4
No.52036
No.52036
AV-21D43
AV-20N43
AV-14F43
AV-21D43
AV-20N43
AV-14F43
2-5
2-6
CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAMS
(1/2) [AV-21D43
/BK
, AV-20N43
/BK
]
!
!
!
!
.033
C721
4.7k
R714
2.2k
R771
180p
CH
C729
4.7k
R720
X
C731
BW
K704
1/50
C719
5
.6
Q
Q
L
2
4
4
J
-5
R
6
Z
L
7
0
1
BW
Y705
L-132XID-T16
D704
1.2k
R773
SLR-342MG-T16
D705
33p
CH
C714
820
R772
*4
D706
82k
R736
22k
R748
.01
C712
10k
R721
4.7k
R726
.0
1
C
7
1
3
X
C736
X
C
7
3
5
X
C
7
3
4
10k
R730
1k
R728
100k
R737
X
C
7
3
3
*1
Q703
X
C732
22/50
C738
BW
K703
1
k
R
7
1
9
100/16
C710
*1
Q702
S704
S701
.01
C709
PIC-28143SY
IC704
O
U
T
V
c
c
G
N
D
S702
S703
SI-5003X-X
IC652
15k
R727
S705
B
W
K
7
0
1
1
8
0
p
C
H
C
7
1
7
1k
R729
4.7k
R731
4
.7
k
R
7
0
9
4
.7
k
R
7
1
0
4.7k
R711
FCR12.0M2S
X701
560
R706
56p
C724
100p
CH
C722
10k
R738
10k
R739
560
R707
560
R718
1k
R725
4.7k
R713
4.7k
R712
220
R704
220
R705
1
8
0
p
C
H
C
7
1
6
220
R715
2
2
0
R
7
1
6
56k
R742
*
IC701
X
C
7
3
7
X
C
7
2
5
X
C
7
2
6
.0
1
C
7
2
0
.0
1
C
7
1
8
0
Y704
33p
CH
C715
.01
C711
X
R734
1k
R708
X
R722
X
Y001
.1
TF
C005
QAX0694-001Z
CF162
IC702
180p
CH
C728
.01
C730
*4
D707
L78LR05E-MA
IC703
X
Q704
0
R747
X
C727
47/25
C708
.01
C706
.01
C707
X
Q701
5.6k
R701
6.8K
R702
X
R846
*4
D701
BW
Y002
470/16
C705
10/50
C701
X
R717
10k
R746
ECO
SENSOR
P1241-04
PC701
x
Y301
X
IC371
X
R
8
3
0
X
L821
X
C
8
3
7
X
C
8
3
6
X
C371
X
R
8
4
1
X
R
8
4
5
X
R
8
4
3
X
R
8
4
2
X
R
8
4
4
X
R
8
3
9
X
C831
X
C828
X
R828
X
C
8
3
8
0
Y
3
7
3
X
INVERTER
Q825
X
C822
X
X821
X
C823
X
R
8
3
2
X
C830
4.7M
R327
X
IC821
BW
Y371
0
Y
3
7
2
X
R829
X
C827
X
R
8
2
5
X
C849
X
R838
X
INVERTER
Q822
X
C834
X
INVERTER
Q824
X
R836
X
R837
X
R750
4.7k
R749
BW
Y654
X
C826
X
R827
X
C825
X
R835
X
R831
X
C832
X
C824
X
R834
X
C835
X
R
8
4
0
X
C829
X
R833
X
C833
X
INVERTER
Q821
180
1/2W
R815
CEMN065-001
J003
QNN0384-001
J002
CEMN065-002
J004
*3
Q708
270
1/2W
R806
3.9k
R740
560
R741
*4
D731
10/50
C811
220
R811
