NL6448BC33-31D NEC, NL6448BC33-31D Datasheet - Page 7

• Manufacturer Part Number: NL6448BC33-31D
• Description: TFT Color LCD Module
• Manufacturer: NEC

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(2) Backlight
<Recommended Inverter connection>
• Lamp side connector
• Inverter side connector 1
• Inverter side connector 2
Pin No.
Pin No.
Pin No.
CN2 ··· BHR-03VS-1
CN1 ··· LZ-5P-SL-SMT
Note High luminance (100%): BRTHL = High or open
CN3 ··· IL-Z-3PL-SMTY
Notes 1. TTL level
1
2
3
1
2
3
1
2
3
2. <1> A way of luminance control by a variable resistor
Low luminance (60%): BRTHL = GND
Supplier: J.S.T TRADING COMPANY, LTD.
Supplier: Japan Aviation Electronics Industry Limited (JAE)
Supplier: Japan Aviation Electronics Industry Limited (JAE)
Symbol
Symbol
Symbol
GNDB
BRTC
BRTH
BRTL
V
V
Backlight ON : BRTC = High or open
Backlight OFF : BRTC = Low
<2> A way of luminance control by a voltage
V
V
V
DD
DD
H
H
L
B
B
This way works when BRTHL (No.5 pin) of CN1 is opened.
This way works when BRTHL and BRTL are opened. The range of input voltage between
BRTH and GNDB is as follows.
Minimum luminance (50%) : 2.5 V
Maximum luminance (100%): £ 1.2 V
BRTL
Backlight ground
Return terminal
High voltage terminal
High voltage terminal
Power supply
Power supply
Backlight ON/OFF signal Note 1
Luminance control input Note 2
Luminance control input Note 2
R
Function
Mating connector
SM03 (4.0)B-BHS-TB
Mating connector 1
LZ-5S-SC3
Mating connector 2
IL-Z-3S-S125C3
Function
Function
BRTH
Mating variable resistor
Minimum luminance (50%)
Maximum luminance (100%)
Pin No.
4
5
Symbol
BRTHL
GNDB
: 10 kW ±5%
: R = 0 W
: R = 10 kW
Backlight ground
Luminance select Note
NL6448BC33-31D
Function
7