NEC LCD1501-BK Service Manual page 73

BLOCK DIAGRAM INTERFACE BOARD
R,G,B
IC203
H sync.
V sync.
DDC SDA
DDC SCL
INVERTER control signal
DC TO DC
IC601
12V I/P
TL494
ADC
H
SCALER
IC401
V
SAA6713AH
SDASCL
12MHz;
X101
UP
IC101
NT68F632
3.3V O/P
2.5V O/P
2.5V
REG.
IC402
R,G,B DATA
PCLK,DE,H,V
25MHz;OSC
EEPROM
X401
IC102
24C16
9-1
LVDS SIGNAL
Panel Vcc
Switch
3.3V
IC302
HAT1053