Circuit Diagrams - JVC AV-21VT15 Service Manual

CIRCUIT DIAGRAMS

MAIN PWB CIRCUIT DIAGRAM (1/3)
MA8036-X
IC976
MM1561JF-X
R978
Y981
3.3K
X
C985 C986
Y973 47/16 .1
BW
BL_GND
STB1
3.3V_STB
8V
A_VCC
A_GND
5V
12V
3.3V
NECK
H_DRIVE
HFB
ABL
EW
P_ON/OFF
VDRA+
VDRB-
PROTECT
VER_PROTECT
32V
TU001
QAU0353-002
TUNER
C111
C101 470/16
R101
0 .01
MC
IF
R005
82
NC
CF101
QAX0349-001
32V L101
C001
MC
.01 QQL244K-1R0Z
LOCK
QQL244J-4R7Z
L002
5V
C004
470/16
BM
R001 C003
220 .1 C109
SDA
0
SCL
R105
R002 22
220
AS
BT
C005
.0022
AGC
MC MC
R004
27K
R006
0
R008
10K
D001
MA8051/M/-X
Q002
2SK1830-X
MAIN PWB ASS'Y (1/3)
SCW-1126A-H2
Note: 1. Refer to part list for the part number of IC701 and IC702.
2. Refer to page 2-11 for voltages of this circuit diagram.
3. Refer to page 2-12 for waveforms of this circuit diagram.
CN00C
QGA2501F1-06
IC801
RPM7238-H5
REMOTECON
RECEVER
R824 R825
470 X D809
R822
LH22440-T16 X
1K
TIMER
LED( ORANGE)
POWER
D807 X
LED
R323
(RED) C806
100/16
R823 C807
47 .1
1/2W
PROT
5V
Q703 R779
*2 10K
SDA1
R781
C789
4.7K R780
SCL1
100K 47/50
Q706
5V SSM3K02F-X
D
V1.8A
R796 R794
D707 G
C778 0 *3 2.2K
C777 S
47/16
D706
.1 C792
R760 .1
100
SCL0 Q705 D
Q708
SSM3K02F-X
*2
SDA0
G
S
R795 Q707
R761
100K *1
100 R974
1K
STB1
Q791
DTC124ESA-T
SCL0
SDA0 R793 100
Y791 PW R790
X 1K
P_ON/OFF
D713
IC974
! MA8039/H/-X
MM1561JF-X W-A1
VssP2
R737 VssC4
3.3K
L701
C701
*4
1.8V .22
CONT V1.8C4
L702
1.8V C702
*4
.22
R738 V3.3A3
10K R792
33
VrefP_Sdac
C983 C965
Q704 W-A
10/16 .1 L703
*1
*4
VrefN_Sdac
STB1
VrefP_Sdac
8V VrefN_Sdac
A_VCC
C705 VrefP_Sdac
A_GND
3p
5V CH XtalIn
5V C706
3p
12V
CH XtalOut
L717 X701
*4 QAX0799-001Z
3.3V
VssA1
R756
GND
NECK 10K
NECK
H_DRIVE NECK
CONT
HFB
CONT
C785
ABL X
V5P1
C707
EW C709
.1 .01
MC
Ph2
P_ON/OFF
C710 R701
6800p MC 12k
VDRA+
Ph1
C708
VDRB-
100/16
Gnd1
PROTECT C711
C712
VER_PROTECT 2.2/50 .22
SecPll
TF
C713 10/50
4.5/OTHER
Dec8G
3.58/OTHER C714 .022 MC
R702 100
EW
EW
C715 .001 MC
SF102 VDRB- R703 100
VDRB-
QAX0723-001 C716 .001 MC
C106 VDRA+
VDRA+
.01
C110 R704
MC
.1
100
Vif1
Y008
0 Vif2
C717
.047 /16
Vsc
TF
SF101 C718
R107 X .1
X Iref
D101 R705
39k
X GndIF
C107
X Sif1
Sif2
C719 .01 MC
Y004 AGC
Y003 R706
X C720
X 220
MC .001
EHT
R707
22k
R708
10k
R709
1M
D701
*3
G Q001
2SK1830-X
SDA1
D S
G
Y005
D S X SCL1
Y006
X
Y701
C722
0
X
L651
X
CF702 CF701
X X
R651
R653
X
X
R654
X
C651
D651
X
X R652
X
Y101
BW
Y102 K102
QUY160-100Y X QUY160-150Y
Y103 K105
QUY160-150Y
X
K106
Y104
QUY160-150Y
X
Y105 K107
X QQR1114-001Z
Y106 K108
X QQR1114-001Z
Y107 K702
X X
GND GND GND GND
S805 S804 S803 S802 S801
QSW0619-003Z QSW0619-003Z QSW0619-003Z QSW0619-003Z QSW0619-003Z
IC302
R322
S9066-11
X R326
ECO
X
D303
X
R821 R820 R819 R818
R325
470 330 220 180
R324 0
0
0
Q308
R328
X C317 0 R327
1/50 330K
R755 R753
1.2K 1.2K
V1.8ADC
C766 C765
.22 100/16
VssADC
C764
.1
V3.3A2
V1.8A
C763
.22
GndA
C761
.1
RefAd
V3.3RefAdP
C760
IC701
.22
RefAdN
V3.3A1
C758
.22
Bout
R734
100
Gout
Rout
C757
560p
BLKIN
CH
BCL
MC C756
