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CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAMS (1/2) [AV-14A3, AV-14A3/AU, AV-14A3/HK, AV-1415EE]
D703
R773
560
SPR-39MVWF
SW
R749
4.7k
Q710
*3
C738
R748
X
R796
100
10k
D707
*4
TRESET
TDA
0.7V
4.7V
TEXT/OTH
0V
4.2V
0.1V 2.4V
0V
D801
X
!
C727
X
R747
0
4.9V 4.9V
1.7V
4.9V
0V
4.1V
4.9V
0V
C712
.01
Q704
C725
X
C720
X
SW
.01
C723
56p
R746
10k
R734
Y704
R722
X
0
X
R706
560
C743
BW
Q701
X
SW
R717
Y802
X
X
C854
X
Y801
X
EF802
EF801
X
X
C827
0V
L825
X
R857
X
L826
X
ODD/EVEN
2.4V
3.3V
IC822
X
C847
REG
X
C850
IN
GND
X
4.9V
C848
X
FRONT
J004
A_IN
CEMN065-002
3
OR
QNN0281-002
J003
V_IN
CEMN065-001
OR
QNN0281-003
J002
C841
Y371
QNN0384-001
1500p
BW
REAR
VIDEO
V_IN
1
R802
A_IN
75
V_OUT
AUDIO
R810
56
A_OUT
1W OMR
C842
QRG01GJ-560
X
1.2V
Q803
C805
2SC1815/YG/-T
220/16
BUFFER
R811
8.1V
220
TEXT_R
C806
R807
470/16
68
4.8V
4.1V
LINE_V
GO
NRSA02J-680X
R806
TEXT_G
270
1/2W
R815
C811
180
1
10/50
1/2W
R816
680
0.3V
R817
LINE_A
Q804
4.7k
0V
*1
SW
A_MUTE
C812
X
R772
VOL+
VOL-
CH+
CH-
MENU
390
S702
QSW0619-003Z
S704
QSW0619-003Z
S705
S701
QSW0619-003Z
S703
QSW0619-003Z
QSW0619-003Z
R721
R727
R731
R730
R726
10k
15k
4.7k
10K
C719
4.7k
1/50
C721
R736
4.9V
Q708
.033
82k
*3
SW
R737
R728
4.9V
100k
1k
R740
3.9k
R741
560
K703
BW
AT24C08-21DMG3
C730
MEMORY
C728
180p
C744
.01
.01
4.9V
CH
4.8V
4.9V
4.9V
0V
4.9V 2.9V 4.9V 4.9V 4.9V
0V
SDA
K704
4.9V
BW
C729
180p
NP
IC701
CH
*
MICOM
VDD
C709
4.9V
.01
R738
R739
10k
0V
0V
0V
4.9V
4.7V
4.7V
4.4V
4.4V
4.9V
4.7V
CH
C722
100p
0.1V
X701
R725
QAX0307-001
0V
1k
Q702
C711
C710
*1
R797
.01
100/16
SW
R714
15k
R718
4.7k
560
R720
4.7k
R707
560
R713
4.7k
C741
BW
R712
4.7k
C742
BW
R704
220
TCL
SCL1
BUS_FREE
PIC_MUTE
SDA2 SCL2
SDA1
2
2
L822
X
C823
C824
C825
R848
X
X
X
X
R832
CH
CH
C843
C853
C846
X
X
X
X
C821
X
TRESET
L823
R827
L821
X
X
X
R845
X
C822
C852
R854
R852
C826
X
X
X
X
X
X
3.3V
0V
0.2V
0.1V
2.4V
0.8V
0.3V
4V
3.3V
2.4V
0.2V
IC821
X
TEXT
4V
0V
2.4V
0V
3.3V
0.7V
2.4V
0V
0.5V
0.1V
1.7V
4V
C832
C845
X
C844
0.1V
Q824
X
X
C835
X
L824
R828
INVERTER
Q825
X CH
X
X
X
0.5V
INVERTER