220/16
C805
X
C812
*1
Q804
68
R807
75
R802
X
R
8
4
7
4.7k
R817
2SC1815/YG/-T
Q803
470/16
C806
680
R816
*2
Q709
220
R301
4.7k
R302
1
0
0
R
3
0
3
10/50
C341
.01
C306
.47
TF
C304
10p
CH
C303
1/50
N
BP
C367
390
R120
*4
D341
.47/50
C305
8.2
QQL244K-8R2Z
L103
BW
C741
2
2
0
R
1
2
1
.47/50
C119
X
CN001
10/50
C324
.0
1
C
3
1
1
100/16
C315
*1
Q302
120p
CH
C120
.01
C314
1k
R314
47/50
C501
0
R
5
0
2
1.2k
R307
10/50
C503
.01
C502
10/50
C316
10k
R401
.047
C317
0
R
3
1
2
IF
BTPS(32)
AGC
BT
AS
SCL
SDA
BM
5V
LOCK
NC
NC
QAU0186-002
TU001
.47/50
C323
1
k
R
1
6
1
X
R376
2
2
0
p
C
H
C
3
1
0
100
1/2W
R501
X
D793
*2
Q301
1
K
R
3
1
3
.1
C166
1.5k
R321
X
L104
BW
Y653
X
Y655
10k
R796
.01
C744
X
R160
X
C847
X
R745
X
R848
X
C843
CE41651-001Z
X302
12p
CH
C321
2
.7
k
R
3
2
2
.0
2
7
C
3
2
2
10k
R323
X
R325
1
k
R
3
2
4
*5
D301
0
Y302
100
R326
*5
D302
.01
C161
QAX0694-001Z
CF161
EF801
1
0
0
R
3
0
4
1
0
0
R
3
0
5
3.3k
R341
X
C845
X
C844
X
C846
X
C821
220
R664
10k
R665
X
C848
X
R849
*3
Q710
*
C162
15k
R797
*4
D342
.47
TF
C401
3.3/50
C313
X
Y976
X
Y975
X
Y160
470/16
C307
.012
C301
X
R158
X
J006
QAX0325-001
SF122
X
SF101
NN5198K
IC301
.01
C121
.01
C122
X
D795
QAX0705-001Z
X301
1/50
N
BP
C366
1.8k
R308
.01
C309
6.8k
R503
100/16
C308
1/50
N
BP
C365
4.7/50
C302
10
R103
CHGC05-340-G
CN00T
47/25
C112
.0047
C113
2
2
0
p
5
%
C
3
2
6
.01
C115
.0
1
C
1
1
6
.22
TF
C117
180k
R159
X
D794
X
D791
X
D792
220
R791
220
R792
220
R793
220
R794
220
R795
2
2
0
R
3
0
6
X
CN00C
1SR124-400A-T2
D306
.1
TF
C402
X
C109
X
C108
BW
D102
2SC5083/L-P/-T
Q102
X
R116
220/16
QETM1CM-227
C504
180
R111
X
R115
X
R117
.0047
C105
X
C111
QQLZ014-2R2
L101
100
R113
0
C110
X
R114
6.8k
R109
.0047
C106
2.7k
R110
47/25
C103
.0047
C107
X
CF102
.0047
C104
X
CF103
10
R112
X
R118
X
Q103
8.2
QQL244K-8R2Z
L001
.01
C164
X
L002
220
R002
X
C007
MA3330/L/-X
D001
10/50
C001
.01
C002
56K
R004
220
R003
X
C003
*9
K001
4.7/50
C008
X
C006
470/10
C004
2.2K
R163
2
7
Q
R
Z
9
0
2
3
-2
7
0
!
