DOWNLOAD Sony KLV-21SG2 (serv.man2) Service Manual ↓ Size: 9.74 MB | Pages: 91 in PDF or view online for FREE

Model
KLV-21SG2 (serv.man2)
Pages
91
Size
9.74 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-21sg2-sm2.pdf
Date
PREV: Sony KE-42TS2E / KE-42TS2U Service Manual

Sony KLV-21SG2 (serv.man2) Service Manual ▷ View online

KLV-21SG2 (UC)      3-25
<COMPONENT SIDE>
<CONDUCTOR SIDE>
G2
[POWER SUPPLY]
— G2 BOARD —
1
2
3
4
5
A
B
1
2
3
4
5
A
B
KLV-21SG2 (UC)      3-26
(4)
Schematic Diagram of H1 and H2 Boards
1
A
B
C
D
E
F
2
7
6
5
4
3
<COMPONENT SIDE>
<CONDUCTOR SIDE>
H1
[KEY]
— H1 BOARD —
1
A
B
C
D
E
F
2
7
6
5
4
3
<COMPONENT SIDE>
<CONDUCTOR SIDE>
H2
[HEADPHONE, INPUT TERMINAL]
— H2 BOARD —
+
CHANNEL
(KEY)
H1
B-SS11933<UC.>-H1.
CN1008
TO B(1/8)BOAR
POWER_INT
KEY1
GND
POWER INT
KEY1
WHT
CN1501
3P
3
2
1
R1504
2.7k
CHIP
1/10W
R1503
910
CHIP
1/10W
R1502
470
CHIP
1/10W
R1501
220
CHIP
1/10W
JL1501
JL1504
JL1503
S1508
C1504
B
0.1
16V
1608
S1501
S1502
S1503
S1504
S1505
C1501
B
0.1
16V
1608
POWER
-
VOLUME
-
+
INPUT
SELECT
AUDIO L
AUDIO R
(HEADPHONE, INPUT TERMINAL)
H2
CN7001
TO A(3/4)BOARD
R9233
0
CHIP
R9232 0 CHIP
R9231
0
CHIP
J7601
HP-DET
HP-L
HP-R
HP-GND
CN7601
4P
4
3
2
1
CN9004
TO A(1/4)BOARD
J9202
S
R
L
V
2
1
4
3
JL9208
JL9207
JL9206
JL9215
JL9216
JL9213
JL9214
JL9215
RV2
LV2
S-2
GND
V2
GND
Y2
GND
C2
 NC
CN9202
12P
WHT
10
9
8
7
6
5
4
3
2
1
R9216
0
CHIP
R9206
0
CHIP
R9202
0
CHIP
R9212
0
CHIP
R9205
0
CHIP
R9214
0
CHIP
R9213
0
CHIP
R9215
0
CHIP
NC
GND
12
11
B-SS11933<UC.>-H2.
HEADPHONE
L
R
AUDIO
VIDEO
S VIDEO
VIDEO 2
 INPUT
KLV-21SG2 (UC)      3-27
(5)
Schematic Diagram of H3 and U1 Boards
1
A
B
C
D
E
F
2
7
6
5
4
3
<COMPONENT SIDE>
<CONDUCTOR SIDE>
H3
[SIRCS, LED]
— H3 BOARD —
1
A
B
C
D
E
F
2
7
6
5
4
3
<COMPONENT SIDE>
<CONDUCTOR SIDE>
U1
[INPUT TERMINAL]
— U1 BOARD —
STBY5V
3.6
0
0.1
5.0
5.0
5.0
0
0
3.3
(SIRCS,LED)
H3
LED SW
LED SW
BS
LED DRIVE
STBY
LED DRIVE
B-SS11933<UC.>-H3.
CN1004
TO B(1/8)BOARD
Q1607
DTA114EUA
D1607
SML-310LTT86
D1602
SML-310LTT86
R1603
3.9K
CHIP
1/10W
R1607
1.5K
CHIP
1/10W
POWER LED
STBY LED
P SAVE LED
STBY 5V
GND
CN1601
5P
5
4
3
2
1
Q1603
DTC114EUA
Q1608
DTC114EKA
Q1601
DTC114EUA
JL1604
JL1603
JL1602
JL1601
STBY5V
SIRCS
C1653
F
22
10V
3216
C1652
F
22
10V
3216
JL1652
JL1651
IC1651
RS-20
GND2
GND1
OUT
VCC
R1652
47
CHIP
1/10W
D1651
MM3Z5V6ST1
R1651
470
CHIP
1/10W
C1651
B
2200p
50V
1608
SIRCS
STBY 5V
GND
MS BS2
9
8
7
6
D1604
SMLU12D16W
POWER
R1605
820
CHIP
1/10W
RED
GREEN
RED
(INPUT TERMINAL)
U1
CN9007
TO A(1/4)BOARD
J9201
S
R
L
V
2
1
4
3
JL9204
JL9203
JL9202
JL9211
JL9212
JL9209
JL9210
JL9201
RV1
LV2
S-1
GND
V1
GND
Y1
GND
C1
CN9201
10P
WHT
10
9
8
7
6
5
4
3
2
1
R9211
0
CHIP
R9204
0
CHIP
R9201
0
CHIP
R9207
0
CHIP
R9203
0
CHIP
R9209
0
CHIP
R9208
0
CHIP
R9210
0
CHIP
B-SS11933<UC.>-U1.
