HP mx703 Service Manual page 22

5-3 Function Key Abnormal
Page 20
Function Key Abnormal
Check I701 and
I703 missing?
No
Power
ON/OFF again and
check X701, oscillator
OK?
Yes
Check
I703 EEPROM content
OK?
Yes
Replace I701 and check
uP OK?
No
Check
pin 5 of I701
is 5V?
No
Replace I705, D703
Put on
Yes
I701, I703
Replace X701
No
Replace I703 or
No
do ATE again
Yes
Replace I701
Check
Yes
R775, R735
HP mx703/m703