JVC AV-21DMT3 Service Manual page 27

MAIN PWB CIRCUIT DIAGRAMS (1/2) [AV-21D3/D, AV-2135EE, AV-21DMG3, AV-21DMG3/-A]
D704
SLR-342VR-T16
POWER
R773
X
R749
4.7k
R771
820
R740
3.9k
4.9V
R748
100
D706 C738
D707
X X
*4
TRESET
C744
0.7V
TDA 4.7V .01
TEXT/OTH 0V
4.2V 0.1V 2.4V
0V
D801
X
! IC701
*
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
X
R746
10k R722 R734
Y704
X X
0
R706
560
C743
BW
Q701
X R717 Y802
SW X X
Y801
X
EF802
EF801
X
X C854 C853
X
C827
X
0V
L825 C845
R857 X
X X
L826 X
ODD/EVEN
2.4V
3.3V 2.5V
C847
IC822
X
X
REG.IC
IN GND NR
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
J002 C841 Y371
QNN0384-001 1500p BW
REAR
VIDEO
V_IN
4.9V
1
R802
75
A_IN
VDD
V_OUT
AUDIO
R810 56
A_OUT
1W OMR
C842 R1
QRG01GJ-560
X
1.2V
C805 Q803
220/16
2SC1815/YG/-T
BUFFER
R811
8.1V
220 TEXT_R
C806
R807
470/16 4.8V
68
4.1V LINE_V
GO
R806
TEXT_G
270
1/2W
R815
C811
180 1
10/50
1/2W
R816
0.3V R817
680 LINE_A
Q804 4.7k
0V
*1
SW
A_MUTE
C812
X
No.52023
AV-21DMT3 / AV-21D3
AV-2135TEE / AV-2135EE
VOL+ VOL- CH+ CH- MENU
S702 QSW0619-003Z S704 QSW0619-003Z S705
S701 QSW0619-003Z S703 QSW0619-003Z QSW0619-003Z REMOCON RECEIVER
TIMER
R721
R727 R731 R730
R726
10k
15k 4.7k 10K C719
4.7k
D705
1/50
SLR-342DU-T16
C721
R736
Q710
.033
82k
X
SW
R772
820 R728
1k
Q708
*3
SW
4.9V
IC702
K703
C730 .01 BW AT24C08-21DMG3
R741 R729 MEMORY
C728 180p CH
560 1k
4.9V
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
CH
VDD
C709
4.9V
.01
R738
R739
10k
10k
C722
0V 0V 0V 100p CH
4.9V 4.7V 4.7V 4.4V 4.4V 4.9V
4.7V
0.1V
X701
QAX0307-001
0V
Q702
C711 C710
*1
R797
.01 100/16
SW
R714 15k
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
SDA2 SCL2 2
SDA1
2
L822
X
C823 C824 C825
R848
X
X X X
R832
CH CH
C843
C846 X
X
X
TRESET
L823
L821 R844
X R827
X
L827 X 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
0.2V 3.3V
2.4V
IC821
X
TEXT
4V 0V
2.4V 0V 3.3V 0.7V 2.4V 0V 0.5V 0.1V 1.7V 4V
C832
X 0.1V
C844 Q824 X
C835
X L824 R828 Q825
R846 INVERTER
X CH X
X
X X 0.5V
INVERTER
C833
3.8
R837
X CH
4.9V V
4.9V X
C831 0.1
V
X R859
Q826 0V R834
X X X
R841 Q821
INVERTER 4.9V
X
X 0.5V LINE_V
2.2V
INVERTER
L828 R860
R835 X
4.1V
X X 1.5V R836 X
C855 R842
X X Q822
0.1V
C830 R843 X
C856 CH
X CH X C834 R838
INVERTER
X R862
R833 R849 X X
X
R861 X X
X
C849
R384 X Q373
X
3.7V
X
R383
SW
X
TEXT/OTH
0V
R379 X D373
X
R382 X D372
X
3.2V
R385
X
1.3V 1.3V 1.2V 1.2V
C318
R373
100p
X
RO BO B1 B2 A B C
Ys SW
IC371
Q372 Q371
9V R372
X
X X
RGB.SW 0.2V 0
0V
R2 G1 GO G2 INH VEE VSS
Ys SW Y374
R856
0
1.2V 1.2V 1.3V 1.2V
X
0V
R374
3.9k
R375
X
R376
X
AV-21D3 AV-21D3 AV-21DMT3 / AV-21D3
AV-2135TEE / AV-2135EE
AV-2135EE AV-2135EE
AV-21DMG3 AV-21DMG3 AV-21DMG3 AV-21DMG3
IC704
PIC-47143SY
SP01
QAS0086-001
R703
3.9k
S3 S4
5.4V Q709
*2 CN10S CN00S
NC
D701
SW PC701 WJK0136-001 X
*4
5V P1241-04
ECO SENSOR
C701 R702
!
