Initialization Pulse Adjust; Printed Circuit Board) Exchange - Panasonic TH-58PH10UK Service Manual

TH-58PH10UK
8.2.

Initialization Pulse Adjust

1. Set Aging pattern 0 (Vset adjustment pattern) by IIC mode.
2. Set the picture controls as follows.
Picture menu: Standard
Picture: +25
Aspect: Full
3. Connect Oscilloscope to TPSC1 (T2) and adjust VR6602 for 185±10µ Sec.
8.3. P.C.B. (Printed Circuit Board) exchange
8.3.1. Caution
1. To remove P.C.B., wait 1 minute after power was off for discharge from electrolysis capacitors.
8.3.2. Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
P.C.B.
P Board
SC Board
SS Board
D, DS, DN Board
DN Board
*See the Panel label.
Caution:
Absolutely do not reduce Vsus voltage below Ve not to damage the P.C.B.
Test point
T2 TPSC1 (SC)
Name Test Point
Vsus TPVSUS (SS)
Vad TPVAD (SC)
Vbk TPVBK (SC)
Ve TPVE (SS)
White balance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
Set Market Select Number to correct destination by MS mode. (See chap. 9.1.4)
Volume
VR6602 (SC) 185 ± 10µ Sec.
Voltage
Vsus ± 2V VR251 (P)
-100V ± 1V VR6600 (SC)
155V ± 1V VR6604 (SC)
Ve ± 1V VR6000 (SS)
22
Level
Volume Remarks
*
*