Circuit Diagrams - JVC AV-29MXP6/V Service Manual

CIRCUIT DIAGRAMS

MAIN PWB CIRCUIT DIAGRAM [AV-21MXP6/V] (1/4) (2/4) SHEET1
R796
10K
Q704
*1
GND
3.3V_STB
8V
A_VCC
A_GND
5V
12V
MAIN PWB(3/4)
NECK
H_DRIVE
SHEET2
HFB
ABL
EW
P_ON/OFF
VDRA+
VDRB-
PROTECT
3.3V
32V
TU001
C101
R101
.0047
10
CF101
R005
X
75
C001
.01
L002
C004
470/16
R001 C003
220 .1
C007 56p R002 220
C008 56p
C005
.0022
R004
27K
K702
K651
K105
K104
K102
GND GND
NOTE) 1. Refer to the part list for the part number of IC701 and IC702.
2. Refer to page 2-33 for voltages of this circuit diagram.
3. Refer to page 2-35 for waveforms of this circuit diagram.
ADJUSTMENT
CONNECTOR
MAIN PWB ASS'Y (2/4)(FRONT LED)
SCW-1645A-H2 [AV-21MXP6/V]
CN00C
IC801
IC302
C806
C808 X
100/16
Y813
X
Y814
C317 R823
R327 0
39K 10/50
CN10A
CN00A
5V
SDA
SCL
D707 R794
*3 2.2K Q706
5V
R755
1.2K
C792
0.1
D706 C777 C778
.1 47/35
R760
Q707
220 Q708 Q705
SCL0 *1
*2
SDA0
R783
R761 R795
R976
220 100K 10K
1K
3.3V_STB
Q791
*1
PW
SCL0
SDA0
C793
10/50 R793 100
R790
1K
P_ON/OFF D713
R984 R983 R982 R981
47K 3.9 47K 3.9
V1.8A
Q982
*1 1.8V
C701
1.8V .22
R985
Q984
4.7K C702
*1 Q983
.22
R986
4.7K
CONT R792 L703
33 *4
C704 C790
.1 27p
IC701
8V
*
A_VCC
5V
A_GND C705
7p
5V
C706
7p
12V
X701
NECK
R756 10K
H_DRIVE
NECK
HFB C785 X
CONT
ABL
L718 C784
.47/50
EW
C707 .1 C709
P_ON/OFF .01
VDRA+ C710 R701
6800p 12K
VDRB-
C708 C711
PROTECT 47/16
2.2/50
3.3V
C712 .22
4.5/OTHER
C713 10/50
3.58/OTHER
C714 .022
R702 X
EW
C715 .001
VDRB- R703 100
SF102
C111 C716 .001
220/16 C106 VDRA+
18p
C110 R704 100
.1
L101 Y008
X
SF101 C718
R107
4.7K *
D101
R705
39K
C109 C107
.0047
.01
C719 .01
R706 220
Y004
0
Y003
C720 .001
X
R707 22K
R708 10K
R709
1M
D701
SCL *3
SDA
Q701
C722
X
CF702 CF701
C773 Y722 X X
Y711
.1
Y721
Y710
X
BW
Y720
Y709
Y718
Y708
X
Y706 Y717
Y705 Y716 Y968
Y704 Y715 Y962
X
Y714
Y703 Y961
X
X
Y702 Y713 Y824
X
X
Y712
Y101 Y812
X X
GND GND GND GND
GND GND
MAIN PWB(4/4)
(CRT SOCKET)
SHEET2
CN10T
CN00T
POWER LED
(RED)
D808
R822
S805 S804 S803 S802 S801
1K
R824
470
X
R825
R821 R820 R819 R818
470 330 220 180
R753
1.2K
C766
.22
C764
X
C763
X
C761 C762
.1 100/16
C760
.22
C758
.22
R735
100
R734 D715
100 *3
D716
R733
100 *3
R720
D717
68K
R732 *3
1K C717
R721
1/50 47K
C757
560p
R731 D708
C756
1K *3
.1
C755 L706
10/50 *4
MAIN MICRO COMPUTER/TELETEXT DECODE/
C779 C753 C754
10/50 .1 .1
IF VIDEO RGB SYNC DEF PROCESS
D753
R779 100
*8
C752 .1
R780 100
C751 .1
R781 100
D751
*8
R782 1.2K
R729 4.7K
C780
.1
C750 .1
C786
C749 .1 X
C787
C748 .1 X
C788 X
C746
L716
.1
*4
R728 100
R727 560
R726 27K
R725
X
R724 X Q702
X
R778 X
R722 R723
X X
Y707
P_R
A_B
R766
X
X
R767
X
C662
10/50 D607 *3
D603 Q601
*3
C607
220/16
R609
C608 27K
220/16
Y610 !
