JVC AV-48WP74 Service Manual page 70

POWER & DEF PWB CIRCUIT DIAGRAM(1/2) SHEET19
CN00B
LINE FILTER PWB
QGA7901C1-02
SHEET 21
B
D
CN00D
OPEN
PIN NO. VOLTAGE ( V )
IC911
1 1.5
2 0
3 143.7
4 17.7
5 0
IC921
1 141.1
2 11.7
3 0
PC921
1 12.7
2 11.7
3 1.5
4 16.2
Q951
E 0
C 0
B 0.6
Q952
E 0
C 0.1
B 0.6
Q953
E 6.7
C 11.6
B 6.7
Q954
E 0
C 0
B 0.5
Q971
E 141.0
C 0
B 140.8
2-42
Y904
BW
Y903
BW
C901
OPEN LF901
OPEN
Y901
OPEN
Y902
OPEN
R903
.51 15W
QRF154K-R51
H911
LC31211-001A
!
IC911 D910
STR-F6629B/F7 MA700A-T2
R908
OPEN
D919
Q911
OPEN
OPEN
GND3
MTZJ5.1B-T2
POWER & DEF PWB
SSB-2068A-M2
Y908
Y905
Y907
Y906
!
C902
.1 125V
QFZ9072-104
R901
.51 15W
QRF154K-R51
C903
!
OPEN
C905
AC250V .001
QCZ9054-102
LC30171-001A
! C904
.001
D911
QCZ9054-102
RGP10J-5025-T3 Y914
OPEN
C907
!
1200
R911
18k
R
2WOM
QEZ0572-128
GND3
C914
R990
220 /50
OPEN 400V
QFP32GJ-103Z
GND3
R991
C920
OPEN
150P
QCZ0122-151
D975
R992
OPEN
OPEN
BW
GND3 GND3
K917
D916
1SS133-T2
K916
R913
2WMFR
BW
.18
K912
QQR0582-001Z
R914
R916
R912
680
C913 .22
.18
1/2W* 470p
2WMFR
MY,5% 2WMFR
QRK126J-681X
D917
MTZJ27B-T2
GND3
R909
OPEN
D914
1SS133-T2
R910
1.5k
1/2W*
D918
GND3
GND3
No.52105
T921-9 T921-12
[H]
60Vp-p 60Vp-p
!
OPEN
.0047
C998
QCZ9074-472
BW
C993
.0047
AC250V
!
QCZ9074-472
OPEN
GND1
BW
C994 .0047 ! C997
!
QCZ9074-472
QCZ9074-472
AC250V
.0047 AC250V
!
RY951
QSK0118-001
2SC1627A/Y/-T
!
C906
AC250V
.001
QCZ9054-102
QQR0621-002Z
!
D901
RBV-606
!
C908
.001 AC250V
AC250V
QCZ9054-102
!
F905
QMFZ034-5R0Z-J1
R921 OPEN
!
T921
C919
.01
R920 QQS0133-001
680k
*
1/2W
R902
Y915
47 1WMFR
OPEN
QRG01GJ-470
C921
K920
OPEN
OPEN
D915
SARS01-T2
Y910
BW
Y911
C912
2K V
.0033 BW
QCZ0340-332
K914
QQR0582-001Z
GND3
Y916
OPEN
OPEN
!
FR915
33 1/2W
QRZ9017-330
D912 GND3
AU01Z-T2
R918
1.5k C910
1/2W *
OPEN
D913
AU01Z-T2
C917
C916
330p
1800P
5%
MY,5%
GND3
D920
1SS133-T2
R917
!
3.3k 1/2W*
PC921
QRK126J-332X
PC123FY2
C918
.1
QFV71HJ-104Z
Y909
!
OPEN
C999
QCZ9074-472
.0047
AC250V
!
R999
QCZ9074-472
6.8M
QRZ0111-685
Y2W
GND3
GND1
AV-48WP74
AV-56WP74
T921-14 T921-15
[H] [H]
60Vp-p 24Vp-p
AC250V
C952
1SS
OPEN
D952
MTZJ12C-T2
GND1
Q951
R95
R951
2.2k
47k
GND1
C941
GND1
OPEN
D935
K935 RU3YX-LFC4
F933
OPEN
Y939
X
H938
BW
C935
2200 /35
QETM1VM-228
K937
QQR0621-002Z
H940
D
CEHT11B-002Q S
FMX
Y935
OPEN
C939 OPE
K933
BW
D937
EU2-T3
C936
OPEN
K936
BW
D932
RU30A-F
K
Y955
BW
OPEN
K93
GND1
BW
C930
180p
5%
K930
QQR0621-002Z
Y952
GND1
OPEN
Y951
OPEN
RY952
!
QSK0083-001
QSK0084-001
D956
1SS133-T2
R944
2.2k
D933 R959
*
120 1/2W
1/2W
BW
Q952
R960
2SC3311A/QR/-T
47k
GND1
!
C995 .0047
AC250V
!