LG RD-JT40/41 Service Manual

 

 

 

 

 

 

 

 

 

 

 

 

PT863

EM Character

EM Clear

 

 

 

Text

 

 

 

 

 

Movie

Video Essential

 

 

 

720p

PT2

Gray

0-100%

 

 

(H: 45.00KHz,

Master Pattern

H&V Res.

2 Line

 

 

60Hz, p)

 

Color

Hue, Sat need correct

 

 

 

 

Smear

Not acceptable

 

 

 

 

Linearity

As optical spec

 

 

 

 

Jitter, Swing,

Not Acceptable

 

 

 

 

Snack, Ring,

 

 

 

 

 

Cross-talk

 

 

 

1080I

PT2

Gray

0-100%

 

 

(H: 33.75Khz,

Master Pattern

H&V Res.

4 Line

 

 

30Hz, I)

 

Color

Hue, Sat need correct

 

 

 

 

Smear

Not acceptable

 

 

 

 

Linearity

As optical spec

 

 

 

 

Jitter, Swing,

Only interlace jitter

 

 

 

 

Snack, Ring,

acceptable

 

 

 

 

Cross-talk

 

(B) PC EE Check:

 

 

 

 

Equipment: Chroma 2250, CL-100

 

 

 

Aspect Ratio: 4:3

 

 

 

 

Channel

Prime

Timing

Pattern

Item

Criteria

 

Mode

 

 

 

 

DSB

*

1024*768@8

PT5

Gray

0-100%

 

 

5Hz

SMPTE 3

H&V Res.

1 Line

 

 

(68.677KHz,

 

Color

Hue, Sat need correct

 

 

84.997Hz)

 

Smear

Not acceptable

 

 

 

 

Linearity

As optical spec

 

 

 

 

Jitter, Swing,

Not Acceptable

 

 

 

 

Snack, Ring,

 

 

 

 

 

Cross-talk

 

 

 

 

PT48

Gray Check

32 Step

 

 

 

32 Gray

 

 

 

 

 

PT85

Character

Clear

 

 

 

Text

 

 

 

 

 

PT46

ColorTemp@80

 

 

 

 

10 Gray

%Gray

 

 

 

 

 

Cool (1)

(0.272,0.283) 0.02

 

 

 

 

Standard (2)

(0.281,0.311) 0.02

 

 

 

 

Warm (3)

(0.313,0.329) 0.02

 

 

 

Picture

Picture check

 

 

 

 

Phone Lady

 

 

 

 

640*400@70

PT2

Gray

0-100%

 

 

Hz

Master Pattern

H&V Res.

1 Line

 

 

(31.47KHz,

 

Color

Hue, Sat need correct

 

 

70.08Hz)

 

Smear

Not acceptable

 

 

 

 

Linearity

As optical spec

 

 

 

 

Jitter, Swing,

Not Acceptable

 

 

 

 

Snack, Ring,

 

 

 

 

 

Cross-talk

 

 

 

640*480@60

PT2

Gray

0-100%

 

 

Hz

Master Pattern

H&V Res.

1 Line

42