Sony KV-21XE42C Service Manual ▷ View online
B
C
E
Q001
5 . 2
0 . 7
5 . 0
Q002
0 . 7
0 . 3
0
Q202
0 . 0 2
0 . 7
GND
Q203
1 . 8
GND
0 . 7
Q204
0
0 . 7
GND
Q205
4 . 6
GND
5 . 2
Q300
0 . 4
2 . 7
GND
Q301
3 . 7
2 . 3
3 . 8
Q302
3 . 7
GND
3 . 8
Q305
3 . 8
GND
4 . 4
Q390
4 . 6
9 . 0
3 . 9
Q391
4 . 5
9 . 0
3 . 8
Q392
1 . 8
GND
2 . 5
Q393
1 . 7
GND
2 . 4
Q394
1 . 9
GND
2 . 5
Q501
-0.7
4 7 . 0
GND
Q502
0
1 0 9
GND
Q571
1 1 2 . 5
6 . 5
1 1 3 . 1
Q601
0
0
GND
Q602
1 . 0
3 . 7
0 . 4
Q604
0 . 1
2 . 7
GND
Q605
9 . 7
9 . 8
9 . 0
Q608
3 1 . 7
3 2 . 4
3 1 . 5
Q650
5 . 7
9 . 0
5 . 1
Q670
0 . 7
0 . 3
0
All voltages are in V
A BOARD TRANSISTOR
VOLTAGE LIST
VOLTAGE LIST
D
G
S
Q607
1 1 5 . 2 3 2 . 5
3 1 . 5
All voltages are in V
— 35 —
— 36 —
— 37 —
— 38 —
A BOARD SCHEMATIC DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
A
B
C
D
E
F
G
H
I
KV-21XE42C
A BOARD IC VOLTAGE LIST
A BOARD WAVEFORMS
A BOARD TRANSISTOR
VOLTAGE LIST
VOLTAGE LIST
16
17
18
19
20
J
K
L
M
N
O
A BOARD TRANSISTOR
VOLTAGE LIST
VOLTAGE LIST
IC001 IC002
7
2 . 0
1 0
6 . 0
pin volt pin volt 8 5 . 0 1 1 6 . 0
1 0 . 4 1 GND 9 5 . 2 1 2
GND
2 4 . 9
2 5 . 0 1 0 GND 1 3 6 . 0
3 0 . 6 0 3 4 . 9 1 1
3 . 8
IC521
4 3 . 0
4 1 2 . 0 1 2 2 . 5 pin volt
5 0 . 0
5 5 . 0 1 3 3 . 6 1 1 2 . 5
6 0 . 3 6 GND 1 4 3 . 5 2 0 . 9
7 NC 7
7 NC 7
N / A
1 5
5 . 9 3 1 . 0
8 NC 8 0 1 6
7 . 7 4
GND
9
NC IC003 1 7
0 . 7
5
8 . 7
1 0 0 . 1 pin volt 1 8 3 . 5 6 9 . 7
1 1 0 . 1 1 GND 1 9 2 . 9 7 1 . 3
1 2 5 . 0 2 GND 2 0 2 . 7 8 1 3 . 0
1 3 0 3 GND 2 1
1 1 0 . 1 1 GND 1 9 2 . 9 7 1 . 3
1 2 5 . 0 2 GND 2 0 2 . 7 8 1 3 . 0
1 3 0 3 GND 2 1
2 . 2 IC541
1 4 5 . 0 4 GND 2 2 1 . 9 pin volt
1 5 NC 5 4 . 8 2 3 1 . 7 1 2 . 4
1 6 0 . 0 6 4 . 8 2 4 1 . 8 2 1 3 . 0
1 7 -0.3 7 GND 2 5 0 . 1 3 -11.3
1 8 5 . 0 8 5 . 0 2 6 4 . 0 4 - 1 3
1 9
1 5 NC 5 4 . 8 2 3 1 . 7 1 2 . 4
