JVC AV-21Q3/D Schematic Diagrams page 5

CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAMS (1/2)
[AV-21Q3/D, AV-21Q3/HK, AV-21Q3/AU, AV-2115EE, AV-21QMG3, AV-21QMG3/-A]
SLR-342VR-T16
R749
4.7k
R771
820
R748
100
D706
D707
X
*4
TRESET
TDA 0.7V
4.7V
TEXT/OTH 0V
0V
D801
X
C727
X
R747
0
4.9V 4.9V 1.7V 4.9V 0V
C712
.01
Q704
C725
X C720
X
SW .01
R746
10k R722
Y704
X
0
Q701
X R717 Y802
SW X X
Y801
X
EF802
EF801
X
X
0V
R857 X
ODD/EVEN
C847
X
C850
X
FRONT
J006 X
A_IN
J004
A_IN
CEMN065-002
3
OR QNN0281-002
J003
V_IN
CEMN065-001
OR QNN0281-003
J002 C841
QNN0384-001 1500p
REAR
VIDEO
V_IN
R802 1
75
A_IN
V_OUT
AUDIO
R810 56
A_OUT
1W OMR
C842
QRG01GJ-560
X
C805 Q803
220/16
2SC1815/YG/-T
BUFFER
R811
8.1V
220
C806 R807
470/16 68 4.8V
LINE_V
4.1V
R806
270
1/2W
R815
C811
180 1
10/50
1/2W
R816
R817
0.3V 680 LINE_A
Q804 4.7k
0V
*1
SW
A_MUTE
C812
X
VOL+ VOL- CH+ CH- MENU
S702 QSW0619-003Z S704 QSW0619-003Z S705
D704
S701 QSW0619-003Z S703 QSW0619-003Z QSW0619-003Z
POWER TIMER
R721
R727 R731 R730
R726
10k
15k 4.7k 10K
R773 4.7k
D705
X
SLR-342DU-T16
C721 R736
Q710
.033
82k
X
SW
R740 R772
3.9k 820 R728
1k
Q708
4.9V
*3
SW
4.9V
C738
K703
X
C730 .01 BW
C744 R741
R729 C728 180p CH
.01 560
1k
4.9V 4.8V
4.9V
4.2V 0.1V 2.4V 0V 4.9V 2.9V 4.9V 4.9V 4.9V 0V
K704
BW
C729
180p
!
CH
IC701
*
MICOM
R738
4.1V 4.9V 0V 0V 0V 0V 4.9V 4.7V 4.7V 4.4V 4.4V 4.9V
0.1V
X701
QAX0307-001
C711 C710
.01 100/16
C723
R714
X
R718 4.7k
R734 560
Y705
R720
X
BW
4.7k
R706 R707
560 560 R713
4.7k
C743 C741
BW BW
R712
4.7k
C742
R705 R704
BW
220 220
TCL SCL1 BUS_FREE PIC_MUTE
SDA2 SCL2
SDA1
L822
X
C823 C824 C825
X X X
R832
CH CH
C846 X
X
TRESET
L823
R844
R827 L821
X
C854 C853 L827 X
X X
X X
X R845 X
C822
C827
C852 R854 R852 C826
X X
X X X X
3.3V 0V 0.2V 0.1V 2.4V 0.8V 0.3V 4V
2.4V 0.2V 3.3V
IC821
X
TEXT
4V 0V
2.4V 0V 3.3V 0.7V 2.4V 0V 0.5V 0.1V 1.7V 4V
C832
L825 C845
X C844 X
X 0.1V Q824
C835
X L824 R828
R846 INVERTER
X CH
X X X
L826 X 0.5V
C833
R837
X CH
4.9V
X
2.4V 4.9V C831
X
Q826 R859 R834
0V
3.3V 2.5V X
IC822 X X
Q821
R841
INVERTER 4.9V
0.5V X
X X
2.2V INVERTER
REG.IC L828 R860
R835 X
X X 4.1V R836 X
IN GND NR C855 1.5V
R842
X X Q822
4.9V 0.1V
C830 R843 X
C856 CH
X CH X C834
X INVERTER
R862
R849 X
R833
X
R861 X X
X
C849
R384 X Q373
X
3.7V X
R383
SW
X
0V
R379 X D373
X
R382 X D372
Y371
X
BW
3.2V
R385
X
4.9V 1.3V 1.3V 1.2V 1.2V
R373 C318
X X
VDD RO BO B1 B2 A B C
Ys SW
IC371
Q372 Q371
X 9V R372
X X
RGB.SW 0
0.2V
0V
R1 R2 G1 GO G2 INH VEE VSS
Ys SW Y374
R856
0
1.2V 1.2V 1.2V 1.3V 1.2V X
0V
R374
6.8k
TEXT_R R375
X
GO
R376
TEXT_G X
No.52027
AV-21Q3 AV-21Q3
AV-21QMG3 AV-21QMG3
AV-2115EE AV-2115EE
IC704
PIC-47143SY
IR DETECT UNIT
C719
R703
1/50
3.9k
S3
5.4V Q709
*2 CN0S3
D701
SW
PC701 X
*4
P1241-04
5V
ECO SENSOR
C701 R702
!
