Service adjustments, Fig. 7 – Sanyo VM-6614 User Manual

Page 25

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background image

– 7 –

ADJUSTMENT
ITEM

TIMING
PATTERN

SETTING

VR
LOCATION

ADJUSTMENT PROCEDURE

VERTICAL
LINEARITY
ADJUSTMENT

HORIZONTAL
HOLD AD-
JUSTMENT

GEOMETRICE
DISTORTION
PATTERN
ADJUSTMENT

VIDEO
CENTERING
ADJUSTMENT

VIDEO TILT
ADJUSTMENT

HORIZONTAL
WIDTH AD-
JUSTMENT

VERTICAL
SIZE ADJUST-
MENT

VERTICAL
HOLD AD-
JUSTMENT

NTERLACE
ADJUSTMENT

RASTER
ADJUSTMENT

FOCUS
ADJUSTMENT

PATTERN GENERATOR
MODE CROSS-HATCHED
PATTERN

PATTERN GENERATOR
MODE CROSS-HATCHED
PATTERN

PATTERN GENERATOR
MODE CROSS-HATCHED
PATTERN

PATTERN GENERATOR
MODE MONOSCPE
PATTERN

PATTERN GENERATOR
MODE CROSS-HATCHED
PATTERN

PATTERN GENERATOR
MODE MONOSCPE
PATTERN

PATTERN GENERATOR
MODE MONOSCPE
PATTERN

PATTERN GENERATOR
MODE MONOSCPE
PATTERN

CAMERA SIGNAL

DISCONNECT VIDEO
SIGNAL AND
PATTERN GENERATOR
MODE FULL-WHITE
PATTERN

PATTERN GENERATOR
MODE MONOSCPE
PATTERN

Adjust VR303 to make equal distance
between top-center and bottom-center.

Turn off horizontal sync. (pin to ground)
Adjust VR401 to make pattern upright.

Adjust eigth magnets on the deflection
yoke make picture to the best condition.

The video is centered by roating the two
small at the rear of the yoke.

Loosen the screw on the rear of deflection
yoke, rotating the yoke to correct position
tighten the screw.

Adjust L402 to make picture width within
"2" position.

Adjust VR302 make height to "1.5"
position.

Adjust VR301 to make pattern stop rolling.

Adjust VR301 have gap of vertical scan
line distinguish clearly.

Adjust VR402 to the suitable brightness.

Adjust VR404 have control picture and 4
corners to be distinguished.

VR303

VR401

L402

VR302

VR301

VR301

VR402

VR404

2. SERVICE ADJUSTMENTS

1 3 5 7

7 5 3 1

1
3
5

1
3
5

5
3
1

5
3
1

Fig. 7

CONTRAST VR
AND BRIGHT
VR TO CENTER.

CONTRAST VR
AND BRIGHT
VR TO CENTER.

CONTRAST VR
AND BRIGHT
VR TO CENTER.

CONTRAST VR
AND BRIGHT
VR TO CENTER.

CONTRAST VR
AND BRIGHT
VR TO CENTER.

CONTRAST VR
AND BRIGHT
VR TO CENTER.

CONTRAST VR
AND BRIGHT
VR TO CENTER.

CONTRAST VR
AND BRIGHT
VR TO CENTER.

CONTRAST VR
AND BRIGHT
VR TO CENTER.

CONTRAST VR
AND BRIGHT
VR TO MAX.

CONTRAST VR
AND BRIGHT
VR TO CENTER.

I

i n d ex

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