R
7
2
3
.4
7
/5
0
N
B
P
C
3
1
2
*1
Q655
LA4287
IC651
QGA2501C5-04Z
CN10S
1
/5
0
QTNC1HM-105Z
C
6
5
1
X
NC
CN00S
MTZJ18A-T2
D653
X
N
C163
*
R
6
5
2
SCG
-1434A
4.7
QRX029J-4R7
R654
1
1/2W
R653
2200/25
QEHQ1VM-228
C655
*
C653
.1
C
6
5
4
470/25
H
C656
10/50
H
C652
BW
C742
1k
R658
10/50
H
C663
BW
C743
1k
R659
10k
R660
SCG
-1435A
B
W
Y
6
5
2
1/50
QEHR1HM-105Z
C665
X
C839
10k
R651
12K
R656
390
R657
DTC323TK-X
Q652
X
Q653
100/16
C659
*4
D652
*4
D651
22/50
C658
*2
Q651
56 1W OMR
QRG01GJ-560
R810
*1
Q654
0
Y374
X
Ys SW
Q372
0
R372
X
Ys SW
Q371
6.8k
R374
A
B
L
9
V
V
_
S
Y
N
C
H
_
O
U
T
H
_
V
C
C
F
B
P
V
_
O
U
T
A
.P
R
O
T
P
_
O
N
/O
F
F
X
_
R
A
Y
5
V
A
_
V
C
C
A
_
G
N
D
S
T
B
_
P
W
O
D
D
/E
V
E
N
3
2
V
X
R332
X
R333
X
C334
X
L331
X
N
C335
X
R375
QNS0165-001
J005
X
R385
X
R378
75
R102
X
R373
*
C162
NCB31HK
-681X
R652
C653
NCB31HK
-152X
NRSA02J
-821X
1.2k
R162
220
R164
22
R165
*1
Q161
820
R166
.01
C165
1500p
C841
QFV71HJ
-474Z
RB100A-T2
D305
X
C842
B
W
C
P
C
P
7
0
1
NRSA02J
-102X
-106Z
QEHR1HM
QAX0666-002
SF102
10/50
N
BP
C325
X
R381
X
R377
X
R380
X
R382
X
R379
X
D373
X
Q373
X
D372
X
R383
X
R384
.1
C
6
6
4
270
1/2W
R662
270
1/2W
R661
3.9k
R703
IC701
MN18732
87JM
87JM
MN18732
X
IC001
X
R001
X
C009
BW
Y003
A
_
M
U
T
E
V
O
L
I/II
A
F
T
S
D
A
1
BUS_FREE
S
C
L
1
S
D
A
2
S
C
L
2
A_VCC
AUDIO
LINE_V
O
S
D
_
R
O
S
D
_
G
O
S
D
_
B
T
E
X
T
_
R
FBP
X
_
R
A
Y
T
E
X
T
_
G
T
E
X
T
_
B
T
E
X
T
_
Y
S
B
O
A
.P
R
O
T
3
.5
8
/O
T
H
P
_
O
N
/O
F
F
V
_
O
U
T
VIDEO
LINE_A
T
C
L
O
D
D
/E
V
E
N
TEXT_R
TEXT_G
T
E
X
T
_
B
T
D
A
O
S
D
_
B
LINE_V
O
S
D
_
R
T
E
X
T
_
Y
S
R
O
ODD/EVEN
GO
TEXT/OTH
T
C
L
TEXT/OTH
A_GND
A
.P
R
O
T
O
S
D
_
G
S
D
A
1
A_MUTE
SCL1
V_OUT
SDA1
V_SYNC
V
ID
E
O
S
C
L
1
B
O
A_MUTE
G
O
R
O
O
S
D
_
Y
S
L
IN
E
_
A
FBP
PIC_MUTE
A
_
V
C
C
H
_
V
C
C
P
IC
_
M
U
T
E
H
_
O
U
T
V
_
S
Y
N
C
F
B
P
AFT
A
.P
R
O
T
P
_
O
N
/O
F
F
X
_
R
A
Y
TEXT/OTH
S
D
A
2
B
U
S
_
F
R
E
E
S
T
B
_
P
W
S
C
L
2
TRESET
A
_
G
N
D
S
T
B
_
P
W
LINE_V
H_OUT
P_ON/OFF
A
U
D
IO
3.58/OTH
S
T
B
_
P
W
I/II
VOL
TRESET
TDA
