Initialization Pulse Adjust; Printed Circuit Board) Exchange - Panasonic TH-42PV600 Service Manual

TH-42PX600U

11.2. 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.
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
P.C.B.
P Board Vsus
Vdat
PFC
Vlow
Csus
SC Board Vad
SS Board Ve
D, DG Board White blance 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)
Name Test Point
TPVSUS (SS)
P12-1, 5 (P)
C446 (+) (-) (P)
C555 (+) (-) (P)
TPVSUS (SS)
TPVAD (SC)
TPVE (SS)
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)
38
Level
Volume Remarks
*
Vda load current : 0.4A
Vsus load current : 1.57A
*