DOWNLOAD Sony SAL20F28 Service Manual ↓ Size: 854.58 KB | Pages: 47 in PDF or view online for FREE

Model
SAL20F28
Pages
47
Size
854.58 KB
Type
PDF
Document
Service Manual
Brand
Device
Digital Camera
File
sal20f28.pdf
Date

Sony SAL20F28 Service Manual ▷ View online

HELP
SAL20F28 (2.8/20) (20mm F2.8)
HELP12
Adhesive bond (B-40): J-6082-614-A
1.
Install the inner tube block to the cam ring unit set so that the relationship between them meets the position as shown in the figure.
2.
Select the guide roller suitable for the width of the groove on the cam ring unit. Apply the adhesive bond (B-40) to the guide pin, and
pass the selected guide roller through the guide pin, and then tighten it. (Tighten the three guide pins into three places.)
3.
Check that the fixed cam ring rotates smoothly, and inner barrel moves smoothly.
Pin of the aperture operation plate unit
Cam Ring Unit
Inner Barrel
(
 position)
Apply the adhesive bond
 (B-40)
Inner Barrel
Cam Ring Unit
Guide Roller
Guide Pin
Apply the adhesive bond
 (B-40)
Apply the adhesive bond
(B-40)
HELP
SAL20F28 (2.8/20) (20mm F2.8)
HELP13
1.
Align of “/” of “2.8/20” of the front ornamental plate with range index, and stick the front decoration plate onto the decoration ring.
2.
Remove the masking tape of the front decoration plate.
Note:
Tolerance: 
±2.5° = ±1 mm
HELP14
Oil (O-20): J-6082-610-A
Apply small amount of oil (O-20) to the instruction portion of the main spring.
Aplly small amount(O-20)(On contact area)
Masking Tape
Front Decoration Plate
Decoration Ring
Range Index
Ver 1.2  2007.05
3-1
SAL20F28 (2.8/20) (20mm F2.8)
2
4
X
T
(See Page 3-3.) 
(Note 1) 
(8x40mm) 
(Note 1) 
(8x40mm) 
X
T
R
U
Z
Y
Z
R
U
Y
5
10
11
13
12
14
16
3
3
11
7
6
6
9
8
18
20
18
1
17
(See Page 3-4.) 
(See Page 3-4.) 
21
15
19
20
3. REPAIR PARTS LIST
3-1.
EXPLODED VIEWS
3-1-1. FOCUS RING, FRONT LENS BARREL AND FIXED TUBE
DISASSEMBLY
Ref. No.
Part No.
Description
1
2-888-238-01 FRONT DECORATION PLATE
2
2-691-916-01 RING(DECORATION RING)
3
2-684-105-01 SCREW M1.6 X 3.5
4
2-691-914-01 FRONT LENS BARREL
5
2-691-905-01 FOCUS RING RUBBER RING
6
2-688-977-01 SCREW M1.6 X 3.0
7
2-691-903-01 RING (FOCUS RING)
8
2-691-957-01 FRICTION SHEET
9
2-691-917-01 PLATE (FOCUS SCALE PLATE)
10
2-691-955-01 OUTER BARREL HOLD PLATE
NOTE:
-XX and -X mean standardized parts, so they may
have some difference from the original one.
Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
The mechanical parts with no reference number in
the exploded views are not supplied.
11
2-684-117-01 SCREW M1.6 X 4.0
12
2-691-944-01 SHEET (HOLD SHEET)
13
2-691-915-01 RING (FIXED BARREL)
14
A-1197-609-A UNIT(FOCUS SCALE WINDOW UNIT)
15
2-691-943-01 HOLD SHEET TAPE
16
2-683-692-01 CHIP (MOUNT INDEX)
17
2-684-073-01 LENS NO. PLATE
18
9-913-210-03 POLYESTER TAPE (BLACK) 10mm (Note 1)
19
2-691-913-01 RING(OUTER BARREL)
20
2-684-730-01 WASHER
21
2-695-851-01 LABEL, MODEL NAME
Ref. No.
Part No.
Description
Ver 1.2  2007.05
(Note 1)
Cut the polyester tape (black) 10mm (Ref. No. 18) for
specfied size.
3-2
SAL20F28 (2.8/20) (20mm F2.8)
C
55
57
56
56
54
53
53
52
51
65
60
D
B
A
59
58
61
(See Page 3-3.) 
A
B
D
62
64
63
63
66
67
(Note 1)  
C
3-1-2. REAR LIGHT SHIELD BARREL, LENS MOUNT BLOCK AND OUTSIDE BARREL
DISASSEMBLY
Ref. No.
Part No.
Description
51
A-1197-610-A FLEXIBLE UNIT, MAIN
52
2-684-066-01 TAPPING SCREW 1.7 M1.7 X 4.0
53
2-684-064-01 SCREW M1.4 X 2.2
54
2-684-065-01 GROUND SPRING
55
2-691-904-01 TUBE (REAR LIGHT SHIELD BARREL)
56
2-687-685-01 SCREW M2.0 X 4.0
57
A-1212-861-A BLOCK, LENS MOUNT RIVETING
58
2-684-244-01 STOPPER SCREW
59
2-691-960-01 MAIN SPRING
Ref. No.
Part No.
Description
60
2-691-959-01 RING (PRESET RING)
61
2-684-234-01 PRESET RING HOLDING PLATE
62
2-685-022-01 COUPLER
63
2-691-919-01 SCREW (SET SCREW A)
64
2-691-961-01 BARREL (OUTSIDE BARREL)
65
2-887-835-01 TAPE, FLEXIBLE SET
66
Selection parts BACK ADJUSTMENT WASHER A to E (Note 1)
67
A-1206-555-A BLOCK, LENS MOUNT
(Note 1)
The number or type of these parts need to be selected
according to adjustment etc..
Select the part referring to page 3-5.
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