X CP650
Y611
X
CN00M
BASS PWB
SHEET9
CN00M
(No.YA476)2-7 2-8(No.YA476)
VIDEO-3
INPUT
J806
J808 J807
J809
R817
X
R630
R632
270
270
LC805 D814
*8
C825 C826
.0015 .0015 R631
R633
1K
Y809 Y810 1K
X X
C831
0
D341 C615 C616
*3 1000/25 1000/25
D342
*3
D343
Q341
*3 R961
*2 R344 10K Y909 C1
X
Y942 22
Y941 5V S_V_DET
X
Y912
12V
W-C1
C341 D345
C827
100/16 *3
SCL 0
Y1/CVBS1
SDA
L301
W-C
C304 LC801
C305
10/50 R319
0.01 D301 GND
*3 4.7K 5V
L305
VDO_DET
C311
C310
0.01 L304
10/50
L1
R309 220
R1
R312 220
GND
L302
C315
0.047 CVBSO/PIP
IC301 R318
W-G
Q307 4.7K
C306 *2
10/50
R310 C313 C312
C318
4.7K 27p 0.01 10/50
C828
0
V2/Y
R314
22K LC802
L306
GND
C829
0
PB
R313
82K LC803
C302
R307 GND
C309 C308
22K 27P
0.01 10/50
C830
0
PR
LC804
V GND
Y
U
K701
L2
R2
NECK
PB
GND
GND
V2/Y
PR
Y943 BASS
X
3.3V_STB
3.3V
A_GND
Y944
5V
R809
220
V_OUT
L_OUT
GND
R_OUT
D605
X
IC601
D604
X
D602
X
R617 C605
X
.22
R601
3K R637 0
R662
C606
X
R638 X
.22
R602 X
3K
R639 0
R607
2.2 R640
D610 *3 1K
R634 R635 R636
R611 390 X 390
10K
*2
Q602
R649 *2
1K
R610
C609 100K
33/50
D608 D609
X X
C661
R623 R620 100/16
33K 10K R621
2.2K
Q607
R622
10K *1
Q608
*1
C613 C617
R624
10/50 X
68K
SPEAKER
CN00S
R816
75
J801
Y801 R801 Y819
X 75 BW
Y802
X
VIDEO-1
D817
*8
S-VIDEO
INPUT
C821
C822
W-G1
R804
Y803 X 75
D810
Y804 X *8
Y805 X
R805
75 J802
VIDEO-2
Y806 X
D811
COMPONENT
*8
VIDEO
R806
INPUT
75
D812
*8
C823
J803
.0015
C824
.0015
J805
OPEN
X
R807
100 C804
470/16
R815
75
Q801
D813
J804
*8
OUT PUT
R811
C809
C802 82K
X
10/50
C810 C803 R812
X 10/50 390
R813
82K
Q803
*6
Q804
*6
Q805
*2 R814
100K
c21244001a.001.1/2
Refer to
IC701
NOTE
SF101
MAIN PWB ASS'Y(1/4)
SCW-1645A-H2 [AV-21MXP6/V]