Sony KLV-21SR2 Service Manual ▷ View online
KLV-21SR2 (AEP) 3-16
(5) H1, H2 Boards
1
A
B
C
D
2
7
6
5
4
3
1
A
B
C
D
2
7
6
5
4
3
(KEY)
H1
CN1008
TO B(1/7)BOARD
B-SS11800<AEP>-H1.
CH-
VOL-
INPUT
VOL+
POWER
CH+
SIGN15
SIGN13
XX
D1503
JL1504
GND
POWER INT
KEY1
WHT
CN1501
3P
3
2
1
XX
D1501
R1503
910
CHIP
1/10W
C1501
B
0.1
16V
16V
1608
S1502
JL1501
JL1503
R1504
2.7k
CHIP
1/10W
S1503
R1501
220
CHIP
1/10W
S1501
C1504
B
0.1
16V
16V
1608
S1508
S1504
S1505
R1502
470
CHIP
1/10W
C1502
B
XX
16V
1608
AUDIO L
AUDIO R
(HP JACK)
H2
CN7001
TO A(2/5)BOARD
B-SS11800<AEP>-H2.
R7603
XX
JL7603
XX
D7603
R7604
0
CHIP
1/10W
R760210
CHIP
1/10W
R7601
10
CHIP
C7601
B
0.022
25V
1608
C7602
B
0.022
25V
1608
100p
C7603
CH
50V
1608
C7604
CH
100p
50V
1608
JL7607
JL7606
JL7605
JL7604
JL7602
JL7601
MA3200WA-TX
D7602
MA3200WA-TX
D7601
J7601
HP-GND
HP-L
HP-R
GND
CN7601
4P
4
3
2
1
C7605
B
XX
16V
1608
KLV-21SR2 (AEP) 3-17
(6) H3, H4 Boards
1
A
B
C
D
2
7
6
5
4
3
1
A
B
C
D
2
7
6
5
4
3
STBY5V
3.6
0
0.1
5.0
5.0
5.0
3.1
5.0
3.2
0
3.1
5.0
0
0
3.3
DTA114EKA
DTA114EKA
XX
XX
XX
XX
(LED)
H3
LED SW
LED SW
POWER
LED DRIVE
STBY
LED DRIVE
LED DRIVE
LED DRIVE
B-SS11801<AEP>-H3.
CN1004( 1 - 5 )
TO B(1/5)BOARD
L1
L3
L2
L1
L1
L3
L3
L2
L2
Q1605
Q1604
DTA114EKA
Q1606
R1606
100
CHIP
1/10W
D1604
SMLU12D16W
R
G
D1602
SMLU12D16W
R
G
R1603
180
CHIP
1/10W
R1604
180
CHIP
1/10W
POWER LED
STBY LED
P SAVE LED
STBY 5V
GND
CN1601
5P
5
4
3
2
1
Q1603
DTC114EKA
Q1602
DTC114EKA
Q1601
DTC114EKA
D1603
D1605
D1606
R1605
820
CHIP
1/10W
C1603
B
50V
1608
JL1604
JL1603
JL1602
JL1601
STBY5V
SIRCS
CN1004( 7 - 9 )
TO B(1/7)BOARD
(SIRCS)
H4
B-SS11800<AEP>-H4.
C1653
F
22
10V
3216
C1652
F
22
10V
3216
JL1652
JL1651
SIRCS
STBY5V
GND
CN1651
3P
WHT
3
2
1
IC1651
RS-20
GND2
GND1
OUT
VCC
R1652
47
CHIP
1/10W
D1651
UDZSTE-179.1B
R1651
470
CHIP
1/10W
C1651
B
2200p
50V
1608
KLV-21SR2 (AEP) 3-18
(7) TU Board
1
A
B
C
D
E
F
2
11
10
9
8
7
6
5
4
3
+33V
+5V
AUDIO
VIDEO
AUDIO
VIDEO
BUFF
BUFF
(TUNER)
TU
CN9702
TO A(5/5)BOARD
CN9701
TO A(5/5)BOARD
B-SS11800<AEP>-TU.
