JVC InteriArt AV-2986ME Service Manual page 108

MAIN PWB CIRCUIT DIAGRAM [AV-2986ME, AV-29MX76/G] (2/2) SHEET2
CN00D
*
FRONT
CONTROL Y906 X
CN00W
Y909 R901
Y905 X D901
* * !
PWB ASS'Y
C904
.001
SHEET6
! Y910
CN00W *
C901
!
C903
Y908 X
!
C905
Y907 X
!
LF902
R902
K921
*9
C921
C927
X
R922
390
R923
27K
D930
*3
IC921
D929
D932
*3
R929 22
Q921 R928
10K
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)
SHEET1
R971
C973
IC972
!
Y965 R965
C991
X *
C975
!
1000/25
C992
!
IC975
C955
T921
!
K955 CP955
R921
*7
D955
C960 C962
2200/35 0
C906
*
C915 C952
!
K952
CP952
*7
D952
C967
1000/10
C957
2200/10
D926
C916
X *6
IC973
C953
!
K953 CP953
*7
D953 *6
C958 C980
470/25 100/16
C954
!
K954 CP954
*7
R926
D954 *6
22
C959
100/35
D928 D927
C963
!
CP951 L951
K951
*9
D951
CP956
D921 X C956
*6 K957
C951
X
X
C925
Q958
R960
22K
R951 D958
2.2K
IC951
R952 R961
X
R953
R927
10K
2.2K
!
C950
R963
PC901 0.1/50
3.3K
D950
X
C964
!
R991 8.2M Q951
Q952
*1 R959
*1
C969 15K
! R957
X 15K
C993 680p
R958
18K
D957
MAIN PWB ASS'Y(1/2)
SHEET1
3.3V
IC971 3.3V_STB
8V
5V
12V
32V
3.3V
H_DRIVE
C971 P_ON/OFF
PROTECT
C972 R421
10K
5V
Q422
R976
*1
390 P_ON/OFF Q421
*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
12K
PROTECT R438 D423
1M
C427
C424
1000/35
D975
C431
*3
.1
D972 D424
*3
R434
6.8K
5V
C994 R990 L421 R430
12K
X X R431
X
R440
R432
C430
C435
R433
3.9
D973
*3
C436
D971
*3
R448
1
12V
C966
R973
x
X
Q461
8V
R970
C984
D970
R524
X
STB
!
Q522
!
T521
R525
R962
32V
R522
C523
47/35 22
C524
D962
Q521
R523 270
R520 C520
STB
470
H_DRIVE
C521
.0033
R521
C522
100K
D520 .022
X
D524
R975
1.2K
R980
5.6K W-E
Q957
X
*1
W-B
X X
GND GND
P_ON/OFF
*
CN00D
R901
C906
Y909
Y910
(No.YA447)2-7 2-8(No.YA447)
D595
x
D593
X
Q591
X
R594 C593
X X
D591 R592 D592
X X X
C591 R593
X X
R591
X
!
T522
C555
R554
1.8K
!
D554 D555 R533
R412
X
2.2K
C551
!
R551
C553 D551
*6
C554 D552
*6
!
R552
C552
R572
R571 C572
100/16
R461
82K
R462
L521
C571
220/160
C531
R574
18K
R575
2.2K
L523
C542
X X
C527
D521
L522
Y501
C582
!
C530 R528
Y502
470
C529
D522
D523
C533
*6
X
R527
T523
X
Y915 Y984
Y912 Y983
X
Y911 Y980
X
Y901 Y976
X
Y607 Y975
Y961
Y606 Y913 Y914
X
K105
GND GND GND GND GND GND
CN0HV
X ! DEF YOKE
X X
X X
X
C592
X
R582
82K
CN00U
R583 CRT SOCKET
180K
D581 C581
R581
*6 .1 PWB ASS'Y
8.2K
SHEET5
L530
CN00U
!
D530
R530
*6 C532
10/250 CN00X
ADJUST MENT
CONNECTOR
R573
3.3K
Q571
D571
Q572
*5
C573
47/35
c21260001a.001.2/2
MAIN PWB ASS'Y(2/2)
SCW-1926A-H2 [AV-2986ME]
SCW-1933A-H2 [AV-29MX76/G]