L
R
AUDIO
VIDEO
S VIDEO
VIDEO 1
  INPUT
GND
KLV-21SG2 (UC)      3-28
(6)
Schematic Diagram of D2 Board
1
A
B
C
D
E
F
G
H
I
K
J
2
12
13
11
10
9
8
7
6
5
4
3
14
15
+16.5V
+16.5V
8.1
1.6
8.1
5.2
0.4
1.2
-1.2
0.4
1.2
1.2
1.5
1.2
1.5
1.5
1.4
1.1
1.8
2.9
1.7
1.5
1.5
3.1
2.5
0
0
3.4
1.6
1.6
3.4
+16.5V
D5V
1.1
1.1
0
0
3.1
0
0
0
3.0
3.1
0
3.1
+16.5V
7.5
1.6
15.1
1.1
1.2
0.4
1.1
1.2
0.5
1.5
1.3
1.5
1.5
1.4
1.1
1.8
2.9
1.6
1.5
1.5
3.1
2.5
0
0
3.4
1.6
1.6
0
0
3.1
0
0
3.1
0
1.1
1.1
0
3.1
0
0
0
3.1
15.4
1.6
7.6
1.2
1.2
2.0
1.5
1.5
1.5
1.5
0
1.2
0.6
0.6
1.6
8.1
COMP2
COMP1
COMP3
COMP2
COMP1
COMP3
TO A(4/4)BOARD
CN4605
TO G2 BOARD
CN6352
CN4604
TO A(4/4)BOARD
R8266
CHIP
XX
RN-CP
CHIP
CHIP
RN-CP
CHIP
CHIP
R8274
VS2
IS2
FB2
VS1
IS1
FB1
GND
CT
SRT
RT
RDIS
BCT
BRT
DUTY
VCC
P1
N1
PGND
N2
P2
SCP2
SCP1
SS
REG
COMP2
COMP1
STB
FAIL
VS2
IS2
FB2
VS1
IS1
FB1
GND
CT
SRT
RT
RDIS
BCT
BRT
DUTY
VCC
P1
N1
PGND
N2
P2
SCP2
SCP1
SS
REG
COMP2
COMP1
STB
FAIL
(INVERTER)
D2
B-SS11933<UC.>-D2.
TO LCD UNIT
TO LCD UNIT
TO LCD UNIT
TO LCD UNIT
SW
SW
INVERTER CONTROL
SW
SW
SW
SW
INVERTER CONTROL
SW
SW
TO LCD UNIT
TO LCD UNIT
TO LCD UNIT
TO LCD UNIT
GND
GND
16.5V
16.5V
DIMMER
GND
D5V
GND
GND
16.5V
16.5V
16.5V
GND
BACK LIGHT
PANEL DET
T8212
7
5
6
4
1
8
2
3
T8210
7
5
6
4
1
8
2
3
T8211
7
5
6
4
1
8
2
3
R8254
XX
1/10W
R8255
XX
1/10W
R8257
120k
RN-CP
1/10W
R8256
120k
RN-CP
1/10W
R8220
24k
RN-CP
1/10W
R8217
24k
RN-CP
1/10W
T8208
7
5
6
4
1
8
2
3
T8209
7
5
6
4
1
8
2
3
T8207
7
5
6
4
1
8
2
3
T8206
7
5
6
4
1
8
2
3
T8205
7
5
6
4
1
8
2
3
T8204
7
5
6
4
1
8
2
3
T8202
7
5
6
4
1
8
2
3
T8203
7
5
6
4
1
8
2
3
T8201
7
5
6
4
1
8
2
3
C8261
B
0.47
16V
2012
2012
B
16V
0.47
C8251
2012
B
16V
0.47
C8250
2012
B
16V
0.47
C8246
2012
B
16V
0.47
C8247
PS8204
3.15A
PS8203
3.15A
PS8201
3.15A
PS8202
3.15A
5720
CH
4kV
22p
C8274
5720
CH
4kV
22p
C8272
5720
CH
4kV
22p
C8270
5720
CH
4kV
22p
C8268
5720
CH
4kV
22p
C8266
5720
CH
4kV
22p
C8264
5720
CH
4kV
22p
C8213
5720
CH
4kV
22p
C8211
5720
CH
4kV
22p
C8209
5720
CH
4kV
22p
C8207
5720
CH
4kV
22p
C8205
5720
CH
4kV
22p
C8203
C8284
B
0.1
16V
1608
D8230
1SS355
R8268
470
CHIP
1/10W
R8243
470
CHIP
1/10W
R8216
10k
CHIP
1/10W
D8222
1SS355
XX
CHIP
R8270
0
CHIP
R8269
0
CHIP
R8271
XX
C8277
