Initialization Pulse Adjust - Panasonic TH-37PR11UK Service Manual

TH-37PR11UK / TH-37PR11UH
9.1.2.

Initialization Pulse Adjust

1. Set Aging pattern (white pattern signal) by IIC mode.
2. Set the picture controls as follows.
Picture menu: Standard
Picture: +25
Aspect: Full
3. Connect Oscilloscope to TPSC1 and adjust VR6602 for 210 ± 10V.
TPSC1 (SC)
9.1.3. P.C.B. (Print Circuit Board) exchange
9.1.3.1. Caution
1. To remove P.C.B., wait 1 minute after power was off for discharge from electrolysis capacitors.
9.1.3.2. Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
P.C.B.
P Board Vsus
PFC
SC Board Vad
SS Board Ve
D, DS, DN Board White balance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
DN Board Set Market Select Number to correct destination by MS mode. (See chap. 6.1.4)
*See the Panel Label.
Caution
Absolutely do not reduce Vsus voltage below Ve not to damage the P.C.B.
Test Point Volume
VR6602 (SC) 210 ± 10V
at 100
Name Test Point
TPVSUS (SS)
C446 (+) (-) (P)
TPVAD (SC)
TPVE (SS)
Level
µs
period on the down slope.
Voltage Volume
Vsus ± 2V R628 (P)
396V ± 0.5V R443 (P)
-149V ± 1V VR6600 (SC)
Ve ± 1V VR6000 (SS)
28
Remarks
*
*