C6409
B
2200p
50V
1608
C6408
F
0.1
25V
25V
1608
C6407
F
0.1
25V
25V
1608
CHIP
L6404
6.8uH
6.8uH
XX
D6401
L6403
4.7uH
L6402
4.7uH
L6401
4.7uH
C6404
B
0.1
50V
50V
2012
Q6401
2SA1037AK-T146-QR
Q6402
2SA1037AK-T146-QR
GND
32V
SDA_P2
SCL_P2
AGC
GND
6P
CN6401
6
5
4
3
2
1
GND
VIDEO
QSS
FM/AM
5V
GND
6P
CN6402
6
5
4
3
2
1
R6402
0
CHIP
R6409
100
CHIP
1/10W
C6406
CH
47p
50V
50V
1608
C6405
F
0.1
25V
25V
1608
R6410
1k
CHIP
1/10W
R6408
1k
CHIP
1/10W
R6407
100
CHIP
1/10W
R6405
0
CHIP
R6403
0
CHIP
R6401
0
CHIP
C6403
B
XX
25V
1608
C6402
B
XX
25V
1608
C6401
B
XX
25V
1608
R6406
100
CHIP
1/10W
R6404
XX
CHIP
1/10W
TU6401
IF
IF
VIDEO
QSS
FM/AM
+5V
GND
+33V
SDA
SCL
AS
AGC
KLV-21SR2 (AEP) 3-19
1
A
B
C
D
E
F
G
H
2
11
10
9
8
7
6
5
4
3
(8) U1 Board
R/D/D/D
L/G/S/I
3
R/D/D/D
L/G/S/I
3
3
S
AV3
MUTE
MUTE
TO A(5/5)BOARD
CN9403
CN9403
CN9404
TO A(5/5)BOARD
(INPUT TERMINAL)
U1
B-SS11800<AEP>-U1.
MECHA GND
MECHA GND
C
Y
R9033
0
CHIP
R9032
0
CHIP
R9031
100
CHIP
1/10W
R9030
100
CHIP
1/10W
R9029
XX
R9028
XX
R9027
XX
J9001
V
R
L
2
1
4
3
XX
Q9004
XX
Q9003
C9016
XX
R9026
0
CHIP
R9025
470k
CHIP
1/10W
F_RESET
REG9V
MUTE
A_OUT_R
A.GND
A_OUT_L
CN9002
6P
WHT
6
5
4
3
2
1
D9005
UDZS-TE17-9.1B
R9021
XX
C9011
CH
47p
50V
50V
1608
R9015
330
CHIP
1/10W
R9020
XX
R9024
XX
C9014
XX
C9012
47
16V
4
3
2
1
J9002
R
L
R9016
330
CHIP
1/10W
R9019
XX
C9015
XX
R9017
47k
CHIP
1/10W
C9008
CH
47p
50V
50V
1608
C9010
CH
47p
50V
50V
1608
R9018
47k
CHIP
1/10W
D9004
UDZS-TE17-9.1B
R9022
XX
C9013
47
16V
R9023
XX
C9009
CH
47p
50V
50V
1608
Q9001
DTC323TKT146
Q9002
DTC323TKT146
S9001
D9002
UDZS-TE17-9.1B
D9003
UDZS-TE17-9.1B
D9001
UDZS-TE17-9.1B
R9008
220
CHIP
1/10W
1/10W
R9006
220
CHIP
R9004
220
CHIP
1/10W
C9001
CH
100p
50V
1608
C9002
CH
100p
50V
1608
C9003
CH
100p
50V
1608
C9004
CH
100p
50V
1608
1/10W
R9005
330
CHIP
1/10W
R9001
330
CHIP
1/10W
R9007
470k
CHIP
1/10W
R9010
470k
CHIP
R9011
220
CHIP
1/10W
R9013
220
CHIP
1/10W
R9014
220
CHIP
1/10W
C9007
F
1
10V
1608
C9006
F
1
10V
1608
C9005
CH
100p
50V
1608
JL9004
JL9003
JL9002
JL9001
JL9008
JL9007
JL9006
JL9005
A.GND
RV3
LV3
S3
GND
V3
GND
Y3
GND
C3
CN9001
10P
WHT
WHT
10
9
8
7
6
5
4
3
2
1
R9012
XX
CHIP
1/10W
R9009
75
CHIP
R9002
0
CHIP
R9003
0
CHIP
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