Circuit Diagrams - JVC AV-21MT16/Z Service Manual

CIRCUIT DIAGRAMS

MAIN PWB CIRCUIT DIAGRAM [AV-21MT16/Z] (1/4),(2/4) SHEET 1
D706
MA8036-X
R984
R738
R737 R985 Q984
10K
0 4.7K
*1
Q704
*1 R986
4.7K
BL_GND
PW
3.3V_STB
8V
A_VCC
A_GND
5V
12V
3.3V
MAIN PWB(3/4)
NECK
SHEET 2
H_DRIVE
HFB
ABL
EW
P_ON/OFF
VDRA+
VDRB-
PROTECT
V12A
32V
TU001
QAU0353-002 K103
TUNER X
C111
C101 220/16
CF101
.01
QAX0349-001
MC
IF
R101
68
NC R005
75
32V
L101
C001
QQL244K-1R0Z
.01
LOCK
L002 QQL244J-4R7Z
5V R107
C004 X
470/16 D101
BM
R001 C003
220 .1
SDA C109
0
D103 x
R002 220
SCL
x
D104
AS
Y004
BT
C005
.0022
AGC
MC MC
MC
R004
27K
R006
X
R008
X
D001
X
Q002
X D
Y006
MAIN PWB ASS'Y (1/4)
SCW-1793A-H2 [AV-21MT16/Z]
NOTE) 1.Refer to the part list for the part number of IC701 and IC702.
2.Refer to page 2-37 for voltages of this circuit diagram.
3.Refer to page 2-39 for waveforms of this circuit diagram.
MAIN PWB ASS'Y (2/4) (FRONT LED)
SCW-1793A-H2 [AV-21M16/Z]
CN00C
QGA2501F1-06
IC801
R322
IC302 RPM7238-H5
X D303 X REMOTECON
S9648
RECEIVER
ECO
R323 X
R325 R326
0 X
D807
X
R324 0
C807
R328
.1
0
Q308
C806
X 100/16
R823
R329 R327 C317
47
X 39K 10/50
1/2W
CN10A
QJL001-050600-E
CN00A
QJL001-050600-E
5V
SDA1
SCL1
Q706
5V SSM3K02F-X
D R755
1.2K
D707 R794
G
2.2K
*3 S
C777 C778
C792
.1 47/35
.1
R760
100 D
SCL0 Q708 Q705
SSM3K02F-X
SDA0 *2
G
S
R795 Q707
R761
100K *1
100
R976
1K 3.3V_STB
Q791
*1
SCL0
SDA0
C793 Y791 R793 100
R790
10/50 X
PW 1K
D713
P_ON/OFF
MA8039/H/-X
R983 R982 R981
47K 3.9
3.9 47K
1/2W
1/2W
VssP2
V1.8A
Q982
*1 1.8V VssC4
L701
C701
*4
1.8V .22
V1.8C4
L702 C702
Q983
*4 .22
2SA562TM/Y/-T
V3.3A3
VrefP_Sdac
CONT R792 L703
33 1/2W *4 CH
VrefN_Sdac
PW C704 C790
.1 27p
VrefP_Sdac
IC701
8V VrefN_Sdac
A_VCC
VrefP_Sdac
A_GND C705
7p
CH
XtalIn
5V
C706
5V
7p
CH
12V XtalOut
L717 X701
*4 QAX0799-001Z
3.3V
VssA1
GND
NECK R756
NECK 10K
NECK
H_DRIVE
L718
*4
CONT
HFB CONT
C785 2.2 C784
ABL X
V5P1
C707
EW C709
.1
.01 MC
Ph2
P_ON/OFF
C710 R701
6800p MC 12K MAIN MICRO COMPUTER/TELETEXT DECODE/
VDRA+ Ph1
C708 C711
VDRB- 100/16 2.2/50
Gnd1
IF VIDEO RGB SYNC DEF. PROCESS
PROTECT
V12A C712 .22 TF
SecPll
C713 10/50
4.5/OTHER
Dec8G
C714 .022
3.58/OTHER MC
EW R702 X
EW
C715 .001 MC
VDRB- R703 100
SF102 VDRB-
QAX0723-001 C716 .001 MC
C106 VDRA+
.01 VDRA+
R704
C110 MC
100
.1
Vif1
Y008
0
Vif2
C717 X
Vsc
SF101 C718
X .15
Iref
R705
39K
X MC
GndIF
C107
X
Sif1
Sif2
C719 .01
MC
R706 220
AGC
Y003
X
X
C720 .001
MC
EHT
R707 22K
MC MC
R708 10K
R709
1M
D701
*3
G
Q001
X
D S SDA1
G
Y005 0
S SCL1
0
Q701
Y701
X C722
X
L651
X
CF702 CF701
X X
C665 C660
X X
R651
X
R654
R653 X
X
IC651
X
D651 R652 C651
X X X
K102
Y101
QUY160-150Y
QUY160-075Y
K104
Y102
QQR1114-001Z
X
Y103 K105
X QUY160-150Y
Y106 K106
0 QUY160-150Y
Y107 K107
QUY160-150Y
0
C112
0
GND GND
GND GND
CN00T
QJL001-065631-E
POWER
LED(RED)
D808
LH22440-T16
R822
1K S805 S804 S803 S802 S801
QSW0619-003Z QSW0619-003Z QSW0619-003Z QSW0619-003Z QSW0619-003Z
R824
470
K801
X
R821 R820 R819 R818
470 330 220 180
R753
1.2K
R739
0
L711
*4
V1.8ADC
C766 C765
.22 100/16
VssADC
C764
.1
V3.3A2
V1.8A
C763
.22
GndA
C761
C762
.1
100/16
RefAd
L708
V3.3RefAdP
C760
L707
.22 *4
RefAdN
C759
V3.3A1
C758 100/16
.22
Bout
R735
R734
100
100
Gout
R733
100
Rout
C757
R732
560p
1K
BLKIN
CH R731
1K
BCL
MC
C756 L706
.1
V5P3
Gnd3
C779 C753 C754
10/50 .1 .1
B3/Pb
C752 D753
.1
G3/Y
C751 Y705
.1
R3/Pr
INSSW3
R782 D751
1.2K *8
NC
R729
X
Uout/INSSW2
Yout
C780
.1
Ysync
C750
.1
Yin/G2/Y
C749
.1
Uin/B2/Pb
C748
.1
Vin/R2/Pr
V5Comb
C746 C747
.1 10/50
VssComb
R728 100
Hout
R727 560
FbiSo
R726 27K
SVM
R724 X
R778 X
R722
X
LC701 X
D710
*8
Y703
X
Y702
X
R766
X
X
R767
X
C662
10/50
R663 C657
X X
N
R664
X
N
C658
D603
X *3
R655 R656
IC651
X X
X C607
220/16
R659 C654
C653 X
X
X C608
220/16
C659
X Y704
QUY160-075Y
Y708
X
C652 X
R658 Y709
BW
X
R657 X Y711
QUY160-150Y
Y713 CP
X !
