Panasonic TH-50PHD8BK, Service Manual, Page: 24 / 150

9.2. Initialization Pulse Adjust
1. Input a white signal to plasma video input.
2. Set the picture adjustment items as follows.
· Picture menu : Standard
· Color temperature : Normal
· Picture : 25
· Aspect : Full
3. Connect Oscilloscope to TPSC1 (T1) and check for 20 ± 15µ Sec.
4. Connect Oscilloscope to TPSC1 (T2) and adjust VR6602 for 155 ± 10µ Sec.
Test point Volume Level
T1 TPSC1 (SC) Fixed 20 ± 15µ Sec
T2 TPSS1 (SS) VR6602(SC) 155 ± 10µ Sec
9.3. P.C.B. (Printed Circuit Board) Remove
9.3.1. Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
9.3.2. Quick adjustment after P.C.B. Remove
P.C.B. Name Test Point Voltage Volume Remarks
P Board Vsus TPVSUS 176V ± 2V VR351 (P) *
SC Board Vad TPVAD -90V ± 1V VR6801 (SC)
Vscn TPVSCN Vad+ 130V ± 4V Fixed
Vset TPVSET 225V ± 7V Fixed
SS Board Ve TPVE 150V ± 1V VR6250 (SS) *
Vda TPVDA 75V ± 1V Fixed
D, J Board White balance, 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.
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TH-50PHD8BK / TH-50PHD8BS / TH-50PHD8EK / TH-50PHD8ES