JVC AV-21VT15 Service Manual page 36

MAIN PWB CIRCUIT DIAGRAM (2/3) ,(3/3)
!
F901
QMF51E2-4R0J4
CN0PW
QGA7901F1-02
!
! ! !
VA901 R910
QAF0060-621 QRZ0107-474Z C910
! QFZ9077-104
S901
QSW0750-001
!
AC110V-AC240V
LF901
QQR0673-004
50Hz/60Hz
!
C901
! QFZ9077-104
CNDEG
LF902
!
QGZ5004C1-02 TH901 QQR1035-002
QAD0134-4R5
!
DEG COIL
C909
X
!
C902
QFZ9072-473
R901
D901
QRF154K-2R2 GSIB460-S1 !
C904
!
.001 AC400V
QCZ9015-102Z
C903
QCZ9015-102Z
R930
QRL039J-473
C906
QEZ0476-227
!
C905
QCZ9015-102Z
R902
47K
OMF2 D926
RGP10M-5010-T3
R903
33K
OMF2
K921
K901 QQR1114-001Z
QQR1114-001Z
K922
QQR1114-001Z
D
C931
NC C922
QCZ0364-102
.1
S/GND
MF R923
C926
.47
C928 QFLC1HJ-822Z
VCC 2W
1000P
OLP
D927
1SS133-T2
FB
R934
R921 R924 1K 1/2W
OCP
100
22K
1/2W
D928
IC921 MA8240/M/-X
!
STR-W6756-F5
R933
QUY160-100Y
C921
X
MAIN PWB ASS'Y (2/3)
SCW-1126A-H2
Note: 1. Refer to page 2-11 for voltages of this circuit diagram.
2. Refer to page 2-12 for waveforms of this circuit diagram.
!
RY901
QSK0061-002
D956
C966
*3
100/16
R963
22K
Q955
*1
R964
47K
D957
IC971 D976
*3 X
X
R971
L971
X
X
C974 C973 C971
X X X
W-H1
IC972
D980 R972 BA33BC0T
D974
!
QQR1114-001Z X
X
C992
QCZ9079-102
Y972
MC
QUY160-075Y
C975
C976
470/16 4700p
C991
QCZ9079-102
IC973
PQ120RDA1SZ
C955
QCB32HK-471Z
!
R986
X
K955 CP955
*7 ICP-N75-Y
CP
!
D955
C979
T921
FMX-G12S C960 100/25
QQS0271-001
2200/35
R970
1.8K
C915 C962 MC C963
QCZ0122-471 C953 .1 .001
QCB32HK-471Z
!
D977
K953 D953 CP953 *3
33/50
*7 *6 ICP-N38-Y
C916 CP
X
Y951
C954 C958 IC975
BW
X
470/25 PQ050RDA1SZ
K954 D954 CP954
X X Y952
X
X
CP
K957 C959
C952
X
X !
QCB32HK-471Z Y978
K952 CP952 X L994
*7 ICP-N38-Y 0
! W-J
C989
CP
R932 .1
D952
C994
QRZ9017-100 FMX-G12S
3.3/50
C957
D936
1000/16
BW
C964 C949
100/35
1000/10
D922
1SS133-T2
D929
C940
*3 Y950
QCZ0364-152
X
C917 L951
QQLZ026-460
QCB32HK-181Z
D951
RU4AM-LFT2
D921
*6
C956
C925 C951
22/50 QCZ0364-561 QEZ0203-107
D958
QUY160-100Y
R951
R935
QRE121J-102Y
1.5K 1/2W
R980
X
R952 R950
D961
C911
X X
X
X 1/2W
R953
D931 1.8K R983
MA8062/M/-X
1/2W
!
