HP CRT Monitor s7500 Service Manual page 22

5-3 Function Key Abnormal
Function Key Abnormal
Check I701 and
I703 missing?
Power
ON/OFF again and
check X701, oscillator
OK?
Check
I703 EEPROM content
OK?
Replace I701 and check
uP OK?
Check
pin 5 of I701
is 5V?
Replace I705, D703
Page 20
Yes
No
No
Yes
No
Yes
Yes
No
Yes
No
HP S7500/MV7500/CV7500
Put on
I701, I703
Replace X701
Replace I703 or do
ATE again
Replace I701
Check
R775, R735