1 6 0 . 0 6 4 . 8 2 4 1 . 8 2 1 3 . 0
1 7 -0.3 7 GND 2 5 0 . 1 3 -11.3
1 8 5 . 0 8 5 . 0 2 6 4 . 0 4 - 1 3
1 9
5 . 0 IC004 2 7
4 . 0 2
5
0 . 3
2 0 2 . 0 pin volt 2 8 4 . 0 6 1 3 . 7
2 1 0 1 3 . 3 2 9 0 7 2 . 4
2 2 2 . 2 2 5 . 0 3 0 4 . 6
2 1 0 1 3 . 3 2 9 0 7 2 . 4
2 2 2 . 2 2 5 . 0 3 0 4 . 6
IC601
2 3 0 3 0 3 1
4 . 6 pin
volt
2 4
2 . 4 IC200 3 2
4 . 6
1
1 . 7
2 5 2 . 4 pin volt 3 3 9 . 0 2 0 . 1
2 6 GND 1 5 . 9 3 4 4 . 8 3 1 5 4 . 6
2 7 5 . 0 2 0 . 3 3 5 4 . 8 4 1 8 . 0
2 8 NC 3 6 . 1 3 6 0
2 6 GND 1 5 . 9 3 4 4 . 8 3 1 5 4 . 6
2 7 5 . 0 2 0 . 3 3 5 4 . 8 4 1 8 . 0
2 8 NC 3 6 . 1 3 6 0
5 GND
2 9 NC 4 0 . 3 3 7 4 . 0
IC
602
3 0 5 . 0 5 6 . 1 3 8 4 . 7 pin volt
3 1 5 . 1 6 9 . 0 3 9 4 . 7 1 2 . 5
3 2 NC 7 5 . 2 4 0
GND 2 GND
3 3 5 . 0 8 GND 4 1 5 . 2 3 9 . 5
3 4
3 4
2 . 6 IC201 4 2
7 . 4 TU101
3 5 NC pin volt 4 3 5 . 2 pin volt
3 6 4 . 8 1 6 . 0 4 4 9 . 0 1 9 . 0
3 7 4 . 8 2 0 . 3 4 5 5 . 3 2 3 0
3 8 4 . 8 3 6 . 1 4 6 0
3 6 4 . 8 1 6 . 0 4 4 9 . 0 1 9 . 0
3 7 4 . 8 2 0 . 3 4 5 5 . 3 2 3 0
3 8 4 . 8 3 6 . 1 4 6 0
3 5 . 1
3 9 4 . 8 4 0 . 3 4 7 2 . 5 4 4 . 9
4 0 NC 5 6 . 1 4 8 0
4 0 NC 5 6 . 1 4 8 0
5 4 . 8
4 1 0 6 9 . 0
IC401
6 0
4 2 0 . 1 7 5 . 2 pin volt 7 7 . 3
4 3 5 . 0 8 GND 1 0 . 8 8 1 . 6
4 4 0 . 1
4 3 5 . 0 8 GND 1 0 . 8 8 1 . 6
4 4 0 . 1
IC301
2 NC 9 9 . 0
4 5 4 . 9 pin volt 3 2 . 4 1 0 3 . 6
4 6 NC 1 3 . 5 0 4 1 2 . 6 1 1 0
4 8 NC 2 5 . 2 5 2 . 4 1 7 4 . 6
4 9 0
4 6 NC 1 3 . 5 0 4 1 2 . 6 1 1 0
4 8 NC 2 5 . 2 5 2 . 4 1 7 4 . 6
4 9 0
3 1 . 4 6 GND 1 8 4 . 4
5 0 0
4 5 . 2 7 0 . 8 1 9 5 . 0
5 1 0
5 5 . 0 8 6 . 0 2 0 0 . 4
5 2 0
6 4 . 5 9 GND 2 1 0
2 2 0 . 3
2 3 0
2 4 0
2 5 0
2 6 4 . 5
2 7 4 . 5
2 3 0
2 4 0
2 5 0
2 6 4 . 5
2 7 4 . 5
All voltages are in V
4.9 Vp-p (H)
17
18
19
20
9
10
11
12
4.2 Vp-p (H)
1.0 Vp-p (H)
3.6 Vp-p (8mhZ)
2.0 Vp-p (H)
8.6 Vp-p (V)
1.4 Vp-p (V)
1.4 Vp-p (V)