MC
C950
PC901 R954 .1
PS2581AL1/QW/ X
D959
1/2W
X
D910
X IC951
SE135N
D960
X
R955
! Q951
X
X Q982
R991 8.2M
Q952
QRZ9046-825Z X
X R959
X
R956 R957
X C969 X
R958
X
D963 X
X
! C993 .001
AC400V
QCZ9079-102
Y913
BW
Y953
BW
Y954
X
Y961
X
Y962
X
Y963
QUY160-125Y
Y971
X
GND GND
ABL
PROTECT
STB1
STB
ABL
HFB
HFB
EW
EW
VDRB-
VDRB-
VDRA+
VDRA+
NECK
NECK
PROTECT
VER_PROTECT 3.3V_STB
P_ON/OFF
H_DRIVE
R475
32V X
12V VER_PROTECT
V.OUT
5V
8V PROTECT Q471
IC401
X
LA78040N
D472
3.3V_STB
*3
THERMAL
R791 PROTECTION
R471
1K 1.5M
1/2W PUMP
STB1
UP AMP
A_VCC
Vcc -Vcc
C471
L972 10/50
R473
QQL244J-5R6Z
3.3V_STB 68K
R427
6.8K
R474
220K
C977 C978
C423 C428
47/16 47/16
MC 6800p
QEHR1VM-227Z
R437
C420
X R426
X 12K
D422
X D423
GP10DE-5009-T2
R438 X
C427
12V 1000/35
D971
C431
D973
*3 L973 C424
.18
QQL244J-5R6Z *3 D471 QFLC2AJ-683Z
PROTECT
1SR124-400A-T2 R434
6.8K
C980 C981
100/16 100/16
L421 R439 R430 R435
R976
C429 X
BW X 12K
390 X
P_ON/OFF R451
X 1/2W
R431
1/2W X
8V
R440
QRG01GJ-221 R452 C454
X
X
C961
C984 C435
X
NCF21HZ-334X
R455
C430 X
C436 QFLC2AJ-563Z
NCF21HZ-334X
R433
R448
12 IC451
QRE121J-1R0Y
1/2W
X
PROTECT 12V
C451
X
R458
D975
*3 X
L975 C452
QQL26AK-820Z X
5V
R462
R470
X X
R981
C967 C968
10K
47/16 47/16
R463
X R461
X
R962
QRL029J-223
32V
Q522
!
D962 T521 TT2190LS-YB11
R524
MA8330/M/-X
QQR1522-001
QRL039J-470
STB
R522
C523
22
47/35
1/2W
A_VCC
Q521
H_DRIVE
R982 R520 C520
2SC2655/Y/-T
X 100 .1
H_DRIVE
C521
R521 .0033
D520 C522
1K
MY .022
X *3
Q981
X
QFLC1HJ-223Z
C987
X
D981
R984
X
X
HFB
R985
C988
X
X
P_ON/OFF
Y505
X
Y570
QUY160-125Y
Y571
QUY160-125Y
GND
GND
(No.YA254)2-7 2-8(No.YA254)
IC351
TDA6107AJF/N1
CH
C352
R597 4.7/250
X
D594
R596
X
X Q592
X
R595
D593
X
X
Q591
X
R594
C593
X
X
Q372
X
D591 D592
R592
X X
X
R593
C591 X C592
Q373
X
X
X
R591 D371
X
CN10T
QJL001-065631
R453
C453
X
X
R454
R457
X D451
X X
R456 L551
X
QQLZ026-240
C556
X !
C555
R459 R533
X QFLC2AJ-103Z QRZ9017-4R7
R554 MY
R555
1.8K D555
D554
X X
MA8051/L/-X
R460
X C551
R464 QCB32HK-561Z
X
Q461 R551
D
X
QRX029J-R47
G C553 D551
C531
S
X QEHR1EM-108Z *6
C554 D552
R552
QEHR1EM-108Z QRX029J-R47 *6
L521
X
C552
QCB32HK-561Z
C527
X
Y503 X C582
QFZ0197-184
! Y504 X
D523
*6
C529 R529 R535
R570
QETN2EM-475Z
X X X
R527
QRL039J-393
QEZ0203-107
Y501 X
Y502 X
L522
QQR1005-004
R528
C530
470
QCB32HK-561Z
1/2W
HV
CN0HV
QGZ5004C1-04
!
DEF YOKE
!
!
SK351
QNZ0536-001
R358
QRZ0107-152Z
R359
QRZ0107-152Z
R360
QRZ0107-152Z
SG351 SG353
X X
SG352
X
SK351
!
QNZ0536-001
R371
Q371 X
X
C359 SG354
R372 X X
X
C358
QCZ0364-152
R373
X
R377
X
R375
C371
X
X
Q374
X X
R376
X
D372
X
MAIN PWB ASS'Y (3/3)
K355
QQR1113-001Z
(CRT SOCKET)
SCW-1126A-H2
R369 R370
100K X
1/2W 1/2W
C350
X
CN10U
CHGC004-400-G
CN00U
CHGC004-400-G
! T522 FBT
QQH0188-001
R582
150K
1/2W
D581 C581 R583
180K
.1
*6 R581
1/2W
8.2K
1/2W
L530
QQL244K-220Z
D530 !
R530
*6 CN00X
QRZ9017-4R7
C532
QGA2501F1-05
10/250
C580
X
ADJUSTMENT
CONNECTOR
R572
QRE121J-222Y
R571
X R573
C572 1K
100/16
C571
Q571
2SA1208/ST/Z1-T
R574
18K
1/2W D571
MA8075/H/-X
R575
2.2K C573
R576
47/25
X
Q572
*5