FGZ000UF2
4
Ref. No.
Application / Function
Operation / Condition / Compatibility
Q70,71
Low voltage power supply
7.5V power supply SW (ACC : ON).
Q700~702
Audio connection detection
When audio is connected, Q700 is ON.
Q800
Parking detection
ON when vehicle is parking.
Q801
Vehicle speed detection
ON when vehicle speed pulse is input.
Q802
Reset input
System
µ
-com is reset when Q802 is ON.
Q803
ACC detection
ON when vehicle ACC is ON.
Q804
Ignition detection
ON when vehicle ignition is turned ON.
Q805
Reverse detection
ON when vehicle is reversed.
Q806
Small detection
ON when vehicle small light is turned ON.
Q807~811
Key Illumination light adjustment
In accordance with PWM duty, Illumination VCC (7V) is output.
power supply regulator
●
ELECTRIC UNIT (X25-9410-11)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC2
PLL oscillation IC
Clock signal for graphic display.
IC3
Inverter
Dot clock inverter.
IC4
Graphic controller
Graphic display control.
IC5
Graphic controller work RAM
Work area of graphic controller.
IC6
Video signal D/A conversion
Converts the 8-bit signal from graphic controller to RGB signals.
IC7
Inverter
DACK signal inverter.
IC10
OR gate
OR output of 2 write enable signals.
IC11
Graphic
µ
-com work RAM
Work area of graphic
µ
-com.
IC12
Graphic
µ
-com
Graphic display control.
IC19
Display program, display bitmap data
Storage of graphic display data and program data.
IC20
Inverter
Synchronization signal inverter.
IC22
Inverter
Graphic display area inverter.
IC23
AND gate
Reset timing compensation.
IC26
3-terminal regulator
Conversion from 8.5V to 5V.
IC27
Inverter
Synchronization signal inverter.
Q2~5
Touch panel voltage detection
Voltage detection at touch panel ON.
●
VIDEO UNIT (X35-4252-71)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC31
Switching regulator
For backlight 7.5V power supply.
IC101
Ope amp
Oscillation circuit low-pass output.
IC102
Timing controller
LCD driver IC.
IC200,201
Video switch
Input video signal switching.
IC202
Synchronization separation
Separation of input video signals into horizontal and vertical synchronization.
COMPONENTS DESCRIPTION