JVC AV-21Q3/D Schematic Diagrams page 7

MAIN PWB CIRCUIT DIAGRAMS (1/2) [AV-21QMG3/U]
D704
SLR-342VR-T16
POWER
R773
X
R749
4.7k
R771
820
R740
3.9k
R748
100
D706 C738
D707
X X
*4
TRESET
TDA 0.7V
4.7V
TEXT/OTH 0V
4.2V
0V
D801
X
!
MN1873287JJ1
C727
X
R747
0 4.9V 4.9V 1.7V 4.9V 0V 4.1V 4.9V
C712
.01
Q704
C725
X C720
X
SW .01
C723
X
R746
10k R722 R734
Y704
X X
0
R706
560
C743
BW
Q701
Y802
X R717
SW X X
Y801
X
EF802
EF801
X
X C854
X
0V
L825
R857 X X
L826 X
ODD/EVEN
2.4V
C847 3.3V
IC822
X
REG.IC
IN
C850 4.9V
X
FRONT
J006 X
A_IN
J004
A_IN
CEMN065-002
3
OR QNN0281-002
J003
V_IN
CEMN065-001
OR QNN0281-003
C841 Y371
J002
QNN0384-001 1500p BW
REAR
VIDEO
V_IN
1
R802
75
A_IN
V_OUT
AUDIO
R810 56
A_OUT
1W OMR
C842
QRG01GJ-560
X
C805 Q803 1.2V
220/16 2SC1815/YG/-T
BUFFER
R811
8.1V
220 TEXT_R
C806
R807
470/16
68 4.8V
LINE_V
4.1V
GO
R806
TEXT_G
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
S701 QSW0619-003Z S703 QSW0619-003Z QSW0619-003Z
TIMER
R721
R727 R731 R730
R726
10k
15k 4.7k 10K
4.7k
D705
SLR-342DU-T16
C721 R736
Q710
.033
82k
X
SW
R772
820 R728
1k
Q708
4.9V *3
SW
4.9V
K703
C730 .01 BW
C744 R741
R729 C728 180p CH
.01 560
1k
4.9V 4.8V
4.9V
4.9V
0.1V 2.4V 0V 4.9V 2.9V 4.9V 4.9V 4.9V 0V
K704
BW 4.9V
C729
180p
IC701 CH
MICOM
C709
.01 4.9V
R738
10k
C722
100p CH
0V 0V 0V 0V 4.9V 4.7V 4.7V 4.4V 4.4V 4.9V
0.1V
X701
QAX0307-001
0V
Q702
C711 C710
*1
.01 100/16
SW
R714
4.7k
R718
560
Y705
R720
BW
4.7k
R707
560 R713
4.7k
C741
BW
R712
4.7k
C742
R705 R704
BW
220 220
TCL SCL1 BUS_FREE PIC_MUTE
SDA1 SDA2 SCL2 2
L822
X
C823 C824 C825
X
X X
R832
CH CH
C846 X
X
TRESET
L823
R844
R827 L821
X
X
C853 L827 X X
X X
R845 X
C822
C827 C826
C852 R854 R852
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
X 0.1V Q824 X
C835
X L824 R828 Q825
R846 INVERTER
X CH
X
X X
0.5V INVERTER
C833
R837 3.8
X CH
4.9V V
X
4.9V C831
X
Q826 R859 0V R834
2.5V X X X
Q821
R841
INVERTER 4.9V
0.5V X
X X LINE_V
INVERTER
2.2V
L828 R860
R835 X
X X R836 X
GND NR 1.5V 4.1V
C855 R842
X X
Q822
0.1V
C830 R843 X
C856 CH
X CH X C834 R838
X INVERTER
R862
R833 R849 X X
X
R861 X X
X
C849
R384 X Q373
X
3.7V X
R383
SW
X
TEXT/OTH
0V
D373
R379 X
X
R382 X D372
X
3.2V
R385
X
4.9V 1.3V 1.3V 1.2V 1.2V
C318
R373
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
Y374
Ys SW
R856
0
1.2V 1.2V 1.3V 1.2V X
0V
R374
6.8k
R375
X
R376
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 CN0S4
D701
SW PC701 X
*4
P1241-04
5V
ECO SENSOR
C701 R702
!