CP650
Y714
ICP-N25-T
BW
Y716
X
Y719
0
Y720
X
Y721
X
C773
Y722
.1
QUY160-150Y
Y811
X
Y812
X
GND GND
(No.YA405)2-7 2-8(No.YA405)
MAIN PWB (4/4)
(CRT SOCKET)
CN10T
SHEET 2
VIDEO-3
INPUT
J806
QNN0281-003
J808 J807
QNN0281-002
QNN0282-001
J809
R817
QNS0155-001
X
C825 C826
NCB31HK-152X NCB31HK-152X
R630 R632
D814
270
*8 270
1/2W
1/2W
R631
R633
R626 R629 1K
1K
0 0
R627 R628 LC805
X X QQR1199-002
D341
*3 C615 C616
1000/25 1000/25
D342
*3
D343
*3
R344 R961
Q341
22 10K V12A
*2
D349
D344
X
X D345
*3
R342 C341
X 100/16
L304
X
5V
R320
X301 X R321 C318
X R319 X X
X
CH
C302 C316
X X
CH IC301
R307 C303 C315 CVBSO/PIP
X X
X X
R318
Q307 X
CH C342 C314
R308 X
X X
X
R309 C313
X X
R310 CVBSO/PIP_GND
X
C312
R312 X X
Q305
X
Q306 MC
C304 C311
X X X
L303
MC X
3.3V
R314
L710 C305 C310
X
*4 X X
MC L302
L709 C309
*4 X X
Y715
C306
QUY160-100Y
MC X
V
C307
X
MC Y
C308
*4
MC X
U
K301
X
Y822 L301
X X
Y_GND
Y824 QUY160-200Y
SCL1
D708 *3
SDA1
NECK
*4
C755
10/50
PB
*8 V2/Y
0
PR
PR_GND
Y821
Y706
QUY160-050Y
0
L716
*4
R725
X
Q702
X
IC601
R723 AUDIO AMP
AN5277
X
D602
X
R617
X C605
R601 .22
0
R637 5.6K
A_R
R662
X C606
R638 X
.22
R602
0
R639 5.6K
D610 *3 R607
2.2
1/2W
D607
*3
R611
10K
Q601
*2
Q602
*2
R649
R608 R609 1K
X 27K
R610
100K
C609
33/50
D608
D609
x x
C661
R623 R620
10/50
33K 10K
R621
2.2K
Q607
R622
10K *1
Q608
*1
C613
R616 R624
10/50 C617
X 68K
x
c21177001a.001_1/2
CN00S
SPEAKER
QGA2501C5-04Z
R816
75
C1_GND
C1
S_V_DET
Y801 R801 Y819
X 75 BW
LC801
QQR1199-002 C
Y1/CVBS1
Y_GND
S1
Y802
Y717
X
QUY160-075Y
D817 VIDEO-1
*8 V1
S-VIDEO
INPUT
VDO_DET J801
QNZ0454-002
R802
0
L1
L1
Y818
C821
NCB31HK-152X 0
R1
R1
R803 C822
0
NCB31HK-152X
GND
Y817
0
D810 R804
Y803 X
*8 75
LC802
V2/Y QQR1199-002
V2/Y_GND
Y804 X
Y816
Y805 X
X
LC803 R805
QQR1199-002 75 J802
PB
PB_GND QNN0349-002
VIDEO-2
Y806 X
D811
*8 COMPONENT
Y807 X Y825
LC804
QQR1199-002 BW VIDEO
PR
PR_GND
R806 INPUT
75
Y808
X
D812
*8
L2
C823 J803
NCB31HK-152X QNN0348-001
R2
GND
C824
NCB31HK-152X
BASS
J805
X OPEN
A_GND
5V
R807
C804
R808 100
X 1/2W 470/16
R809
220
V_OUT R815
75
D813
Q801 J804
*8
QNN0349-001
KTA1267/YG/-T
C809
X
L_OUT
OUTPUT
GND R811
C802
82K
R_OUT
10/50
D805
X
R812
C803
10/50 390
R813
82K
D806
X
Q803
*6
Q805
*2