26
for testing again.
4.9. PS2 Scanner cannot Scan
Causal analysis and resolution:
(1) Check the status of scanner ;
(2) Check if PS2 connector inserted in right place, push hard when you try to insert it.;
(3) PS2 socket may contacts poor after being used for a long time, please change a new PS2 socket;
(4) Check if the big cable between the communication board and the mainboard looses or drops;
(5) It may be the problem of communication board or circuit abnormalities of mainboard. Please
change a new communication board for testing, if it still doesn’t work, change a new mainboard
for testing again.
4.10. Telephone cannot be Used
Causal analysis and resolution:
(1) Check the status of telephone
(2) Check if the 6pin crystal connector of telephone becomes oxidized or dirty;
(3) Check if the 6pin socket becomes oxidized , dirty or out of shape;
(4) Check if the big cable between the communication board and the mainboard looses or drops;
(5) It may be the problem of communication board or circuit abnormalities of mainboard. Please
change a new communication board for testing, if it still doesn’t work, change a new mainboard
for testing again.
4.11. Password Keyboard and Connector cannot be Used
4.12. Causal analysis and resolution:
(1) check the status of keyboard
(2) Check if the 6pin crystal connector becomes oxidized or dirty;
(3) Check if the 6pin socket becomes oxidized , dirty or out of shape;
(4) Check if the big cable between the communication board and the mainboard looses or drops;
(5) It may be the problem of communication board or circuit abnormalities of mainboard. Please
change a new communication board for testing, if it still doesn’t work, change a new mainboard
for testing again.
4.13. Cannot Open the Drawer
Causal analysis and resolution:
Komentáře k této Příručce