J005
10/50 6.8k
QNS0197-001
HEADPHONE
R701
Y655 X
IC702 5.6k
AT24C08-21DMG3 Y654 X
MEMORY
Y653 X
IC703
SDA VSS
L78LR05E-MA
5V REG&RESET
A2
IC651
R662 R661
NP A1
270 270
DC ATT
1/2W 1/2W
VDD A0
14.4V 4.9V 4.9V 4.9V
D655
*4
R739
R667 C664
10k
C706 100 1/2W 100/16 12.4V
.01
Q703
4.7V *1 C705 C707
D654
SW 470/16
.01 *7
0V
10/50
R742 N
LB C656
56k
1/50
BP
C724
56p
R797
Q653
15k D656
*2
*4
MUTE 15V
R656
15.1V 8.2k
C657
100/25 C665
R655
.01
47k
-2.2V
R658 R657
D657
2.2k 2.2k
*4
2
Q302
Y976
9V
*1
R848 X
D305
BUFFER
X
AK04-T2
C321
4.2V
C843 12p
X D731 CH
*4 D501
D303 X302
*6 C504
CE41651-001Z
MA3091/M/-X
X
D306
V_SYNC
1/2W 100
V_OUT R503
FBP
C308 C309
6.8k
R401
100/16 .01 C402
C503 C502
10k
X TF
R307
10/50 .01
1.2k R306 C401 C437
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
DECODE
X
Y002
BW
0.1
V
4.2V 6.2V 3.3V 0V 4.9V 4.9V 4.9V 9V 3.2V 3.1V 3.1V
SCL1 R301 220
C303
10p
C301
C341 CH
.012
10/50 !
X301
QAX0705-001Z
D341
C302
4.7/50 *4
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
C306 C307
R793
220 .01 470/16
R792 R794
220 220
CN00T SF102
QAX0731-001
CHGC05-340-G
D791 X
SAW FILTER
D792 X
D795
C109
X
D794 .0047
X D793 X
R791
220
R795
220
CN00C
X
2-9 2-10
SP01
CEBSS09D-03KJ2
MAIN PWB
(1/2)
S4 S5
CS0S5
NC SCG-1431A
(AV-21QMG3/U)
X
CN0S4
QGA2501C5-03Z
AN5265 AUDIO AMP
AUDIO OUT
!
R668
5.6
MUTE
QRT029J-5R6
D652 D651
10.5V
5.5V 0.3V 10.7V 10.9V 22.1V *7 *4
C663
R666
.001
100 R664
6.8k
C659
4.7/50
C655 C658
220/25
R660 C654
15k 470/16
R665
D653
10k
*4 IC301 36
R659
R653 R652
4.7
R654 330 1k
22k
1/2W 2
NRSA63J-102X
C653
10/50
0V
Q652 0.3V R651
C652
*1 4.7k
.047
0V
SW
0.6V
Q651
C651
*1
OPT
SW
LINE_V AUDIO VIDEO
C314
R321
.01 LINE_A
1.5k
4.9V Q301
C315
BUFFER
100/16
*2
4.2V
R323
R324
10k
1k
R327 Y301
4.7M x
C313 Y302 C324 R163
C164
3.3/50 0 10/50 1.2k
D301
.01
C162 *5 R325 Y160
N
X C161 BW
C322 C317 1500p
C323
.027/25 .01
Q161
.047/25 0.47/50
*1
R322
AMP
R161
2.7k
1k
R165
4.3V 4.2V 8.5V 4.2V 4.6V 9V 4.1V 4.2V 3.2V 3.9V 3.6V 3.4V
22
R166
820
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
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
4.7k 6.8k 47/25
C104
C106 R103
9V .0047
C110 D102 C107
.0047 10
2.2V
0 MA859-T2 .0047
C111
Q102
X
*10 1.5V
R112
R118
R116 R117 R115 AMP
22
2.2k
X 0 2.2k
R110
2.7k
CF103 CF102
Q103 R113
C105 X
C108
*3 100
.0047
X
SW
3.58/OTH
IC301
3
No.52027
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
C166
.1
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
IC001 SCL
X
AS
R002 220
NC BT
R003 220
1.8V
X
AGC
R004 C007 C008
56k X 4.7/50
IC301 IC301
10 11 12
3.4 3.4