Sony KV-20S90 Service Manual ▷ View online
— 29 —
KV-20S90 / 21SE43C
1
|
2 |
3
|
4
|
5
|
A
—
B
—
C
—
[RGB DRIVE, CRT DRIVE]
C
CN1751
CN1754
J1751
L1751
C1752
R1764
R1765
R1759
C1755
CN1753
G1
G2
KR
KG
KB
H1
H2
GROUND
G2
SPARK
GAP
GROUND
B
E
E
G
R
IK
TP47B
B OUT
B OUT
TP47R
R OUT
R OUT
20,27
1-673-986-11
171691511
C BOARD IC VOLTAGE LIST
IC1751
PIN
VOLT
1
2.1
2
2.2
3
2.1
4
GND
5
3.7
6
193.4
7
146.5
8
133.8
9
134.9
1
148.4V p-p (H)
2
118.8V p-p (H)
3
122.5V p-p (H)
C BOARD WAVEFORMS
— 30 —
KV-20S90 / 21SE43C
5-4. SEMICONDUCTORS
2SB709A-QRS-TX
2SD601A-QRS-TX
2SD601A-QRS-TX
2SC3209LK-TP
2SA1091O-TPE2
2SD1292-T103
2SD1292-T103
2SC3311A-QRSTA
1SS83TD
GP08DPKG23
RU4AM-T3
RGP10GPKG23
GP08DPKG23
RU4AM-T3
RGP10GPKG23
MA111-TX
UDZ-TE-17.5.1B
UDZ-TE-17.5.1B
D3SB60F
B
E
C
E
C
B
LETTER SIDE
E
C
B
CATHODE
ANODE
1SS133T-77
D1N20R-TA
11EQS04-NTA1B
D1N20R-TA
11EQS04-NTA1B
CATHODE
ANODE
ANODE
CATHODE
+
~
~
-
+
~
~
-
RU-1P
ERC04-06S
ERC06-15S
EGP20DPKG23
MTZJ-T-77-5.1C
MTZJ-T-77-5.6C
MTZJ-T-77-10B
MTZJ-T-77-30D
MTZJ-T-77-8.2B
RGP15GPKG23
S2L20UF
S3L20UF4
ERC04-06S
ERC06-15S
EGP20DPKG23
MTZJ-T-77-5.1C
MTZJ-T-77-5.6C
MTZJ-T-77-10B
MTZJ-T-77-30D
MTZJ-T-77-8.2B
RGP15GPKG23
S2L20UF
S3L20UF4
B
E
C
CATHODE
ANODE
— 31 —
KV-20S90 / 21SE43C
SECTION 6: EXPLODED VIEWS
Components not identifi ed by a part number or
description are not stocked because they are seldom
required for routine service.
description are not stocked because they are seldom
required for routine service.
NOTE: The components identifi ed by shading and ! mark are critical for safety.
Replace only with part number specifi ed.
Replace only with part number specifi ed.
NOTE: Les composants identifi es par un trame et une marque ! sont critiques pour
la securite. Ne les remplacer que par une piece portant le numero specifi e.
la securite. Ne les remplacer que par une piece portant le numero specifi e.
The component parts of an assembly are indicated by
the reference numbers in the far right column of the parts
list and within the dotted lines of the diagram.
the reference numbers in the far right column of the parts
list and within the dotted lines of the diagram.
*
Items marked with an asterisk are not stocked since
they are seldom required for routine service. Expect
some delay when ordering these components.
some delay when ordering these components.
REF. NO.
PART NO.
DESCRIPTION [Assembly Includes]
REF. NO.
PART NO.
