DDX7015/7025/7035
DDX7045/7065
ADJUSTMENT
I Chroma IC Adjustment (X14-939)
Measurement
No.Adjustment ItemAdjustment MethodConditions
Locations (X14)
1DC/DC SW frequencyConnect a frequency counter to the No.8 pin of IC102 (Check land). TP925Input signal
Adjust frequency with VR1(The frequency will be notified later.)TP100 (GND) : None
2DVD output levelIn the replay mode, replay TDV-540 Title 2 Chapter 6.TP653
Observe the checkland with an oscilloscope and set the outputTP654 (GND)
level to 2Vp-p.
3ChromaGet into Chroma Adjustment Mode in the Test Mode.
3-AChroma VCOWhile operating with remote controller, measure the check landTP303
with frequency counter.TP944 (GND)
3-BBrightnessWhile operating with remote controller, measure the check landTP88510 step NTSC
3-CContrastwith frequency counter and observe the waveform.TP944 (GND) input to X34 AV IN
3-DBlack limiter
3-EWhite limiter
3-FY GCA (Brightness gain)
3-GGamma 1
3-HGamma 2
3-IR sub-brightnessTP884
TP944 (GND)
3-JB sub-brightnessTP886
TP944 (GND)
3-KR sub-contrastTP884
TP944 (GND)
3-LB sub-contrastTP886
TP944 (GND)
3-MV-COM frequency widthTP869
TP944 (GND)
Y For adjustment methods on 3-A~3-B, refer to chroma adjustment method.
Y As for remote controller operation method, refer to Remote Controller Operation Method.
I Remote Controller Operation Method at Chroma
Adjustment Test Mode
Remote controller uses is the TV/NAVI remote controller A4. Press PLAU-Y/PAUSE key and confirm on the setting value.
DIO mode.When confirmed, [CH : 16 VCO_FREERUN, VAL : 80] the
1. While pressing EJECT+SRC on the Unit (X14), press RE-color changes.
SET key to get into the Test Mode.When releasing the setting, press on PLAY/PAUSE key
2.By operating on the TEST MODE MENU screen, get intoagain. When released, the color changes.
the Chroma ADJ mode.5.Use 7, 9 keys on the 10 key to set the next one. The CH
At this time, on the upper left corner of the screen [CH :value changes in the upper-left cor 16ner. Repeat the same
VCO_FREERUN, VAL : 80] OSD display is made. HEX dis-for Item 3 to 5.
play.6.When all adjustments are complete, press DIRECT key,
3.Use 8, 0 on the 10 key to change the setting value. which wrThe, theites the adjustment values to E2PROM. At the same
VAL number on upper-left corner of the screen changestime., it is possible to move out of the Chroma Adjustment
mode.
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ACEC
KENWOOD
