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MAIN PWB CIRCUIT DIAGRAM [AV-21VT34/P] (2/3),(3/3)
!
F901
QMF51E2-4R0J4
CN0PW
QGA7901F1-02
!
!
!
VA901
!
C910
QAF0060-621
QFZ9077-104
!
S901
QSW0750-001
AC110V-AC240V
!
50Hz/60Hz
LF901
QQR0673-004
!
C901
QFZ9077-104
!
!
CNDEG
LF902
QGZ5004C1-02
TH901
QQR1035-002
DEG
QAD0134-4R5
COIL
!
C909
X
!
C902
QFZ9072-473
R901
D901
QRF154K-2R2
GSIB460-S1
!
C904
!
.001
AC400V
QCZ9015-102Z
C903
QCZ9015-102Z
!
C905
QCZ9015-102Z
R902
47K
OMF2
R903
33K
OMF2
K901
QQR1114-001Z
K922
QQR1114-001Z
D
C931
NC
C922
QCZ0364-102
.1
S/GND
MF
R923
.47
VCC
C928
2W
1000P
OLP
D927
1SS133-T2
FB
R921
R924
OCP
100
22K
1/2W
!
IC921
STR-W6756-F5
QUY160-100Y
C921
X
MAIN PWB ASS'Y (2/3)
SCW-1038A-H2 [AV-21VT34/P]
!
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
!
D980
R972
C992
QQR1114-001Z
X
QCZ9079-102
Y972
!
QUY160-075Y
C975
C991
470/16
QCZ9079-102
C955
QCB32HK-471Z
!
R986
R930
X
QRL039J-473
K955
CP955
*7
ICP-N75-Y
C906
CP
QEZ0649-227
!
D955
T921
FSF05A20
C960
QQS0271-001
2200/35
D926
RGP10M-5010-T3
C915
C962
C963
C953
QCZ0122-471
.1
.001
QCB32HK-471Z
!
K953
D953
CP953
*7
*6
ICP-N38-Y
C916
CP
K921
X
QQR1114-001Z
Y951
C954
C958
BW
X
470/25
K954
D954
CP954
Y952
X
X
X
X
CP
K957
C959
C952
X
X
QCB32HK-471Z
Y978
!
K952
CP952
X
C926
*7
ICP-N38-Y
QFLC1HJ-822Z
!
CP
R932
D952
QRZ9017-100
FSF05A20
C957
D936
1000/16
BW
C964
C949
100/35
1000/10
R934
D922
1K
1/2W
1SS133-T2
D929
C940
Y950
*3
QCZ0364-152
X
L951
D928
C917
MA8240/M/-X
QQLZ034-460
QCB32HK-181Z
R933
D951
31DF6N-FC5
D921
*6
C925
C951
C956
QEZ0203-107
22/50
QCZ0364-561
D958
QUY160-100Y
R951
R935
QRE121J-102Y
1.5K
1/2W
R980
X
R952
R950
C911
D961
X
X
X
X
1/2W
R953
D931
1.8K
MA8062/M/-X
1/2W
!
C950
PC901
R954
.1
PS2581AL1/QW/
X
D959
1/2W
X
D910
X
IC951
SE135N
D960
X
!
R955
Q951
R991
X
X
8.2M
Q952
QRZ9046-825Z
X
R959
X
R956
R957
X
C969
X
R958
X
D963
X
X
!
C993
.001
AC400V
QCZ9079-102
NOTE) 1.Refer to page 2-15 for voltages of this circuit diagram.
2.Refer to page 2-16 for waveforms of this circuit diagram.
