Sony SAL50M28 Service Manual ▷ View online
HELP
SAL50M28 (MACRO 2.8/50) (50mm F2.8 Macro)
HELP24
1.
Attach the flexible substrate setting tape A fitting the chipped corner to the screw hole and line-A.
2.
Attach the flexible substrate setting tape D at the designated point.
HELP25
Attach the friction sheet B (to the shaded area) from the position-A as shown in the figure (horizontal tolerance:
±10mm).
Fixed Barrel Unit
Friction Sheet B
A
Reference portion
Fixed Barrel Unit
Flexible Substrate Setting Tape A
Flexible Substrate Setting Tape D
A
HELP
SAL50M28 (MACRO 2.8/50) (50mm F2.8 Macro)
HELP26
1.
Attach the flexible substrate setting tape B to the backside of the main flexible block aligning the edge of the flexible substrate setting
tape B to the line-B of the main flexible block.
2.
Fold the main flexible block at the reference lines as shown in the figure.
3.
Attach the main flexible block to the fixed barrel.
Outside: Align the line-A of the main flexible block with the line-a of the fixed barrel.
Inside: Align the line-B of the main flexible block with the line-b of the fixed barrel.
Fixed Barrel Unit
Screw hole
a
Fixed Barrel Unit
b
Valley chip box
Main Flexible Block
Mountain chip box
A
B
Flexible Substrate Setting Tape-B
HELP
SAL50M28 (MACRO 2.8/50) (50mm F2.8 Macro)
HELP27
Cut the polyester tape (Black) 10 mm for 7
×100 mm, attach the polyester tape (Black) 10 mm fitting its upper side to the edge of the fixed
barrel on the mount side.
HELP28
Anti-diffusion agent (A-20): J-6082-611-A
1.
Apply the anti-diffusion agent (A-20) to the shaded area of the focus scale plate.
2.
Attach so that the scratch line of the focus scale plate and reference line of the focus ring are aligned.
Reference line
(It separates from the
end of R 1 to 2 mm)
(It separates from the
end of R 1 to 2 mm)
Fixed Barrel Unit
Apply the anti-diffusion
agent(A-20)
agent(A-20)
Reference line
Reference line
Fixed Barrel Unit
Scratch line
Focus Scale Plate
About 2 mm
HELP
SAL50M28 (MACRO 2.8/50) (50mm F2.8 Macro)
HELP29
Adhesive bond (B-40): J-6082-614-A
Adhesive bond (B-10): J-6082-612-A
1.
Apply the adhesive bond (B-40) to the two screws and install the brush base to the A encoder brush.
2.
Install the A encoder brush to the designated position. Turn the barrel to infinity so that no flex pattern underlies.
(Temporary installation: A encoder brush position adjustment is necessary before fixing.)
3.
After the brush position adjustment is completed, apply the adhesive bond (B-10) to the two screws.
Apply the
adhesive bond
(B-40)
adhesive bond
(B-40)
Apply the adhesive bond (B-10)
A Encoder Brush
FPC Pattern
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