DESCRIPTION [Assembly Includes]
13
12
15
11
24
10
7
8
9
18
4
3
19
1
21
22
23
20
17
2
14
5
16
6
6
6-1. CHASSIS (KV-20S90/21SE43C)
1
X-4038-954-1
BEZNET ASSY (KV-21SE43C ONLY) [2-5]
1
X-4038-691-1
BEZNET ASSY (KV-20S90 ONLY) [2-5]
2
4-062-604-01
DOOR (KV-20S90 ONLY)
2
4-062-604-21
DOOR (KV-21SE43C ONLY)
3
4-046-161-01
EMBLEM (NO.8), SONY
4
4-062-607-01
GUIDE, LED
5
4-062-603-31
BUTTON, MULTI (KV-21SE43C ONLY)
5
4-062-603-21
BUTTON, MULTI (KV-20S90 ONLY)
6
1-505-930-11
SPEAKER (9X5CM) (KV-21SE43C ONLY)
6
1-505-831-11
SPEAKER (9X5CM) (KV-20S90 ONLY)
7
4-053-005-01
SPACER, DY
! 8
8-738-843-05
CRT 21NXT (FOR SOUTH) (KV-21SE43C ONLY)
! 8
8-738-842-05
CRT 21NXT (KV-20S90 ONLY)
! 9
8-451-440-21
DY Y21NXA-X
*
10
A-1331-917-A
C MOUNTED PC BOARD
*
11
A-1299-480-A
A COMPLETE PC BOARD (KV-21SE43C ONLY)
*
11
A-1299-466-A
A COMPLETE PC BOARD (KV-20S90 ONLY)
The high-voltage leads associated with the FBT on this board are not
included and must be ordered separately (See 21-23).
*
12
4-375-394-01
SPRING, TENSION
*! 13
1-416-571-11
COIL, DEMAGNETIC (KV-21SE43C ONLY)
*! 13
1-416-572-21
COIL, DEMAGNETIC (KV-20S90 ONLY)
! 14
1-790-001-21
CORD, AC POWER (WITH CONNECTOR)
(KV-20S90 ONLY)
! 14
1-769-796-71
CORD, POWER (WITH CONNECTOR)
(KV-21SE43C ONLY)
15
1-766-374-11
PLUG, F-PIN
16
4-081-410-01
COVER, REAR
17
3-704-372-71
HOLDER, HV CABLE
18
4-083-415-01
PIECE A(75), CONV. CORRECT
19
1-452-032-00
MAGNET,DISC
! 20
1-453-283-21
FBT ASSY NX-1744/X4E4
[21-23]
! 21
1-251-643-41
HV CAP ASSY
! 22
1-900-800-65
FOCUS LEAD
! 23
1-900-803-22
G2 LEAD
! 24
8-598-542-20
TUNER FSS BTF-WA412
7-685-648-71
SCREW +BVTP 3 x 12 TYPE 2 IT-3
7-685-663-11
SCREW +BVTP 4X16 TYPE2 N-S
4-365-808-01
SCREW (5), TAPPING
— 32 —
KV-20S90 / 21SE43C
SECTION 7: ELECTRICAL PARTS LIST
*
Items marked with an asterisk are not stocked since they
are seldom required for routine service. Expect some delay
when ordering these components.
when ordering these components.
RESISTORS
• All resistors are in ohms
• F : nonfl ammable
• All variable and adjustable resistors
• All resistors are in ohms
• F : nonfl ammable
• All variable and adjustable resistors
have characteristic curve B, unless
otherwise noted.
otherwise noted.
REF. NO.
PART NO.
DESCRIPTION
VALUES
The components in this manual identifi ed by the following
symbol: X indicate parts that have been carefully factory-
selected to satisfy regulations regarding X-ray radiation for
each set.
symbol: X indicate parts that have been carefully factory-
selected to satisfy regulations regarding X-ray radiation for
each set.
Should replacement be required for one of these
components, replace only with the value originally used.
components, replace only with the value originally used.
NOTE: The components identifi ed by shading
and ! mark are critical for safety. Replace only
with part number specifi ed.
and ! mark are critical for safety. Replace only
with part number specifi ed.
NOTE: Les composants identifi es par un trame et
une marque ! sont critiques pour la securite. Ne
les remplacer que par une piece portant le numero
specifi e.
une marque ! sont critiques pour la securite. Ne
les remplacer que par une piece portant le numero
specifi e.
When ordering parts by reference
number, please include the board name.
A
REF. NO.
PART NO.
DESCRIPTION
VALUES
A
*
A-1299-466-A
A COMPLETE PC BOARD
(KV-20S90 ONLY)
*
A-1299-480-A
A COMPLETE PC BOARD
(KV-21SE43C ONLY)
The high-voltage leads associated with the FBT on the A board are not included and
must be ordered separately. Order the following leads when requesting this A board:
!
1-251-643-41
HV CAP ASSY
!
1-900-800-65
FOCUS LEAD
!