J005
10/50 6.8k
QNS0197-001
HEADPHONE
R701
Y655 X
5.6k
Y654 BW
Y653 BW
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 C664
12.4V 5.5V
C706 100 1/2W 100/16
.01
Q703
C663
*3 C705
C707 D654 .001
SW 470/16
.01 *7
0V
C655
10/50
R742 C656 N
LB
56k
1/50
C724 BP
R665
56p
10k
Q653
D656
*2
15V *4
MUTE
R656
15.1V
8.2k
C657
100/25 C665
R655
-2.2V .01
47k
R658 R657
D657
2.2k 2.2k 0.6V
*4
LINE_V
Q302
Y976 9V
*1
X
D305 4.9V
BUFFER
AK04-T2
C321
4.2V
12p
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
R401 6.8k
100/16 .01
C402
10k C503 C502
X TF
R307
10/50 .01
1.2k R306 C401 C437
N
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 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
C302 D341
*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
220 220
CN00T SF102
*
CHGC05-340-G
D791 X
SAW FILTER
D792 X
D795
C109
X
D794 *
X D793 X
R791
220
R795
220
CN00C
X
2-11 2-12
MAIN PWB
(1/2)
SCG-1406A-H2
(AV-2135EE)
SCG-1408A-H2
(AV-21D3/D)
S5
SCG-1409A-H2
(AV-21DMG3, AV-21DMG3/-A)
CN11S
X
NOTE
*1: 2SD601A/QR/-X
*2: 2SB709A/QR/-X
AUDIO AMP
*3: UN2212-X
*4: MA111-X
*5: MTZJ9.1B-T2
AUDIO OUT
! *6: MTZJ6.8C-T2
R668 *7: MTZJ12C-T2
5.6
*8: UN2112-X
QRT029J-5R6
*9: QQR0621-002Z
D652 D651 *10: 2SC5083/L-P/-T
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
R653 R659 R652
4.7
R654 330 1k
22k 1/2W 2
NRSA63J-102X
C653
10/50
0V
Q652 0.3V R651
C652
*1 4.7k
0V .047
SW
Q651
C651
*1
OPT
SW
AUDIO VIDEO
C314
R321
LINE_A
.01
1.5k
Q301
C315
BUFFER
*2 100/16
4.2V
R323
R324
10k
1k
R327 Y301
x
4.7M
C324
C313 Y302 R163
10/50 C164
3.3/50 0 * C166
D301
*
*5 R325 *
C162 Y160
X C161
C322 C317 1500p *
C323
.027/25
*
.047/25 Q161
0.47/50
*
R322
AMP
2.7k R161
*
8.5V 4.2V 4.6V 9V 4.1V 4.2V 3.2V 3.9V 3.6V 3.4V R165
*
R166
CF161
*
*
CF162
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
180k
*5 100 10/50 BP
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 9V R103
.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 10
3
No.52023
DIFFERENCE LIST(*PARTS)
21DMG3,
2135EE 21D3/D 21DMG3/-A
SCG SCG SCG
* -1406A-H2 -1408A-H2 -1409A-H2
QAX0666 QAX0666 QAX0731
SF102
-002 -002 -001
QAX0642
CF161 X X
-001Z
Q103 X X *3
Q161 X X *1
MA859
D102 BW BW
-T2
Y160 X X BW
NRSA63J NRSA63J NRSA63J
R112
-100X -100X -220X
NRSA63J
R114 X X
-472X
NRSA63J
R115 X X
-222X
NRSA63J
R117 X X
-0R0X
NRSA63J
R118 X X
-222X
NRSA63J
R161 X X
-102X
NRSA63J
R162 X X
-122X
NRSA63J
R163 X X
-222X
NRSA63J
R164 X X
-221X
NRSA63J
R165 X X
-220X
NRSA63J
R166 X X
-821X
NCB31HK
C109 X X
-472X
NCB31HK
C161 X X
-103X
NCB31HK
C164 X X
-103X
NCB31HK
C165 X X
-103X
NCB31HK
C166 X X
-104X
MN18732 MN18732 MN18732
! IC701
87JK1 87JL1 87JJ1
IC301
39 42 46
2 2.5 2.2
! TU001
QAU0282-001
0V
IF
L001 8.2 R102
QQL244K-8R2Z 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
R001 L002 MTZJ33A-T2
X X
BM
C005 C006
C009
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