Acer 9971 Manuel de service télécharger pdf (Page 43)

Acer Acer –LCD-X193HQ

48

04 Troubleshooting

4.1 No Power & LED Off

No power

Check primary

rectifier voltage

Check IC802,

C805, T801,

Check

circuit if

short

Check F801, P801,

RT801, D801

Check pin2 of

IC802 voltage

about 16V

CheckC815,D806,

Check pin1 of IC802

voltage about 9.0V

Check primary OVP,

OLP and secondary

feedback, OVP

circuit

Check pin1 of IC802

voltage is below

1.5V

Check R803, R807,

R824, R825,R812

END

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 65 66

Commentaires sur ces manuels

Pas de commentaire