NL6448BC33-53
3. BLOCK DIAGRAM
Host
LCD module (Product)
R0 to R5
G0 to G5
B0 to B5
100Ω
100Ω
100Ω
CLK
Hsync
100Ω
100Ω
100Ω
Vsync
100Ω
DE
47kΩ
DPS
8.2kΩ
GND
Note1
Note2
VCC
Fuse
Power supply
for gradation
DC/DC
converter
H-driver
1,920 lines
LCD panel
H: 640 × 3 (R,G,B)
V: 480
FG
Note1
Note2
VDDB
LCD panel signal processing board
VBLH
Backlight (Edge light type)
Lamp
GNDB
Note1
Note2
Backlight inverter
(Option)
VBLH
VBLC
Note1
Lamp
Metallic frame of lamp holder
Note1: Connections between GND (Signal ground), FG (Frame ground) and VBLC (Lamp low voltage terminal)
in the LCD module
GND - FG
Not connected
GND - VBLC
Not connected
FG - VBLC
Not connected
Note2: These grounds should be connected together in customer equipment.
PRELIMINARY DATA SHEET DOD-M- 1309 (2nd edition)
6