Main Pwb Circuit Diagram [Av-29Ms26] (1/2)(2/2) - JVC InteriArt AV-2986ME Service Manual

MAIN PWB CIRCUIT DIAGRAM [AV-29MS26] (2/2) SHEET4
MAIN PWB ASS'Y(2/2)
SCW-1927A-H2 [AV-29MS26]
CN00D
*
FRONT
Y906 X
CONTROL CN00W
Y905 X Y909 R901 D901
!
* *
PWB ASS'Y
C904
.001
SHEET6
Y910
!
CN00W *
C901 !
C903
Y908 X
!
C906
C905 *
Y907 X
!
LF902
R902
HS921
K921
*9
C921
C927
X
R922
390
D928
R923
D930 27K
*3
IC921
D929
D932
*3
R929 22
Q921 R928
10K
C925
D931
C926
C924
NOTE) 1. Refer to page 2-25 for voltages of this circuit diagram.
2. Refer to page 2-26 for waveforms of this circuit diagram.
MAIN PWB ASS'Y(1/2)
SHEET3
R971
C973
C972
IC972
!
C991 Y965
X
C975
!
1000/25
C992
!
IC975
T921 C955
!
R921 K955 CP955
*7
D955
C962
C960
2200/35 0
C915 C952
!
K952
CP952
*7
D952
C967
1000/10
C957
2200/10
C916 D926
*6
X
IC973
C953
!
K953
CP953
*7
D953 *6
C966
C980
C958 x
470/25 100/16
C954
!
K954 CP954
*7
R970
R926
D954 *6
22
C959
D927 100/35
C963
!
K951 CP951 L951
*9
D951
CP956
D921 X C956
*6 K957
C951
X
X
Q958
R960
22K
R951 D958
2.2K
R975
1.2K
IC951
R961
R952
X
R953
R927 10K
2.2K
!
C950
R963
PC901 0.1/50
3.3K
R980
5.6K
D950
X C964
X
!
R991 8.2M
Q951
Q952
R959
*1 *1
15K
C969 R957
! X
15K
C993 680p
R958
18K
D957
MAIN PWB ASS'Y(1/2)
SHEET3
3.3V
IC971 3.3V_STB
8V
5V
12V
32V
3.3V
H_DRIVE
C971
P_ON/OFF
PROTECT
R421
10K
5V
Q422
R976
*1
390 Q421
P_ON/OFF
*1
IC401
D976
*3
R471
270K
R472
10K
C471
22/50
L972 R473
68K
3.3V_STB
R427 R411
6.8K 2.2K
C422
R474
C977
220K
47/35
C423
C428
.001
100/35
R437
X R426 R412
12K 2.2K
D423
PROTECT R438
1M
C427
C424
1000/35
D975
C431
*3 .1
D424
D972
*3
R434
6.8K
5V
R430
C994 R990 L421
12K
X X R431
X
R440
R432
C430
C435
R433
*
D973
*3 C436
D971
*3
R448 R461
1 82K
12V
R973
X
Q461
8V
C984 D970
X R524
STB
!
Q522
!
T521
R525
R962
32V
R522
C523 !
22
47/35
C524
D962
Q521
R523 270
R520 C520
STB
H_DRIVE 470
C521
.0033
R521
C522
100K
.022
D520
X
D524
W-E
Q957
X
*1
W-B
X
GND
GND GND
P_ON/OFF
(No.YA447)2-11 2-12(No.YA447)
D595
x
D593
X
Q591
X
R594 C593
X X
D591 R592 D592
X X X
C591 R593 C592
X X X
R591
X
!
T522
C555
R554
1.8K
!
D554 D555 R533
X
C551
!
R551
C553 D551
*6
C554
D552
*6
!
R552
C552
D530
*6
R572
R571
C572 R573
100/16 3.3K
R462
L521
C571
220/160
C531
R574
18K
R575
2.2K
C542 L523
X X
C527
D521
* L522
Y501
C582
Y502 C530 R528
C529 470
D522
D523
C533
*6
X
R527
T523
X
Y915 Y984
Y912 Y983
X
Y911 Y980
X
Y901 Y976
X
Y607 Y975
Y606 Y961
Y913 Y914
X
K105
GND GND GND GND GND
CN0HV
*
! DEF YOKE
C906
C524
C527
R901
R433
Y909
X
Y910 X
R582
82K
CN00U
R583 CRT SOCKET
180K
D581 C581 R581
PWB ASS'Y
*6 .1 8.2K
SHEET5
L530
CN00U
!
R530
C532
10/250 CN00X
ADJUST MENT
CONNECTOR
Q571
D571
Q572
*5
C573
47/35
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