66
SERVICE ADJUSTMENTS
2.18 SUB PICTURE ADJUSTMENT
Adjustment procedure
(1) Display sub
Picture
on
the
screen.
Receive SYSTEM
B.G
Phillips pattern in Main picture
Receive SYSTEM
D.K
Phillips pattern in Sub picture
(2) Observe P852 on the CPT P.W.B. and change the SUB CONTRAST (Item No. 59) of service mode
by using jig R/C and adjust so that the amplitude of the sub-picture is the same as that of the
main-picture.
(3) Press “ENTER” key to write the data.
* Adjustment specification :
±
1V
* Quality control specification :
±
3V
* Wave form of P852 = Cathode
(Sub picture level compared with main picture level)
* Perform this adjustment after the white balance and sub-brightness adjustments of the main
picture are completed.
* White balance 14000K
±
0 MPCD
(Color coordinates: x=0.266 y=0.270)
1H
CATHODE WAVE FORM
WHITE
(CATHODE VOLTAGE)
MAIN PICTURE
Summary of Contents for C43-FD7000
Page 72: ...72 SERVICE ADJUSTMENTS SIGNAL SUB P W B IG02 IG03 IG04 IQ01 IQ02 IR01 Rear view IG01 I R 0 2 ...
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Page 170: ...SIGNAL SIDE A P W B ...
Page 171: ...SIGNAL SIDE B P W B ...
Page 172: ...SIGNAL SUB SIDE A P W B ...
Page 173: ...SIGNAL SUB SIDE B P W B ...
Page 174: ...TUNER SIDE A P W B ...
Page 175: ...TUNER SIDE B P W B ...
Page 176: ...AUTO POWER AV INPUT CONVER SENSOR SW P W B ...
Page 177: ...CPT CONTROL AV NET LED P W B ...
Page 178: ...POWDEF P W B ...
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