J005
10/50 6.8k
QNS0197-001
HEADPHONE
R701
Y655 X
5.6k
IC702
AT24C08-21DMG3 Y654 X
MEMORY
Y653 X
IC703
4.9V
SDA VSS
L78LR05E-MA
5V REG&RESET
4.9V
A2
IC651
R662 R661
NP A1
270 270
1/2W 1/2W DC ATT
VDD A0
C709
.01 4.9V
14.4V 4.9V 4.9V 4.9V
D655
*4
R739
10k R667 C664
10k
C722 C706 100 1/2W 100/16 12.4V
100p CH .01
Q703
4.7V
*1 C705 C707
D654
SW 470/16 .01
*7
0V
R742
LB C656
56k
0V 1/50
Q702 C724 BP
*1 56p
R797
Q653
SW
15k D656
*2
15V *4
MUTE
15.1V
C657
100/25
R655
47k -2.2V
R658
D657
2.2k
*4
2
2
Q302
Y976
*1
R848 X
D305
BUFFER
X
AK04-T2
C321
C843 12p
X D731 CH
*4 D501
D303 X302
*6 C504
CE41651-001Z
MA3091/M/-X
X
D306
V_SYNC
1/2W 100
FBP V_OUT R503
C308 C309
6.8k
R401
100/16 .01 C402
10k C503 C502
X TF
R307
10/50 .01
C437
1.2k R306 C401
SDA1
220 .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
Y161
BW
Y975
BW
Y001
IC301
X
NN5198K
X
DECODE
Q825
X
Y002
INVERTER
BW
3.8
V
0.1
V
LINE_V
R838
4.2V 6.2V 3.3V 0V 4.9V 4.9V 4.9V 9V 3.2V 3.1V 3.1V
X
SCL1 R301 220
C303
10p
C301
C341 CH
.012
10/50
!
QAX0705-001Z
TEXT/OTH
D341
C302
*4
4.7/50
N N N
R302
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
220 220
CN00T SF102
*
D791 X CHGC05-340-G
SAW FILTER
D792 X
D795
C109
X
D794 *
X D793 X
R791
220
R795
220
CN00C
X
2-5 2-6
MAIN PWB (1/2)
SP01
SCG-1424A
CEBSS09D-03KJ2 (AV-21Q3/D)
SCG-1441A
(AV-21Q3/HK, AV-21Q3/AU)
S4 S5
SCG-1442A
(AV-2115EE)
CN0S4 CS0S5
NC
X
SCG-1443A
(AV-21QMG3,AV-21QMG3/-A)
CN0S4
QGA2501C5-03Z
NOTE
*1: 2SD601A/QR/-X
AN5265 AUDIO AMP
*2: 2SB709A/QR/-X
*3: UN2212-X
AUDIO OUT *4: MA111-X
!
