Flow chart of trouble shooting
5-12
5-7 Key Data Input
Check Initial operation
Replace the PBA
Are
the pin 1, 3, 5 and 7
of CN211 low?
When
one of the keys is pushed,
one of pin 1, 3, 5 and 7 of CN211
is high ?
Key PCB is OK ?
Resolder pin 1, 3, 5 and 7
of CN211
END
Replace the Key PCB
Yes
No
Yes
Yes
Yes
No
No
Содержание SGH-N620
Страница 2: ...Samsung Electronics Co Ltd Printed in Korea 12 2001 Rev 1 0 GH68 02583A ELECTRONICS ...
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