O
S
D
_
Y
S
MENU
IR DETECT UNIT
VOL+
VOL-
CH+
CH-
A
U
D
IO
SDA
SCL
NP
VDD
A0
A1
A2
VSS
P
R
O
T
E
C
T
P
_
O
N
/O
F
F
L
O
C
K
3
.5
8
/O
T
H
4
.5
/O
T
H
H
_
S
Y
N
C
T
V
/V
T
D
A
A
_
M
U
T
E
A
L
C
O
N
/O
F
F
V
O
L
T
E
X
T
I/II
T
E
X
T
/O
T
H
N
C
O
S
D
_
Y
s
O
S
D
_
B
O
S
D
_
G
O
S
D
_
R
R
S
T
G
N
D
L
E
D
[T
IM
]
L
E
D
[P
O
W
]
A
F
T
V
_
S
Y
N
C
T
C
L
O
C
K
E
C
O
IN
N
C
S
D
A
1
S
C
L
1
V
D
D
O
S
C
1
S
C
L
2
B
U
S
_
F
R
E
E
K
E
Y
1
K
E
Y
2
O
S
C
2
V
S
S
R
E
M
O
C
O
N
S
D
A
2
IN
C
D
G
N
D
R
E
S
E
T
5
V
O
U
T
*
5V REG&RESET
R1
R2
B
U
S
_
F
R
E
E
S
C
L
2
S
D
A
2
S
C
L
1
S
D
A
1
N
C
N
C
O
D
D
/
R
E
S
E
T
E
X
T
1
/O
T
H
M
.E
N
A
B
L
E
V
S
S
V
D
D
C
0
R
O
S
D
_
Y
s
O
S
D
_
B
O
S
D
_
G
O
S
D
_
R
V
S
H
S
AV-20
N
C
T
V
A
_
M
U
T
E
T
C
L
O
C
K
T
D
A
T
A
T
E
X
T
/O
T
H
N
C
X
T
A
L
1
X
T
A
L
2
R
S
T
A
_
M
U
T
E
V
O
L
L
/O
T
H
1
L
/O
T
H
2
L
.V
L
/O
T
H
G
N
D
V
D
D
R
E
M
O
C
O
N
V
S
S
K
E
Y
1
K
E
Y
2
S
L
O
W
A
F
T
C
V
B
S
IR
E
F
V
D
D
A
N
C
N
C
F
IL
3
V
S
S
A
L
O
C
K
G1
GO
G2
INH
VEE VSS
C
B
E
V
E
N
A
B2
B1
BO
RO
VDD
V_IN
A_IN
V_OUT
A_OUT
V_IN
A_IN
R
G
B
G
N
D
9
V
*1:
*2:
*3:
*4:
*5:
2SD601A/QR/-X
2SB709A/QR/-X
UN2212-X
MA111-X
MA3091/M/-X
N43-BK
NC
DIFFERENCE LIST (*PARTS)
A2
GND
TV.A
I/II
GND
TV.M
GND
SIF
GND
9V
*6:
MA3120/M/-X
MA3056/M/-X
*7:
QQR0621-002Z
*9:
UN2211-X
*8:
NOTE
V
P
P
S
C
L
C
.A
P
C
1
A
B
C
L
E
X
T
Y
s
E
X
T
R
E
X
T
G
E
X
T
B
V
C
J
V
c
c
(9
V
)
R
_
O
U
T
G
_
O
U
T
B
_
O
U
T
V
C
J
G
N
D
4
.4
3
M
H
Z
S
E
C
A
M
S
E
C
A
M
P
L
L
B
E
L
L
re
f
re
f
SP01
AV-21
A_IN
V
/S
IF
V
c
c
(9
V
)
S
A
W
S
A
W
V
/S
IF
G
N
D
Q
S
S
_
IN
R
F
A
G
C
o
u
t
A
F
T
o
o
u
t
V
/C
IN
IF
_
A
G
C
V
A
P
C
Q
D
e
to
u
t
S
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c
k
L
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l
D
e
-e
m
p
h
a
s
is
C
H
R
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M
A
V
c
c
(9
V
)
V
IF
D
e
t
o
u
t
V
c
c
[5
V
]
V
ID
E
O
_
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P
C
2
Y
/V
s
y
n
c
_
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s
