VR251 (P)
*
SC Board
Vad
TPVAD (SC)
-90V ± 1V
VR6600 (SC)
SS Board
Ve
TPVE (SS)
Ve ± 1V
VR6000 (SS)
*
D, DG Board
White balance 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.
37
TH-50PZ750U
Содержание TH50PZ750U - 50" Plasma TV
Страница 5: ...1 Applicable signals 5 TH 50PZ750U ...
Страница 21: ...8 Location of Lead Wiring 8 1 Lead of Wiring 1 21 TH 50PZ750U ...
Страница 22: ...8 2 Lead of Wiring 2 22 TH 50PZ750U ...
Страница 23: ...8 3 Lead of Wiring 3 23 TH 50PZ750U ...
Страница 24: ...8 4 Lead of Wiring 4 24 TH 50PZ750U ...
Страница 25: ...8 5 Lead of Wiring 5 25 TH 50PZ750U ...
Страница 26: ...8 6 Lead of Wiring 6 26 TH 50PZ750U ...
Страница 27: ...8 7 Lead of Wiring 7 27 TH 50PZ750U ...
Страница 31: ...9 4 No Picture 31 TH 50PZ750U ...
Страница 38: ...11 4 Adjustment Volume Location 11 5 Test Point Location 38 TH 50PZ750U ...
Страница 40: ...40 TH 50PZ750U ...
Страница 42: ...NOTE 42 TH 50PZ750U ...
Страница 76: ...NOTE TH 50PZ750U 76 ...
Страница 77: ...15 Schematic and Block Diagram 15 1 Schematic Diagram Note TH 50PZ750U 77 ...
Страница 154: ...NOTE TH 50PZ750U 154 ...
Страница 155: ...16 Exploded Views Replacement Parts List 16 1 Exploded Views 155 TH 50PZ750U ...
Страница 156: ...16 2 Packing Exploded Views Accessories 156 TH 50PZ750U ...
Страница 157: ...16 3 Packing Exploded Views Stand 157 TH 50PZ750U ...
Страница 158: ...16 4 Replacement Parts List Notes 158 TH 50PZ750U ...