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TFT-Display Datenblatt - Hy-Line

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3-2-2. Backlight Inverter<br />

Ver. 1.0<br />

Product Specification<br />

Inverter Connector : S14B-PH-SMC<br />

(manufactured by YeonHo) or Equivalent<br />

- Mating Connector : PHR-14 or Equivalent<br />

Table 5. INVERTER CONNECTOR PIN CONFIGULATION<br />

Pin No<br />

1<br />

2<br />

3<br />

4<br />

5<br />

6<br />

7<br />

8 GND Backlight Ground<br />

GND<br />

1<br />

9<br />

10<br />

11<br />

12<br />

13<br />

14<br />

Symbol<br />

VBL<br />

VBL<br />

VBL<br />

VBL<br />

VBL<br />

GND<br />

GND<br />

GND<br />

GND<br />

VBR-A<br />

VON/OFF<br />

VBR-B<br />

Status<br />

Backlight Ground<br />

Analog dimming voltage<br />

DC 0.0V ~ 3.3V (Typ : 1.65V)<br />

0.0V ~ 5.0V<br />

Description<br />

Power Supply +24.0V<br />

Power Supply +24.0V<br />

Power Supply +24.0V<br />

Power Supply +24.0V<br />

Power Supply +24.0V<br />

Backlight Ground<br />

Backlight Ground<br />

Backlight Ground<br />

Burst dimming voltage<br />

DC 0.0V ~ 3.3V<br />

Normal : Upper 3.0V<br />

Abnormal : Under 0.7V<br />

Inv.<br />

VBL<br />

VBL<br />

VBL<br />

VBL<br />

VBL<br />

GND<br />

GND<br />

GND<br />

GND<br />

VBR-A<br />

On/Off<br />

VBR-B<br />

Status<br />

Note<br />

2, 3<br />

3<br />

4<br />

LC370WXN<br />

Notes : 1. GND should be connected to the LCD module’s metal frame.<br />

2. If Pin #11 is open, VBR-A = 1.65V. When apply over 1.65V( ~ 3.3V) continuously,<br />

its luminance is increasing however lamp’s life time is decreasing.<br />

It could be usable for boost up luminance when using DCR (=Dynamic contrast ratio) function only.<br />

3. Minimum Brightness : VBR-B =0V Maximum Brightness : VBR-B = 3.3V<br />

4. Even though Pin #14 is open, there is no effect on inverter operating, The output terminal of inverter.<br />

5. Each impedance of pin #11,12 and 13 is 170[KΩ], 40[KΩ] , 60KΩ]<br />

◆Rear view of LCM<br />

14<br />

1<br />

…<br />

PCB<br />

…<br />

HY-LINE Computer Components / www.hy-line.de/computer<br />

9 / 34

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