Mic ETS2228 Manual do Utilizador descarregar pdf (Página 31)

ETS2228 Maintenance Manual

2、Initialization fault maintenance procedure

Figure 12 Initialization fault maintenance procedure

YES

power-on and startup

Is the voltage of pin 10 of

J404 is 2.84V

？

Check if the clock output of pin

3 of X501 is 19.2MHz.

Check if the clock signal on the

channel of X501 is normal.

End

Any 19.2MHz clock signal

on E17 of U701?

Any clock signal on

TP801?

Is LCD normal?

Download software again or

replace TCPU.

Check the LCD interface signal of

PIPU and restore the LCD.

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Mic ETS2228 Manual do Utilizador Página 31