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MAIN PWB CIRCUIT DIAGRAMS (1/2) [AV-14AMG3, AV-14AMG3/-A]
D703
R773
560
SPR-39MVWF
SW
R749
4.9V
4.7k
Q710
*3
C738
R748
R796
100
X
R740
3.9k
10k
D707
*4
TRESET
0.7V
C744
TDA
4.7V
TEXT/OTH
0V
4.2V
0.1V 2.4V
0V
D801
X
!
IC701
MN1873287JJ1
MICOM
C727
X
R747
4.9V 4.9V
1.7V
4.9V
0V
4.1V
4.9V
0V
0
C712
.01
Q704
C725
X
C720
X
SW
.01
C723
56p
R746
10k
R734
R722
Y704
X
X
0
R706
560
C743
BW
Q701
X
SW
Y802
R717
X
X
C854
X
Y801
X
EF802
EF801
X
X
C827
X
0V
L825
X
C845
R857
X
L826
X
ODD/EVEN
2.4V
3.3V
2.5V
IC822
X
C847
REG
C850
X
IN
GND
NR
X
4.9V
C848
X
FRONT
J004
A_IN
CEMN065-002
3
OR
QNN0281-002
J003
V_IN
CEMN065-001
OR
QNN0281-003
C841
Y371
J002
1500p
BW
QNN0384-001
REAR
VIDEO
V_IN
1
R802
A_IN
75
VDD
V_OUT
AUDIO
R810
56
A_OUT
1W OMR
C842
R1
QRG01GJ-560
X
1.2V
Q803
C805
2SC1815/YG/-T
220/16
BUFFER
R811
8.1V
220
C806
R807
TEXT_R
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
R817
0.3V
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
IR DETECT UNIT
R721
R727
R731
R730
R726
10k
15k
4.7k
10K
C719
4.7k
1/50
C721
R736
Q708
.033
82k
*3
SW
R737
4.9V
R728
100k
1k
R741
IC702
560
K703
BW
AT24C08-21DMG3
C730
MEMORY
C728
180p
.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
BW
4.9V
C729
180p
NP
CH
VDD
C709
4.9V
.01
R739
R738
10k
10k
0V
0V
0V
4.9V
4.7V
4.7V
4.4V
4.4V
4.9V
Q703
4.7V
CH
C722
100p
0.1V
X701
R725
QAX0307-001
0V
1k
Q702
C711
C710
*1
R797
.01
100/16
SW
R714
15k
4.7k
R718
560
R720
4.7k
R707
560
R713
4.7k
C741
BW
R712
4.7k
C742
BW
R704
220
TCL
SCL1
BUS_FREE
PIC_MUTE
SDA1
SDA2 SCL2
2
2
L822
X
C823
C824
C825
R848
X
X
X
X
CH
CH
R832
C843
C853
C846
X
X
X
X
C821
X
TRESET
L823
L821
R827
X
X
X
R845
X
C822
C826
C852
R854
R852
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
2.4V
0V
3.3V
0.7V
2.4V
0V
0.5V
0.1V
1.7V
4V
4V
0V
C832
X
0.1V
Q824
X
C844
X
C835
X
L824
INVERTER
Q825
R828
X CH
X
X
X
0.5V
INVERTER
3.8
R837
4.9V
C833
X
V
X
4.9V
0.1
R859
CH
V
Q826
X
0V
R834
X
Q821
X
C831
R841
INVERTER
4.9V
X
X
X
0.5V
2.2V
INVERTER
C855
L828
R860
X
LINE_V
X
1.5V
X
4.1V
R836
X
R842
X
R835
Q822
0.1V
C830
R843
X
C856
X
CH
X
X
X
INVERTER
C834
R838
CH
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
X
RO
BO
B1
B2
A
B
C
IC371
Q372
Q371
9V
X
R372
X
X
0
RGB.SW
0V
0.2V
R2
G1
GO
G2 INH VEE VSS
Y374
Ys SW
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-14AMG3
AV-14AMG3
AV-1415EE
AV-1415EE
AV-14AMG3
AV-14AMG3
IC704
PIC-47143SY
SP01
QAS0016-001
CN00S
NC
QGA2501C5-03Z
!
