Troubleshooting - Sony SAL135F28 Service Manual

Ver 1.2 2007.01
1-5.

TROUBLESHOOTING

1-5-1. Aperture Trouble
NG
Replace the
defective part.
Replace the defective part.
SAL135F28 (STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)
M aperture
Check operation of
the M aperture
operation ring.
Check the iris
OK
operation of M iris
control block.
NG
Function NG
A aperture
NG
Check operation of
the preset ring.
OK
Replace the
defective part.
Check the iris
operation of iris
control block.
NG
Replace the defective part.
1-3
Aperture trouble
F No. NG
Perform the aperture
NG
diameter check.
(See page 4-13.)
Perform the aperture
diameter adjustment.
(See page 4-17.)
Check operation of the
preset ring, and replace
OK
the defective part.
Perform the aperture
NG
diameter check.
(See page 4-13.)
END
OK
NG
OK