Freerun Frequency Adjustment; Flicker Adjustment - Kenwood KVT-M707Y Service Manual

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KVT-M707/M707Y
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Freerun Frequency Adjustment

Adjustment Procedure
1. Timing Controller IC101
SYNC IN (pin1) TP154, HSYNC IN (pin2) TP153 and VDB
IN (pin5) TP149 are to be made no input. (Connect to GND.)
2. HSYNC frequency output from HOUT (pin6) TP148 is to be
measured with a frequency counter. At VR101, it is to be
adjusted to 15.734kHz±0.01kHz.

Flicker Adjustment

Condition
Video Source: VIDEO
Video: Luster white 30~50%
BRIGHT: MAX
MODE: ZOOM
Remote Controller Operation Method
: Final selection
DIRECT: End
7: Adjustment item switching
8: Adjustment value UP
0: Adjustment value DOWN
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L 13942296513
Adjustment Procedure
1. Press Chroma in the Test Mode Menu screen.
2. Luster white 30~50% will be displayed.
3. Place the flicker adjustment jig on the monitor and observe
the waveform with an oscilloscope.
4. Vary COM DC values, using UP/Down key of remote con-
troller.
Adjust so that the waveform oscillation width will be the mini-
mum.
5. After adjustment, press final selection key.
* When the final selection key is pressed, the OSD in upper
left corner will change its color to orange.
6. Then, press End key and when "Write OK" is displayed,
adjustment is complete.
Press End key once more to exit from COM DC adjustment.
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Oscilloscope Rate: 20mV, 0.5mS
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ADJUSTMENT
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8
Horizontal Display Start Position and
OSD Display Position Adjustment
Screen adjustment key: HPOSI
Go to te next adjustment screen
Return to the menu screen
OSD adjustment key
Horizontal screen position adjustment
Screen Adjustment Key (HPOSI): Horizontal display start
position adjustment of entire screen
Q Q
3
6 7
1 3
1 5
OSD Adjustment Key: Horizontal display start position ad-
justment of OSD only
About the video for adjustment screen
VIDEO1: Input Luster Blue
TV: Input Luster Blue
NAVI: Input KNA-DV3200
* K-destination: NTSC
E-destination: Use PAL video signal and TV Tuner BOX
For PAL TV tuner BOX, use E-destination.
* NAVI screen is NAVI Menu screen.
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Cancel
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