B
0.1
16V
1608
R8272
XX
C8283
B
0.1
16V
1608
D8229
1SS355
R8267
470
CHIP
1/10W
R8273
XX
Q8218
UMW1NTR
4
5
6
1
2
3
Q8217
UMH2NL02TN
4
5
6
1
2
3
Q8216
UMH2NL02TN
C8202
B
0.1
16V
1608
R8215
10k
CHIP
1/10W
R8206
470
CHIP
1/10W
D8204
1SS355
R8265
XX
R8262
0
CHIP
R8261
0
CHIP
R8211
10k
CHIP
1/10W
R8213
10k
CHIP
1/10W
R8264
CHIP
C8282
B
0.1
16V
1608
D8228
1SS355
R8260
470
CHIP
1/10W
C8276
B
0.1
16V
1608
R8242
470
CHIP
1/10W
XX
CHIP
D8221
1SS355
5
4
3
2
1
Q8215
UMW1NTR
4
5
6
1
2
3
Q8214
UMH2NL02TN
C8281
B
0.1
16V
1608
D8227
1SS355
R8259
470
CHIP
1/10W
4
5
6
1
2
3
Q8213
UMH2NL02TN
R8263
XX
C8201
B
0.1
16V
1608
R8205
470
CHIP
1/10W
D8203
1SS355
HOT-12
HOT-11
HOT-10
3P
CN8205
3
2
1
HOT-9
HOT-8
HOT-7
3P
CN8204
3
2
1
HOT-6
HOT-5
HOT-4
3P
CN8203
3
2
1
HOT-3
HOT-2
HOT-1
3P
CN8202
3
2
1
BD9766FV
IC8202
12345678
9
1
01
11
21
31
4
15
16
17
18
19
20
21
22
23
24
25
26
27
28
BD9766FV
IC8201
12345678
9
1
01
11
21
31
4
15
16
17
18
19
20
21
22
23
24
25
26
27
28
RN-CP
1/10W
110k
R8224
R8221
82k
RN-CP
1/10W
R8222
82k
RN-CP
1/10W
C8226
B
0.1
16V
1608
R8249
24k
RN-CP
1/10W
R8252
1k
RN-CP
1/10W
R8253
1k
RN-CP
1/10W
C8279
CH
220p
50V
1608
C8280
CH
220p
50V
1608
C8259
B
10
25V
3225
COOL-12
COOL-11
COOL-10
CN8209
3P
3
2
1
COOL-9
COOL-8
COOL-7
CN8208
3P
3
2
1
COOL-6
COOL-5
COOL-4
CN8207
3P
3
2
1
COOL-3
COOL-2
COOL-1
CN8206
3P
3
2
1
2SK3018-T106
Q8212
S
R8258
27k
RN-CP
1/10W
D8226
1SS355
D8225
1SS355
D8214
UDZS-TE17-5.1B
GP
SP
GN
SN
UPA1716G-E2
Q8204
D4
D3
D2
D1
G
S3
S2
S1
1234
5
6
7
8
UPA1716G-E2
Q8203
D4
D3
D2
D1
G
S3
S2
S1
1234
5
6
7
8
UPA1716G-E2
Q8202
D4
D3
D2
D1
G
S3
S2
S1
1234
5
6
7
8
UPA1716G-E2
Q8201
D4
D3
D2
D1
G
S3
S2
S1
1234
5
6
7
8
Q8211
FDS6690A
D4
D3
D2
D1
G
S3
S2
S1
1234
5
6
7
8
Q8210
FDS6690A
D4
D3
D2
D1
G
S3
S2
S1
1234
5
6
7
8
Q8209
FDS6690A
D4
D3
D2
D1
G
S3
S2
S1
1234
5
6
7
8
Q8208
FDS6690A
D4
D3
D2
D1
G
S3
S2
S1
1234
5
6
7
8
R8227
0
CHIP
CN8210
4P
4
3
2
1
WHT
CN8201
11P
11
10
9
8
7
6
5
4
3
2
1
R8236
330k
RN-CP
1/10W
R8251
1k
RN-CP
1/10W
R8248
56k
RN-CP
1/10W
R8250
13k
RN-CP
1/10W
C8278
CH
330p
50V
1608
RN-CP
1/10W
82k
R8240
RN-CP
1/10W
82k
R8238
RN-CP
1/10W
82k
R8209
RN-CP
1/10W
82k
R8207
R8246
430
RN-CP
1/10W
R8244
430
RN-CP
1/10W
R8203
430
RN-CP