*5: MTZJ9.1B-T2
R668
*6: MTZJ6.8C-T2
MUTE 5.6
*7: MTZJ12C-T2
QRT029J-5R6
*8: UN2112-X
D652 D651
*9: QQR0621-002Z
10.5V
5.5V 0.3V 10.7V 10.9V 22.1V *7 *4
*10: 2SC5083/L-P/-T
C663
R666
.001 100
R664
C659 6.8k
4.7/50
C655 C658
10/50 220/25
N
R660 C654
15k 470/16
R665
D653
10k
*4 IC301 36
R653 R659 R652
R654 330 4.7 1k
R656
22k
1/2W 2
8.2k NRSA63J-102X
C653
C665 10/50
0V
.01
Q652 R651
0.3V C652
*1 4.7k
R657 .047
0V
SW
2.2k
0.6V
Q651
C651
*1
OPT
SW
LINE_V AUDIO VIDEO
C314
R321
LINE_A
9V .01
1.5k
4.9V Q301
BUFFER C315
*2 100/16
4.2V 4.2V
R323
R324
10k
1k
R327 Y301
x
4.7M
C313 Y302 C324 R163
C164
3.3/50 0 10/50 *
D301
*
*5 R325
C162
N Y160
C322 1500p X C161
C317 *
C323
.027/25 *
.047/25 Q161
0.47/50
*
R322
AMP
2.7k R161
*
4.3V 4.2V 8.5V 4.2V 4.6V 4.2V 3.6V 3.4V R165
9V 4.1V 3.2V 3.9V
*
CF161 R166
* *
CF162
X
C119
.47/50
2.8V 4.1V 9V 3.8V 2.7V 2.7V 1.8V 1.8V 3.6V 3.2V 2.9V 3.4V
C120
120p
C304
C117 CH
.47/50 C305
.22
TF
.47/50 TF
X301
R159
D302 R326 C325
L104 X
180k
*5 100 10/50 BP
C113
.0047
R160
X
R158
X
SF101
X SF122
SAW QAX0325-001
FILTER C121 SAW FILTER
.01
L101 QQL244J-2R2Z
C114
R111
R114 R109 C103
.01
180
* 6.8k 47/25
C104
C106 R103
9V .0047
C110 D102 C107
.0047 10
2.2V
0 * .0047
C111
Q102
X
1.5V
*10
R112
R118
R116 R117 R115 AMP
*
*
X * *
R110
2.7k
CF103 CF102
Q103 R113
C105 X X
C108
* 100
.0047
X
SW
3.58/OTH
IC301
3
No.52027
DIFFERENCE LIST(*PARTS)
21Q3/HK, 21QMG3,
21Q3/D 21Q3/AU 2115EE 21QMG3/-A
SCG SCG SCG SCG
* -1424A -1441A -1442A -1443A
QAX0666 QAX0666 QAX0666 QAX0731
SF102
-002 -002 -002 -001
QAX0642
CF161 X X X
-001Z
Q103 X X X *3
Q161 X X X *1
MA859
D102 BW BW BW
-T2
Y160 X X X BW
NRSA63J NRSA63J NRSA63J NRSA63J
R112
-100X -100X -100X -220X
NRSA63J
R114 X X X
-472X
NRSA63J
R115 X X X
-222X
NRSA63J
R117 X X X
-0R0X
NRSA63J
R118 X X X
-222X
NRSA63J
R161 X X X
-102X
NRSA63J
R162 X X X
-122X
NRSA63J
R163 X X X
-222X
NRSA63J
R164 X X X
-221X
NRSA63J
R165 X X X
-220X
NRSA63J
R166 X X X
-821X
C166 NCB31HK
C109 X X X
* -472X
NCB31HK
C161 X X X
-103X
NCB31HK
C164 X X X
-103X
NCB31HK
C165 X X X
-103X
NCB31HK
C166 X X X
-104X
MN18732 MN18732 MN18732 MN18732
IC701
!
87JL1 87JL1 87JK1 87JJ1
IC301
39 42 46
2 2.5 2.2
AFT
!
TU001
QAU0282-001
0V
IF
L001 8.2 R102
QQL244K-8R2Z 75
NC
C001
C003
K001 BW
10/50 32.6V
x
BTPS(32)
C004
LOCK
470/16
D001 C002
.01 4.9V
5V
5V REG
R001 L002 MTZJ33A-T2
X X
BM
C005 C006
C009
.1 X 4.3V
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
10 IC301 IC301
11 12
3.4 3.4