Read Sony KV-21FK120 Service Manual online
KV-21FK120
42
KV-21FK120
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A
—
B
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C
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D
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E
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F
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G
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H
KR BOARD SCHEMATIC DIAGRAM
1
2
3
4
5
6
1
2
3
4
5
6
7
8
I
O
G
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1
2
3
4
1
2
3
4
5
C4402
C4424
C4433
C4444
C4445
CN4401
CN4402
D4404
R4403
R4407
R4411
R4414
R4419
R4421
R4422
R4436
JR4401
C4419
IC4401
IC4406
Q4401
C4425
C4426
C4427
C4421
C4422
C4420
C4418
C4417
C4416
R4438
R4442
R4412
C4428
C4429
C4404
C4407
C4412
R4406
C4411
R4405
R4404
C4413
C4414
C4415
C4432
C4441
C4437
C4436
C4440
R4441
C4448
R4439
R4440
C4450
IC4405
R4443
R4415
R4435
C4443
C4442
R4420
CN4403
R4409
R4408
JR4403
C4403
C4405
C4408
C4410
C4423
C4431
C4449
C4451
R4453
R4454
C4455
C4454
JR4452
C4409
R4455
R4456
C4456
C4457
D4401
D4402
D4403
JR4450
JR4451
JR4453
JR4454
JR4455
R4410
R4416
R4417
R4418
R4427
R4428
R4429
R4430
R4445
R4458
R4459
R4460
IC4402
IC4403
L4402
L4401
4.7
1.0
2200p
10
50V
0.1
:CHIP
5P
4P
MA111-TX
100
:CHIP
22k
:CHIP
27k
:CHIP
10k
:CHIP
100
:CHIP
100k
:CHIP
100k
:CHIP
100
:CHIP
0
:CHIP
0.068
M65845AFP
AUDIO PROCCESSOR
NJM4558E(TE2)
AF OP AMP
2SA1235TP-1EP
AUDIO SW
1.0
1.0
1.0
1000p
50V
1.0
0.047
50V
0.1
:CHIP
0.1
:CHIP
100
47k
:CHIP
100
:CHIP
56k
:CHIP
0.01
0.22
16V
1.0
4.7
0.047
50V
22k
:CHIP
1000p
50V
:CHIP
22k
:CHIP
22k
:CHIP
0.068
0.1
:CHIP
47
0.1
:CHIP
1.0
2.2
2.2
1.0
10k
:CHIP
1.0
10k
:CHIP
10k
:CHIP
10000p
ICBA05FP-E2
5V REG
10
100
:CHIP
100
:CHIP
0.1
:CHIP
10
50V
100
:CHIP
6P
22k
:CHIP
22k
:CHIP
0
0.1
0.1
0.1
0.1
0.1
470
470
470
10k
:CHIP
10k
0
1.0
10k
:CHIP
10k
RD9-1EW-T1
RD9.1EW-T1
MTZJ-T-77-5.6B
0
0
0
0
0
39k :CHIP
3.3k
:CHIP
22k
3.3k
:CHIP
82k
10k
10k
82k
22k
4.7k
4.7k
12k
:CHIP
MAX5478EUD
DIGITAL
POTENTIOMETER
MAX5478EUD
DIGITAL
POTENTIOMETER
R-IN
LEFT
RIGHT
L-IN
L-IN
R-IN
R-
OU
T
L-
OU
T
+5
V
CC
+9VCC
+5VCC
A
O
U
T
A
I
N
+
A
I
N
-
G
N
D
B
I
N
+
B
I
N
-
B
O
U
T
V
C
C
RT
LT
LT
GND
L
R
MICIN
KR BOARD
MIC 1
MIC 2
GND
MIC DET
PON
GND
SCL
SDA
9V
GND
SDA
VCFIL
ALC1
VALC
MIC1NFIN
AUDSW2
MIC1OUT
AUDSW1
MIC1VOLIN
MIC2IN
ALC2
MIC2NFIN
MIC2OUT
MIC2VOLIN
MICOUT
LPF1IN
LPF1OUT
ADITIN
ADINTOUT
ADCONT
REF
GND
VCC
DACONT
DAINTIN
DAINTOUT
LPF2IN
LPF2OUT
VOLIN
ECHO
RLINEIN
LLINEIN
RLINEOUT
LLINEOUT
OUT
MICECHO
MICSW
CONT
CLOCK
HA
WA
LA
HB
WB
LB
WP
VDD
SCL
A0
A1
A2
GND
SDA
HA
WA
LA
HB
WB
LB
WP
VDD
SCL
A0
A1
A2
GND
TO-CN402 A BOARD
RT
LT
L
R
MIC 2
MIC 1
TO-CN2402 HK BOARD
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
0.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
1.7
0.0
1.1
0.0
0.0
4.4
4
.
4
4
.
4
4
.
4
4
.
4
4.4
0.0
0.0
4.7
4.7
4.7
4.7
0.0
0.0
0.0
0.0
5.0
5.0
AUDIO PRCESSOR
0.0
MIC INPUTS
TO-CN403 A BOARD
9-965-980-01<BA6>KR
+9V
+5V
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