J005
QNS0197-001
HEADPHONE
IC703
VSS
L78LR05E-MA
5V REG&RESET
A2
IC651
AN5265
AUDIO AMP
R662
R661
A1
270
270
DC ATT
1/2W
1/2W
A0
14.4V
4.9V
4.9V
4.9V
MUTE
D655
R667
*4
C708
100
C664
12.4V
5.5V
0.3V
1000/10
C706
1/2W
100/16
QETN1AM-108Z
.01
C663
R666
D654
*1
C705
.001
100
*7
SW
470/16
C707
0V
4.7/50
.01
C655
10/50
R742
N
LB
C656
56k
1/50
BP
C724
R665
D653
56p
D656
10k
Q653
*4
*4
*2
15V
MUTE
R654
R656
22k
15.1V
8.2k
C657
100/25
C665
R655
0V
.01
47k
-2.2V
Q652
*1
R658
R657
SW
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
R323
CE41651-001Z
D303
X
10k
D306
V_SYNC
MA3091/M/-X
120 1/2W
R327
4.7M
FBP
V_OUT
R503
C309
NRSA02J-475X
R401
6.8k
.01
C313
C402
10k
C503
C502
3.3/50
X TF
R307
C308
10/50
.01
1.2k
C401
C437
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
8.5V
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
9V
SCL1
R301
220
C303
C304
10p
.47/50
C305
C301
C341
CH
TF
.012
.47/50
10/50
X301
!
QAX0705-001Z
C302
D341
4.7/50
*4
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
C306
C307
R793
.01
470/16
220
R792
R794
R118
220
220
SF102
2.2k
CN00T
CHGC05-340-G
QAX0731-001
D791
X
SAW FILTER
D792
X
D795
C109
X
D794
.0047
X
D793
X
R791
220
R795
220
CN00C
X
2-9
2-10
MAIN PWB ASS'Y
SCG-1429A
SCG-1429A
AUDIO OUT
!
R668
5.6
QRT029J-5R6
D652
D651
10.5V
10.7V
10.9V
22.1V
*7
*4
R664
6.8k
C659
C658
220/25
R660
C654
15k
470/16
IC301
36
R653
R659
R652
4.7
330
1k
1/2W
2
C653
10/50
0.3V
R651
C652
4.7k
0V
.047
Q651
C651
*1
OPT
SW
LINE_A
AUDIO
VIDEO
C314
R321
.01
1.5k
Q301
BUFFER
C315
100/16
*2
4.2V
R324
1k
Y301
R163
R164
x
2.2k
220
C324
Y302
C166
10/50
C164
0
D301
.1
.01
C162
*5
R325
X
C161
Y160
C322
C317
1500p
C323
.027/25
.01
Q161
.047/25
0.47/50
BW
*1
R322
AMP
2.7k
R161
1k
4.2V
4.6V
4.2V
3.2V
3.9V
3.6V
3.4V
R165
9V
4.1V
22
CF162
X
R166
C165
820
.01
AFT
C119
3.8V
2.7V
2.7V
1.8V
1.8V
3.6V
3.2V
2.9V
3.4V
.47/50
C120
120p
C117
CH
.22
TF
R159
D302
R326
C325
L104
X
L001
180k
*5
100
10/50
BP
QQL244K-8R2Z
NRSA02J-184X
C003
R160
X
R158
X
SF101
X
SF122
SAW
QAX0325-001
FILTER
C121
SAW FILTER
R001
.01
L101
QQL244J-2R2Z
X
C114
.01
R111
R114
R109
C103
C009
180
4.7k
6.8k
47/25
X
C104
C106
9V
R103
.0047
D102
C110
C107
.0047
2.2V
10
C111
0
MA859-T2
.0047
X
Q102
1.5V
*10
R116
R112
R117
R115
AMP
22
x
0
2.2k
R110
2.7k
CF103
CF102
Q103
R113
C105
X
X
C108
*3
100
.0047
X
SW
3.58/OTH
IC301
10
3
No.52029
(1/2)
(AV-14AMG3)
(AV-14AMG3-A)
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
IC301
39
42
46
2
2.5
2.2
TU001
!
QAU0246-002
or
QAU0287-001
0V
IF
8.2
R102
75
NC
C001
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
BM
C005
C006
.1
X
4.3V
SDA
TF
4.2V
IC001
SCL
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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