Main Pwb Circuit Diagram [Av-2586Me, Av-25Mx76/G] (3/4),(4/4) - JVC AV-2586ME Service Manual

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MAIN PWB CIRCUIT DIAGRAM [AV-2586ME, AV-25MX76/G] (3/4)(4/4) SHEET2
!
F901
AC110V-AC240V
!
!
50Hz/60Hz
VA901
R910
!
CN0PW
C910
!
S901
!
LF901
!
CNDEG
!
C901
!
TH901
DEG COIL
!
LF902
!
C902
R901
D901
*
!
Y910
Y911
C904
*
*
!
CN00D
C903
*
C906
*
!
C905
D926
R902
*9
K921
C921
C922
.01
D927
R923
5.6K
IC921
D923
D921
!
R924
*9
D924
C925
X
22/35
C924
D925
.1
D928
X
R927
X
X
CN00D
X
X
R432
R433
Q522
L551
C524
R901
C906
Y910
X
Y911
X
C527
C582
R583
270K
180K
270K
NOTE) 1. Refer to page 2-19 for voltages of this circuit diagram.
C358
C971
2. Refer to page 2-20 for waveforms of this circuit diagram.
!
RY901
D956
C966
*3
100/16
R963
C964
22K
X
Q955
*1
R964
IC971
22K
D957
*3
C973
100/16
IC972
C962
X
!
C991
!
C992
R965
IC975
!
T921
C955
!
K955
CP955
*7
D955
C960
2200/35
C952
!
K952
CP952
*7
R977
C995
C916
X
X
D952
Y952
C957
2200/10
Y953
X
C953
!
K953
CP953
*7
D953
R957
Y955
C980
C958
3.3K
X
47/35
2200/25
C954
!
K954
CP954
*7
R926
D954
C959
C963
!
K951
CP951
L951
D951
C951
C965
C956
X
R951
3.3K
C926
R952
X
X
R953
15K
1.8K
C950
0.1
!
PC901
D950
X
IC951
!
R991
8.2M
!
C993
1000pF
MAIN PWB ASS'Y(3/4)
SCW-1915A-H2 [AV-2586ME]
SCW-1921A-H2 [AV-25MX76/G]
MAIN PWB(1/4)
SHEET1
12V
3.3V_STB
5V
12V
8V
32V
H_DRIVE
P_ON/OFF
PROTECT
D976
R421
*3
10K
5V
Q422
*1
Q421
IC401
*1
R471
270K
R472
10K
R473
68K
3.3V_STB
R474
C428
220K
220/35
C977
C423
47/35
6800p
R438
X
P_ON/OFF
R426
12K
C424
R978
D423
1K
PROTECT
C427
1000/35
D424
*3
D975
C431
D972
0.18/50
*3
R434
6.8K
5V
L421
R430
12K
C967
C994
R440
R431
47/35
3.3/50
X
C430
R432
*
R433
*
C435
IC973
C436
D973
*3
R448
1
R461
82K
D971
*3
Q461
12V
R970
1.8K
8V
D970
!
!
Q522
R524
*
T521
!
R525
R522
X
C523
C524
22
47/35
Q521
R523
R520
C520
100
W-X
.1
H_DRIVE
X
C521
.0033
R521
D520
C522
1K
*3
.022
Y951
BW
W-B
Y957
R962
Y570
32V
D962
X
Y960
W-E
X
Y958
BW
W-D
Y954
X
GND
GND
GND
GND
(No.YA444)2-7
2-8(No.YA444)
IC351
C352
D595
X
4.7/250
D593
X
Q591
X
R594
C593
X
X
D591
D592
R592
Q371
R371
X
X
X
X
R593
Q372
R372
C591
X
C592
X
X
X
Q373
R373
X
X
R591
X
CN10T
R350
X
D371
X
MAIN PWB ASS'Y(4/4)
(CRT SOCKET)
SCW-1915A-H2 [AV-2586ME]
SCW-1921A-H2 [AV-25MX76/G]
CN00U
!
L551
T522
*
!
C555
R533
R554
D555
D554
1.8K
X
C551
R462
R551
C553
D551
C531
1000/25
*9
C554
D552
R552
1000/25
*9
L521
C552
C527
*
Y503
X
C582
*
X
*
Y504
Y966
Y965
X
D523
*9
C529
Y571
Y572
R527
D522
R572
4.7K
W-Y
X
C572
R569
R570
R571
100/16
X
X
R574
C571
18K
Y505
X
Y972
Y502
X
R575
2.2K
Y971
L522
0
Y970
X
Y967
R528
C530
470
GND
GND
CN0HV
!
DEF YOKE
!
!
R358
SK351
R359
R360
SG351
SG353
X
X
SG352
X
!
SK351
X
SCREEN
X
SG354
C358
X
*
R377
X
R375
X
C371
X
Q374
X
R376
D372
X
X
K356
X
Y361
R369
100K
GND
GND
CN10U
R582
120K
C581
R583
D581
*
.1
*9
R581
8.2K
L530
!
D530
*9
R530
C532
10/250
CN00X
X
OPEN
R573
820
CN00B
ADJUSTMENT
CONNECTOR
Q571
Q572
D571
C573
47/35
c21246001a.001.2/2

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