1/10W
R8201
430
RN-CP
1/10W
R8231
4.3k
RN-CP
1/10W
R8230
3.9k
RN-CP
1/10W
R8247
20
RN-CP
1/10W
R8245
20
RN-CP
1/10W
RN-CP
1/10W
20
R8204
RN-CP
1/10W
20
R8202
C8275
B
0.033
16V
1608
C8273
B
0.033
16V
1608
C8271
B
0.033
16V
1608
C8269
B
0.033
16V
1608
C8267
B
0.033
16V
1608
C8265
B
0.033
16V
1608
C8214
B
0.033
16V
1608
C8212
B
0.033
16V
1608
C8210
B
0.033
16V
1608
C8208
B
0.033
16V
1608
C8206
B
0.033
16V
1608
C8204
B
0.033
16V
1608
-
+
+
-
BA10358FV-E2
IC8203
1234
5
6
7
8
2SK3018-T106
Q8207
S
R8237
15k
RN-CP
1/10W
C8260
B
0.01
25V
1608
R8229
12k
RN-CP
1/10W
C8229
B
4700p
50V
1608
C8231
B
4700p
50V
1608
C8239
B
0.01
25V
1608
C8232
B
0.1
16V
1608
R8214
100k
RN-CP
1/10W
C8222
B
10
25V
3225
D8216
1SS302-TE85L
C8216
B
4.7
25V
3225
1608
B
50V
4700p
C8237
D8220
1SS302-TE85L
R8219
10k
CHIP
1/10W
C8263
B
4.7
25V
3225
C8224
B
10
25V
3225
D8202
1SS302-TE85L
D8206
1SS302-TE85L
C8236
B
0.047
16V
1608
D8218
1SS302-TE85L
D8210
1SS302-TE85L
R8235
100k
RN-CP
1/10W
C8227
B
4700p
50V
1608
R8226
68k
RN-CP
1/10W
D8224
1SS302-TE85L
D8212
UDZS-TE17-5.1B
C8255
B
10
25V
3225
1608
B
50V
4700p
C8233
1608
B
16V
0.047
C8242
RN-CP
1/10W
330k
R8241
C8220
B
10
25V
3225
RN-CP
1/10W
330k
R8210
1608
B
16V
0.047
C8243
C8257
B
10
25V
3225
D8209
1SS302-TE85L
C8253
B
0.1
16V
1608
C8245
B
10 10V
3216
C8252
B
0.22
16V
1608
R8233
10k
CHIP
1/10W
D8207
1SS302-TE85L
D8213
UDZS-TE17-5.1B
D8223
1SS302-TE85L
D8217
1SS302-TE85L
D8201
1SS302-TE85L
R8225
68k
RN-CP
1/10W
R8228
100k
CHIP
1/10W
R8232
10k
CHIP
1/10W
C8256
B
10
25V
3225
C8228
B
0.1
16V
1608
C8249
B
0.1
16V
1608
1608
B
50V
4700p
C8238
C8223
B
10
25V
3225
RN-CP
1/10W
330k
R8208
C8215
B
4.7
25V
3225
1608
B
16V
0.047
C8241
D8215
1SS302-TE85L
D8208
1SS302-TE85L
C8262
B
4.7
25V
3225
1608
B
50V
4700p
C8234
C8244
B
10
10V
3216
D8205
1SS302-TE85L
D8219
1SS302-TE85L
C8254
B
10
25V
3225
R8223
22k
CHIP
1/10W
1608
B
16V
0.047
C8240
R8234
100k
RN-CP
1/10W
D8211
UDZS-TE17-5.1B
R8212
100k
RN-CP
1/10W
C8235
B
0.047
16V
1608
C8230
B
0.01 25V
1608
R8218
10k
CHIP
1/10W
RN-CP
1/10W
330k
R8239
C8221
B
10
25V
3225
C8225
B
4700p
50V
1608
C8248
B
0.22
16V
1608
C8258
B
10
25V
3225
C8219
B
10
25V
3225
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