4.5 Vp-p (V)
3.0 Vp-p (H)
2.7 Vp-p (H)
3.4 Vp-p (H)
2.8 Vp-p (H)
1.05 KVp-p (H)
25.0 Vp-p (H)
91.3 Vp-p (H)
29.4 Vp-p (V)
6.1 Vp-p (V)
30.3 Vp-p (V)
53.4 Vp-p (V)
1
2
3
4
5
6
7
8
21
71.5 Vp-p (H)
TV IN
13
14
15
16
870 A Schematic.p65
6/10/99, 5:19 PM
1
C BOARD SCHEMATIC DIAGRAM
R.G.B. DRIVE
CRT DRIVE
1
2
3
4
5
6
A
B
C
D
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
— 39 —
— 40 —
— 41 —
— 42 —
A Board
C BOARD
IC VOLTAGE LIST
IC VOLTAGE LIST
KV-21XE42C
C Board
6-4. SEMICONDUCTORS
2SA1162-G
2SD601A-QRS-TX
2SB709A-QRS-TX
2SD601A-QRS-TX
2SB709A-QRS-TX
2SA1175-HFE
2SC2785-HFE
2SA1309A
2SC3311A
2SC2785-HFE
2SA1309A
2SC3311A
2SC3209
2SD1312-K
2SD774-34
2SC3209LK-TP
2SD1312-K
2SD774-34
2SC3209LK-TP
UPC1093J-1-T
GPD08DPKG3
EL1Z-V1
RGP10GPKG3
1SS133T-77
MTZJ-T-77-10B
MTZJ-T-77-30D
MTZJ-T-77-5.1C
D2S4MTA1
RGP10GPKG3
1SS133T-77
MTZJ-T-77-10B
MTZJ-T-77-30D
MTZJ-T-77-5.1C
D2S4MTA1
`
`
{
|
`
`
{
|
D3SB60F
SBX1981-51
2SA1091-0
2SD1292
2SD1292
E
B
C
E
LETTER SIDE
C B
E
C
B
CATHODE
ANODE
2SK2845-LB102
S
D
G
MA111
CATHODE
ANODE
2SC5426-01
B
C
E
E C
B
CATHODE
ANODE
REF
CATHODE
ANODE
2SD2137-OP-TA
9
10
11
C BOARD WAVEFORMS
IC1751
pin volt
1 2 . 3
2 2 . 1
3 2 . 3
4
2 2 . 1
3 2 . 3
4
0
5 3 . 8
6 2 0 2 . 5
7 1 3 9 . 3
8 1 5 0 . 4
9 1 4 1 . 8
6 2 0 2 . 5
7 1 3 9 . 3
8 1 5 0 . 4
9 1 4 1 . 8
All voltages are in V
GND
, ASSY
X-4036-730-1
BEZNET
2-5
REF.NO. PART NO. DESCRIPTION REMARK
REF.NO. PART NO. DESCRIPTION REMARK
1
4-046-161-01
EMBLEM (NO.8) SONY
2
3
3
4-062-604-01
DOOR
4
4-062-607-01
GUIDE, LED
5
4-062-603-11
BUTTON, MULTI
6
1-505-930-11
SPEAKER (9x5 cm)
7
8-738-768-05 CRT 21NX
8
8-451-440-21
DY Y21NXA-X
9
4-053-005-01
SPACER, DY
10
1-452-277-00
MAGNET, BMC
11 *
A-1331-867-A
C BOARD, MOUNTED
12 *
4-375-394-01
SPRING, TENSION
13
1-411-941-11
COIL, DEMAGNETIZATION
14
4-062-602-03
COVER, REAR
REF.NO.