R837
3.8
4.9V
C833
X
V
X
4.9V
0.1
R859
CH
V
Q826
X
2.5V
0V
R834
X
X
C831
R841
Q821
4.9V
INVERTER
0.5V
X
X
X
2.2V
INVERTER
C855
L828
R860
X
NR
LINE_V
X
X
1.5V
4.1V
R836
X
R842
X
R835
Q822
0.1V
C856
C830
R843
X
X
CH
X
X
X
C834
R838
CH
INVERTER
R862
R849
X
X
X
R861
X
X
C849
R384
X
Q373
X
3.7V
X
R383
SW
X
TEXT/OTH
0V
R379
X
D373
X
R382
X
D372
X
R385
X
3.2V
C318
X
4.9V
1.3V
1.3V
1.2V
1.2V
R373
Ys SW
VDD
RO
BO
B1
B2
A
B
C
X
IC371
Q372
Q371
9V
X
R372
X
X
RGB.SW
0
0V
0.2V
R1
R2
G1
GO
G2 INH VEE VSS
Ys SW
Y374
R856
0
1.2V
1.2V
1.3V
1.2V
X
0V
R374
6.8K
R375
X
R376
X
No.52029
AV-14A3
AV-14A3
AV-1415EE
AV-1415EE
AV-14A3
AV-14A3
AV-14AMG3
AV-1415EE
AV-1415EE
AV-14AMG3
IC704
PIC-47143SY
IR DETECT UNIT
SP01
QAS0016-001
CN00S
NC
QGA2501C5-03Z
!
J005
QNS0197-001
HEADPHONE
IC702
IC703
VSS
L78LR05E-MA
5V REG&RESET
A2
IC651
AN5265
R662
R661
A1
270
270
1/2W
1/2W
DC ATT
A0
14.4V
4.9V
4.9V
4.9V
MUTE
D655
*4
R667
C708
100
C664
1000/10
12.4V
5.5V
10k
C706
1/2W
100/16
QETN1AM-108Z
.01
Q703
C663
D654
*1
C705
.001
*7
SW
470/16
C707
0V
.01
C655
10/50
R742
C656
N
LB
56k
1/50
C724
BP
R665
56p
Q653
D656
10k
*2
*4
15V
MUTE
R656
15.1V
8.2k
C657
100/25
C665
R655
.01
47k
-2.2V
R658
R657
D657
2.2k
2.2k
0.6V
*4
LINE_V
Q302
Y976
9V
*1
X
D305
BUFFER
4.9V
AK04-T2
C321
4.2V
12p
D731
CH
*4
D501
X302
*6
C504
CE41651-001Z
D303
X
D306
V_SYNC
MA3091/M/-X
120 1/2W
FBP
V_OUT
R503
C309
R401
6.8k
.01
C402
10k
C503
C502
X TF
R307
10/50
.01
C308
1.2k
C437
C401
N
SDA1
100/16
.47
.1
C316
TF
10/50
R308
1.8k
0.6V
4.3V
4.9V
5V
3V
1.1V
3.7V
3.4V
0.9V
6.2V
2.7V
4.3V
4.2V
Y161
BW
Y975
BW
Y001
IC301
X
NN5198K
DECODE
Y002
BW
4.2V
6.2V
3.3V
0V
4.9V
4.9V
4.9V
9V
3.2V
3.1V
3.1V
2.8V
4.1V
SCL1
R301
220
C303
C304
10p
.47/50
C301
C341
CH
TF
.012
10/50
!
X301
QAX0705-001Z
D341
C302
*4
4.7/50
C113
N
N
N
R302
.0047
4.7k
C112
47/25
C365
C366
C367
1/50
1/50
1/50
2
2
R341
BP
BP
BP
3.3K
2
R793
C306
C307
220
.01
470/16
R792
R794
R118
220
220
X
CN00T
SF102
QAX0666-002
D791
X
CHGC05-340-G
SAW FILTER
D792
X
D795
C109
X
D794
X
X
D793
X
R791
220
R795
220
CN00C
X
2-5
2-6
MAIN PWB ASS'Y
AUDIO AMP
AUDIO OUT
!
