11.2. 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 and adjust that the stand down pulse(T2) period are each within specification.
Test point
Volume
Level
T2
TPSC1 (SC)
VR6602 (SC)
250 ± 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)
-140V ± 1V
VR6600 (SC)
Vscn
TPVSCN (SC)
Vad + 148V ± 1V
VR6841 (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.
33
TH-42PZ70B / TH-42PZ70E / TH-42PY70F / TH-42PY70P
Summary of Contents for TH-42PY70P
Page 5: ...1 Applicable signals 5 TH 42PZ70B TH 42PZ70E TH 42PY70F TH 42PY70P ...
Page 20: ...8 Location of Lead Wiring 8 1 Lead of Wiring 1 20 TH 42PZ70B TH 42PZ70E TH 42PY70F TH 42PY70P ...
Page 21: ...8 2 Lead of Wiring 2 21 TH 42PZ70B TH 42PZ70E TH 42PY70F TH 42PY70P ...
Page 22: ...8 3 Lead of Wiring 3 22 TH 42PZ70B TH 42PZ70E TH 42PY70F TH 42PY70P ...
Page 23: ...8 4 Lead of Wiring 4 23 TH 42PZ70B TH 42PZ70E TH 42PY70F TH 42PY70P ...
Page 27: ...9 4 No Picture 27 TH 42PZ70B TH 42PZ70E TH 42PY70F TH 42PY70P ...
Page 64: ...TH 42PZ70B TH 42PZ70E TH 42PY70F TH 42PY70P 64 ...
Page 142: ...16 2 Fan Exploded Views 142 TH 42PZ70B TH 42PZ70E TH 42PY70F TH 42PY70P ...
Page 143: ...16 3 Packing Exploded Views 1 143 TH 42PZ70B TH 42PZ70E TH 42PY70F TH 42PY70P ...
Page 144: ...16 4 Packing Exploded Views 2 144 TH 42PZ70B TH 42PZ70E TH 42PY70F TH 42PY70P ...
Page 145: ...16 5 Stand Packing Exploded Views 145 TH 42PZ70B TH 42PZ70E TH 42PY70F TH 42PY70P ...
Page 146: ...16 6 Replacement Parts List Notes 146 TH 42PZ70B TH 42PZ70E TH 42PY70F TH 42PY70P ...