Kenwood DDX 7037 Service Manual

Page 2

DDX6027/6027Y/7017
DDX7037/7047/7067

NOTES ON ASSEMBLING THE MECHANISM

1. Fasten Screw A so that the interval (a) will be about 5.2mm
and the interval (b) will be about 2.6mm (The interval (a)
can be measured using a pair of vernier calipers or similar
tools.)

2. Turn B so that Position (0) will come at about the center of
interval (d).

3. Then, play the test disc and fine tune A or B so that the jitter
value would be minimized.

Page 38

DDX6027/6027Y/7017
DDX7037/7047/7067

38

ADJUSTMENT

3. Freerun Frequency Adjustment (X35: VR301)

Measurement Location
Adjustment
No. Adjustment Method Timing controller 1 DIN 2D|N Adjustment Value
Location
ICSOI X35-448 X35458
1 Set TP ot NVD TP as no input NVD (21pm) TP363B TP55
and connect to PON3.3V.
Set TP of NHD TP as no input and NHD (22pin) TP304B TP17
connect to PON3.3V.
2 Adjust frequency of HSYNC with NDSH (9pin) TP307B TP106 VR301 15.734kHZt0.01kHZ
a frequency counter. (NTSC type)
15.625kH2i0.01kHZ
(PAL type)

4. Flicker Adjustment (X35: VR203)
Condition (As usual)

Video source: VIDEO

Video: Luster white 30~50°/a

BRIGHT: MAX

MODE: ZOOM

Ad'ustment Procedure
1. Set to the above condition.

2. Vary VR203 and adjust so that the side width that appear
on screen top would become smallest.

5. Horizontal Display Start Position and
OSD Display Position Adjustment

7 Screen adjustment key: HPOSI i

Go tote next adjustment screen

Next
|:| Witt

|:|

OSD

|::| 94 X

i

l
Return to the menu screen

OSD adjustment key

|:|

Horizontal screen position adjustment

Screen Adjustment Key (HPOSI)

: Horizontal display start position adjustment of entire screen
OSD Adjustment Key

: Horizontal display start position adjustment of OSD only

About the video for ad'ustment screen
DVD: Monoscope (TDV-540A, Title :2. Chapter : 16)
TV: Monoscope
VIDEOt: Monoscope
Navigation: Input KNA-DV3200
* For NTSC area destination: NTSC video
For PAL area destination : PAL video
96 As for TV tuner Box, use the TV Tuner Box suited for each
destination.
* NAVI screen is NAVI Menu Screen.

Ad'ustment Procedure
1. Press HPOSI on Test Mode Menu Screen.

2. Adjust HPOSI display start position of the following five;
Graphic/DVD/TV/VIDEC/Navigation.

3-1. Graphic
Use OSD key to adjust so that background is not seen on
both sides of screen.
HPOSI key is not to be used. Pay attention not to used it. as
it can be operated on.

NG NG OK