Panasonic TH-50PM50U, Service Manual, Page: 33 / 151

11.3. Sub bright adjustment
Measuring
instrument Name of measuring instrument Connection Remarks
NTSC signal generator Input terminal
Adjustment Steps Remarks
[Conditions]
·
· ·
·
White balance adjustment is finished for each signal.
· · · ·
Do adjustments in a dark room.
1. Input the pattern for adjusting subbright from the NTSC signal
generator.
2. Use " SUB-BRT " in W/B Adj. together so the top part of the step
section faintly shows, and the center part of the step section is fades
away in the below diagram.
Image menu:
VIVID
COLOR TEMP: COOL
ASPECT: FULL
11.4. ABL operation level adjustment
Measuring
instrument Name of measuring instrument Connection Remarks
1. HD signal emitter
(complexed color bar)
2. Wattmeter
COMPONENT input terminal
Connect the AC power of the
adjustment set to the
wattmeter.
Adjustment Steps Remarks
[Conditions]
· · · ·
Make sure the set is aged for 30 minutes or more before adjustment.
(Do not switch off during or after aging.)
· · · ·
Voltage 120V 50/60Hz (variation within 1%)
·
· ·
·
Volume at minimum and screen size at "FULL"
Setting
Component input, Pic Menu: Vivid, Normal:Set
1. Connect the set´s AC power to the wattmeter.
2. Input the 1080i complexed color bar. (upper: color bar, lower: 10 step)
3. Select "APLMULT" in "WB-ADJ" of service mode.
4. Adjust "APLMULT" so the set´s power consumption is
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TH-50PM50U