.1
V5P3
Gnd3
C779
C753
10/50
.1
B3/Pb
C752
.1
MAIN MICRO COMPUTER/
G3/Y
C751
.1
R3/Pr
IF VIDEO RGB SYNC DEF.PROCESS
INSSW3
R782
1.2K
NC
Uout/INSSW2
R729
X
Yout
C780
.1
Ysync
C750
.1
Yin/G2/Y
C749
.1
Uin/B2/Pb
C748
.1
Vin/R2/Pr
V5Comb
C746
.1
VssComb
R728
Hout
FbiSo
R726 27K
SVM
R724
R778
LC701 X
Y703
X
Y702
X
R766
X
Q701
X
R767
X
R663 C657 C662
X
X 10/50
N
N
R664 C658 D603
X
X *3
IC651
IC651 C659
X
Y601
X X C607
X
220/16
C654
R657 R658 R659
C608
X X X X
220/16
C653
R655 W-H
X
X
C652
R656 R660 R661
X
X X X
C660
X CP
Y709
BW ! CP650
Y711 ICP-N25-Y
QUY160-200Y
Y712
X
Y713
X
Y714
BW
Y813
X
GND GND
(No.YA254)2-5 2-6(No.YA254)
MAIN PWB ASS'Y(3/3)
(CRT SOCKET)
VIDEO-3
CN10T
INPUT
CN00T
QJL001-065631 J806
QNN0281-003
J808 J807
QNN0281-002
QNN0282-001
J809
R817
C805 QNS0155-001
X
X
D815
R630
NCB21HK-152X R632
D814
Y811 270 270
*8
1/2W
1/2W
QUY160-075Y
R631
R633
R629
R626 1K 1K
0
0
LC805
R627 R628
QQR1199-001
X
X
C615 C616
D341
MA8033/H/-X 1000/25 1000/25
D342 R341
0 W-J1
MA8033/H/-X
D343
MA8033/H/-X
R344
R345 Y303
Y301 Q341
22 0 X
QUY160-075Y *2
D344
X
R343 D345
*3 Y302
D349 0
X
MA8120/M/-X
R342
X
C341
100/16
L304
X
Y718 R320
X301 R321
C318
X X X
CH R319 X
X
X
C302 C316
X X
R307 IC301 CVBSO/PIP
Y720 CH C303 C315
X
X X X X
R318
Q307
X
R308 C342 C314
X
CH X X
X
R309 C313
X X CVBSO/PIP_GND
R310
X
C312
R312 X X
Q305
L711 X
Q306 C304 C311
*4
X
X X
L303
X
3.3V
C305 C310
X X
L302
L710 C309
X
*4 X
L709 Y715
C306
*4 QUY160-100Y
X
C762 C307
100/16 X
L708
C308
*4
X
L707
*4
C759
100/16
R735
100
Y822 L301
QUY160-125Y X
R733 Y_GND
100
R732
1k Y824 QUY160-200Y
SCL1
R731 D708 *3
SDA1
1k
NECK
L706
*4
C755
Y812
10/50
X
C754
.1
D753
*8 V2/Y
Y705 V2/Y_GND
0
PR_GND
Y821
D751 Y706
QUY160-050Y
*8 0
C747
L716
10/50
*4
100
R727 560
R725
X
X
AUDIO AMP
X
IC601
R722
AN5277
X
D602
X
R617
C605
R601 X
2.7K .22
A_R R637 4.7K
R662
X C606
R638 X
.22
R602 2.7K
R639 4.7K
D601 R640
R607
0 R603 *3 1K
2.2
Y603 X
1/2W
D607
1SS133-T2
Y604
R611 QUY160-100Y
10K
Q601 Q602
*2 *2
Q606
X
R608
R609
X
C609
27K R610
33/50
100K
Y605
0
D608
D609
X
X
C661
220/16
R623 R620
33K 10K R621
2.2K
R622 Q607
10K *1
Q608
*1
C613 C617
R616
R624 10/50 X
X 68K
SPEAKER
CN00S
QGA2501C5-04Z
R816
C1_GND 75
C1
5V S_V_DET
12V
Y819
Y801 R801
X 75 BW
LC801
QQR1199-001
Y1/CVBS1
Y_GND
Y802 S1 VIDEO-1
X
D817
Y717 S-VIDEO
5V MA8091/H/-X
QUY160-075Y J801
QNZ0454-002
INPUT
V1
VDO_DET
R802
0
L1
L1
Y818
D801 0
NCB21HK-152X
R1
R803 D802
0 NCB21HK-152X R1
Y817
0
D810 R804
Y803 X *8 75
LC802
V2/Y QQR1199-001
V2/Y_GND
Y804 X
Y816
Y805 X
0 R805
LC803
PB QQR1199-001 75 J802
QNN0349-002
PB_GND
Y806 X
D811
VIDEO-2
*8
Y807 X Y825
LC804
BW COMPONENT
PR QQR1199-001
PR_GND
R806 VIDEO
75
Y808 INPUT
X
D812
*8
L2
J803
D803
QNN0348-001
NCB21HK-152X
R2
D804
PB NCB21HK-152X
PR
BASS
J805
X OPEN
5V
R807
R808 C804
100
X 470/16
1/2W
R809
0
V_OUT R815
75
D813
J804
Q801 *8
KTA1267/YG/-T QNN0349-001
C809
X
L_OUT
R811
C802 82K OUTPUT
R_OUT
10/50
C803 R812
390
10/50
R813
82K
Q803
UN2226-X
Q805
*2