DDX7015/7025/7035
DDX7045/7065
ADJUSTMENT
I Chroma Adjustment Method
Y While pressing on EJECT+SRC on the Unit (X14), pressY At this point, in the upper left corner of the screen, OSD
RESET to enter the Test Mode. (Refer to Remote Controllerdisplay of CH : 16, VAL : 80 HEX will appear. (Refer to Re-
Operating Method 1.)mote Controller Operating Method 2.)
Y Press DIRECT key on the TV remote controller and get intoY Then, the following adjustment should be conducted. (Re-
the Chroma Adjustment mode. (Refer to Remote Controllerfer to Remote Controller Operating Method 3 to 5.)
Operating Method 3.)Y After adjusting for each item, press PLAY/PAUSE key to
confirm on the selection. (Refer to Remote Controller Oper-
ating Method 4.)
No. Adjustment ItemTest ModeAdjustment MethodAdjustment ValueCondition
3-AChroma VCOCH : 16 Using the jig, connect to GND the TP-HD (R382 between R383)?50Hz K Input signal: 15.734
and TP-VD (R380 between R381).E,M : 15.625?50Hz : None
Adjust the IC303 32pin waveform, using a frequency counter.
3-BBrightnessCH : 6Monitor the TP (CN850 59pin) waveform, using an oscilloscope?0.05V.Input signal3.2V
Adjust the amplitude value so that the waveform between the: 10 step (NTSC)
1 step signal to the negative 1 step signal.1Vpp V/S ratio
3-CContrastCH : 13 Monitor the TP (CN850 59pin) waveform, using an oscilloscope?0.05V. : 7 : 3 (753.0V& at
Adjust the amplitude value so that the waveform between theterminal)
8 step signal to the negative 8 step signal.X34 AVIN input
3-DBlack limiterCH : 5Keep 7F and confirm and then move to the next item.Oscilloscope r7Fange
3-EWhite limiterCH : 10 Keep 7F and confirm and then move to the next item.7F: 500mV/DIV AC
3-FY GCACH : 2Monitor the TP (CN850 59pin) waveform, using an oscilloscope?0.05V .2.45V
(Brightness gain)Adjust the amplitude value so that the waveform between the
pedestal to the 9 step signal.
3-GGamma 1CH : 11 Monitor the TP (CN850 59pin) waveform, using an oscilloscope?0.05V.1.1V
Adjust the amplitude value so that the waveform between the
pedestal to the 2 step signal.
3-HGamma 2CH : 12 Monitor the TP (CN850 59pin) waveform, using an oscilloscope?0.05V.3.4V
Adjust the amplitude value so that the waveform between the
pedestal to the 10 step signal.
3-I R sub-brightnessCH : 8Monitor the TP (CN850 58pin and 59pin) waveform, using an?0.05V0.1V
oscilloscope.
It is adjusted so that 58pin signal level higher 0.1V than 59pin
signal (for 1 step signal).
3-JB sub-brightnessCH : 9Monitor the TP (CN850 60pin and 59pin) waveform, using an?0.05V0.1V
oscilloscope.
It is adjusted so that 60pin signal level higher 0.1V than 59pin
signal (for 1 step signal).
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ACEC
