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Model
CFS-B21L
Pages
21
Size
1.3 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cfs-b21l.pdf
Date

Sony CFS-B21L Service Manual ▷ View online

CFS-B21L
 — 16 —
 — 17 —
5-5.
PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM — TUNER SECTION —
 — 18 —
Note:
• X
: parts extracted from the component side.
W
: indicates side identified with part number.
SECTION 6
EXPLODED VIEWS
NOTE:
• -XX, -X mean standardized parts, so they may
have some differences 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.
• Abbreviation
IT : Italian model
EE1 : East European
CET : CIS, East European
• The mechanical parts with no reference number
in the exploded views are not supplied.
• Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
The components identified by mark 
!
 or
dotted line with mark 
!
 are critical for safety.
Replace only with part number specified.
— 19 —
2
3
1
4
not supplied
SP901
#4
REAR CABINET SECTION
SP902
#4
#5
#5
#5
#5
#5
6-1. FRONT CABINET SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
1 3-011-195-01 GEAR, SE
2 X-3374-317-1 CABINET SUB ASSY, FRONT (BLACK)
(AEP,UK,CET)
2 X-3374-320-1 CABINET SUB ASSY, FRONT (BLACK) (EE1)
2 X-3375-065-1 CABINET SUB ASSY, FRONT (BLACK) (IT)
2 X-3375-546-1 CABINET SUB ASSY, FRONT (BLUE)
(AEP,UK,CET)
3 3-011-301-01 SPRING, CASSETTE UP
4 X-3374-658-1 LID SUB ASSY, CASSETTE (BLACK)
4 X-3375-547-1 LID SUB ASSY, CASSETTE (BLUE)(AEP,UK,CET)
SP901 1-505-745-11 SPEAKER (10cm)
SP902 1-505-745-11 SPEAKER (10cm)
— 20 —
51
3-011-198-01 BUTTON (REC)
52
3-011-199-01 BUTTON (PLAY)
53
3-011-200-01 BUTTON (FF)
54
3-011-201-01 BUTTON (REW)
55
3-011-202-01 BUTTON (S/E)
56
3-011-203-01 BUTTON (PAUSE)
* 57
1-666-484-11 POWER BOARD
58
3-385-889-01 KNOB (ISS)
59
3-017-582-01 HANDLE
60
3-911-257-41 LID, BATTERY CASE
61
3-017-588-01 GEAR (TUNING CAPACITOR)
* 62
A-3306-883-A TUNER BOARD, COMPLETE (AEP,UK,CET)
* 62
A-3306-891-A TUNER BOARD, COMPLETE (EE1)
* 62
A-3321-114-A TUNER BOARD, COMPLETE (IT)
* 63
A-3306-882-A MAIN BOARD, COMPLETE
64
3-379-431-01 KNOB (LEVER)
* 65
3-911-281-01 CUSHION, MIC
66
3-379-417-11 BUTTON (PUSH)
67
3-925-814-01 KNOB (ROTARY)
* 68
1-666-482-11 BATTERY BOARD
69
3-008-966-01 SPRING (+.–), BATTERY
70
3-017-583-01 CABINET, REAR
71
3-017-584-01 KNOB (TUNING)
* 72
1-667-176-11 RETAINER BOARD
* 73
1-666-481-11 VOLUME BOARD
74
3-017-586-01 BRACKET, DIAL POINTER
75
3-018-119-01 TERMINAL, ANT
76
3-017-585-01 POINTER, DIAL
ANT1
1-501-891-11 ANTENNA, TELESCOPIC
!
F902
1-532-465-51 FUSE, TIME LAG 3.15A/250V
!
T901
1-431-460-11 TRANSFORMER, POWER
not supplied
56 55 54
53 52
51
63
64 73
76
72
74
75
61
62
70
60
68
59
69
67
58
71
64
57
65
66
#4
#3
#4
#4
#4
LUG
MF-B15-117
#1
#2
T901
ANT1
F902
#4
#4
#4
#4
6-2. REAR CABINET SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
The components identified by mark 
!
 or dotted
line with mark 
!
 are critical for safety.
Replace only with part number specified.
— 21 —
109
110
111
112
113
114
115
116
101
102
103
104
105
106
107
119
118
108
HE901
HRP301
117
6-3. MECHANISM DECK SECTION (1)
(MF-B15-117)
101
3-933-010-01 SPRING (S/P), TORSION
102
3-933-025-01 SPRING (P), TORSION
103
3-933-026-01 LEVER (P)
104
3-933-024-01 ROLLER, PINCH
105
3-933-019-01 SPRING (F/R), TORSION
106
3-933-028-01 SPRING (FWD), TORSION
107
3-933-016-01 GEAR (S REEL)
* 108
3-933-023-11 SLIDER (REC)
109
3-933-000-11 BASE (S), HEAD
* 110
3-933-017-11 SLIDER (REW)
* 111
3-933-018-11 SLIDER (FF)
* 112
3-933-009-11 SLIDER (STOP)
* 113
3-933-008-11 SLIDER (PAUSE)
114
3-933-004-01 CLAW, REEL
* 115
3-933-021-01 SLIDER (FRP)
* 116
3-933-006-01 SLIDER (EJECT)
117
3-934-833-01 SPRING (FRP)
118
3-934-834-01 SPRING (BT)
119
3-933-007-01 PLATE, LOCK
HE901
1-543-876-11 HEAD (ERASE)
HRP301 1-543-714-31 HEAD, MAGNETIC (REC/PB)
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
Page of 21
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