y
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3
.5
8
M
H
z
H
V
c
c
H
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A
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1
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c
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g
S
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V
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r.A
G
C
V
D
D
[5
V
]
S
C
P
V
S
S
S
D
A
F
B
P
21D43-BK
IC301
IC301
IC301
12
POWER
TIMER
HEADPHONE
R
5
0
1
R
7
9
2
11
10
3Vp-p
FRONT
REAR
S701-S705 QSW0619-003Z
3Vp-p
3Vp-p
(H)
D43-BK
20N43-BK
0.2V
5V
0V
0.3V
0.3V
0.2V
2.5V
0V
5V
3.1V
4V
5V
5V
5V
5V
5V
5V
5V
0V
0V
0V
0V
0V
0V
0V
0V
4.8V
4.8V
4.5V
2.4V
2.4V
0.2V
4V
5V
4.8V
5V
4.4V
4.4V
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
0V
0V
0V
0V
0V
5V
2.4V
0V
0V
0V
0V
0V
0.2V
0.8V
5V
5V
5V
0V
2.5V
2.5V
2.6V
5V
2.5V
5V
5V
1.5V
3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
3.3V
3.3V
3.3V
0V
0V
0V
5V
0V 5V 5V
4.8V
4.8V
5V
0V
0V
0V
0V
0V
10.7V
5.9V
0V
5V
5V
23.4V
11.3V
0V
0V
0V
6.3V
6.3V
0.1V
11.1V
11.2V
2
3
.5
V
2
3
.5
V
0
V
0
V
2
3
.6
V
2
3
.6
V
4
.3
V
N
C
0V
0V
0V
0V
0V
5V
5V
5V
5V
3.3V
3.3V
3.3V
3.3V
3.3V
4.4V
6.4V
9V
2.7V
2.7V
4V
4.2V
4.2V
9V
2.8V
2.8V
3.2V
5.8V
3.1V
3.6V
3.7V
4.4V
4.1V
4.1V
4.1V
4.1V
4.1V
4.4V
9V
NC
4.7V
4.1V
0.5V
4.3V
2.6V
6.3V
1.5V
3.7V
1.2V
3.1V
5.4V
NC
0.7V
9V
1.4V
2.2V
5V
0V
0V
0.2V
0.2V
0V
8.2V
4V
4.7V
9V
9V
0V
0V
0V
0V
0.3V
0.9V
0V
0V
11.4V
11.4V
0V
0V
0V
0V
5V
5V
0V
0V
34.5V
5V
(H)
4.4V
4.4V
3.2V
0V
0V
0V
0V
4.7V
4V
(H)
SP01
IC701
IC701
35
R
7
9
3
R
7
9
4
R
7
9
5
R
7
9
1
C
5
0
2
C
5
0
3
C
5
0
1
27
5Vp-p
5Vp-p
(VER)
(HOR)
IC301
IC301
36
38
2.8Vp-p
2.8Vp-p
(H)
(H)
CEBSS12
AT24C08-21D43BK
SCG-1434A
(AV-20N43/BK)
D-07KJ2
QQD0086
SCG-1435A
(AV-21D43/BK)
-001
MAIN PWB
(1/2)
*
OR
OR
QNN0281-003
QNN0281-002
AV-21D43
AV-20N43
AV-21D43
AV-20N43
Содержание AV-14F43, AV-20N43, AV-21D43
Страница 65: ...No 52036 AV 14F43 58 Memo ...
Страница 66: ...No 52036 AV 14F43 59 Memo ...