LK520D3LZ19 Sharp Electronics, LK520D3LZ19 Datasheet - Page 12

• Manufacturer Part Number: LK520D3LZ19
• Manufacturer: Sharp Electronics

Specifications of LK520D3LZ19

• Lead Free Status / Rohs Status: Compliant

4-3. Backlight driving
CN3 (Inverter control and +24V DC power supply)
CN4 (+24V DC power supply)
【Note 1】 Inverter ON/OFF
【Note 2】Brightness control
Using connector: S14B-PH-K-SB(LF) (J.S.T. Mfg Co.,Ltd.)
Mating connector: PHR-14 (J.S.T. Mfg Co.,Ltd.)
Using connector: S14B-PH-K-SB(LF) (J.S.T. Mfg Co.,Ltd.)
Mating connector: PHR-14 (J.S.T. Mfg Co.,Ltd.)
*GND of an inverter board is not connected to GND of a module chassis and a liquid crystal panel drive part.
*GND of an inverter board is not connected to GND of a module chassis and a liquid crystal panel drive part.
Pin No.
Pin No.
Pin No.12 is used for the control of the Inverter ON / OFF.
PWM brightness control is regulated by analog input voltage (0V to 3.3V)..
10
11
12
13
14
10
11
12
13
14
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
Input voltage
Input voltage
3.3V
3.3V
0V
0V
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Symbol
Symbol
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
V
V
V
V
V
V
V
V
V
V
V
V
INV
INV
INV
INV
INV
BRT
INV
INV
INV
INV
INV
ON
(Shown in Fig.1)
For LCD module internal usage, should be open
For LCD module internal usage, should be open
For LCD module internal usage, should be open
For LCD module internal usage, should be open
For LCD module internal usage, should be open
For LCD module internal usage, should be open
Brightness Maximum (Bright)
Brightness Minimum (Dark)
Brightness Control
Inverter ON/OFF
Inverter : OFF
Inverter : ON
(Shown in Fig.1)
Function
Function
Function
Function
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
24V
24V
24V
24V
24V
24V
24V
24V
24V
24V
【Note 1】
【Note 2】
Remark
Remark
LD- 18952-9