Initialization Pulse Adjust; Printed Circuit Board) Exchange - Panasonic TH-65PX600U Service Manual

TH-65PX600U

11.2. Initialization Pulse Adjust

1. Input the White signal to plasma video input.
2. Set the picture controls as follows.
Picture menu : Vivid
Normal : Set
Aspect : Full
3. Connect Oscilloscope to TPSC1 (SC).
Check that the flat section is less than 40µ Sec and adjust VR6602 for 160+10µ Sec.
11.3. P.C.B. (Printed Circuit Board) exchange
11.3.1. Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
11.3.2. Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
P.C.B.
P Board
SC Board
SS Board
D, DG Board
*See the Panel label.
Caution:
Absolutely do not reduce Vsus below Ve not to damage the P.C.B.
Test point
T1 TPSC1 (SC)
T2 TPSC1 (SC)
Name Test Point
Vsus TPVSUS (SS)
Vad TPVAD (SC)
Ve TPVE (SS)
White blance and Sub brightness for NTSC, PAL, HD, PC and 625i signals
Volume
--- T1 < 40µ Sec
VR6602 (SC) 160 ± 10µ Sec
Voltage
Vsus ± 2V VR251 (P)
-90V ± 1V VR6600 (SC)
Ve ± 2V VR6000 (SS)
38
Level
Volume Remarks
*
*