PART NO. DESCRIPTION REMARK
REF.NO.
PART NO. DESCRIPTION REMARK
7-685-663-71 SCREW +BVTP 4X16
7-1. CHASSIS
15 *
A-1298-700-A
A BOARD, COMPLETE
16
1-453-283-11
TRANSFORMER ASSY, FLYBACK (NX-1744//X4E4)
17
8-598-431-10
TUNER BTF-WA411
18
1-766-374-11 PLUG, F PIN
19
1-769-796-71
CORD, POWER (WITH CONNECTOR)
20
1-452-032-00
MAGNET, DISC
21
4-051-735-22
PIECE (A) 75 CONVERSION CORRECTION
22
3-704-372-31
HOLDER, HV CABLE
2
3
6
1
6
4
5
21
7
8
15
16
11
9
10
17
18
19
14
13
12
22
20
SECTION 7
EXPLODED VIEWS
*
" are not stocked
since they are seldom required for routine
service. Some delay should be
anticipated when ordering these items.
service. Some delay should be
anticipated when ordering these items.
Items with no part number and no
description are not stocked because
they are seldom required for routine service
they are seldom required for routine service
The component parts of an assembly
are indicated by the reference numbers in
the remarks column.
the remarks column.
The components identified with gray shading and a critical
symbol ( ) are critical for safety. Replace only with part
number specified.
symbol ( ) are critical for safety. Replace only with part
number specified.
Note:
Les composants identifies per un trame et une marque
sont critiques pout la securite. Ne les remplacer que
par une piece portant le numero specifie.
Note:
4-365-808-01 SCREW (5) TAPPING
7-685-648-79 SCREW +BVTP 3X12
1
2
3
140.0 Vp-p (H)
107.8 Vp-p (H)
120.6 Vp-p (H)
870 C Schematic.p65
6/14/99, 9:18 AM
1
C BOARD SCHEMATIC DIAGRAM
R.G.B. DRIVE
CRT DRIVE
1
2
3
4
5
6
A
B
C
D
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
— 39 —
— 40 —
— 41 —
— 42 —
A Board
C BOARD
IC VOLTAGE LIST
IC VOLTAGE LIST
KV-21XE42C
C Board
6-4. SEMICONDUCTORS
2SA1162-G
2SD601A-QRS-TX
2SB709A-QRS-TX
2SD601A-QRS-TX
2SB709A-QRS-TX
2SA1175-HFE
2SC2785-HFE
2SA1309A
2SC3311A
2SC2785-HFE
2SA1309A
2SC3311A
2SC3209
2SD1312-K
2SD774-34
2SC3209LK-TP
2SD1312-K
2SD774-34
2SC3209LK-TP
UPC1093J-1-T
GPD08DPKG3
EL1Z-V1
RGP10GPKG3
1SS133T-77
MTZJ-T-77-10B
MTZJ-T-77-30D
MTZJ-T-77-5.1C
D2S4MTA1
RGP10GPKG3
1SS133T-77
MTZJ-T-77-10B
MTZJ-T-77-30D
MTZJ-T-77-5.1C
D2S4MTA1
`
`
{
|
`
`
{
|
D3SB60F
SBX1981-51
2SA1091-0
2SD1292
2SD1292
E
B
C
E
LETTER SIDE
C B
E
C
B
CATHODE
ANODE
2SK2845-LB102
S
D
G
MA111
CATHODE
ANODE
2SC5426-01
B
C
E
E C
B
CATHODE
ANODE
REF
CATHODE
ANODE
2SD2137-OP-TA
9
10
11
C BOARD WAVEFORMS
IC1751
pin volt
1 2 . 3
2 2 . 1
3 2 . 3
4
2 2 . 1
3 2 . 3
4
0
5 3 . 8
6 2 0 2 . 5
7 1 3 9 . 3
8 1 5 0 . 4
9 1 4 1 . 8
6 2 0 2 . 5
7 1 3 9 . 3
8 1 5 0 . 4
9 1 4 1 . 8
All voltages are in V
GND
, ASSY
X-4036-730-1
BEZNET
2-5
REF.NO. PART NO. DESCRIPTION REMARK
REF.NO. PART NO. DESCRIPTION REMARK
1
4-046-161-01
EMBLEM (NO.8) SONY
2
3
3
4-062-604-01
DOOR
4
4-062-607-01
GUIDE, LED
5
4-062-603-11
BUTTON, MULTI
6
1-505-930-11
SPEAKER (9x5 cm)
7
8-738-768-05 CRT 21NX
8
8-451-440-21
DY Y21NXA-X
9
4-053-005-01
SPACER, DY
10
1-452-277-00
MAGNET, BMC
11 *
A-1331-867-A
C BOARD, MOUNTED
12 *
4-375-394-01
SPRING, TENSION
13
1-411-941-11
COIL, DEMAGNETIZATION
14
4-062-602-03
COVER, REAR
REF.NO.
