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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 and adjust that the stand down pulse(T2) period are each within specification.
Test point
Volume
Level
T2
TPSC1 (SC)
VR6602 (SC)
185 ± 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)
-100V ± 1V
VR6600 (SC)
Vbk
TPVBK (SC)
155V ± 1V
VR6604 (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.
29
TH-58PE75U
Summary of Contents for Viera TH-58PE75U
Page 4: ...1 Applicable signals 4 TH 58PE75U ...
Page 17: ...8 Location of Lead Wiring 8 1 Lead of Wiring 1 17 TH 58PE75U ...
Page 18: ...8 2 Lead of Wiring 2 18 TH 58PE75U ...
Page 19: ...8 3 Lead of Wiring 3 19 TH 58PE75U ...
Page 23: ...9 4 No Picture 23 TH 58PE75U ...
Page 30: ...11 4 Adjustment Volume Location 11 5 Test Point Location 30 TH 58PE75U ...
Page 32: ...32 TH 58PE75U ...
Page 34: ...34 TH 58PE75U ...
Page 59: ...15 Schematic and Block Diagram 15 1 Schematic Diagram Note TH 58PE75U 59 ...
Page 107: ...16 Exploded Views Replacement Parts List 16 1 Exploded Views 107 TH 58PE75U ...
Page 108: ...16 2 Packing Exploded Views Accessories box 108 TH 58PE75U ...
Page 109: ...16 3 Packing Exploded Views Stand 109 TH 58PE75U ...
Page 110: ...16 4 Replacement Parts List Notes 110 TH 58PE75U ...