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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.
31
TH-50PZ700U / TH-50PE700U
Содержание TH-50PZ700U
Страница 5: ...1 Applicable signals 5 TH 50PZ700U TH 50PE700U ...
Страница 21: ...8 Location of Lead Wiring 8 1 Lead of Wiring 1 21 TH 50PZ700U TH 50PE700U ...
Страница 25: ...9 4 No Picture 25 TH 50PZ700U TH 50PE700U ...
Страница 32: ...11 4 Adjustment Volume Location 11 5 Test Point Location 32 TH 50PZ700U TH 50PE700U ...
Страница 34: ...34 TH 50PZ700U TH 50PE700U ...
Страница 36: ...NOTE 36 TH 50PZ700U TH 50PE700U ...
Страница 68: ...NOTE TH 50PZ700U TH 50PE700U 68 ...
Страница 69: ...15 Schematic and Block Diagram 15 1 Schematic Diagram Note TH 50PZ700U TH 50PE700U 69 ...
Страница 137: ...16 Exploded Views Replacement Parts List 16 1 Exploded Views 137 TH 50PZ700U TH 50PE700U ...
Страница 138: ...16 2 Packing Exploded Views Accessories 138 TH 50PZ700U TH 50PE700U ...
Страница 139: ...16 3 Packing Exploded Views Stand TH 50PZ700U 139 TH 50PZ700U TH 50PE700U ...
Страница 140: ...16 4 Packing Exploded Views Stand TH 50PE700U 140 TH 50PZ700U TH 50PE700U ...
Страница 141: ...16 5 Replacement Parts List Notes 141 TH 50PZ700U TH 50PE700U ...