PART NO. DESCRIPTION REMARK
REF.NO.
PART NO. DESCRIPTION REMARK
7-685-663-71 SCREW +BVTP 4X16
7-1. CHASSIS
15 *
A-1298-700-A
A BOARD, COMPLETE
16
1-453-283-11
TRANSFORMER ASSY, FLYBACK (NX-1744//X4E4)
17
8-598-431-10
TUNER BTF-WA411
18
1-766-374-11 PLUG, F PIN
19
1-769-796-71
CORD, POWER (WITH CONNECTOR)
20
1-452-032-00
MAGNET, DISC
21
4-051-735-22
PIECE (A) 75 CONVERSION CORRECTION
22
3-704-372-31
HOLDER, HV CABLE
2
3
6
1
6
4
5
21
7
8
15
16
11
9
10
17
18
19
14
13
12
22
20
SECTION 7
EXPLODED VIEWS
*
" are not stocked
since they are seldom required for routine
service. Some delay should be
anticipated when ordering these items.
service. Some delay should be
anticipated when ordering these items.
Items with no part number and no
description are not stocked because
they are seldom required for routine service
they are seldom required for routine service
The component parts of an assembly
are indicated by the reference numbers in
the remarks column.
the remarks column.
The components identified with gray shading and a critical
symbol ( ) are critical for safety. Replace only with part
number specified.
symbol ( ) are critical for safety. Replace only with part
number specified.
Note:
Les composants identifies per un trame et une marque
sont critiques pout la securite. Ne les remplacer que
par une piece portant le numero specifie.
Note:
4-365-808-01 SCREW (5) TAPPING
7-685-648-79 SCREW +BVTP 3X12
1
2
3
140.0 Vp-p (H)
107.8 Vp-p (H)
120.6 Vp-p (H)
870 C Schematic.p65
6/14/99, 9:18 AM
1
C BOARD SCHEMATIC DIAGRAM
R.G.B. DRIVE
CRT DRIVE
1
2
3
4
5
6
A
B
C
D
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
— 39 —
— 40 —
— 41 —
— 42 —
A Board
C BOARD
IC VOLTAGE LIST
IC VOLTAGE LIST
KV-21XE42C
C Board
6-4. SEMICONDUCTORS
2SA1162-G
2SD601A-QRS-TX
2SB709A-QRS-TX
2SD601A-QRS-TX
2SB709A-QRS-TX
2SA1175-HFE
2SC2785-HFE
2SA1309A
2SC3311A
2SC2785-HFE
2SA1309A
2SC3311A
2SC3209
2SD1312-K
2SD774-34
2SC3209LK-TP
2SD1312-K
2SD774-34
2SC3209LK-TP
UPC1093J-1-T
GPD08DPKG3
EL1Z-V1
RGP10GPKG3
1SS133T-77
MTZJ-T-77-10B
MTZJ-T-77-30D
MTZJ-T-77-5.1C
D2S4MTA1
RGP10GPKG3
1SS133T-77
MTZJ-T-77-10B
MTZJ-T-77-30D
MTZJ-T-77-5.1C
D2S4MTA1
`
`
{
|
`
`
{
|
D3SB60F
SBX1981-51
2SA1091-0
2SD1292
2SD1292
E
B
C
E
LETTER SIDE
C B
E
C
B
CATHODE
ANODE
2SK2845-LB102
S
D
G
MA111
CATHODE
ANODE
2SC5426-01
B
C
E
E C
B
CATHODE
