Initialization Pulse Adjust; Printed Circuit Board) Exchange - Panasonic TH-42PV60A Service Manual

10.2. Initialization Pulse Adjust

1. Input the White signal to plasma video input.
2. Set the picture controls as follows.
Picture menu: Dynamic
D.PNR: OFF
Aspect: 16:9
3. Connect Oscilloscope to TPSC1 (T2) and adjust VR6602 for 195+10µ Sec.
10.3. P.C.B. (Printed Circuit Board) exchange
10.3.1. Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
10.3.2. 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, DG Board White blance, Pedestal 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.
Test point
T2 TPSC1 (SC) VR6602 (SC)
Name Test Point
TPVSUS (SS)
P12-1, 5 (P)
C446 (+) (-) (P)
TPVAD (SC)
TPVE (SS)
Volume Level
195 ± 10µ Sec
Voltage Volume
Vsus ± 2V R628 (P)
75.5V ± 0.1V R665 (P)
396V ± 0.5V R443 (P)
-105V ± 1V VR6600 (SC)
Ve ± 2V VR6000 (SS)
33
TH-42PV60A / TH-42PV60H / TH-42PV60M / TH-42PV60MT
Remarks
*
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