Apple 2009 iMac - Page 80

iMac (21.5-inch, Late 2009) Symptom Charts — Input/Output Devices 80
2010-11-18
4. After clicking “Unpair”, verify if
the computer now responds to
the Apple Remote.
Yes Pairing issue. Issue resolved.
No Possible IR board issue.
Go to step 5.
5. Open System Proler. Verify if
“IR Receiver” is listed in USB list
of devices.
Yes IR board reporting on USB
bus. Check for lens block.
Go to step 6.
No Inspect and reseat IR cable
connection to logic board.
Go to step 7.
6. Check that IR board is correctly
tted and aligned with Apple
window and that lens is not
blocked by any foreign material
and re-test. Verify if computer
responds to Apple Remote.
Yes Lens blocked or sensor not
aligned with window. Issue
resolved.
X03
No Lens damaged or inoperable.
Replace IR board. Go to step 7.
7. After reseating or replacing
IR board, verify if “IR Receiver”
is listed under USB in System
Proler, and that computer now
responds to Apple Remote.
Yes IR module reseated/replaced.
Issue resolved.
X03
No If IR board was only reseated,
replace IR cable. Go to step 8.
8. After replacing IR cable, verify
if “IR Receiver” is listed under
USB in System Proler, and that
computer now responds to
Apple Remote.
Yes IR cable replaced. Issue
resolved.
X03
No Replace IR board. Go to step 9.
9. After replacing IR board, verify
if “IR Receiver” is listed under
USB in System Proler, and that
computer now responds to
Apple Remote.
Yes IR board replaced. Issue
resolved.
X03
No Replace logic board. M23