SainSmart tft 3.2 lcd display quit working.

// UTFT_ViewFont (C)2012 Henning Karlsen
// web: http://www.henningkarlsen.com/electronics
//
// This program is a demo of the included fonts.
//
// This demo was made for modules with a screen resolution
// of 320x240 pixels.
//
// This program requires the UTFT library.
//

#include <UTFT.h>

// Declare which fonts we will be using
extern uint8_t SmallFont[];
extern uint8_t BigFont[];
extern uint8_t SevenSegNumFont[];

// Uncomment the next line for Arduino 2009/Uno
//UTFT myGLCD(ITDB32S,19,18,17,16); // Remember to change the model parameter to suit your display module!

// Uncomment the next line for Arduino Mega
UTFT myGLCD(ITDB32S,38,39,40,41); // Remember to change the model parameter to suit your display module!

void setup()
{
myGLCD.InitLCD();

myGLCD.clrScr();
}

void loop()
{
myGLCD.setColor(0, 255, 0);
myGLCD.setBackColor(0, 0, 0);

myGLCD.setFont(BigFont);
myGLCD.print(" !"#$%&'()*+,-./", CENTER, 0);
myGLCD.print("0123456789:;<=>?", CENTER, 16);
myGLCD.print("@ABCDEFGHIJKLMNO", CENTER, 32);
myGLCD.print("PQRSTUVWXYZ[\]^_", CENTER, 48);
myGLCD.print("`abcdefghijklmno", CENTER, 64);
myGLCD.print("pqrstuvwxyz{|}~ ", CENTER, 80);

myGLCD.setFont(SmallFont);
myGLCD.print(" !"#$%&'()*+,-./0123456789:;<=>?", CENTER, 120);
myGLCD.print("@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_", CENTER, 132);
myGLCD.print("`abcdefghijklmnopqrstuvwxyz{|}~ ", CENTER, 144);

myGLCD.setFont(SevenSegNumFont);
myGLCD.print("0123456789", CENTER, 190);

while(1) {};
}
NOTE: It compiles with no problem.