Output Function Is Abnormal; Fan Is Abnormal - Sony LMD-1420 Service Manual

3-6. Output function is abnormal

Output function is abnormal.
Replace the Q board.

3-7. Fan is abnormal

Fan is abnormal.
Are harness
and flexible flat cable
connected correctly?
Yes
Is there any fan that
operates normally?
Yes
Replace the abnormal fan.
Is the symptom improved?
No
Is the symptom
improved when another
BA board is installed?
No
Replace the GA board.
3-4
No
Connect the harness and
flexible flat cable correctly.
No
Replace the BA board.
Yes
No problem.
Yes
Replace the BA board.
LMD-1420/1410