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TH-50PF11EK
9.1.2.
Initialization Pulse Adjust
1. Set Aging pattern (white pattern signal) by IIC mode.
2. Set the picture controls as follows.
2. Set the picture controls as follows.
Picture menu: Standard
Picture: +25
Aspect: Full
Picture: +25
Aspect: Full
3. Connect Oscilloscope to TPSC1 and adjust VR16602 for 250V ± 10V.
9.1.3.
P.C.B. (Print Circuit Board) exchange
9.1.3.1.
Caution
1. To remove P.C.B., wait 1 minute after power was off for discharge from electrolysis capacitors.
9.1.3.2.
Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
*See the Panel Label.
Caution
Caution
Absolutely do not reduce Vsus voltage below Ve not to damage the P.C.B.
Test Point
Volume
Level
TPSC1 (SC)
VR16602 (SC)
250V ± 10V
at 100
at 100
µ
s
period on the down slope.
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS
Vsus ± 2V
VR251 (P)
*
SC Board
Vad
TPVAD
-140V ± 1V
VR16600 (SC)
Vscn
TPVSCN
Vad + 145V ± 4V
Fixed
Vset
TPVSET
325V + 7V, -9V
Fixed
SS Board
Ve
TPVE
Ve ± 1V
VR16000 (SS)
*
Vda
TPVDA
75V + 1V, -2V
Fixed
D, DS Board
White balance and Sub brightness for NTSC, PAL, HD, PC and 625i signals
DN Board
Set Market Select Number to correct destination by MS mode (See chap. 6.1.4)
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