ANODE
REF
CATHODE
ANODE
2SD2137-OP-TA
9
10
11
C BOARD WAVEFORMS
IC1751
pin volt
1 2 . 3
2 2 . 1
3 2 . 3
4
2 2 . 1
3 2 . 3
4
0
5 3 . 8
6 2 0 2 . 5
7 1 3 9 . 3
8 1 5 0 . 4
9 1 4 1 . 8
6 2 0 2 . 5
7 1 3 9 . 3
8 1 5 0 . 4
9 1 4 1 . 8
All voltages are in V
GND
, ASSY
X-4036-730-1
BEZNET
2-5
REF.NO. PART NO. DESCRIPTION REMARK
REF.NO. PART NO. DESCRIPTION REMARK
1
4-046-161-01
EMBLEM (NO.8) SONY
2
3
3
4-062-604-01
DOOR
4
4-062-607-01
GUIDE, LED
5
4-062-603-11
BUTTON, MULTI
6
1-505-930-11
SPEAKER (9x5 cm)
7
8-738-768-05 CRT 21NX
8
8-451-440-21
DY Y21NXA-X
9
4-053-005-01
SPACER, DY
10
1-452-277-00
MAGNET, BMC
11 *
A-1331-867-A
C BOARD, MOUNTED
12 *
4-375-394-01
SPRING, TENSION
13
1-411-941-11
COIL, DEMAGNETIZATION
14
4-062-602-03
COVER, REAR
REF.NO.
PART NO. DESCRIPTION REMARK
REF.NO.
PART NO. DESCRIPTION REMARK
7-685-663-71 SCREW +BVTP 4X16
7-1. CHASSIS
15 *
A-1298-700-A
A BOARD, COMPLETE
16
1-453-283-11
TRANSFORMER ASSY, FLYBACK (NX-1744//X4E4)
17
8-598-431-10
TUNER BTF-WA411
18
1-766-374-11 PLUG, F PIN
19
1-769-796-71
CORD, POWER (WITH CONNECTOR)
20
1-452-032-00
MAGNET, DISC
21
4-051-735-22
PIECE (A) 75 CONVERSION CORRECTION
22
3-704-372-31
HOLDER, HV CABLE
2
3
6
1
6
4
5
21
7
8
15
16
11
9
10
17
18
19
14
13
12
22
20
SECTION 7
EXPLODED VIEWS
*
" are not stocked
since they are seldom required for routine
service. Some delay should be
anticipated when ordering these items.
service. Some delay should be
anticipated when ordering these items.
Items with no part number and no
description are not stocked because
they are seldom required for routine service
they are seldom required for routine service
The component parts of an assembly
are indicated by the reference numbers in
the remarks column.
the remarks column.
The components identified with gray shading and a critical
symbol ( ) are critical for safety. Replace only with part
number specified.
symbol ( ) are critical for safety. Replace only with part
number specified.
Note:
Les composants identifies per un trame et une marque
sont critiques pout la securite. Ne les remplacer que
par une piece portant le numero specifie.
Note:
4-365-808-01 SCREW (5) TAPPING
7-685-648-79 SCREW +BVTP 3X12
1
2
3
140.0 Vp-p (H)
107.8 Vp-p (H)
120.6 Vp-p (H)
870 C Schematic.p65
6/14/99, 9:18 AM
1
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