Initialization Pulse Adjust; Printed Circuit Board) Exchange - Panasonic TH-37PX60U Service Manual

TH-37PX60U / TH-42PX60U

10.2. Initialization Pulse Adjust

1. Input the White signal to plasma video input.
2. Set the picture controls as follows.
Picture menu : Vivid
Picture : +25
Aspect : Full
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
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
T2 TPSC1 (SC)
Name Test Point
Vsus TPVSUS (SS)
Vdat P12-1, 5 (P)
PFC C446 (+) (-) (P)
Vlow C555 (+) (-) (P)
Csus TPVSUS (SS)
Vad TPVAD (SC)
Ve TPVE (SS)
White blance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
Volume
VR6602 (SC) 195 ± 10µ Sec
Voltage
Vsus ± 2V R628 (P)
75.5V ± 0.1V R665 (P)
396V ± 0.5V R443 (P)
78.5V ± 0.1V R661 (P)
180V ± 0.5V R671 (P)
-105V ± 1V VR6600 (SC)
Ve ± 2V VR6000 (SS)
36
Level
Volume Remarks
*
Vda load current : 0.4A
Vsus load current : 1.4A
*