Initialization Pulse Adjust - Panasonic TH-65PF12EK Service Manual
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Also See for TH-65PF12EK:
- Specifications (3 pages) ,
- Operating instructions manual (64 pages)
Table of Contents
TH-65PF12EK
10.1.2. 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 VR16601 for 250V ± 10V.
10.1.3. P.C.B. (Print Circuit Board) exchange
10.1.3.1. Caution
1. To remove P.C.B., wait 1 minute after power was off for discharge from electrolysis capacitors.
10.1.3.2. Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
P.C.B.
P Board
Vsus
SC Board
Vad
Vscn
Vset
SS Board
Ve
D, DS, DN Board
White balance 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. 6.1.5)
*See the Panel Label.
Caution
Absolutely do not reduce Vsus voltage below Ve not to damage the P.C.B.
Test Point
Volume
TPSC1 (SC)
VR16601 (SC)
Name
Test Point
TPVSUS (SS)
TPVAD (SC)
TPVSCN (SC)
TPVSET (SC)
TPVE (SS)
Level
250V ± 10V
µs
at 100
period on the down slope.
Voltage
Vsus ± 2V
VR251 (P)
-155V ± 2V
VR16600 (SC)
Vad_base:+145V±4V
Fixed
GND_base: -10V±6V
290V ± 9V
Fixed
Ve ± 2.5V
Fixed
36
Volume
Remarks
*
*
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