Initialization Pulse Adjust - Panasonic TH-42PH12ES Service Manual

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10.1.2. Initialization Pulse Adjust

1. Set Aging pattern (white pattern signal) by IIC mode.
2. Set the picture controls as follows.
Picture menu: Standard
Picture: +25
Aspect: Full
3. Connect Oscilloscope to TPSC1 and adjust VR16601 for 210V ± 10V.
10.1.3. P.C.B. (Print Circuit Board) exchange
10.1.3.1. Caution
1. To remove P.C.B., wait 1 minute after power was off for discharge from electrolysis capacitors.
10.1.3.2. Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
P.C.B.
P Board Vsus
SC Board Vad
Vscn
Vset
SS Board Ve
Vda
D, DS, DN 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)
*See the Panel Label.
Caution
Absolutely do not reduce Vsus voltage below Ve not to damage the P.C.B.
Test Point Volume
TPSC1 (SC) VR16601 (SC)
Name Test Point
TPVSUS (SS)
TPVAD (SC)
TPVSCN (SC)
TPVSET (SC)
TPVE (SS)
TPVDA (P)
Level
210V ± 10V
s
at 100 µ
period on the down slope.
Voltage
Vsus ± 2V R737 (P)
-180V ± 2V VR16600 (SC)
Vad_base:+145V±4V Fixed
GND_base: -35V±6V
290V ± 9V Fixed
Ve ± 2.5V Fixed
60V +1V , -2V Fixed
31
TH-42PH12EK / TH-42PH12ES
Volume Remarks
*
*