1-900-803-22
G2 LEAD
1-533-223-11
HOLDER, FUSE
*
4-374-846-01
COVER,CAPACITOR, CAP TYPE
4-382-854-11
SCREW (M3X10), P, SW (+)
CAPACITOR
C001
1-163-259-91
CERAMIC CHIP
220pF
5%
50V
C004
1-104-664-11
ELECT
47µF
20%
25V
C005
1-126-960-11
ELECT
1µF
20%
50V
C006
1-163-035-00
CERAMIC CHIP
0.047µF
50V
C007
1-163-259-91
CERAMIC CHIP
220pF
5%
50V
C011
1-163-009-11
CERAMIC CHIP
0.001µF 10%
50V
C013
1-163-259-91
CERAMIC CHIP
220pF
5%
50V
C014
1-164-004-11
CERAMIC CHIP
0.1µF
10%
25V
C017
1-126-960-11
ELECT
1µF
20%
50V
C019
1-163-135-00
CERAMIC CHIP
560pF
5%
50V
C020
1-130-495-00
MYLAR
0.1µF
5%
50V
C027
1-163-259-91
CERAMIC CHIP
220pF
5%
50V
C028
1-163-005-11
CERAMIC CHIP
470pF
10%
50V
C034
1-163-037-11
CERAMIC CHIP
0.022µF 10%
50V
C037
1-164-161-11
CERAMIC CHIP
0.0022µF 10%
50V
C038
1-126-941-11
ELECT
470µF
20%
25V
C039
1-126-964-11
ELECT
10µF
20%
50V
C046
1-104-664-11
ELECT
47µF
20%
25V
C047
1-163-259-91
CERAMIC CHIP
220pF
5%
50V
C048
1-163-009-11
CERAMIC CHIP
0.001µF 10%
50V
C050
1-163-251-11
CERAMIC CHIP
100pF
5%
50V
C055
1-163-251-11
CERAMIC CHIP
100pF
5%
50V
C060
1-163-005-11
CERAMIC CHIP
470pF
10%
50V
C062
1-164-161-11
CERAMIC CHIP
0.0022µF 10%
50V
C065
1-163-009-11
CERAMIC CHIP
0.001µF 10%
50V
C072
1-163-259-91
CERAMIC CHIP
220pF
5%
50V
C074
1-163-251-11
CERAMIC CHIP
100pF
5%
50V
C077
1-163-251-11
CERAMIC CHIP
100pF
5%
50V
C078
1-163-005-11
CERAMIC CHIP
470pF
10%
50V
C091
1-163-231-11
CERAMIC CHIP
15pF
5%
50V
C092
1-163-231-11
CERAMIC CHIP
15pF
5%
50V
C101
1-126-963-11
ELECT
4.7µF
20%
50V
C150
1-126-935-11
ELECT
470µF
20%
16V
C151
1-104-664-11
ELECT
47µF
20%
25V
C160
1-126-382-11
ELECT
100µF
20%
16V
C200
1-107-698-11
ELECT
10µF
20%
25V
C201
1-126-960-11
ELECT
1µF
20%
50V
C202
1-126-960-11
ELECT
1µF
20%
50V
C203
1-163-009-11
CERAMIC CHIP
0.001µF 10%
50V
C204
1-107-698-11
ELECT
10µF
20%
25V
C205
1-126-960-11
ELECT
1µF
20%
50V
C206
1-126-960-11
ELECT
1µF
20%
50V
C214
1-126-957-11
ELECT
0.22µF
20%
50V
C215
1-126-957-11
ELECT
0.22µF
20%
50V
C216
1-126-959-11
ELECT
0.47µF
20%
50V
C217
1-126-959-11
ELECT
0.47µF
20%
50V
C218
1-126-941-11
ELECT
470µF
20%
25V
C219
1-130-495-00
MYLAR
0.1µF
5%
50V
C220
1-126-941-11
ELECT
470µF
20%
25V
C221
1-126-941-11
ELECT
470µF
20%
25V
C222
1-126-964-11
ELECT
10µF
20%
50V
C226
1-107-635-11
ELECT
4.7µF
20%
160V
C228
1-126-964-11
ELECT
10µF
20%
50V
C232
1-126-960-11
ELECT
1µF
20%
50V
C233
1-126-960-11
ELECT
1µF
20%
50V
C234
1-126-964-11
ELECT
10µF
20%
50V
C236
1-163-021-91
CERAMIC CHIP
0.01µF
10%
50V
C243
1-163-017-00
CERAMIC CHIP
0.0047µF 10%
50V
C301
1-163-233-11
CERAMIC CHIP
18pF
5%
50V
C303
1-126-964-11
ELECT
10µF
20%
50V
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