Sony KV-28FQ86B Service Manual ▷ View online
- 49 -
FLYBACK
GENERATOR
THERMAL
PROTECTION
2
6
3
5
4
7
1
POWER
AMPLIFIER
+
-
3
1
2
+
-
REFERENCE
VOLTAGE
5-5. IC BLOCK DIAGRAMS
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 IC5400 STV9379A
G BOARD IC6001 MCZ3001D
A BOARD IC6210 BA033T
- 50 -
DFP
60
59
56
57
SBUS Interface
IDENT
A/D
SCART Switching Facilities
A/D
D/A
D/A
D/A
D/A
D/A
D/A
I2C Interface
25
23
65
68
1
3
4
5
7
6
48
50
51
47
30
34
31
28
33
37
36
DEMODULATOR
A BOARD IC2000 MSP3411G
1
5
4
3
8
7
2
6
9
G BOARD IC6003 SE135N-LF4
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
- 51 -
1
*A-1405-609-A H1 BOARD COMPLETE
2
*A-1405-611-A F1 BOARD, COMPLETE
3 £
1-571-433-21 SWITCH, PUSH (AC POWER)
4
*4-202-531-01 AC CORD LOCK (SC)
5 £
*1-783-083-11 CORD, POWER (WITH FILTER)
6
*4-095-739-02 BRACKET, MAIN
7
A-1302-963-A G BOARD, COMPLETE
8
1-456-510-11 COIL, CHOKE 48.5MMH
9
*A-1302-961-A A BOARD, COMPLETE (KV-28FQ86B KV-32FQ86B)
*A-1302-962-A A BOARD, COMPLETE (KV-28FQ86E KV-32FQ86E/K)
*A-1302-972-A A BOARD, COMPLETE (KV-32FQ86U)
10
8-598-529-10 FRONTEND BTF-EU611 (KV-32FQ86U)
8-598-533-10 FRONTEND BTF-EC411 (KV-28FQ86E,
KV-32FQ86E/K)
8-598-535-20 FRONTEND BTF-EF411 (KV-28FQ86B, KV-32FQ86B)
11
*4-100-801-01 SUPPORTER, J
12
*A-1405-623-A J BOARD, COMPLETE
13
*A-1302-965-A B BOARD, COMPLETE
14 £ 1-453-378-21 TRANSFORMER ASSY, FLYBACK (NX-6020//Z214)
(KV-28FQ86)
£ 1-453-444-21 TRANSFORMER ASSY, FLYBACK (NX-6020//Z2B4)
(KV-32FQ86)
15
*A-1302-547-A D2 BOARD, COMPLETE KV-28FQ86
*A-1302-549-A D2 BOARD, COMPLETE KV-32FQ86
16
*4-095-738-01 BRACKET, D2
17
*A-1302-964-A D BOARD, COMPLETE KV-28FQ86
*A-1302-971-A D BOARD, COMPLETE KV-32FQ86
18
*4-093-898-11 BRACKET, H
19
4-058-870-01 SCREW (4x16)W(+)P TAPPING
20
1-529-408-11 SPEAKER (4.2x24CM)
21
*A-1603-084-A WOOFER COMPLETE ASSY 22-23
22
1-529-417-11 SPEAKER (8CM)
23
7-685-663-71 SCREW +BVTP 4x16 TYPE2 IT-3
24
4-093-829-11 REAR COVER (KV-28FQ86)
4-093-896-31 REAR COVER (KV-32FQ86)
25
7-685-648-79 SCREW +BVTP 3x12 TYPE2 IT-3
25
21
22
3
4
5
23
13
19
24
2
1
19
20
20
17
16
15
14
10
8
7
6
UK Models
only
only
11
9
12
18
6-2. PICTURE TUBE
REF.NO.
PART.NO
DESCRIPTION
REMARK
REF.NO.
PART.NO
DESCRIPTION
REMARK
- 52 -
51
X-4043-188-1 BEZNET ASSY KV-28FQ86B/E 52-57
X-4043-184-1 BEZNET ASSY KV-32FQ86B/E/K 52-57
X-4041-364-2 BEZNET ASSY KV-32FQ86U 52-57
52
*4-087-533-01 MULTIBUTTON
53
4-087-530-01 GUIDE, LIGHT
54
4-093-827-01 DOOR (KV-28FQ86)
4-093-897-01 DOOR (KV-32FQ86)
55
4-085-507-03 SPRING, DOOR
56
4-087-527-01 POWER BUTTON
57
4-204-426-01 SPRING
58 £
8-451-521-31 DEFLECTION YOKE (Y28RVC3-L2) (KV-28FQ86)
£
1-451-480-22 DEFLECTION YOKE (Y32RVC2) (KV-32FQ86)
59
1-419-363-11 COIL, NA ROTATION
60 £
8-453-011-11 NECK ASSY, (NA299-M)
61
*A-1405-620-A VM BOARD, COMPLETE
62
*A-1405-610-A C BOARD, COMPLETE
63
4-369-318-21 SPRING, TENSION
64
*4-203-390-11 CUSHION, DGC (KV-28FQ86)
*4-095-593-01 CUSHION, DGC (KV-32FQ86)
65 £
1-424-886-11 COIL, DEGAUSSING (KV-28FQ86)
£
1-424-888-11 COIL, DEGAUSSING (KV-32FQ86)
66
*4-392-534-21 CUSHION, DGC (KV-32FQ86)
67
*4-204-812-02 HOLDER, DGC (25”) (KV-28FQ86)
*4-204-768-02 HOLDER, DGC (29”) (KV-32FQ86)
68 £
1-251-946-11 CAP ASSY, HIGH-VOLTAGE (KV-32FQ86)
£
1-251-946-21 CAP ASSY, HIGH-VOLTAGE (KV-28FQ86)
69
3-704-495-03 SPACER, DY
70 £
8-735-099-05 PICTURE TUBE (W66LLX060X) KV-28FQ86
£
8-735-079-05 PICTURE TUBE (W76LLZ060X) KV-32FQ86
71
4-046-765-12 SCREW, TAPPING 7+CROWN WASHER
72
4-204-666-01 SHEET, BLOTTING
73
*4-206-160-01 SUPPORT CRT (KV-28FQ86)
*4-087-590-03 SUPPORT CRT (KV-32FQ86)
74
4-308-870-00 CLIP, LEAD WIRE
75
1-452-094-00 MAGNET, ROTATABLE DISK; 15MM Ø
76
1-452-032-00 MAGNET, DISK; 10MM Ø
77
X-4387-214-1 PERMALLOY, CORRECTION
78
3-701-007-00 BAND, BINDING
71
68
70
65
58
62
61
60
67
53
74
75
76
77
78
51
55
52
69
59
63
54
56
64
64
73
73
66
66
72
57
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