Sony KD-28DX51E Service Manual ▷ View online
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1
5
MUTE/STBY
PROTECTIONS
14
9
10
12
4
3
2
VOLUME
VOLUME
OP AMP
OP AMP
30K
30K
60K
FLYBACK
GENERATOR
THERMAL
PROTECTION
2
6
3
5
4
7
1
POWER
AMPLIFIER
+
-
5-5. IC BLOCK DIAGRAMS
1
2
3
7
5
-
+
-
+
6
4
3
2
6
7
1
5
Vsense
Remote
DVLD
Internal
OFF
Latch
Centre
Osc
SS
F/B
Timer
TSD
OCP
Control
Logic
Level
Shift
Sel=34v
ref 5v
15v/8v
Driver
Reg. 10v
18
8
14
16
15
10
12
11
9
A BOARD IC501 STV9379A
A BOARD IC401/IC531 LM393DT
A BOARD IC601 MCZ3001D
A BOARD IC1201 TDA7495S
SECTION 6
EXPLODED VIEWS
NOTE :
Items with no part number and no description are not
stocked because they are seldom required for routine
service.
The construction parts of an assembled part are indicated
with a collation number in the remarks
column.
Items marked “*” are not stocked
since they are seldom required for
routine service. Some delay should
be anticipated when ordering these
items.
6-1. CHASSIS
REF.NO.
PART.NO
DESCRIPTION
REMARK
REF.NO.
PART.NO
DESCRIPTION
REMARK
- 46 -
25
13
*A-1066-316-A A1 BOARD, COMPLETE (KD-28/32DX51E)
*A-1415-653-A A1 BOARD, COMPLETE (KD-28/32DX51U)
14
*4-206-401-11 BRACKET, A1
15
4-058-870-01 SCREW, (4X16) W(+) P TAPPING
16
1-529-408-11 SPEAKER (4.2X24CM)
17
*A-1415-639-A B1 BOARD, COMPLETE
18
*4-103-134-01 H BRACKET
(KD-28DX51)
*4-102-522-01 BRACKET H
(KD-32DX51)
19
*A-1415-652-A H5 BOARD COMPLETE
20
*A-1415-638-A F5 BOARD COMPLETE
21
*4-103-133-01 CHASSIS BRACKET
(KD-28DX51)
*4-102-519-01 CHASSIS BRACKET
(KD-32DX51)
22
*4-103-107-01 REAR COVER
(KD-28DX51)
*4-102-520-11 REAR COVER
(KD-32DX51)
23
7-685-663-79 SCREW +BVTP 4X16 TYPE 2 IT-3
24
4-206-493-21 PCMCIA COVER
25
4-103-108-01 LOOP
(KD-28DX51)
4-103-121-01 LOOP PAINTED
(KD-32DX51)
26 £ 1-786-649-11 SWITCH, AC POWER PUSH
1
2
3
5
6
7
8
22
17
15
15
16
16
13
12
11
10
9
4
20
23
18
19
14
21
24
26
UK
Models
only
Models
only
1
*4-206-048-12 BRACKET, MAIN
2
1-424-733-11 COIL, PFC CHOKE 65MMH
3 £
1-783-083-11 CORD, POWER (FILTER) KD-28/32DX51E
£
1-776-204-11 CORD, POWER (FILTER) KD-28/32DX51U
4
*4-202-531-01 AC CORD LOCK (SC)
5
*A-1415-640-A F3 BOARD, COMPLETE
6 £
1-453-372-11 TRANSFORMER ASSY, FLYBACK (NX-4521//Z214)
(KD-28DX51)
£
1-453-308-41 TRANSFORMER ASSY, FLYBACK (NX-4521//Z2B4)
(KD-32DX51)
7
*A-1302-978-A A BOARD, COMPLETE
(KD-28DX51)
*A-1302-959-A A BOARD, COMPLETE
(KD-32DX51)
8
*A-1302-976-A D2 BOARD, COMPLETE (KD-28DX51)
*A-1302-957-A D2 BOARD, COMPLETE (KD-32DX51)
9
1-693-556-14 FRONTEND (TUNER+IF) (KD-28/32DX51E)
1-693-557-14 FRONTEND (TUNER+IF) (KD-28/32DX51U)
10
8-597-929-00 TUNER FSS BTP-DU601
11
*A-1066-314-A N BOARD, COMPLETE
(KD-28/32DX51E)
*A-1054-142-A N BOARD, COMPLETE
(KD-28/32DX51U)
12
*4-206-219-01 SHIELD
6-2. PICTURE TUBE
REF.NO.
PART.NO
DESCRIPTION
REMARK
REF.NO.
