37LH7000, 37LH7020, 37LH7030 (CHASSIS:LD91D) - LG TV Service Manual (repair manual). Page 7

(1) Module optical specification

1) Standard Test Condition(The unit has been ‘ON’)
2) Stable for approximately 30 minutes in a dark environment at 25±2ºC
3) The values specification are at approximate distance 50Cm from the LCD surface.
4) Ta=25±2ºC, VLCD=12.0V, fV=60, Dclk=74.25MHz VBR_A=1.65V, ExtVBR_B=100%

(2) Chroma (PSM: Vivid, Color Temperature: Cool)

- except “RGB PC Mode PSM:Standard,Color Temperature:Medium”
**The W/B Tolerance is ±0.002 for Adjustment, but for DQA ±0.015

(3) SET Optical Feature

1) General feature

* Measurement Condition: Full white/Dynamic) -> Measure the black luminance after 30 seconds.

2) Special feature (Dynamic CR 15000:1)

- 7 -

No.

Item Specification 

Min.

Typ.

Max.

Remark

1.

Viewing Angle<CR>10>

Right/Left/Up/Down 

89/89

CR>10

89/89

2.

Luminance

Luminance (cd/m2)

400 

500

PSM:Vivid,CSM:Cool, 

White(100IRE)

Dynamic contrast :off

Dynamic color L off

Variation -

1.3 

MAX 

/MIN

3.

Contrast Ratio 

CR 

900

1300

All wihte/ All black

4.

CIE Color Coordinates

White

Wx

Typ 

0.279

Typ 

Wy

-0.03

0.292

+0.03

RED

Rx

0.639

Ry

0.334

Green

Gx 0.289

Gy 0.606

Blue

Bx 0.145

By

0.063

No Item 

Min

Typ 

Max 

Remark

1

Cool

White Balance,X axis

0.274 

0.276 

0.278

DQA : ±0.015

White Balance,Y axis 

0.281  

0.283  

0.285

DQA : ±0.015

2

Medium

White Balance,X axis 

0.283 

0.285 

0.287 

DQA : ±0.015

White Balance,Y axis 

0.291 

0.293  

0.295 

DQA : ±0.015

3

Warm

White Balance,X axis 

0.311 

0.313 

0.315 

DQA : ±0.015

White Balance,Y axis 

0.327 

0.329 

0.331 

DQA : ±0.015

No 

Item

Min

Typ.

Max

Inch

Power Board P/N

Remark

1

Dynamic CR

80000:1  100,000:1

-

37”

EAY58476001

HDMI 720p Full Black Pattern

(Only HDMI mode) 

(Min spec : Typ.x 80%)

No Item

Module

Luminance (min)

C/R(min)

Remark

AV,COMPONENT,HDMI AV,COMPONENT,HDMI

1

37 inch

LGD

400cd/m2

900 

except from the PC mode.