Initialization Pulse Adjust; Printed Circuit Board) Exchange - Panasonic TH-42PS9UK Service Manual

9.2.

Initialization Pulse Adjust

1. Input the White signal to plasma video input.
2. Set the picture controls as follows.
Picture menu: Standard
Picture: +25
Aspect: Full
3. Connect Oscilloscope to TPSC1 (T2) and adjust VR6602 for 170±5µ Sec.
9.3. P.C.B. (Printed Circuit Board) exchange
9.3.1. Caution
1. To remove P.C.B., wait for 1 minute after power was off for discharge from electrolysis capacitors.
9.3.2. Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
P.C.B.
P Board Vsus
Vdat
PFC
SC Board Vad
SS Board Ve
D, J, DA Board White balance for NTSC, PAL, HD, PC and 625i signals
DA Board Set Market Select Number to correct destination by MS mode. (See chap. 10.1.4)
*See the Panel label.
Caution:
Absolutely do not reduce Vsus below Ve not to damage the P.C.B.
Test point
T2 TPSC1 (SC) VR6602 (SC)
Name Test Point
TPVSUS (SS)
P12-1, 5 (P)
C446 (+) (-) (P)
TPVAD (SC)
TPVE (SS)
Volume Level
170 ± 5µ Sec.
Voltage Volume
Vsus ± 1V R628 (P)
70.2V ± 0.1V R665 (P)
396V ± 0.5V R443 (P)
-90V ± 1V VR6600 (SC)
Ve ± 1V VR6000 (SS)
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TH-42PS9UK
Remarks
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