ABL
PROTECT
STB1
STB
ABL
HFB
HFB
EW
EW
VDRB-
VDRB-
VDRA+
VDRA+
NECK
NECK
P_ON/OFF
PROTECT
VER_PROTECT
3.3V_STB
P_ON/OFF
H_DRIVE
R475
32V
X
12V
VER_PROTECT
5V
IC401
PROTECT
Q471
8V
X
AN15525A
D472
V-OUT
3.3V_STB
*3
THERMAL
PROTECTION
R791
R471
1K
1.5M
1/2W
PUMP
STB1
UP
AMP
A_VCC
Vcc
-Vcc
C471
IC972
BA33BC0T
L972
10/50
D974
R473
QQL244J-5R6Z
X
68K
3.3V_STB
C977
C978
C423
6800p
C976
C428
47/16
47/16
4700p
QEHR1VM-227Z
R437
IC973
X
PQ120RDA1SZ
D422
D423
MTZJ75-T2
R438
X
GP10DE-5009-T2
C427
1000/35
12V
D971
D973
C431
*3
L973
C424
.18
D471
QQL244J-5R6Z
*3
QFLC2AJ-683Z
PROTECT
1SR124-400A-T2
C980
C981
C979
100/16
100/16
R439
R435
100/25
L421
R430
R976
C429
BW
X
12K
390
X
P_ON/OFF
R970
R431
1.8K
1/2W
X
8V
R440
QRG01GJ-221
R452
D977
X
C961
*3
C984
C435
X
33/50
NCF21HZ-334X
C430
C436
QFLC2AJ-563Z
NCF21HZ-334X
IC975
PQ050RDA1SZ
R433
R448
8.2
QRE121J-1R0Y
1/2W
PROTECT
12V
C451
X
R458
D975
*3
X
L975
C452
QQL26AK-820Z
X
L994
5V
0
R462
C989
X
R981
.1
C967
C968
10K
C994
47/16
47/16
3.3/50
R463
X
R962
QRL029J-223
32V
D962
T521
TT2190LS-YB11
R524
MA8330/M/-X
QQR1522-001
QRL039J-470
STB
C523
47/35
A_VCC
Q521
H_DRIVE
R982
R520
C520
2SC2655/Y/-T
X
100
.1
H_DRIVE
C521
R521
.0033
R983
D520
1K
MY
X
*3
Q981
X
QFLC1HJ-223Z
C987
X
R984
D981
X
X
HFB
Q982
R985
C988
X
X
X
P_ON/OFF
Y505
X
Y971
Y570
Y954
QUY160-125Y
Y571
Y961
QUY160-125Y
Y913
Y962
BW
Y953
Y963
BW
QUY160-125Y
GND
GND
GND
GND
(No.YA140)2-11
2-12(No.YA140)
Digitized in Heiloo Netherland
C356
R381
R597
X
R380
D594
X
R596
X
X
Q592
X
R595
D593
X
X
Q591
X
R594
C593
X
X
D591
D592
R592
X
X
X
R593
C591
X
C592
X
X
R591
X
R427
CN10T
6.8K
QJL001-065631
R474
220K
C420
R426
X
12K
R434
6.8K
X
R451
R453
X
1/2W
C453
X
X
C454
R454
X
R457
X
D451
X
X
R456
R455
X
X
C556
X
IC451
C555
R459
X
X
QFLC2AJ-103Z
R554
MY
R555
D555
D554
1.8K
X
X
MA8051/L/-X
R460
X
R461
QCB32HK-561Z
R464
X
X
R551
Q461
QRX029J-R47
X
C553
C531
X
QEHR1EM-108Z
C554
R552
QEHR1EM-108Z
QRX029J-R47
L521
X
C552
QCB32HK-561Z
!
Q522
C527
QFZ0197-124
Y503
X
R522
C582
QFZ0197-124
22
1/2W
Y504
X
D523
*6
C529
R529
R535
!
QETN2EM-475Z
X
X
R527
QRL039J-393
C522
.022
Y501
X
Y502
X
X
L522
X
QQR1005-004
X
X
R528
C530
470
QCB32HK-561Z
1/2W
!
DEF YOKE
7/23/2017
IC351
TDA6107AJF/N1
!
!
X
R354
SK351
150
QNZ0536-001
R358
QRZ0107-152Z
R359
QRZ0107-152Z
R360
QRZ0107-152Z
C352
X
4.7/250
SG351
QAF0006-501
SG352
QAF0006-501
!
R371
Q371
X
X
C359
SG354
R372
X
X
Q372
X
C358
X
QCZ0364-152
R373
X
R377
X
Q373
X
R375
C371
X
X
D371
Q374
X
X
R376
X
D372
X
K355
QQR1113-001Z
MAIN PWB ASS'Y(3/3)
(CRT SOCKET)
R369
120K
R370
SCW-1038A-H2
1/2W
390K
C350
1/2W
X
[AV-21VT34/P]
CN10U
CHGC04-400-G
CN00U
CHGC04-400-G
L551
T522
FBT
!
QQLZ034-280
QQH0188-001
!
R533
QRZ9017-4R7
C551
D551
R582
*6
150K
1/2W
D552
*6
R583
D581
C581
180K
*6
.1
R581
1/2W
8.2K
1/2W
L530
QQL244K-220Z
D530
!
CN00X
*6
R530
C532
QGA2501F1-05
QRZ9017-4R7
10/250
C580
X
ADJUSTMENT
CONNECTOR
R572
QRE121J-222Y
R571
R570
X
R573
X
1K
C572
100/16
C571
QEZ0203-107
Q571
2SA1208/ST/Z1-T
R574
18K
1/2W
D571
MA8075/H/-X
R575
2.2K
C573
R576
47/25
X
Q572
*5
HV
CN0HV
QGZ5004C1-04
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