PART.NO
DESCRIPTION
REMARK
- 47 -
74
71
76
78
77
79
73
70
65
61
60
75
56
63
62
64
67
68
72
51
54
53
66
58
59
58
69
52
55
57
51
*X-4043-181-1 BEZNET ASSY (KD-28DX51) 52-57
*X-4043-170-1 BEZNET ASSY (KD-32DX51) 52-57
52
4-102-529-01 DOOR
53
4-087-491-11 SPRING DOOR
54
4-102-532-01 POWER, BUTTON
55
4-202-964-11 SPRING
56
4-205-375-11 GUIDE LIGHT
57
7-685-663-79 SCREW +BVTP 4X16 TYPE2 IT-3
58
*4-206-160-01 SUPPORT CRT (KD-28DX51)
59
4-204-947-01 SHEET BLOTTING (KD-32DX51)
60 £ 8-451-540-11 DEFLECTION YOKE (Y28VECP-L)(KD-28DX51)
£ 1-451-575-11 DEFLECTION YOKE (Y32VECP-T)(KD-32DX51)
61
£ 1-451-575-11 DEFLECTION YOKE (Y32VECP-T)(KD-32DX51)
61
1-452-896-61 COIL, NA ROTATION (RT-200)
62 £ 8-453-021-21 NECK ASSEMBLY (NA2919-M2)
63
63
*A-1302-977-A VM BOARD, COMPLETE (KD-28DX51)
*A-1302-958-A VM BOARD, COMPLETE (KD-32DX51)
64
*A-1063-719-A C BOARD, COMPLETE (KD-28DX51)
*A-1415-641-A C BOARD, COMPLETE (KD-32DX51)
65
4-200-433-01 SPRING, EXTENSION (KD-28DX51)
4-065-852-01 SPRING, EXTENSION (KD-32DX51)
66 £ 1-416-466-21 COIL, DEMAGNETIC (KD-28DX51)
£ 1-416-769-11 COIL, DEMAGNETIC (KD-32DX51)
67
£ 1-416-769-11 COIL, DEMAGNETIC (KD-32DX51)
67
*4-203-390-71 CUSHION, DGC
68
4-093-607-01 HOLDER, DGC
69
4-079-355-01 DGC CLIP (KD-28DX51)
4-023-248-01 DGC CLIP (KD-32DX51)
70
4-202-693-01 HOLDER, HV CABLE
71 £ 1-251-946-21 CAP ASSY, HIGH VOLTAGE (KD-28DX51)
£ 1-251-946-11 CAP ASSY, HIGH VOLTAGE (KD-32DX51)
72
£ 1-251-946-11 CAP ASSY, HIGH VOLTAGE (KD-32DX51)
72
4-086-199-02 SPACER, DY
73 £ 8-737-794-05 PICTURE TUBE (W66LWS000X)(KD-28DX51)
£ 8-735-217-05 PICTURE TUBE (W76LWN000X)(KD-32DX51)
74
£ 8-735-217-05 PICTURE TUBE (W76LWN000X)(KD-32DX51)
74
4-036-188-01 SCREW, SELF TAPPING (KD-28DX51)
4-204-225-01 PT-SCREW (KD-32DX51)
75
4-308-870-00 CLIP, LEAD WIRE
76
1-452-094-00 MAGNET, ROTATABLE DISK; 15MM Ø
77
1-452-032-00 MAGNET, DISK; 10MM Ø
78
X-4387-214-1 PERMALLOY, CORRECTION
79
3-701-007-00 BAND, BINDING
SECTION 7
ELECTRICAL PARTS LIST
PARTS LISTING TABLE OF CONTENTS
Note : Items marked “*” are not stocked since they are seldom required for routine service.
Some delay should be anticipated when ordering these items.
Parts indicated (XX) on the Schematic Diagram are not used in this model and
therefore do not appear in the Parts List.
- 48 -
Page
D2 BOARD COMPLETE Parts List :
Parts common to all models listed in this manual .................... 49
Model
Parts that belong only to the model specified
KV-28DX51U
................................................................................................... 49
KV-32DX51U
................................................................................................... 49
VM BOARD COMPLETE Parts List :
Parts common to all models listed in this manual ..................... 49
Model
Parts that belong only to the model specified
KV-28DX51U
................................................................................................... 50
KV-32DX51U
................................................................................................... 50
A BOARD COMPLETE Parts List :
Parts common to all models listed in this manual ..................... 51
Model
Parts that belong only to the model specified
KV-28DX51U
................................................................................................... 58
KV-32DX51U
................................................................................................... 59
F5 BOARD COMPLETE Parts List :
.................................................................................................. 59
B1 BOARD COMPLETE Parts List :
................................................................................................... 59
F3 BOARD COMPLETE Parts List :
.................................................................................................. 60
C BOARD COMPLETE Parts List :
................................................................................................... 60
Model
Parts that belong only to the model specified
KV-28DX51U
................................................................................................... 61
KV-32DX51U
................................................................................................... 61
H5 BOARD COMPLETE Parts List :
................................................................................................... 61
A1 BOARD COMPLETE Parts List :
................................................................................................... 62
Model
Parts that belong only to the model specified
KV-28/32DX51E
................................................................................................... 66
KV-28/32DX51U
................................................................................................... 66
MISCELLANEOUS :
................................................................................................... 67
ACCESSORIES AND PACKAGING MATERIALS :
.................................................................................... 67
REMOTE COMMANDER:
................................................................................................... 67
Note: The N Board Schematic Diagram, Printed Wiring Board and Parts List are not indicated
in this manual as the PWB is regarded as a non service item for exchange only.
Click on the first or last page to see other KD-28DX51E service manuals if exist.