R668
5.6
QRT029J-5R6
D652
D651
0.3V
10.5V
10.7V
10.9V
22.1V
*7
*4
R666
100
R664
6.8k
C659
4.7/50
C658
220/25
R660
C654
15k
470/16
D653
IC301
36
*4
R659
R653
R652
R654
330
4.7
1k
22k
2
1/2W
C653
10/50
0V
Q652
0.3V
R651
C652
*1
4.7k
.047
0V
SW
Q651
C651
*1
OPT
SW
LINE_A
AUDIO
VIDEO
C314
R321
.01
1.5k
Q301
C315
BUFFER
*2
100/16
4.2V
R323
R324
10k
1k
R327
Y301
R163
R164
4.7M
x
X
X
NRSA02J-475X
C313
Y302
C324
C166
C164
3.3/50
0
10/50
D301
X
X
*5
R325
C162
C322
1500p
X
C161
Y160
C317
.027/25
C323
X
.047/25
X
Q161
0.47/50
X
R322
AMP
R161
2.7k
X
8.5V
4.2V
4.6V
9V
4.1V
4.2V
3.2V
3.9V
3.6V
3.4V
R165
X
CF162
X
R166
C165
X
X
AFT
C119
.47/50
9V
3.8V
2.7V
2.7V
1.8V
1.8V
3.6V
3.2V
2.9V
3.4V
C120
120p
C117
CH
C305
.22
.47/50
TF
R159
D302
R326
C325
L104
X
L001
180k
*5
100
10/50
BP
QQL244K-8R2Z
NRSA02J-184X
R160
X
R158
X
SF101
X
SF122
SAW
QAX0325-001
FILTER
C121
SAW FILTER
R001
.01
L101
QQL244J-2R2Z
C114
.01
R114
R111
R109
C103
C009
X
180
6.8k
47/25
C104
C106
9V
R103
.0047
C110
D102
C107
.0047
10
2.2V
C111
0
.0047
BW
X
Q102
1.5V
*10
R112
R116
R117
R115
AMP
X
10
X
X
R110
2.7k
CF103
CF102
Q103
R113
C105
X
X
C108
X
100
.0047
X
SW
3.58/OTH
IC301
10
3
No.52029
(1/2)
SCG-1413A-H2
(AV-14A3)
SCG-1426A-H2
(AV-1415EE)
SCG-1427A-H2
(AV-14A3/AU)
SCG-1428A-H2
(AV-14A3/HK)
NOTE
*1:
2SD601A/QR/-X
*2:
2SB709A/QR/-X
*3:
UN2212-X
*4:
MA111-X
*5:
MTZJ9.1B-T2
*6:
MTZJ6.8C-T2
*7:
MTZJ12C-T2
*8:
UN2112-X
*9:
QQR0621-002Z
*10:
2SC5083/L-P/-T
DIFFERENCE LIST (*PARTS)
14A3
1415EE
14A3/AU
14A3/HK
SCG
SCG
SCG
SCG
*
-1413A-H2
-1426A-H2
-1427A-H2
-1428A-H2
MN18732
MN18732
MN18732
MN18732
!
IC701
87JJ1
87JK1
87JL1
87JL1
IC301
39
42
46
2
2.5
2.2
!
TU001
QAU0246-002
or
QAU0287-001
0V
IF
8.2
R102
75
NC
C001
C003
K001
BW
32.6V
10/50
x
BTPS(32)
C004
LOCK
470/16
D001
C002
.01
4.9V
5V
5V REG
L002
MTZJ33A-T2
X
X
BM
C005
C006
4.3V
.1
X
X
SDA
TF
4.2V
SCL
IC001
X
AS
R002
220
NC
BT
R003
220
1.8V
AGC
R004
C007
C008
56k
X
4.7/50
IC301
11
IC301
12
3.4
3.4
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